diff --git a/3d-viewer/3d_cache/3d_cache.cpp b/3d-viewer/3d_cache/3d_cache.cpp
index eac12c1229..6cecebdd75 100644
--- a/3d-viewer/3d_cache/3d_cache.cpp
+++ b/3d-viewer/3d_cache/3d_cache.cpp
@@ -165,7 +165,7 @@ void S3D_CACHE_ENTRY::SetSHA1( const unsigned char* aSHA1Sum )
 {
     if( nullptr == aSHA1Sum )
     {
-        wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [BUG] NULL passed for aSHA1Sum",
+        wxLogTrace( MASK_3D_CACHE, wxT( "%s:%s:%d\n * [BUG] NULL passed for aSHA1Sum" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return;
@@ -221,7 +221,7 @@ SCENEGRAPH* S3D_CACHE::load( const wxString& aModelFile, S3D_CACHE_ENTRY** aCach
     if( full3Dpath.empty() )
     {
         // the model cannot be found; we cannot proceed
-        wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [3D model] could not find model '%s'\n",
+        wxLogTrace( MASK_3D_CACHE, wxT( "%s:%s:%d\n * [3D model] could not find model '%s'\n" ),
                     __FILE__, __FUNCTION__, __LINE__, aModelFile );
         return nullptr;
     }
@@ -307,7 +307,8 @@ SCENEGRAPH* S3D_CACHE::checkCache( const wxString& aFileName, S3D_CACHE_ENTRY**
         if( m_CacheMap.insert( std::pair< wxString, S3D_CACHE_ENTRY* >
             ( aFileName, ep ) ).second == false )
         {
-            wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [BUG] duplicate entry in map file; key = '%s'",
+            wxLogTrace( MASK_3D_CACHE,
+                        wxT( "%s:%s:%d\n * [BUG] duplicate entry in map file; key = '%s'" ),
                         __FILE__, __FUNCTION__, __LINE__, aFileName );
 
             m_CacheList.pop_back();
@@ -325,7 +326,8 @@ SCENEGRAPH* S3D_CACHE::checkCache( const wxString& aFileName, S3D_CACHE_ENTRY**
     if( m_CacheMap.insert( std::pair< wxString, S3D_CACHE_ENTRY* >
                                ( aFileName, ep ) ).second == false )
     {
-        wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [BUG] duplicate entry in map file; key = '%s'",
+        wxLogTrace( MASK_3D_CACHE,
+                    wxT( "%s:%s:%d\n * [BUG] duplicate entry in map file; key = '%s'" ),
                     __FILE__, __FUNCTION__, __LINE__, aFileName );
 
         m_CacheList.pop_back();
@@ -358,7 +360,7 @@ bool S3D_CACHE::getSHA1( const wxString& aFileName, unsigned char* aSHA1Sum )
 {
     if( aFileName.empty() )
     {
-        wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * [BUG] empty filename",
+        wxLogTrace( MASK_3D_CACHE, wxT( "%s:%s:%d\n * [BUG] empty filename" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
@@ -366,7 +368,7 @@ bool S3D_CACHE::getSHA1( const wxString& aFileName, unsigned char* aSHA1Sum )
 
     if( nullptr == aSHA1Sum )
     {
-        wxLogTrace( MASK_3D_CACHE, "%s\n * [BUG] NULL pointer passed for aMD5Sum",
+        wxLogTrace( MASK_3D_CACHE, wxT( "%s\n * [BUG] NULL pointer passed for aMD5Sum" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
@@ -417,7 +419,7 @@ bool S3D_CACHE::loadCacheData( S3D_CACHE_ENTRY* aCacheItem )
     if( bname.empty() )
     {
         wxLogTrace( MASK_3D_CACHE,
-                    " * [3D model] cannot load cached model; no file hash available" );
+                    wxT( " * [3D model] cannot load cached model; no file hash available" ) );
 
         return false;
     }
@@ -425,7 +427,7 @@ bool S3D_CACHE::loadCacheData( S3D_CACHE_ENTRY* aCacheItem )
     if( m_CacheDir.empty() )
     {
         wxLogTrace( MASK_3D_CACHE,
-                    " * [3D model] cannot load cached model; config directory unknown" );
+                    wxT( " * [3D model] cannot load cached model; config directory unknown" ) );
 
         return false;
     }
@@ -434,8 +436,7 @@ bool S3D_CACHE::loadCacheData( S3D_CACHE_ENTRY* aCacheItem )
 
     if( !wxFileName::FileExists( fname ) )
     {
-        wxString errmsg = "cannot open file";
-        wxLogTrace( MASK_3D_CACHE, " * [3D model] %s '%s'", errmsg.GetData(), fname.GetData() );
+        wxLogTrace( MASK_3D_CACHE, wxT( " * [3D model] cannot open file '%s'" ), fname.GetData() );
         return false;
     }
 
@@ -455,7 +456,7 @@ bool S3D_CACHE::saveCacheData( S3D_CACHE_ENTRY* aCacheItem )
 {
     if( nullptr == aCacheItem )
     {
-        wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * NULL passed for aCacheItem",
+        wxLogTrace( MASK_3D_CACHE, wxT( "%s:%s:%d\n * NULL passed for aCacheItem" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
@@ -463,7 +464,7 @@ bool S3D_CACHE::saveCacheData( S3D_CACHE_ENTRY* aCacheItem )
 
     if( nullptr == aCacheItem->sceneData )
     {
-        wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * aCacheItem has no valid scene data",
+        wxLogTrace( MASK_3D_CACHE, wxT( "%s:%s:%d\n * aCacheItem has no valid scene data" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
@@ -474,7 +475,7 @@ bool S3D_CACHE::saveCacheData( S3D_CACHE_ENTRY* aCacheItem )
     if( bname.empty() )
     {
         wxLogTrace( MASK_3D_CACHE,
-                    " * [3D model] cannot load cached model; no file hash available" );
+                    wxT( " * [3D model] cannot load cached model; no file hash available" ) );
 
         return false;
     }
@@ -482,7 +483,7 @@ bool S3D_CACHE::saveCacheData( S3D_CACHE_ENTRY* aCacheItem )
     if( m_CacheDir.empty() )
     {
         wxLogTrace( MASK_3D_CACHE,
-                    " * [3D model] cannot load cached model; config directory unknown" );
+                    wxT( " * [3D model] cannot load cached model; config directory unknown" ) );
 
         return false;
     }
@@ -493,8 +494,8 @@ bool S3D_CACHE::saveCacheData( S3D_CACHE_ENTRY* aCacheItem )
     {
         if( !wxFileName::FileExists( fname ) )
         {
-            wxLogTrace( MASK_3D_CACHE, " * [3D model] path exists but is not a regular file '%s'",
-                        fname );
+            wxLogTrace( MASK_3D_CACHE,
+                        wxT( " * [3D model] path exists but is not a regular file '%s'" ), fname );
 
             return false;
         }
@@ -510,7 +511,7 @@ bool S3D_CACHE::Set3DConfigDir( const wxString& aConfigDir )
     if( !m_ConfigDir.empty() )
         return false;
 
-    wxFileName cfgdir( ExpandEnvVarSubstitutions( aConfigDir, m_project ), "" );
+    wxFileName cfgdir( ExpandEnvVarSubstitutions( aConfigDir, m_project ), wxEmptyString );
 
     cfgdir.Normalize();
 
@@ -521,7 +522,7 @@ bool S3D_CACHE::Set3DConfigDir( const wxString& aConfigDir )
         if( !cfgdir.DirExists() )
         {
             wxLogTrace( MASK_3D_CACHE,
-                        "%s:%s:%d\n * failed to create 3D configuration directory '%s'",
+                        wxT( "%s:%s:%d\n * failed to create 3D configuration directory '%s'" ),
                         __FILE__, __FUNCTION__, __LINE__, cfgdir.GetPath() );
 
             return false;
@@ -534,8 +535,8 @@ bool S3D_CACHE::Set3DConfigDir( const wxString& aConfigDir )
     if( !m_FNResolver->Set3DConfigDir( m_ConfigDir ) )
     {
         wxLogTrace( MASK_3D_CACHE,
-                    "%s:%s:%d\n * could not set 3D Config Directory on filename resolver\n"
-                    " * config directory: '%s'",
+                    wxT( "%s:%s:%d\n * could not set 3D Config Directory on filename resolver\n"
+                    " * config directory: '%s'" ),
                     __FILE__, __FUNCTION__, __LINE__, m_ConfigDir );
     }
 
@@ -548,7 +549,7 @@ bool S3D_CACHE::Set3DConfigDir( const wxString& aConfigDir )
     // 3. MSWin: AppData\Local\kicad\3d
     wxFileName cacheDir;
     cacheDir.AssignDir( PATHS::GetUserCachePath() );
-    cacheDir.AppendDir( "3d" );
+    cacheDir.AppendDir( wxT( "3d" ) );
 
     if( !cacheDir.DirExists() )
     {
@@ -556,7 +557,8 @@ bool S3D_CACHE::Set3DConfigDir( const wxString& aConfigDir )
 
         if( !cacheDir.DirExists() )
         {
-            wxLogTrace( MASK_3D_CACHE, "%s:%s:%d\n * failed to create 3D cache directory '%s'",
+            wxLogTrace( MASK_3D_CACHE,
+                        wxT( "%s:%s:%d\n * failed to create 3D cache directory '%s'" ),
                         __FILE__, __FUNCTION__, __LINE__, cacheDir.GetPath() );
 
             return false;
@@ -651,7 +653,7 @@ S3DMODEL* S3D_CACHE::GetModel( const wxString& aModelFileName )
     if( !cp )
     {
         wxLogTrace( MASK_3D_CACHE,
-                    "%s:%s:%d\n  * [BUG] model loaded with no associated S3D_CACHE_ENTRY",
+                    wxT( "%s:%s:%d\n  * [BUG] model loaded with no associated S3D_CACHE_ENTRY" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return nullptr;
diff --git a/3d-viewer/3d_cache/3d_plugin_manager.cpp b/3d-viewer/3d_cache/3d_plugin_manager.cpp
index cf9def2a29..b335d18830 100644
--- a/3d-viewer/3d_cache/3d_plugin_manager.cpp
+++ b/3d-viewer/3d_cache/3d_plugin_manager.cpp
@@ -65,11 +65,11 @@ S3D_PLUGIN_MANAGER::S3D_PLUGIN_MANAGER()
     {
         std::multimap< const wxString, KICAD_PLUGIN_LDR_3D* >::const_iterator sM = m_ExtMap.begin();
         std::multimap< const wxString, KICAD_PLUGIN_LDR_3D* >::const_iterator eM = m_ExtMap.end();
-        wxLogTrace( MASK_3D_PLUGINMGR, " * Extension [plugin name]:\n" );
+        wxLogTrace( MASK_3D_PLUGINMGR, wxT( " * Extension [plugin name]:\n" ) );
 
         while( sM != eM )
         {
-            wxLogTrace( MASK_3D_PLUGINMGR, "   + '%s' [%s]\n", sM->first.GetData(),
+            wxLogTrace( MASK_3D_PLUGINMGR, wxT( "   + '%s' [%s]\n" ), sM->first.GetData(),
                         sM->second->GetKicadPluginName() );
             ++sM;
         }
@@ -77,7 +77,7 @@ S3D_PLUGIN_MANAGER::S3D_PLUGIN_MANAGER()
     }
     else
     {
-        wxLogTrace( MASK_3D_PLUGINMGR, " * No plugins available\n" );
+        wxLogTrace( MASK_3D_PLUGINMGR, wxT( " * No plugins available\n" ) );
     }
 
 
@@ -86,17 +86,17 @@ S3D_PLUGIN_MANAGER::S3D_PLUGIN_MANAGER()
         /// list of file filters
         std::list< wxString >::const_iterator sFF = m_FileFilters.begin();
         std::list< wxString >::const_iterator eFF = m_FileFilters.end();
-        wxLogTrace( MASK_3D_PLUGINMGR, " * File filters:\n" );
+        wxLogTrace( MASK_3D_PLUGINMGR, wxT( " * File filters:\n" ) );
 
         while( sFF != eFF )
         {
-            wxLogTrace( MASK_3D_PLUGINMGR, " + '%s'\n", (*sFF).GetData() );
+            wxLogTrace( MASK_3D_PLUGINMGR, wxT( " + '%s'\n" ), (*sFF).GetData() );
             ++sFF;
         }
     }
     else
     {
-        wxLogTrace( MASK_3D_PLUGINMGR, " * No file filters available\n" );
+        wxLogTrace( MASK_3D_PLUGINMGR, wxT( " * No file filters available\n" ) );
     }
 #endif  // DEBUG
 }
@@ -178,7 +178,7 @@ void S3D_PLUGIN_MANAGER::loadPlugins( void )
 
     while( sPL != ePL )
     {
-        wxLogTrace( MASK_3D_PLUGINMGR, "%s:%s:%d  * [DEBUG] searching path: '%s'",
+        wxLogTrace( MASK_3D_PLUGINMGR, wxT( "%s:%s:%d  * [DEBUG] searching path: '%s'" ),
                     __FILE__, __FUNCTION__, __LINE__, (*sPL).ToUTF8() );
 
         listPlugins( *sPL, pluginlist );
@@ -197,13 +197,13 @@ void S3D_PLUGIN_MANAGER::loadPlugins( void )
 
         if( pp->Open( sPL->ToUTF8() ) )
         {
-            wxLogTrace( MASK_3D_PLUGINMGR, "%s:%s:%d * [DEBUG] adding plugin",
+            wxLogTrace( MASK_3D_PLUGINMGR, wxT( "%s:%s:%d * [DEBUG] adding plugin" ),
                         __FILE__, __FUNCTION__, __LINE__ );
 
             m_Plugins.push_back( pp );
             int nf = pp->GetNFilters();
 
-            wxLogTrace( MASK_3D_PLUGINMGR, "%s:%s:%d * [DEBUG] adding %d filters",
+            wxLogTrace( MASK_3D_PLUGINMGR, wxT( "%s:%s:%d * [DEBUG] adding %d filters" ),
                         __FILE__, __FUNCTION__, __LINE__, nf );
 
             for( int i = 0; i < nf; ++i )
@@ -221,7 +221,7 @@ void S3D_PLUGIN_MANAGER::loadPlugins( void )
         }
         else
         {
-            wxLogTrace( MASK_3D_PLUGINMGR, "%s:%s:%d * [DEBUG] deleting plugin",
+            wxLogTrace( MASK_3D_PLUGINMGR, wxT( "%s:%s:%d * [DEBUG] deleting plugin" ),
                         __FILE__, __FUNCTION__, __LINE__ );
 
             delete pp;
@@ -230,7 +230,7 @@ void S3D_PLUGIN_MANAGER::loadPlugins( void )
         ++sPL;
     }
 
-    wxLogTrace( MASK_3D_PLUGINMGR, "%s:%s:%d * [DEBUG] plugins loaded",
+    wxLogTrace( MASK_3D_PLUGINMGR, wxT( "%s:%s:%d * [DEBUG] plugins loaded" ),
                 __FILE__, __FUNCTION__, __LINE__ );
 }
 
@@ -305,7 +305,7 @@ void S3D_PLUGIN_MANAGER::checkPluginName( const wxString& aPath,
 
     aPluginList.push_back( wxpath );
 
-    wxLogTrace( MASK_3D_PLUGINMGR, " * [INFO] found 3D plugin '%s'\n", wxpath.GetData() );
+    wxLogTrace( MASK_3D_PLUGINMGR, wxT( " * [INFO] found 3D plugin '%s'\n" ), wxpath.GetData() );
 }
 
 
@@ -316,12 +316,13 @@ void S3D_PLUGIN_MANAGER::checkPluginPath( const wxString& aPath,
     if( aPath.empty() )
         return;
 
-    wxLogTrace( MASK_3D_PLUGINMGR, " * [INFO] checking for 3D plugins in '%s'\n", aPath.GetData() );
+    wxLogTrace( MASK_3D_PLUGINMGR, wxT( " * [INFO] checking for 3D plugins in '%s'\n" ),
+                aPath.GetData() );
 
     wxFileName path;
 
-    if( aPath.StartsWith( "${" ) || aPath.StartsWith( "$(" ) )
-        path.Assign( ExpandEnvVarSubstitutions( aPath, nullptr ), "" );
+    if( aPath.StartsWith( wxT( "${" ) ) || aPath.StartsWith( wxT( "$(" ) ) )
+        path.Assign( ExpandEnvVarSubstitutions( aPath, nullptr ), wxEmptyString );
     else
         path.Assign( aPath, "" );
 
@@ -377,7 +378,7 @@ void S3D_PLUGIN_MANAGER::addExtensionMap( KICAD_PLUGIN_LDR_3D* aPlugin )
 
     int nExt = aPlugin->GetNExtensions();
 
-    wxLogTrace( MASK_3D_PLUGINMGR, "%s:%s:%d * [INFO] adding %d extensions",
+    wxLogTrace( MASK_3D_PLUGINMGR, wxT( "%s:%s:%d * [INFO] adding %d extensions" ),
                 __FILE__, __FUNCTION__, __LINE__, nExt );
 
     for( int i = 0; i < nExt; ++i )
@@ -415,10 +416,10 @@ SCENEGRAPH* S3D_PLUGIN_MANAGER::Load3DModel( const wxString& aFileName, std::str
 #endif
 
     // .gz files are compressed versions that may have additional information in the previous extension
-    if( ext_to_find == "gz" )
+    if( ext_to_find == wxT( "gz" ) )
     {
         wxFileName second( raw.GetName() );
-        ext_to_find = second.GetExt() + ".gz";
+        ext_to_find = second.GetExt() + wxT( ".gz" );
     }
 
     std::pair < std::multimap< const wxString, KICAD_PLUGIN_LDR_3D* >::iterator,
@@ -452,7 +453,7 @@ void S3D_PLUGIN_MANAGER::ClosePlugins( void )
     std::list< KICAD_PLUGIN_LDR_3D* >::iterator sP = m_Plugins.begin();
     std::list< KICAD_PLUGIN_LDR_3D* >::iterator eP = m_Plugins.end();
 
-    wxLogTrace( MASK_3D_PLUGINMGR, "%s:%s:%d * [INFO] closing %d extensions",
+    wxLogTrace( MASK_3D_PLUGINMGR, wxT( "%s:%s:%d * [INFO] closing %d extensions" ),
                 __FILE__, __FUNCTION__, __LINE__, static_cast<int>( m_Plugins.size() ) );
 
     while( sP != eP )
diff --git a/3d-viewer/3d_cache/sg/ifsg_api.cpp b/3d-viewer/3d_cache/sg/ifsg_api.cpp
index 617a2f65ba..4c52920086 100644
--- a/3d-viewer/3d_cache/sg/ifsg_api.cpp
+++ b/3d-viewer/3d_cache/sg/ifsg_api.cpp
@@ -98,7 +98,7 @@ bool S3D::WriteVRML( const char* filename, bool overwrite, SGNODE* aTopNode,
 
     if( op.fail() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d  * [INFO] failed to open file '%s'",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d  * [INFO] failed to open file '%s'" ),
                     __FILE__, __FUNCTION__, __LINE__, filename );
 
         return false;
@@ -123,7 +123,7 @@ bool S3D::WriteVRML( const char* filename, bool overwrite, SGNODE* aTopNode,
 
     CLOSE_STREAM( op );
 
-    wxLogTrace( MASK_3D_SG, "%s:%s:%d  * [INFO] problems encountered writing file '%s'",
+    wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d  * [INFO] problems encountered writing file '%s'" ),
                 __FILE__, __FUNCTION__, __LINE__, filename );
 
     return false;
@@ -168,7 +168,7 @@ bool S3D::WriteCache( const char* aFileName, bool overwrite, SGNODE* aNode,
     {
         if( !overwrite )
         {
-            wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] file exists not overwriting '%s'",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] file exists not overwriting '%s'" ),
                         __FILE__, __FUNCTION__, __LINE__, aFileName );
 
             return false;
@@ -177,7 +177,7 @@ bool S3D::WriteCache( const char* aFileName, bool overwrite, SGNODE* aNode,
         // make sure we make no attempt to write a directory
         if( !wxFileName::FileExists( aFileName ) )
         {
-            wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] specified path is a directory '%s'",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] specified path is a directory '%s'" ),
                         __FILE__, __FUNCTION__, __LINE__, aFileName );
 
             return false;
@@ -188,7 +188,7 @@ bool S3D::WriteCache( const char* aFileName, bool overwrite, SGNODE* aNode,
 
     if( output.fail() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] failed to open file '%s'",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] failed to open file '%s'" ),
                     __FILE__, __FUNCTION__, __LINE__, aFileName );
 
         return false;
@@ -206,7 +206,8 @@ bool S3D::WriteCache( const char* aFileName, bool overwrite, SGNODE* aNode,
 
     if( !rval )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] problems encountered writing cache file '%s'",
+        wxLogTrace( MASK_3D_SG,
+                    wxT( "%s:%s:%d * [INFO] problems encountered writing cache file '%s'" ),
                     __FILE__, __FUNCTION__, __LINE__, aFileName );
 
         // delete the defective file
@@ -227,7 +228,7 @@ SGNODE* S3D::ReadCache( const char* aFileName, void* aPluginMgr,
 
     if( !wxFileName::FileExists( aFileName ) )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] no such file '%s'",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] no such file '%s'" ),
                     __FILE__, __FUNCTION__, __LINE__, aFileName );
 
         return nullptr;
@@ -239,7 +240,7 @@ SGNODE* S3D::ReadCache( const char* aFileName, void* aPluginMgr,
 
     if( file.fail() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] failed to open file '%s'",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] failed to open file '%s'" ),
                     __FILE__, __FUNCTION__, __LINE__, aFileName );
 
         return nullptr;
@@ -255,9 +256,10 @@ SGNODE* S3D::ReadCache( const char* aFileName, void* aPluginMgr,
 
         if( '(' != schar )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; missing left parenthesis at position '%d'",
-                        __FILE__, __FUNCTION__, __LINE__, static_cast<int>( file.tellg() ) );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; missing left parenthesis"
+                                         " at position '%d'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        static_cast<int>( file.tellg() ) );
 
             CLOSE_STREAM( file );
             return nullptr;
@@ -289,9 +291,10 @@ SGNODE* S3D::ReadCache( const char* aFileName, void* aPluginMgr,
 
         if( '(' != schar )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; missing left parenthesis at position '%d'",
-                        __FILE__, __FUNCTION__, __LINE__, static_cast<int>( file.tellg() ) );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; missing left parenthesis"
+                                         " at position '%d'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        static_cast<int>( file.tellg() ) );
 
             CLOSE_STREAM( file );
             return nullptr;
diff --git a/3d-viewer/3d_cache/sg/ifsg_appearance.cpp b/3d-viewer/3d_cache/sg/ifsg_appearance.cpp
index 947b0a3922..890712b619 100644
--- a/3d-viewer/3d_cache/sg/ifsg_appearance.cpp
+++ b/3d-viewer/3d_cache/sg/ifsg_appearance.cpp
@@ -56,7 +56,8 @@ IFSG_APPEARANCE::IFSG_APPEARANCE( SGNODE* aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -72,7 +73,8 @@ IFSG_APPEARANCE::IFSG_APPEARANCE( IFSG_NODE& aParent )
 #ifdef DEBUG
     if( ! pp )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, BadParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    BadParent );
     }
 #endif
 
@@ -83,7 +85,8 @@ IFSG_APPEARANCE::IFSG_APPEARANCE( IFSG_NODE& aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -123,7 +126,8 @@ bool IFSG_APPEARANCE::NewNode( SGNODE* aParent )
 
     if( aParent != m_node->GetParent() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d  * [BUG] invalid SGNODE parent (%s) to SGAPPEARANCE",
+        wxLogTrace( MASK_3D_SG,
+                    wxT( "%s:%s:%d  * [BUG] invalid SGNODE parent (%s) to SGAPPEARANCE" ),
                     __FILE__, __FUNCTION__, __LINE__,
                     aParent->GetNodeTypeName( aParent->GetNodeType() ) );
 
@@ -250,7 +254,7 @@ bool IFSG_APPEARANCE::SetShininess( float aShininess ) noexcept
 
     if( aShininess < 0 || aShininess > 1.0 )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d  * [BUG] shininess out of range [0..1]",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d  * [BUG] shininess out of range [0..1]" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
@@ -268,7 +272,7 @@ bool IFSG_APPEARANCE::SetTransparency( float aTransparency ) noexcept
 
     if( aTransparency < 0 || aTransparency > 1.0 )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] transparency out of range [0..1]",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] transparency out of range [0..1]" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
diff --git a/3d-viewer/3d_cache/sg/ifsg_colors.cpp b/3d-viewer/3d_cache/sg/ifsg_colors.cpp
index 1575ecb228..18cad10e52 100644
--- a/3d-viewer/3d_cache/sg/ifsg_colors.cpp
+++ b/3d-viewer/3d_cache/sg/ifsg_colors.cpp
@@ -56,7 +56,7 @@ IFSG_COLORS::IFSG_COLORS( SGNODE* aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d", __FILE__, __FUNCTION__, __LINE__ );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d" ), __FILE__, __FUNCTION__, __LINE__ );
 
         return;
     }
@@ -73,7 +73,8 @@ IFSG_COLORS::IFSG_COLORS( IFSG_NODE& aParent )
     // Braces needed due to dangling else warning from wxLogTrace macro
     if( !pp )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, BadParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    BadParent );
     }
 #endif
 
@@ -84,7 +85,7 @@ IFSG_COLORS::IFSG_COLORS( IFSG_NODE& aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__,
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
                     WrongParent );
 
         return;
@@ -125,7 +126,7 @@ bool IFSG_COLORS::NewNode( SGNODE* aParent )
 
     if( aParent != m_node->GetParent() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d  * [BUG] invalid SGNODE parent (%s) to SGCOLORS",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d  * [BUG] invalid SGNODE parent (%s) to SGCOLORS" ),
                     __FILE__, __FUNCTION__, __LINE__,
                     aParent->GetNodeTypeName( aParent->GetNodeType() ) );
 
diff --git a/3d-viewer/3d_cache/sg/ifsg_coordindex.cpp b/3d-viewer/3d_cache/sg/ifsg_coordindex.cpp
index 3106537152..8164b7a07a 100644
--- a/3d-viewer/3d_cache/sg/ifsg_coordindex.cpp
+++ b/3d-viewer/3d_cache/sg/ifsg_coordindex.cpp
@@ -57,7 +57,8 @@ IFSG_COORDINDEX::IFSG_COORDINDEX( SGNODE* aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -72,7 +73,8 @@ IFSG_COORDINDEX::IFSG_COORDINDEX( IFSG_NODE& aParent )
 
     if( !pp )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, BadParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    BadParent );
 
         return;
     }
@@ -81,7 +83,8 @@ IFSG_COORDINDEX::IFSG_COORDINDEX( IFSG_NODE& aParent )
 
     if( !m_node->SetParent( pp ) )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         delete m_node;
         m_node = nullptr;
@@ -123,7 +126,8 @@ bool IFSG_COORDINDEX::NewNode( SGNODE* aParent )
 
     if( aParent != m_node->GetParent() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGCOORDINDEX",
+        wxLogTrace( MASK_3D_SG,
+                    wxT( "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGCOORDINDEX" ),
                     __FILE__, __FUNCTION__, __LINE__,
                     aParent->GetNodeTypeName( aParent->GetNodeType() ) );
 
diff --git a/3d-viewer/3d_cache/sg/ifsg_coords.cpp b/3d-viewer/3d_cache/sg/ifsg_coords.cpp
index 3a917f1bb5..7de8fa4425 100644
--- a/3d-viewer/3d_cache/sg/ifsg_coords.cpp
+++ b/3d-viewer/3d_cache/sg/ifsg_coords.cpp
@@ -56,7 +56,8 @@ IFSG_COORDS::IFSG_COORDS( SGNODE* aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -72,7 +73,8 @@ IFSG_COORDS::IFSG_COORDS( IFSG_NODE& aParent )
 #ifdef DEBUG
     if( !pp )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, BadParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    BadParent );
     }
 #endif
 
@@ -83,7 +85,8 @@ IFSG_COORDS::IFSG_COORDS( IFSG_NODE& aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -123,7 +126,7 @@ bool IFSG_COORDS::NewNode( SGNODE* aParent )
 
     if( aParent != m_node->GetParent() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGCOORDS",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGCOORDS" ),
                     __FILE__, __FUNCTION__, __LINE__,
                     aParent->GetNodeTypeName( aParent->GetNodeType() ) );
 
diff --git a/3d-viewer/3d_cache/sg/ifsg_faceset.cpp b/3d-viewer/3d_cache/sg/ifsg_faceset.cpp
index ea599306ff..bfe3908951 100644
--- a/3d-viewer/3d_cache/sg/ifsg_faceset.cpp
+++ b/3d-viewer/3d_cache/sg/ifsg_faceset.cpp
@@ -57,7 +57,8 @@ IFSG_FACESET::IFSG_FACESET( SGNODE* aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -73,7 +74,8 @@ IFSG_FACESET::IFSG_FACESET( IFSG_NODE& aParent )
 #ifdef DEBUG
     if( ! pp )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, BadParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    BadParent );
     }
 #endif
 
@@ -84,7 +86,8 @@ IFSG_FACESET::IFSG_FACESET( IFSG_NODE& aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -124,7 +127,7 @@ bool IFSG_FACESET::NewNode( SGNODE* aParent )
 
     if( aParent != m_node->GetParent() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGFACESET",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGFACESET" ),
                     __FILE__, __FUNCTION__, __LINE__,
                     aParent->GetNodeTypeName( aParent->GetNodeType() ) );
 
diff --git a/3d-viewer/3d_cache/sg/ifsg_normals.cpp b/3d-viewer/3d_cache/sg/ifsg_normals.cpp
index 34689880e3..2e11c243ac 100644
--- a/3d-viewer/3d_cache/sg/ifsg_normals.cpp
+++ b/3d-viewer/3d_cache/sg/ifsg_normals.cpp
@@ -57,7 +57,8 @@ IFSG_NORMALS::IFSG_NORMALS( SGNODE* aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -73,7 +74,8 @@ IFSG_NORMALS::IFSG_NORMALS( IFSG_NODE& aParent )
 #ifdef DEBUG
     if( ! pp )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, BadParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    BadParent );
     }
 #endif
 
@@ -84,7 +86,8 @@ IFSG_NORMALS::IFSG_NORMALS( IFSG_NODE& aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -124,7 +127,7 @@ bool IFSG_NORMALS::NewNode( SGNODE* aParent )
 
     if( aParent != m_node->GetParent() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGNORMALS",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGNORMALS" ),
                     __FILE__, __FUNCTION__, __LINE__,
                     aParent->GetNodeTypeName( aParent->GetNodeType() ) );
 
diff --git a/3d-viewer/3d_cache/sg/ifsg_shape.cpp b/3d-viewer/3d_cache/sg/ifsg_shape.cpp
index 2349e5338e..4b46f198b4 100644
--- a/3d-viewer/3d_cache/sg/ifsg_shape.cpp
+++ b/3d-viewer/3d_cache/sg/ifsg_shape.cpp
@@ -57,7 +57,8 @@ IFSG_SHAPE::IFSG_SHAPE( SGNODE* aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -73,7 +74,8 @@ IFSG_SHAPE::IFSG_SHAPE( IFSG_NODE& aParent )
 #ifdef DEBUG
     if( !pp )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, BadParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    BadParent );
     }
 #endif
 
@@ -84,7 +86,8 @@ IFSG_SHAPE::IFSG_SHAPE( IFSG_NODE& aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -124,7 +127,7 @@ bool IFSG_SHAPE::NewNode( SGNODE* aParent )
 
     if( aParent != m_node->GetParent() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGSHAPE",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SGSHAPE" ),
                     __FILE__, __FUNCTION__, __LINE__,
                     aParent->GetNodeTypeName( aParent->GetNodeType() ) );
 
diff --git a/3d-viewer/3d_cache/sg/ifsg_transform.cpp b/3d-viewer/3d_cache/sg/ifsg_transform.cpp
index 165e46e79c..cd4872cfe7 100644
--- a/3d-viewer/3d_cache/sg/ifsg_transform.cpp
+++ b/3d-viewer/3d_cache/sg/ifsg_transform.cpp
@@ -56,7 +56,8 @@ IFSG_TRANSFORM::IFSG_TRANSFORM( SGNODE* aParent )
         delete m_node;
         m_node = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d %s", __FILE__, __FUNCTION__, __LINE__, WrongParent );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d %s" ), __FILE__, __FUNCTION__, __LINE__,
+                    WrongParent );
 
         return;
     }
@@ -96,7 +97,7 @@ bool IFSG_TRANSFORM::NewNode( SGNODE* aParent )
 
     if( aParent != m_node->GetParent() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SCENEGRAPH",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] invalid SGNODE parent (%s) to SCENEGRAPH" ),
                     __FILE__, __FUNCTION__, __LINE__,
                     aParent->GetNodeTypeName( aParent->GetNodeType() ) );
 
@@ -148,7 +149,7 @@ bool IFSG_TRANSFORM::SetScale( double aScale )
 
     if( aScale < 1e-8 && aScale > -1e-8 )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] |scale| is < 1e-8 - this seems strange",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] |scale| is < 1e-8 - this seems strange" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
diff --git a/3d-viewer/3d_cache/sg/scenegraph.cpp b/3d-viewer/3d_cache/sg/scenegraph.cpp
index 9bdcfb7798..d9579ede2c 100644
--- a/3d-viewer/3d_cache/sg/scenegraph.cpp
+++ b/3d-viewer/3d_cache/sg/scenegraph.cpp
@@ -49,8 +49,10 @@ SCENEGRAPH::SCENEGRAPH( SGNODE* aParent ) : SGNODE( aParent )
     {
         m_Parent = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] inappropriate parent to SCENEGRAPH (type %d)" ,
-                    __FILE__, __FUNCTION__, __LINE__, aParent->GetNodeType() );
+        wxLogTrace( MASK_3D_SG,
+                    wxT( "%s:%s:%d * [BUG] inappropriate parent to SCENEGRAPH (type %d)" ),
+                    __FILE__, __FUNCTION__, __LINE__,
+                    aParent->GetNodeType() );
     }
     else if( nullptr != aParent && S3D::SGTYPE_TRANSFORM == aParent->GetNodeType() )
     {
@@ -140,7 +142,7 @@ void SCENEGRAPH::unlinkNode( const SGNODE* aNode, bool isChild )
         break;
     }
 
-    wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] unlinkNode() did not find its target",
+    wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] unlinkNode() did not find its target" ),
                 __FILE__, __FUNCTION__, __LINE__ );
 }
 
@@ -166,8 +168,11 @@ bool SCENEGRAPH::addNode( SGNODE* aNode, bool isChild )
     ADD_NODE( S3D::SGTYPE_TRANSFORM, SCENEGRAPH, aNode, m_Transforms, m_RTransforms, isChild );
     ADD_NODE( S3D::SGTYPE_SHAPE, SGSHAPE, aNode, m_Shape, m_RShape, isChild );
 
-    wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] object '%s' is not a valid type for this object (%d)",
-                __FILE__, __FUNCTION__, __LINE__, aNode->GetName(), aNode->GetNodeType() );
+    wxLogTrace( MASK_3D_SG,
+                wxT( "%s:%s:%d * [BUG] object '%s' is not a valid type for this object (%d)" ),
+                __FILE__, __FUNCTION__, __LINE__,
+                aNode->GetName(),
+                aNode->GetNodeType() );
 
     return false;
 }
@@ -358,7 +363,8 @@ bool SCENEGRAPH::WriteCache( std::ostream& aFile, SGNODE* parentNode )
 
     if( aFile.fail() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad stream", __FILE__, __FUNCTION__, __LINE__ );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad stream" ),
+                    __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
     }
@@ -414,7 +420,8 @@ bool SCENEGRAPH::WriteCache( std::ostream& aFile, SGNODE* parentNode )
     {
         if( !m_Transforms[i]->WriteCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad stream while writing child transforms",
+            wxLogTrace( MASK_3D_SG,
+                        wxT( "%s:%s:%d * [INFO] bad stream while writing child transforms" ),
                         __FILE__, __FUNCTION__, __LINE__ );
 
             return false;
@@ -434,7 +441,8 @@ bool SCENEGRAPH::WriteCache( std::ostream& aFile, SGNODE* parentNode )
     {
         if( !m_Shape[i]->WriteCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad stream while writing child shapes",
+            wxLogTrace( MASK_3D_SG,
+                        wxT( "%s:%s:%d * [INFO] bad stream while writing child shapes" ),
                         __FILE__, __FUNCTION__, __LINE__ );
 
             return false;
@@ -467,8 +475,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
         // we need to read the tag and verify its type
         if( S3D::SGTYPE_TRANSFORM != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; tag mismatch at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; tag mismatch at position "
+                                         "%ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -504,8 +512,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_TRANSFORM != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad child transform tag at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad child transform tag "
+                                         "at position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -517,8 +525,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !sp->ReadCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data while reading transform %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data while reading transform "
+                                         "%ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -531,8 +539,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_TRANSFORM != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad ref transform tag at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad ref transform tag at "
+                                         "position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -543,8 +551,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !sp )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: cannot find ref transform at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: cannot find ref "
+                                         "transform at position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -553,8 +561,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( S3D::SGTYPE_TRANSFORM != sp->GetNodeType() )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: type is not TRANSFORM at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: type is not TRANSFORM "
+                                         "at position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -569,8 +577,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_SHAPE != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad child shape tag at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad child shape tag at "
+                                         "position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -582,9 +590,9 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !sp->ReadCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; corrupt data while reading shape at "
-                        "position %ul", __FILE__, __FUNCTION__, __LINE__,
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; corrupt data while "
+                                        "reading shape at position %ul" ),
+                        __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
             return false;
@@ -596,8 +604,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_SHAPE != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad ref shape tag at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad ref shape tag at "
+                                         "position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -608,8 +616,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !sp )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: cannot find ref shape at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: cannot find ref shape "
+                                         "at position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -618,8 +626,8 @@ bool SCENEGRAPH::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( S3D::SGTYPE_SHAPE != sp->GetNodeType() )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: type is not SGSHAPE at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: type is not SGSHAPE at "
+                                         "position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
diff --git a/3d-viewer/3d_cache/sg/sg_appearance.cpp b/3d-viewer/3d_cache/sg/sg_appearance.cpp
index 00c68eecf4..13eae7c58b 100644
--- a/3d-viewer/3d_cache/sg/sg_appearance.cpp
+++ b/3d-viewer/3d_cache/sg/sg_appearance.cpp
@@ -45,7 +45,8 @@ SGAPPEARANCE::SGAPPEARANCE( SGNODE* aParent ) : SGNODE( aParent )
     {
         m_Parent = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] inappropriate parent to SGAPPEARANCE (type %s )",
+        wxLogTrace( MASK_3D_SG,
+                    wxT( "%s:%s:%d * [BUG] inappropriate parent to SGAPPEARANCE (type %s )" ),
                     __FILE__, __FUNCTION__, __LINE__, aParent->GetNodeType() );
     }
     else if( nullptr != aParent && S3D::SGTYPE_SHAPE == aParent->GetNodeType() )
@@ -98,7 +99,7 @@ bool SGAPPEARANCE::SetEmissive( float aRVal, float aGVal, float aBVal )
 
 bool SGAPPEARANCE::SetEmissive( const SGCOLOR* aRGBColor )
 {
-    wxCHECK_MSG( aRGBColor, false, "NULL pointer passed for aRGBColor" );
+    wxCHECK_MSG( aRGBColor, false, wxT( "NULL pointer passed for aRGBColor" ) );
 
     return emissive.SetColor( aRGBColor );
 }
@@ -118,7 +119,7 @@ bool SGAPPEARANCE::SetDiffuse( float aRVal, float aGVal, float aBVal )
 
 bool SGAPPEARANCE::SetDiffuse( const SGCOLOR* aRGBColor )
 {
-    wxCHECK_MSG( aRGBColor, false, "NULL pointer passed for aRGBColor" );
+    wxCHECK_MSG( aRGBColor, false, wxT( "NULL pointer passed for aRGBColor" ) );
 
     return diffuse.SetColor( aRGBColor );
 }
@@ -138,7 +139,7 @@ bool SGAPPEARANCE::SetSpecular( float aRVal, float aGVal, float aBVal )
 
 bool SGAPPEARANCE::SetSpecular( const SGCOLOR* aRGBColor )
 {
-    wxCHECK_MSG( aRGBColor, false, "NULL pointer passed for aRGBColor" );
+    wxCHECK_MSG( aRGBColor, false, wxT( "NULL pointer passed for aRGBColor" ) );
 
     return specular.SetColor( aRGBColor );
 }
@@ -157,7 +158,7 @@ bool SGAPPEARANCE::SetAmbient( float aRVal, float aGVal, float aBVal )
 
 bool SGAPPEARANCE::SetAmbient( const SGCOLOR* aRGBColor )
 {
-    wxCHECK_MSG( aRGBColor, false, "NULL pointer passed for aRGBColor" );
+    wxCHECK_MSG( aRGBColor, false, wxT( "NULL pointer passed for aRGBColor" ) );
 
     return ambient.SetColor( aRGBColor );
 }
@@ -184,20 +185,20 @@ SGNODE* SGAPPEARANCE::FindNode( const char* aNodeName, const SGNODE* aCaller) no
 void SGAPPEARANCE::unlinkChildNode( const SGNODE* aCaller ) noexcept
 {
     wxCHECK_MSG( aCaller, /* void */,
-                 "unexpected code branch; node should have no children or refs" );
+                 wxT( "unexpected code branch; node should have no children or refs" ) );
 }
 
 
 void SGAPPEARANCE::unlinkRefNode( const SGNODE* aCaller ) noexcept
 {
     wxCHECK_MSG( aCaller, /* void */,
-                 "unexpected code branch; node should have no children or refs" );
+                 wxT( "unexpected code branch; node should have no children or refs" ) );
 }
 
 
 bool SGAPPEARANCE::AddRefNode( SGNODE* aNode ) noexcept
 {
-    wxCHECK_MSG( aNode, false, "this node does not accept children or refs" );
+    wxCHECK_MSG( aNode, false, wxT( "this node does not accept children or refs" ) );
 
     // This is redundant but it keeps gcc from generating a warning on debug builds.
     return false;
@@ -206,7 +207,7 @@ bool SGAPPEARANCE::AddRefNode( SGNODE* aNode ) noexcept
 
 bool SGAPPEARANCE::AddChildNode( SGNODE* aNode ) noexcept
 {
-    wxCHECK_MSG( aNode, false, "this node does not accept children or refs" );
+    wxCHECK_MSG( aNode, false, wxT( "this node does not accept children or refs" ) );
 
     // This is redundant but it keeps gcc from generating a warning on debug builds.
     return false;
@@ -304,7 +305,7 @@ bool SGAPPEARANCE::WriteCache( std::ostream& aFile, SGNODE* parentNode )
 {
     if( nullptr == parentNode )
     {
-        wxCHECK_MSG( m_Parent, false, "corrupt data; m_aParent is NULL" );
+        wxCHECK_MSG( m_Parent, false, wxT( "corrupt data; m_aParent is NULL" ) );
 
         SGNODE* np = m_Parent;
 
@@ -320,11 +321,12 @@ bool SGAPPEARANCE::WriteCache( std::ostream& aFile, SGNODE* parentNode )
         return false;
     }
 
-    wxCHECK_MSG( parentNode == m_Parent, false, "corrupt data; parentNode != m_aParent" );
+    wxCHECK_MSG( parentNode == m_Parent, false, wxT( "corrupt data; parentNode != m_aParent" ) );
 
     if( !aFile.good() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad stream", __FILE__, __FUNCTION__, __LINE__ );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad stream" ),
+                    __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
     }
diff --git a/3d-viewer/3d_cache/sg/sg_base.cpp b/3d-viewer/3d_cache/sg/sg_base.cpp
index 5969205f0f..3c7e5383f9 100644
--- a/3d-viewer/3d_cache/sg/sg_base.cpp
+++ b/3d-viewer/3d_cache/sg/sg_base.cpp
@@ -42,7 +42,7 @@ SGCOLOR::SGCOLOR( float aRVal, float aGVal, float aBVal )
 {
     if( !checkRange( aRVal, aGVal, aBVal ) )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid value passed to constructor",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] invalid value passed to constructor" ),
                     __FILE__, __FUNCTION__, __LINE__ );
         red = 0.0;
         green = 0.0;
@@ -74,7 +74,7 @@ void SGCOLOR::GetColor( SGCOLOR& aColor ) const noexcept
 
 void SGCOLOR::GetColor( SGCOLOR* aColor ) const noexcept
 {
-    wxCHECK_MSG( aColor, /* void */, "NULL pointer passed for aRGBColor" );
+    wxCHECK_MSG( aColor, /* void */, wxT( "NULL pointer passed for aRGBColor" ) );
 
     aColor->red = red;
     aColor->green = green;
@@ -106,7 +106,7 @@ bool SGCOLOR::SetColor( const SGCOLOR& aColor ) noexcept
 
 bool SGCOLOR::SetColor( const SGCOLOR* aColor ) noexcept
 {
-    wxCHECK_MSG( aColor, false, "NULL pointer passed for aRGBColor" );
+    wxCHECK_MSG( aColor, false, wxT( "NULL pointer passed for aRGBColor" ) );
 
     red = aColor->red;
     green = aColor->green;
@@ -121,7 +121,7 @@ bool SGCOLOR::checkRange( float aRedVal, float aGreenVal, float aBlueVal ) const
 
     if( aRedVal < 0.0 || aRedVal > 1.0 )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid RED value: %g",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] invalid RED value: %g" ),
                     __FILE__, __FUNCTION__, __LINE__, aRedVal );
 
         ok = false;
@@ -129,7 +129,7 @@ bool SGCOLOR::checkRange( float aRedVal, float aGreenVal, float aBlueVal ) const
 
     if( aGreenVal < 0.0 || aGreenVal > 1.0 )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid GREEN value: %g",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] invalid GREEN value: %g" ),
                     __FILE__, __FUNCTION__, __LINE__, aGreenVal );
 
         ok = false;
@@ -137,7 +137,7 @@ bool SGCOLOR::checkRange( float aRedVal, float aGreenVal, float aBlueVal ) const
 
     if( aBlueVal < 0.0 || aBlueVal > 1.0 )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] invalid BLUE value: %g",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] invalid BLUE value: %g" ),
                     __FILE__, __FUNCTION__, __LINE__, aBlueVal );
 
         ok = false;
@@ -181,7 +181,7 @@ void SGPOINT::GetPoint( const SGPOINT& aPoint ) noexcept
 
 void SGPOINT::GetPoint( const SGPOINT* aPoint ) noexcept
 {
-    wxCHECK_MSG( aPoint, /* void */, "NULL pointer passed for aPoint" );
+    wxCHECK_MSG( aPoint, /* void */, wxT( "NULL pointer passed for aPoint" ) );
 
     x = aPoint->x;
     y = aPoint->y;
diff --git a/3d-viewer/3d_cache/sg/sg_colors.cpp b/3d-viewer/3d_cache/sg/sg_colors.cpp
index d24a400a51..b46e1b7acc 100644
--- a/3d-viewer/3d_cache/sg/sg_colors.cpp
+++ b/3d-viewer/3d_cache/sg/sg_colors.cpp
@@ -38,7 +38,8 @@ SGCOLORS::SGCOLORS( SGNODE* aParent ) : SGNODE( aParent )
     {
         m_Parent = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] inappropriate parent to SGCOLORS (type %s)",
+        wxLogTrace( MASK_3D_SG,
+                    wxT( "%s:%s:%d * [BUG] inappropriate parent to SGCOLORS (type %s)" ),
                     __FILE__, __FUNCTION__, __LINE__, aParent->GetNodeType() );
     }
     else if( nullptr != aParent && S3D::SGTYPE_FACESET == aParent->GetNodeType() )
@@ -259,7 +260,8 @@ bool SGCOLORS::WriteCache( std::ostream& aFile, SGNODE* parentNode )
 
     if( !aFile.good() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad stream", __FILE__, __FUNCTION__, __LINE__ );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad stream" ),
+                    __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
     }
diff --git a/3d-viewer/3d_cache/sg/sg_coords.cpp b/3d-viewer/3d_cache/sg/sg_coords.cpp
index 55c00d51dd..97eada2bb7 100644
--- a/3d-viewer/3d_cache/sg/sg_coords.cpp
+++ b/3d-viewer/3d_cache/sg/sg_coords.cpp
@@ -40,7 +40,8 @@ SGCOORDS::SGCOORDS( SGNODE* aParent ) : SGNODE( aParent )
     {
         m_Parent = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] inappropriate parent to SGCOORDS (type %s)",
+        wxLogTrace( MASK_3D_SG,
+                    wxT( "%s:%s:%d * [BUG] inappropriate parent to SGCOORDS (type %s)" ),
                     __FILE__, __FUNCTION__, __LINE__, aParent->GetNodeType() );
     }
     else if( nullptr != aParent && S3D::SGTYPE_FACESET == aParent->GetNodeType() )
@@ -261,7 +262,8 @@ bool SGCOORDS::WriteCache( std::ostream& aFile, SGNODE* parentNode )
 
     if( !aFile.good() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad stream", __FILE__, __FUNCTION__, __LINE__ );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad stream" ),
+                    __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
     }
diff --git a/3d-viewer/3d_cache/sg/sg_faceset.cpp b/3d-viewer/3d_cache/sg/sg_faceset.cpp
index fb9b3d9638..4ec4e5ae20 100644
--- a/3d-viewer/3d_cache/sg/sg_faceset.cpp
+++ b/3d-viewer/3d_cache/sg/sg_faceset.cpp
@@ -52,8 +52,10 @@ SGFACESET::SGFACESET( SGNODE* aParent ) : SGNODE( aParent )
     {
         m_Parent = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] inappropriate parent to SGFACESET (type %s)",
-                    __FILE__, __FUNCTION__, __LINE__, aParent->GetNodeType() );
+        wxLogTrace( MASK_3D_SG,
+                    wxT( "%s:%s:%d * [BUG] inappropriate parent to SGFACESET (type %s)" ),
+                    __FILE__, __FUNCTION__, __LINE__,
+                    aParent->GetNodeType() );
     }
     else if( nullptr != aParent && S3D::SGTYPE_SHAPE == aParent->GetNodeType() )
     {
@@ -252,7 +254,7 @@ void SGFACESET::unlinkNode( const SGNODE* aNode, bool isChild )
         }
     }
 
-    wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] unlinkNode() did not find its target",
+    wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] unlinkNode() did not find its target" ),
                 __FILE__, __FUNCTION__, __LINE__ );
 }
 
@@ -283,7 +285,7 @@ bool SGFACESET::addNode( SGNODE* aNode, bool isChild )
         {
             if( aNode != m_Colors && aNode != m_RColors )
             {
-                wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] assigning multiple Colors nodes",
+                wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] assigning multiple Colors nodes" ),
                             __FILE__, __FUNCTION__, __LINE__ );
 
                 return false;
@@ -312,7 +314,7 @@ bool SGFACESET::addNode( SGNODE* aNode, bool isChild )
         {
             if( aNode != m_Coords && aNode != m_RCoords )
             {
-                wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] assigning multiple Colors nodes",
+                wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] assigning multiple Colors nodes" ),
                             __FILE__, __FUNCTION__, __LINE__ );
 
                 return false;
@@ -341,7 +343,7 @@ bool SGFACESET::addNode( SGNODE* aNode, bool isChild )
         {
             if( aNode != m_Normals && aNode != m_RNormals )
             {
-                wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] assigning multiple Normals nodes",
+                wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] assigning multiple Normals nodes" ),
                             __FILE__, __FUNCTION__, __LINE__ );
 
                 return false;
@@ -370,7 +372,8 @@ bool SGFACESET::addNode( SGNODE* aNode, bool isChild )
         {
             if( aNode != m_CoordIndices )
             {
-                wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] assigning multiple CoordIndex nodes",
+                wxLogTrace( MASK_3D_SG,
+                            wxT( "%s:%s:%d * [BUG] assigning multiple CoordIndex nodes" ),
                             __FILE__, __FUNCTION__, __LINE__ );
 
                 return false;
@@ -385,8 +388,10 @@ bool SGFACESET::addNode( SGNODE* aNode, bool isChild )
         return true;
     }
 
-    wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] object type '%s' is not a valid type for "
-                "this object '%d'", __FILE__, __FUNCTION__, __LINE__, aNode->GetName(),
+    wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] object type '%s' is not a valid type for "
+                                 "this object '%d'" ),
+                __FILE__, __FUNCTION__, __LINE__,
+                aNode->GetName(),
                 aNode->GetNodeType() );
 
     return false;
@@ -509,7 +514,8 @@ bool SGFACESET::WriteCache( std::ostream& aFile, SGNODE* parentNode )
 
     if( !aFile.good() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad stream", __FILE__, __FUNCTION__, __LINE__ );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad stream" ),
+                    __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
     }
@@ -597,7 +603,7 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
     if( m_Coords || m_RCoords || m_CoordIndices || m_Colors || m_RColors || m_Normals
       || m_RNormals )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] non-empty node",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] non-empty node" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
@@ -611,9 +617,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
     if( ( items[0] && items[1] ) || ( items[3] && items[4] ) || ( items[5] && items[6] ) )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [INFO] corrupt data; multiple item definitions at position %d",
-                    __FILE__, __FUNCTION__, __LINE__, static_cast<int>( aFile.tellg() ) );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; multiple item definitions "
+                                     "at position %d" ),
+                    __FILE__, __FUNCTION__, __LINE__,
+                    static_cast<int>( aFile.tellg() ) );
 
         return false;
     }
@@ -624,9 +631,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_COORDS != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad child coords tag at position %d",
-                        __FILE__, __FUNCTION__, __LINE__, static_cast<int>( aFile.tellg() ) );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad child coords tag at "
+                                         "position %d" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        static_cast<int>( aFile.tellg() ) );
 
             return false;
         }
@@ -636,9 +644,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !m_Coords->ReadCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; corrupt data while reading coords '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; corrupt data while "
+                                         "reading coords '%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
@@ -648,9 +657,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_COORDS != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad ref coords tag at position %d",
-                        __FILE__, __FUNCTION__, __LINE__, static_cast<int>( aFile.tellg() ) );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad ref coords tag at "
+                                         "position %d" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        static_cast<int>( aFile.tellg() ) );
 
             return false;
         }
@@ -659,18 +669,20 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !np )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; cannot find ref coords '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; cannot find ref "
+                                         "coords '%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
 
         if( S3D::SGTYPE_COORDS != np->GetNodeType() )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; type is not SGCOORDS '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; type is not SGCOORDS "
+                                         "'%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
@@ -683,9 +695,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_COORDINDEX != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad coord index tag at position %d",
-                        __FILE__, __FUNCTION__, __LINE__, static_cast<int>( aFile.tellg() ) );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad coord index tag at "
+                                         "position %d" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        static_cast<int>( aFile.tellg() ) );
 
             return false;
         }
@@ -695,9 +708,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !m_CoordIndices->ReadCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data while reading coord index '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data while reading coord "
+                                         "index '%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
@@ -707,9 +721,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_NORMALS != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad child normals tag at position %d",
-                        __FILE__, __FUNCTION__, __LINE__, static_cast<int>( aFile.tellg() ) );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad child normals tag "
+                                         "at position %d" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        static_cast<int>( aFile.tellg() ) );
 
             return false;
         }
@@ -719,9 +734,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !m_Normals->ReadCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data while reading normals '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data while reading normals "
+                                         "'%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
@@ -731,9 +747,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_NORMALS != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad ref normals tag at position %d",
-                        __FILE__, __FUNCTION__, __LINE__, static_cast<int>( aFile.tellg() ) );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad ref normals tag at "
+                                         "position %d" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        static_cast<int>( aFile.tellg() ) );
 
             return false;
         }
@@ -742,18 +759,19 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !np )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt: cannot find ref normals '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt: cannot find ref normals "
+                                         "'%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
 
         if( S3D::SGTYPE_NORMALS != np->GetNodeType() )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt: type is not SGNORMALS '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt: type is not SGNORMALS '%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
@@ -766,9 +784,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_COLORS != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad child colors tag at position %d",
-                        __FILE__, __FUNCTION__, __LINE__, static_cast<int>( aFile.tellg() ) );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad child colors tag "
+                                         "at position %d" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        static_cast<int>( aFile.tellg() ) );
 
             return false;
         }
@@ -778,9 +797,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !m_Colors->ReadCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data while reading colors '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data while reading colors "
+                                         "'%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
@@ -790,9 +810,10 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_COLORS != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad ref colors tag at position %d",
-                        __FILE__, __FUNCTION__, __LINE__, static_cast<int>( aFile.tellg() ) );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad ref colors tag at "
+                                         "position %d" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        static_cast<int>( aFile.tellg() ) );
 
             return false;
         }
@@ -801,18 +822,20 @@ bool SGFACESET::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !np )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: cannot find ref colors '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: cannot find ref colors "
+                                         "'%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
 
         if( S3D::SGTYPE_COLORS != np->GetNodeType() )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: type is not SGCOLORS '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: type is not SGCOLORS "
+                                         "'%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
@@ -839,8 +862,8 @@ bool SGFACESET::validate( void )
       || ( nullptr == m_Normals && nullptr == m_RNormals )
       || ( nullptr == m_CoordIndices ) )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [INFO] bad model; no vertices, vertex indices, or normals",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; no vertices, vertex indices, "
+                                     "or normals" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         validated = true;
@@ -860,7 +883,7 @@ bool SGFACESET::validate( void )
 
     if( nCoords < 3 )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad model; fewer than 3 vertices",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; fewer than 3 vertices" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         validated = true;
@@ -875,8 +898,8 @@ bool SGFACESET::validate( void )
 
     if( nCIdx < 3 || ( nCIdx % 3 > 0 ) )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [INFO] bad model; no vertex indices or not multiple of 3",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; no vertex indices or not "
+                                     "multiple of 3" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         validated = true;
@@ -889,7 +912,8 @@ bool SGFACESET::validate( void )
     {
         if( lCIdx[i] < 0 || lCIdx[i] >= (int)nCoords )
         {
-            wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad model; vertex index out of bounds",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; vertex index out of "
+                                         "bounds" ),
                         __FILE__, __FUNCTION__, __LINE__ );
 
             validated = true;
@@ -910,10 +934,11 @@ bool SGFACESET::validate( void )
 
     if( nNorms != nCoords )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [INFO] bad model; number of normals (%ul) does not match "
-                    "number of vertices (%ul)", __FILE__, __FUNCTION__, __LINE__,
-                    static_cast<unsigned long>( nNorms ), static_cast<unsigned long>( nCoords ) );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; number of normals (%ul) does "
+                                     "not match number of vertices (%ul)" ),
+                    __FILE__, __FUNCTION__, __LINE__,
+                    static_cast<unsigned long>( nNorms ),
+                    static_cast<unsigned long>( nCoords ) );
 
         validated = true;
         valid = false;
diff --git a/3d-viewer/3d_cache/sg/sg_helpers.cpp b/3d-viewer/3d_cache/sg/sg_helpers.cpp
index 4529979631..6fe234755f 100644
--- a/3d-viewer/3d_cache/sg/sg_helpers.cpp
+++ b/3d-viewer/3d_cache/sg/sg_helpers.cpp
@@ -199,9 +199,10 @@ S3D::SGTYPES S3D::ReadTag( std::istream& aFile, std::string& aName )
 
     if( '[' != schar )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [INFO] corrupt data; missing left bracket at position %d",
-                    __FILE__, __FUNCTION__, __LINE__, static_cast<int>( aFile.tellg() ) );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; missing left bracket at "
+                                     "position %d" ),
+                    __FILE__, __FUNCTION__, __LINE__,
+                    static_cast<int>( aFile.tellg() ) );
 
         return S3D::SGTYPE_END;
     }
@@ -217,8 +218,8 @@ S3D::SGTYPES S3D::ReadTag( std::istream& aFile, std::string& aName )
 
     if( schar != ']' )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [INFO] corrupt data; could not find right bracket",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; could not find right "
+                                     "bracket" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return S3D::SGTYPE_END;
@@ -229,9 +230,9 @@ S3D::SGTYPES S3D::ReadTag( std::istream& aFile, std::string& aName )
 
     if( std::string::npos == upos )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [INFO] corrupt data; no underscore in name '%s'",
-                    __FILE__, __FUNCTION__, __LINE__, name );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; no underscore in name '%s'" ),
+                    __FILE__, __FUNCTION__, __LINE__,
+                    name );
 
         return S3D::SGTYPE_END;
     }
@@ -255,9 +256,9 @@ S3D::SGTYPES S3D::ReadTag( std::istream& aFile, std::string& aName )
             return types[i];
     }
 
-    wxLogTrace( MASK_3D_SG,
-                "%s:%s:%d * [INFO] corrupt data; no node type matching '%s'",
-                __FILE__, __FUNCTION__, __LINE__, name );
+    wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; no node type matching '%s'" ),
+                __FILE__, __FUNCTION__, __LINE__,
+                name );
 
     return S3D::SGTYPE_END;
 }
@@ -356,8 +357,8 @@ bool S3D::CalcTriangleNormals( std::vector< SGPOINT > coords, std::vector< int >
 
     if( vsize < 3 )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [INFO] invalid vertex set (fewer than 3 vertices)",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] invalid vertex set (fewer than 3 "
+                                     "vertices)" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
@@ -367,7 +368,7 @@ bool S3D::CalcTriangleNormals( std::vector< SGPOINT > coords, std::vector< int >
 
     if( 0 != isize % 3 || index.empty() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] invalid index set (not multiple of 3)",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] invalid index set (not multiple of 3)" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
@@ -375,7 +376,7 @@ bool S3D::CalcTriangleNormals( std::vector< SGPOINT > coords, std::vector< int >
 
     if( !norms.empty() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] normals set is not empty",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] normals set is not empty" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
@@ -398,7 +399,7 @@ bool S3D::CalcTriangleNormals( std::vector< SGPOINT > coords, std::vector< int >
             std::ostringstream ostr;
             ostr << __FILE__ << ": " << __FUNCTION__ << ": " << __LINE__ << "\n";
             ostr << " * [INFO] invalid index set; index out of bounds";
-            wxLogTrace( MASK_3D_SG, "%s\n", ostr.str().c_str() );
+            wxLogTrace( MASK_3D_SG, wxT( "%s\n" ), ostr.str().c_str() );
 #endif
 
             return false;
@@ -481,8 +482,8 @@ bool S3D::CalcTriangleNormals( std::vector< SGPOINT > coords, std::vector< int >
 
     if( norms.size() != coords.size() )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [BUG] number of normals does not equal number of vertices",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] number of normals does not equal number "
+                                     "of vertices" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
diff --git a/3d-viewer/3d_cache/sg/sg_index.cpp b/3d-viewer/3d_cache/sg/sg_index.cpp
index 6bd1213ddd..0fb57940fb 100644
--- a/3d-viewer/3d_cache/sg/sg_index.cpp
+++ b/3d-viewer/3d_cache/sg/sg_index.cpp
@@ -35,8 +35,10 @@ SGINDEX::SGINDEX( SGNODE* aParent ) : SGNODE( aParent )
     {
         m_Parent = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] inappropriate parent to SGINDEX (type '%d')",
-                    __FILE__, __FUNCTION__, __LINE__, aParent->GetNodeType() );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] inappropriate parent to SGINDEX (type "
+                                     "'%d')" ),
+                    __FILE__, __FUNCTION__, __LINE__,
+                    aParent->GetNodeType() );
     }
 }
 
@@ -182,8 +184,8 @@ bool SGINDEX::writeCoordIndex( std::ostream& aFile )
 {
     size_t n = index.size();
 
-    wxCHECK_MSG( n % 3 == 0, false,
-                 "Coordinate index is not divisible by three (violates triangle constraint)" );
+    wxCHECK_MSG( n % 3 == 0, false, wxT( "Coordinate index is not divisible by three (violates "
+                                         "triangle constraint)" ) );
 
     aFile << " coordIndex [\n  ";
 
@@ -281,7 +283,7 @@ bool SGINDEX::WriteCache( std::ostream& aFile, SGNODE* parentNode )
 
     if( !aFile.good() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad stream",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad stream" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
diff --git a/3d-viewer/3d_cache/sg/sg_node.cpp b/3d-viewer/3d_cache/sg/sg_node.cpp
index 332c2967cc..06e2f9a8e1 100644
--- a/3d-viewer/3d_cache/sg/sg_node.cpp
+++ b/3d-viewer/3d_cache/sg/sg_node.cpp
@@ -196,9 +196,11 @@ void SGNODE::delNodeRef( const SGNODE* aNode )
         return;
     }
 
-    wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] delNodeRef() did not find its target, "
-                "this node type %d, referenced node type %d", __FILE__, __FUNCTION__, __LINE__,
-                m_SGtype, aNode->GetNodeType() );
+    wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] delNodeRef() did not find its target, this "
+                                 "node type %d, referenced node type %d" ),
+                __FILE__, __FUNCTION__, __LINE__,
+                m_SGtype,
+                aNode->GetNodeType() );
 }
 
 
@@ -212,8 +214,8 @@ void SGNODE::AssociateWrapper( SGNODE** aWrapperRef ) noexcept
     {
         *m_Association = nullptr;
 
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [WARNING] association being broken with previous wrapper",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [WARNING] association being broken with "
+                                     "previous wrapper" ),
                     __FILE__, __FUNCTION__, __LINE__ );
     }
 
diff --git a/3d-viewer/3d_cache/sg/sg_normals.cpp b/3d-viewer/3d_cache/sg/sg_normals.cpp
index 0076f77fff..e24a99b281 100644
--- a/3d-viewer/3d_cache/sg/sg_normals.cpp
+++ b/3d-viewer/3d_cache/sg/sg_normals.cpp
@@ -38,8 +38,10 @@ SGNORMALS::SGNORMALS( SGNODE* aParent ) : SGNODE( aParent )
     {
         m_Parent = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] inappropriate parent to SGNORMALS (type %d)",
-                    __FILE__, __FUNCTION__, __LINE__, aParent->GetNodeType() );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] inappropriate parent to SGNORMALS "
+                                     "(type %d)" ),
+                    __FILE__, __FUNCTION__, __LINE__,
+                    aParent->GetNodeType() );
     }
     else if( nullptr != aParent && S3D::SGTYPE_FACESET == aParent->GetNodeType() )
     {
@@ -253,7 +255,7 @@ bool SGNORMALS::WriteCache( std::ostream& aFile, SGNODE* parentNode )
 
     if( !aFile.good() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad stream",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad stream" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
diff --git a/3d-viewer/3d_cache/sg/sg_shape.cpp b/3d-viewer/3d_cache/sg/sg_shape.cpp
index b173db3e01..cdc13d96f0 100644
--- a/3d-viewer/3d_cache/sg/sg_shape.cpp
+++ b/3d-viewer/3d_cache/sg/sg_shape.cpp
@@ -49,7 +49,7 @@ SGSHAPE::SGSHAPE( SGNODE* aParent ) : SGNODE( aParent )
     {
         m_Parent = nullptr;
 
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] inappropriate parent to SGSHAPE (type %d)",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] inappropriate parent to SGSHAPE (type %d)" ),
                     __FILE__, __FUNCTION__, __LINE__, aParent->GetNodeType() );
     }
     else if( nullptr != aParent && S3D::SGTYPE_TRANSFORM == aParent->GetNodeType() )
@@ -195,7 +195,7 @@ void SGSHAPE::unlinkNode( const SGNODE* aNode, bool isChild )
         }
     }
 
-    wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] unlinkNode() did not find its target",
+    wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] unlinkNode() did not find its target" ),
                 __FILE__, __FUNCTION__, __LINE__ );
 }
 
@@ -222,7 +222,8 @@ bool SGSHAPE::addNode( SGNODE* aNode, bool isChild )
         {
             if( aNode != m_Appearance && aNode != m_RAppearance )
             {
-                wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] assigning multiple Appearance nodes",
+                wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] assigning multiple Appearance "
+                                             "nodes" ),
                             __FILE__, __FUNCTION__, __LINE__ );
 
                 return false;
@@ -251,7 +252,7 @@ bool SGSHAPE::addNode( SGNODE* aNode, bool isChild )
         {
             if( aNode != m_FaceSet && aNode != m_RFaceSet )
             {
-                wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] assigning multiple FaceSet nodes",
+                wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] assigning multiple FaceSet nodes" ),
                             __FILE__, __FUNCTION__, __LINE__ );
 
                 return false;
@@ -274,7 +275,8 @@ bool SGSHAPE::addNode( SGNODE* aNode, bool isChild )
         return true;
     }
 
-    wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] object %s is not a valid type for this object (%d)",
+    wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] object %s is not a valid type for this "
+                                 "object (%d)" ),
                 __FILE__, __FUNCTION__, __LINE__, aNode->GetName(), aNode->GetNodeType() );
 
     return false;
@@ -378,7 +380,8 @@ bool SGSHAPE::WriteCache( std::ostream& aFile, SGNODE* parentNode )
 
     if( !aFile.good() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [BUG] bad stream", __FILE__, __FUNCTION__, __LINE__ );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [BUG] bad stream" ),
+                    __FILE__, __FUNCTION__, __LINE__ );
 
         return false;
     }
@@ -454,9 +457,10 @@ bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
     if( ( items[0] && items[1] ) || ( items[2] && items[3] ) )
     {
-        wxLogTrace( MASK_3D_SG,
-                    "%s:%s:%d * [INFO] corrupt data; multiple item definitions at position %ul",
-                    __FILE__, __FUNCTION__, __LINE__, static_cast<unsigned long>( aFile.tellg() ) );
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; multiple item definitions "
+                                     "at position %ul" ),
+                    __FILE__, __FUNCTION__, __LINE__,
+                    static_cast<unsigned long>( aFile.tellg() ) );
 
         return false;
     }
@@ -467,8 +471,8 @@ bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_APPEARANCE != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad child appearance tag at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad child appearance "
+                                         "tag at position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -480,7 +484,8 @@ bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !m_Appearance->ReadCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] corrupt data while reading appearance '%s'",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data while reading appearance "
+                                         "'%s'" ),
                         __FILE__, __FUNCTION__, __LINE__, name );
 
             return false;
@@ -491,8 +496,8 @@ bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_APPEARANCE != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad ref appearance tag at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad ref appearance tag "
+                                         "at position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -503,18 +508,20 @@ bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !np )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: cannot find ref appearance '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: cannot find ref "
+                                         "appearance '%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
 
         if( S3D::SGTYPE_APPEARANCE != np->GetNodeType() )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: type is not SGAPPEARANCE '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: type is not "
+                                         "SGAPPEARANCE '%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
@@ -527,8 +534,8 @@ bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_FACESET != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad child face set tag at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad child face set tag "
+                                         "at position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -540,8 +547,8 @@ bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !m_FaceSet->ReadCache( aFile, this ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data while reading face set '%s'",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data while reading face set "
+                                         "'%s'" ),
                         __FILE__, __FUNCTION__, __LINE__, name );
 
             return false;
@@ -552,8 +559,8 @@ bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
     {
         if( S3D::SGTYPE_FACESET != S3D::ReadTag( aFile, name ) )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data; bad ref face set tag at position %ul",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data; bad ref face set tag at "
+                                         "position %ul" ),
                         __FILE__, __FUNCTION__, __LINE__,
                         static_cast<unsigned long>( aFile.tellg() ) );
 
@@ -564,18 +571,20 @@ bool SGSHAPE::ReadCache( std::istream& aFile, SGNODE* parentNode )
 
         if( !np )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: cannot find ref face set '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: cannot find ref face "
+                                         "set '%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
 
         if( S3D::SGTYPE_FACESET != np->GetNodeType() )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] corrupt data: type is not SGFACESET '%s'",
-                        __FILE__, __FUNCTION__, __LINE__, name );
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] corrupt data: type is not SGFACESET "
+                                         "'%s'" ),
+                        __FILE__, __FUNCTION__, __LINE__,
+                        name );
 
             return false;
         }
@@ -612,7 +621,7 @@ bool SGSHAPE::Prepare( const glm::dmat4* aTransform, S3D::MATLIST& materials,
 
     if( !pf->validate() )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad model; inconsistent data",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; inconsistent data" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return true;
@@ -665,8 +674,8 @@ bool SGSHAPE::Prepare( const glm::dmat4* aTransform, S3D::MATLIST& materials,
 
         if( nColors < nCoords )
         {
-            wxLogTrace( MASK_3D_SG,
-                        "%s:%s:%d * [INFO] bad model; not enough colors per vertex (%ul vs %ul)",
+            wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; not enough colors per "
+                                         "vertex (%ul vs %ul)" ),
                         __FILE__, __FUNCTION__, __LINE__, static_cast<unsigned long>( nColors ),
                         static_cast<unsigned long>( nCoords ) );
 
@@ -697,7 +706,7 @@ bool SGSHAPE::Prepare( const glm::dmat4* aTransform, S3D::MATLIST& materials,
 
     if( vertices.size() < 3 )
     {
-        wxLogTrace( MASK_3D_SG, "%s:%s:%d * [INFO] bad model; not enough vertices",
+        wxLogTrace( MASK_3D_SG, wxT( "%s:%s:%d * [INFO] bad model; not enough vertices" ),
                     __FILE__, __FUNCTION__, __LINE__ );
 
         return true;
diff --git a/3d-viewer/3d_canvas/board_adapter.cpp b/3d-viewer/3d_canvas/board_adapter.cpp
index 47b608d530..ebcaa9f777 100644
--- a/3d-viewer/3d_canvas/board_adapter.cpp
+++ b/3d-viewer/3d_canvas/board_adapter.cpp
@@ -139,49 +139,49 @@ BOARD_ADAPTER::BOARD_ADAPTER() :
     list.push_back( CUSTOM_COLOR_ITEM( r/255.0, g/255.0, b/255.0, a, name ) )
 
         ADD_COLOR( g_SilkscreenColors, 245, 245, 245, 1.0, NotSpecifiedPrm() ); // White
-        ADD_COLOR( g_SilkscreenColors,  20,  51,  36, 1.0, "Green" );
-        ADD_COLOR( g_SilkscreenColors, 181,  19,  21, 1.0, "Red" );
-        ADD_COLOR( g_SilkscreenColors,   2,  59, 162, 1.0, "Blue" );
-        ADD_COLOR( g_SilkscreenColors,  11,  11,  11, 1.0, "Black" );
-        ADD_COLOR( g_SilkscreenColors, 245, 245, 245, 1.0, "White" );
-        ADD_COLOR( g_SilkscreenColors,  32,   2,  53, 1.0, "Purple" );
-        ADD_COLOR( g_SilkscreenColors, 194,  195,  0, 1.0, "Yellow" );
+        ADD_COLOR( g_SilkscreenColors,  20,  51,  36, 1.0, wxT( "Green" ) );
+        ADD_COLOR( g_SilkscreenColors, 181,  19,  21, 1.0, wxT( "Red" ) );
+        ADD_COLOR( g_SilkscreenColors,   2,  59, 162, 1.0, wxT( "Blue" ) );
+        ADD_COLOR( g_SilkscreenColors,  11,  11,  11, 1.0, wxT( "Black" ) );
+        ADD_COLOR( g_SilkscreenColors, 245, 245, 245, 1.0, wxT( "White" ) );
+        ADD_COLOR( g_SilkscreenColors,  32,   2,  53, 1.0, wxT( "Purple" ) );
+        ADD_COLOR( g_SilkscreenColors, 194,  195,  0, 1.0, wxT( "Yellow" ) );
 
         ADD_COLOR( g_MaskColors,  20,  51,  36, 0.83, NotSpecifiedPrm() ); // Green
-        ADD_COLOR( g_MaskColors,  20,  51,  36, 0.83, "Green" );
-        ADD_COLOR( g_MaskColors,  91, 168,  12, 0.83, "Light Green" );
-        ADD_COLOR( g_MaskColors,  13, 104,  11, 0.83, "Saturated Green" );
-        ADD_COLOR( g_MaskColors, 181,  19,  21, 0.83, "Red" );
-        ADD_COLOR( g_MaskColors, 210,  40,  14, 0.83, "Light Red" );
-        ADD_COLOR( g_MaskColors, 239,  53,  41, 0.83, "Red/Orange" );
-        ADD_COLOR( g_MaskColors,   2,  59, 162, 0.83, "Blue" );
-        ADD_COLOR( g_MaskColors,  54,  79, 116, 0.83, "Light Blue 1" );
-        ADD_COLOR( g_MaskColors,  61,  85, 130, 0.83, "Light Blue 2" );
-        ADD_COLOR( g_MaskColors,  21,  70,  80, 0.83, "Green/Blue" );
-        ADD_COLOR( g_MaskColors,  11,  11,  11, 0.83, "Black" );
-        ADD_COLOR( g_MaskColors, 245, 245, 245, 0.83, "White" );
-        ADD_COLOR( g_MaskColors,  32,   2,  53, 0.83, "Purple" );
-        ADD_COLOR( g_MaskColors, 119,  31,  91, 0.83, "Light Purple" );
-        ADD_COLOR( g_MaskColors, 194,  195,  0, 0.83, "Yellow" );
+        ADD_COLOR( g_MaskColors,  20,  51,  36, 0.83, wxT( "Green" ) );
+        ADD_COLOR( g_MaskColors,  91, 168,  12, 0.83, wxT( "Light Green" ) );
+        ADD_COLOR( g_MaskColors,  13, 104,  11, 0.83, wxT( "Saturated Green" ) );
+        ADD_COLOR( g_MaskColors, 181,  19,  21, 0.83, wxT( "Red" ) );
+        ADD_COLOR( g_MaskColors, 210,  40,  14, 0.83, wxT( "Light Red" ) );
+        ADD_COLOR( g_MaskColors, 239,  53,  41, 0.83, wxT( "Red/Orange" ) );
+        ADD_COLOR( g_MaskColors,   2,  59, 162, 0.83, wxT( "Blue" ) );
+        ADD_COLOR( g_MaskColors,  54,  79, 116, 0.83, wxT( "Light Blue 1" ) );
+        ADD_COLOR( g_MaskColors,  61,  85, 130, 0.83, wxT( "Light Blue 2" ) );
+        ADD_COLOR( g_MaskColors,  21,  70,  80, 0.83, wxT( "Green/Blue" ) );
+        ADD_COLOR( g_MaskColors,  11,  11,  11, 0.83, wxT( "Black" ) );
+        ADD_COLOR( g_MaskColors, 245, 245, 245, 0.83, wxT( "White" ) );
+        ADD_COLOR( g_MaskColors,  32,   2,  53, 0.83, wxT( "Purple" ) );
+        ADD_COLOR( g_MaskColors, 119,  31,  91, 0.83, wxT( "Light Purple" ) );
+        ADD_COLOR( g_MaskColors, 194,  195,  0, 0.83, wxT( "Yellow" ) );
 
-        ADD_COLOR( g_PasteColors, 128, 128, 128, 1.0, "Grey" );
-        ADD_COLOR( g_PasteColors,  90,  90,  90, 1.0, "Dark Grey" );
-        ADD_COLOR( g_PasteColors, 213, 213, 213, 1.0, "Silver" );
+        ADD_COLOR( g_PasteColors, 128, 128, 128, 1.0, wxT( "Grey" ) );
+        ADD_COLOR( g_PasteColors,  90,  90,  90, 1.0, wxT( "Dark Grey" ) );
+        ADD_COLOR( g_PasteColors, 213, 213, 213, 1.0, wxT( "Silver" ) );
 
-        ADD_COLOR( g_FinishColors, 184, 115,  50, 1.0, "Copper" );
-        ADD_COLOR( g_FinishColors, 178, 156,   0, 1.0, "Gold" );
-        ADD_COLOR( g_FinishColors, 213, 213, 213, 1.0, "Silver" );
-        ADD_COLOR( g_FinishColors, 160, 160, 160, 1.0, "Tin" );
+        ADD_COLOR( g_FinishColors, 184, 115,  50, 1.0, wxT( "Copper" ) );
+        ADD_COLOR( g_FinishColors, 178, 156,   0, 1.0, wxT( "Gold" ) );
+        ADD_COLOR( g_FinishColors, 213, 213, 213, 1.0, wxT( "Silver" ) );
+        ADD_COLOR( g_FinishColors, 160, 160, 160, 1.0, wxT( "Tin" ) );
 
-        ADD_COLOR( g_BoardColors,  51,  43,  22, 0.83, "FR4 natural, dark" );
-        ADD_COLOR( g_BoardColors, 109, 116,  75, 0.83, "FR4 natural" );
-        ADD_COLOR( g_BoardColors, 252, 252, 250, 0.90, "PTFE natural" );
-        ADD_COLOR( g_BoardColors, 205, 130,   0, 0.68, "Polyimide" );
-        ADD_COLOR( g_BoardColors,  92,  17,   6, 0.90, "Phenolic natural" );
-        ADD_COLOR( g_BoardColors, 146,  99,  47, 0.83, "Brown 1" );
-        ADD_COLOR( g_BoardColors, 160, 123,  54, 0.83, "Brown 2" );
-        ADD_COLOR( g_BoardColors, 146,  99,  47, 0.83, "Brown 3" );
-        ADD_COLOR( g_BoardColors, 213, 213, 213,  1.0, "Aluminum" );
+        ADD_COLOR( g_BoardColors,  51,  43,  22, 0.83, wxT( "FR4 natural, dark" ) );
+        ADD_COLOR( g_BoardColors, 109, 116,  75, 0.83, wxT( "FR4 natural" ) );
+        ADD_COLOR( g_BoardColors, 252, 252, 250, 0.90, wxT( "PTFE natural" ) );
+        ADD_COLOR( g_BoardColors, 205, 130,   0, 0.68, wxT( "Polyimide" ) );
+        ADD_COLOR( g_BoardColors,  92,  17,   6, 0.90, wxT( "Phenolic natural" ) );
+        ADD_COLOR( g_BoardColors, 146,  99,  47, 0.83, wxT( "Brown 1" ) );
+        ADD_COLOR( g_BoardColors, 160, 123,  54, 0.83, wxT( "Brown 2" ) );
+        ADD_COLOR( g_BoardColors, 146,  99,  47, 0.83, wxT( "Brown 3" ) );
+        ADD_COLOR( g_BoardColors, 213, 213, 213,  1.0, wxT( "Aluminum" ) );
 
         g_DefaultBackgroundTop = COLOR4D(  0.80, 0.80, 0.90, 1.0 );
         g_DefaultBackgroundBot = COLOR4D(  0.40, 0.40, 0.50, 1.0 );
@@ -527,7 +527,7 @@ void BOARD_ADAPTER::InitSettings( REPORTER* aStatusReporter, REPORTER* aWarningR
         auto findColor =
                 []( const wxString& aColorName, const CUSTOM_COLORS_LIST& aColorSet )
                 {
-                    if( aColorName.StartsWith( "#" ) )
+                    if( aColorName.StartsWith( wxT( "#" ) ) )
                     {
                         return KIGFX::COLOR4D( aColorName );
                     }
@@ -596,25 +596,25 @@ void BOARD_ADAPTER::InitSettings( REPORTER* aStatusReporter, REPORTER* aWarningR
 
         const wxString& finishName = stackup.m_FinishType;
 
-        if( finishName.EndsWith( "OSP" ) )
+        if( finishName.EndsWith( wxT( "OSP" ) ) )
         {
-            m_CopperColor = to_SFVEC4F( findColor( "Copper", g_FinishColors ) );
+            m_CopperColor = to_SFVEC4F( findColor( wxT( "Copper" ), g_FinishColors ) );
         }
-        else if( finishName.EndsWith( "IG" )
-              || finishName.EndsWith( "gold" ) )
+        else if( finishName.EndsWith( wxT( "IG" ) )
+              || finishName.EndsWith( wxT( "gold" ) ) )
         {
-            m_CopperColor = to_SFVEC4F( findColor( "Gold", g_FinishColors ) );
+            m_CopperColor = to_SFVEC4F( findColor( wxT( "Gold" ), g_FinishColors ) );
         }
-        else if( finishName.StartsWith( "HAL" )
-              || finishName.StartsWith( "HASL" )
-              || finishName.EndsWith( "tin" )
-              || finishName.EndsWith( "nickel" ) )
+        else if( finishName.StartsWith( wxT( "HAL" ) )
+              || finishName.StartsWith( wxT( "HASL" ) )
+              || finishName.EndsWith( wxT( "tin" ) )
+              || finishName.EndsWith( wxT( "nickel" ) ) )
         {
-            m_CopperColor = to_SFVEC4F( findColor( "Tin", g_FinishColors ) );
+            m_CopperColor = to_SFVEC4F( findColor( wxT( "Tin" ), g_FinishColors ) );
         }
-        else if( finishName.EndsWith( "silver" ) )
+        else if( finishName.EndsWith( wxT( "silver" ) ) )
         {
-            m_CopperColor = to_SFVEC4F( findColor( "Silver", g_FinishColors ) );
+            m_CopperColor = to_SFVEC4F( findColor( wxT( "Silver" ), g_FinishColors ) );
         }
         else
         {
diff --git a/3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp b/3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp
index 88ea51fe08..dcdb71f770 100644
--- a/3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp
+++ b/3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp
@@ -633,7 +633,7 @@ void BOARD_ADAPTER::addShape( const PCB_SHAPE* aShape, CONTAINER_2D_BASE* aConta
     break;
 
     default:
-        wxFAIL_MSG( "BOARD_ADAPTER::addShapeWithClearance no implementation for "
+        wxFAIL_MSG( wxT( "BOARD_ADAPTER::addShapeWithClearance no implementation for " )
                     + aShape->SHAPE_T_asString() );
         break;
     }
diff --git a/3d-viewer/3d_canvas/eda_3d_canvas.cpp b/3d-viewer/3d_canvas/eda_3d_canvas.cpp
index 60d57b3d49..52a9e3ce11 100644
--- a/3d-viewer/3d_canvas/eda_3d_canvas.cpp
+++ b/3d-viewer/3d_canvas/eda_3d_canvas.cpp
@@ -114,7 +114,7 @@ EDA_3D_CANVAS::EDA_3D_CANVAS( wxWindow* aParent, const int* aAttribList,
           m_accelerator3DShapes( nullptr ),
           m_currentRollOverItem( nullptr )
 {
-    wxLogTrace( m_logTrace, "EDA_3D_CANVAS::EDA_3D_CANVAS" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::EDA_3D_CANVAS" ) );
 
     m_editing_timeout_timer.SetOwner( this );
     Connect( m_editing_timeout_timer.GetId(), wxEVT_TIMER,
@@ -167,7 +167,7 @@ EDA_3D_CANVAS::EDA_3D_CANVAS( wxWindow* aParent, const int* aAttribList,
 
 EDA_3D_CANVAS::~EDA_3D_CANVAS()
 {
-    wxLogTrace( m_logTrace, "EDA_3D_CANVAS::~EDA_3D_CANVAS" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::~EDA_3D_CANVAS" ) );
 
     delete m_accelerator3DShapes;
     m_accelerator3DShapes = nullptr;
@@ -214,7 +214,7 @@ void EDA_3D_CANVAS::OnResize( wxSizeEvent& event )
 
 bool  EDA_3D_CANVAS::initializeOpenGL()
 {
-    wxLogTrace( m_logTrace, "EDA_3D_CANVAS::initializeOpenGL" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::initializeOpenGL" ) );
 
     const GLenum err = glewInit();
 
@@ -228,13 +228,13 @@ bool  EDA_3D_CANVAS::initializeOpenGL()
     }
     else
     {
-        wxLogTrace( m_logTrace, "EDA_3D_CANVAS::initializeOpenGL Using GLEW version %s",
+        wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::initializeOpenGL Using GLEW version %s" ),
                     FROM_UTF8( (char*) glewGetString( GLEW_VERSION ) ) );
     }
 
     wxString version = FROM_UTF8( (char *) glGetString( GL_VERSION ) );
 
-    wxLogTrace( m_logTrace, "EDA_3D_CANVAS::%s OpenGL version string %s.",
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::%s OpenGL version string %s." ),
                 __WXFUNCTION__, version );
 
     // Extract OpenGL version from string.  This method is used because prior to OpenGL 2,
@@ -250,7 +250,7 @@ bool  EDA_3D_CANVAS::initializeOpenGL()
 
         tmp = tokenizer.GetNextToken();
 
-        tokenizer.SetString( tmp, wxString( "." ) );
+        tokenizer.SetString( tmp, wxString( wxT( "." ) ) );
 
         if( tokenizer.HasMoreTokens() )
             tokenizer.GetNextToken().ToLong( &major );
@@ -260,7 +260,7 @@ bool  EDA_3D_CANVAS::initializeOpenGL()
 
         if( major < 2 || ( ( major == 2 ) && ( minor < 1 ) ) )
         {
-            wxLogTrace( m_logTrace, "EDA_3D_CANVAS::%s OpenGL ray tracing not supported.",
+            wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::%s OpenGL ray tracing not supported." ),
                         __WXFUNCTION__ );
 
             if( GetParent() )
@@ -274,7 +274,8 @@ bool  EDA_3D_CANVAS::initializeOpenGL()
 
         if( ( major == 1 ) && ( minor < 5 ) )
         {
-            wxLogTrace( m_logTrace, "EDA_3D_CANVAS::%s OpenGL not supported.", __WXFUNCTION__ );
+            wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::%s OpenGL not supported." ),
+                        __WXFUNCTION__ );
 
             m_is_opengl_version_supported = false;
         }
@@ -327,10 +328,10 @@ void EDA_3D_CANVAS::DisplayStatus()
     {
         wxString msg;
 
-        msg.Printf( "dx %3.2f", m_camera.GetCameraPos().x );
+        msg.Printf( wxT( "dx %3.2f" ), m_camera.GetCameraPos().x );
         m_parentStatusBar->SetStatusText( msg, static_cast<int>( EDA_3D_VIEWER_STATUSBAR::X_POS ) );
 
-        msg.Printf( "dy %3.2f", m_camera.GetCameraPos().y );
+        msg.Printf( wxT( "dy %3.2f" ), m_camera.GetCameraPos().y );
         m_parentStatusBar->SetStatusText( msg, static_cast<int>( EDA_3D_VIEWER_STATUSBAR::Y_POS ) );
     }
 }
@@ -351,7 +352,7 @@ void EDA_3D_CANVAS::DoRePaint()
     // SwapBuffer requires the window to be shown before calling
     if( !IsShownOnScreen() )
     {
-        wxLogTrace( m_logTrace, "EDA_3D_CANVAS::DoRePaint !IsShown" );
+        wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::DoRePaint !IsShown" ) );
         m_is_currently_painting.clear();
         return;
     }
@@ -577,7 +578,7 @@ void EDA_3D_CANVAS::OnEvent( wxEvent& aEvent )
 
 void EDA_3D_CANVAS::OnEraseBackground( wxEraseEvent& event )
 {
-    wxLogTrace( m_logTrace, "EDA_3D_CANVAS::OnEraseBackground" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::OnEraseBackground" ) );
     // Do nothing, to avoid flashing.
 }
 
@@ -586,7 +587,7 @@ void EDA_3D_CANVAS::OnMouseWheel( wxMouseEvent& event )
 {
     bool mouseActivity = false;
 
-    wxLogTrace( m_logTrace, "EDA_3D_CANVAS::OnMouseWheel" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_CANVAS::OnMouseWheel" ) );
 
     if( m_camera_is_moving )
         return;
diff --git a/3d-viewer/3d_rendering/buffers_debug.cpp b/3d-viewer/3d_rendering/buffers_debug.cpp
index f4fd89520a..f3b69a0308 100644
--- a/3d-viewer/3d_rendering/buffers_debug.cpp
+++ b/3d-viewer/3d_rendering/buffers_debug.cpp
@@ -41,7 +41,7 @@ static void dbg_save_rgb_buffer( const wxString& aFileName, unsigned char *aRGBp
     wxImage image( aXSize, aYSize );
     image.SetData( aRGBpixelBuffer );
     image = image.Mirror( false );
-    image.SaveFile( aFileName + ".png", wxBITMAP_TYPE_PNG );
+    image.SaveFile( aFileName + wxT( ".png" ), wxBITMAP_TYPE_PNG );
     image.Destroy();
 }
 
diff --git a/3d-viewer/3d_rendering/opengl/create_scene.cpp b/3d-viewer/3d_rendering/opengl/create_scene.cpp
index 026b1f8cbc..5115481cb7 100644
--- a/3d-viewer/3d_rendering/opengl/create_scene.cpp
+++ b/3d-viewer/3d_rendering/opengl/create_scene.cpp
@@ -276,7 +276,7 @@ OPENGL_RENDER_LIST* RENDER_3D_OPENGL::generateHoles( const LIST_OBJECT2D& aListH
                 break;
 
             default:
-                wxFAIL_MSG( "RENDER_3D_OPENGL::generateHoles: Object type is not implemented" );
+                wxFAIL_MSG( wxT( "RENDER_3D_OPENGL::generateHoles: Object type not implemented" ) );
                 break;
             }
         }
@@ -358,7 +358,7 @@ OPENGL_RENDER_LIST* RENDER_3D_OPENGL::generateLayerList( const BVH_CONTAINER_2D*
             break;
 
         default:
-            wxFAIL_MSG( "RENDER_3D_OPENGL: Object type is not implemented" );
+            wxFAIL_MSG( wxT( "RENDER_3D_OPENGL: Object type is not implemented" ) );
             break;
         }
     }
diff --git a/3d-viewer/3d_rendering/post_shader.cpp b/3d-viewer/3d_rendering/post_shader.cpp
index 5fc91f4839..42a5602bef 100644
--- a/3d-viewer/3d_rendering/post_shader.cpp
+++ b/3d-viewer/3d_rendering/post_shader.cpp
@@ -192,9 +192,9 @@ const float& POST_SHADER::GetShadowFactorAt( const SFVEC2I& aPos ) const
 
 void POST_SHADER::DebugBuffersOutputAsImages() const
 {
-    DBG_SaveBuffer( "m_shadow_att_factor", m_shadow_att_factor, m_size.x, m_size.y );
-    DBG_SaveBuffer( "m_color", m_color, m_size.x, m_size.y );
-    DBG_SaveNormalsBuffer( "m_normals", m_normals, m_size.x, m_size.y );
+    DBG_SaveBuffer( wxT( "m_shadow_att_factor" ), m_shadow_att_factor, m_size.x, m_size.y );
+    DBG_SaveBuffer( wxT( "m_color" ), m_color, m_size.x, m_size.y );
+    DBG_SaveNormalsBuffer( wxT( "m_normals" ), m_normals, m_size.x, m_size.y );
 
     // Normalize depth
     float *normalizedDepth = (float*) malloc( m_size.x * m_size.y * sizeof( float ) );
@@ -210,7 +210,7 @@ void POST_SHADER::DebugBuffersOutputAsImages() const
         }
     }
 
-    DBG_SaveBuffer( "m_depthNormalized", normalizedDepth, m_size.x, m_size.y );
+    DBG_SaveBuffer( wxT( "m_depthNormalized" ), normalizedDepth, m_size.x, m_size.y );
 
     free( normalizedDepth );
 }
diff --git a/3d-viewer/3d_rendering/raytracing/render_3d_raytrace.cpp b/3d-viewer/3d_rendering/raytracing/render_3d_raytrace.cpp
index b139e84b40..a2149aefc7 100644
--- a/3d-viewer/3d_rendering/raytracing/render_3d_raytrace.cpp
+++ b/3d-viewer/3d_rendering/raytracing/render_3d_raytrace.cpp
@@ -327,7 +327,7 @@ void RENDER_3D_RAYTRACE::render( GLubyte* ptrPBO, REPORTER* aStatusReporter )
         break;
 
     default:
-        wxASSERT_MSG( false, "Invalid state on m_renderState");
+        wxASSERT_MSG( false, wxT( "Invalid state on m_renderState" ) );
         restartRenderState();
         break;
     }
diff --git a/3d-viewer/3d_viewer/3d_menubar.cpp b/3d-viewer/3d_viewer/3d_menubar.cpp
index 7ec4a40a47..b73db43f59 100644
--- a/3d-viewer/3d_viewer/3d_menubar.cpp
+++ b/3d-viewer/3d_viewer/3d_menubar.cpp
@@ -37,7 +37,7 @@
 
 void EDA_3D_VIEWER_FRAME::CreateMenuBar()
 {
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::CreateMenuBar" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::CreateMenuBar" ) );
 
     COMMON_CONTROL* tool    = m_toolManager->GetTool<COMMON_CONTROL>();
     WX_MENUBAR*     menuBar = new WX_MENUBAR();
@@ -48,12 +48,12 @@ void EDA_3D_VIEWER_FRAME::CreateMenuBar()
     ACTION_MENU* fileMenu = new ACTION_MENU( false, tool );
 
     fileMenu->Add( _( "Export Current View as PNG..." ),
-                   "",
+                   wxEmptyString,
                    ID_MENU_SCREENCOPY_PNG,
                    BITMAPS::export_png );
 
     fileMenu->Add( _( "Export Current View as JPEG..." ),
-                   "",
+                   wxEmptyString,
                    ID_MENU_SCREENCOPY_JPEG,
                    BITMAPS::export_file );
 
@@ -67,7 +67,7 @@ void EDA_3D_VIEWER_FRAME::CreateMenuBar()
     ACTION_MENU* editMenu = new ACTION_MENU( false, tool );
 
     editMenu->Add( _( "Copy 3D Image" ),
-                   "",
+                   wxEmptyString,
                    ID_TOOL_SCREENCOPY_TOCLIBBOARD,
                    BITMAPS::copy );
 
@@ -109,7 +109,7 @@ void EDA_3D_VIEWER_FRAME::CreateMenuBar()
                     BITMAPS::tools,
                     ACTION_MENU::CHECK );
 
-    prefsMenu->Add( _( "Preferences..." ) + "\tCtrl+,",
+    prefsMenu->Add( _( "Preferences..." ) + wxT( "\tCtrl+," ),
                     _( "Show preferences for all open tools" ),
                     wxID_PREFERENCES,
                     BITMAPS::preference );
diff --git a/3d-viewer/3d_viewer/3d_toolbar.cpp b/3d-viewer/3d_viewer/3d_toolbar.cpp
index a6b5199bcd..b34a1ebc26 100644
--- a/3d-viewer/3d_viewer/3d_toolbar.cpp
+++ b/3d-viewer/3d_viewer/3d_toolbar.cpp
@@ -35,7 +35,7 @@
 
 void EDA_3D_VIEWER_FRAME::ReCreateMainToolbar()
 {
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::ReCreateMainToolbar" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::ReCreateMainToolbar" ) );
 
     wxWindowUpdateLocker dummy( this );
 
diff --git a/3d-viewer/3d_viewer/eda_3d_viewer_frame.cpp b/3d-viewer/3d_viewer/eda_3d_viewer_frame.cpp
index 17703d3007..b41717d75b 100644
--- a/3d-viewer/3d_viewer/eda_3d_viewer_frame.cpp
+++ b/3d-viewer/3d_viewer/eda_3d_viewer_frame.cpp
@@ -87,7 +87,7 @@ EDA_3D_VIEWER_FRAME::EDA_3D_VIEWER_FRAME( KIWAY* aKiway, PCB_BASE_FRAME* aParent
         m_mainToolBar( nullptr ), m_canvas( nullptr ), m_currentCamera( m_trackBallCamera ),
         m_trackBallCamera( 2 * RANGE_SCALE_3D ), m_spaceMouse( nullptr )
 {
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::EDA_3D_VIEWER_FRAME %s", aTitle );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::EDA_3D_VIEWER_FRAME %s" ), aTitle );
 
     m_disable_ray_tracing = false;
     m_aboutTitle = _( "KiCad 3D Viewer" );
@@ -298,7 +298,7 @@ void EDA_3D_VIEWER_FRAME::refreshRender()
 
 void EDA_3D_VIEWER_FRAME::Exit3DFrame( wxCommandEvent &event )
 {
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::Exit3DFrame" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::Exit3DFrame" ) );
 
     Close( true );
 }
@@ -306,7 +306,7 @@ void EDA_3D_VIEWER_FRAME::Exit3DFrame( wxCommandEvent &event )
 
 void EDA_3D_VIEWER_FRAME::OnCloseWindow( wxCloseEvent &event )
 {
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::OnCloseWindow" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::OnCloseWindow" ) );
 
     if( m_canvas )
         m_canvas->Close();
@@ -325,7 +325,8 @@ void EDA_3D_VIEWER_FRAME::Process_Special_Functions( wxCommandEvent &event )
     int     id = event.GetId();
     bool    isChecked = event.IsChecked();
 
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::Process_Special_Functions id %d isChecked %d",
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::Process_Special_Functions id %d "
+                                 "isChecked %d" ),
                 id,
                 isChecked );
 
@@ -358,7 +359,7 @@ void EDA_3D_VIEWER_FRAME::Process_Special_Functions( wxCommandEvent &event )
         return;
 
     default:
-        wxFAIL_MSG( "Invalid event in EDA_3D_VIEWER_FRAME::Process_Special_Functions()" );
+        wxFAIL_MSG( wxT( "Invalid event in EDA_3D_VIEWER_FRAME::Process_Special_Functions()" ) );
         return;
     }
 }
@@ -373,9 +374,11 @@ void EDA_3D_VIEWER_FRAME::OnRenderEngineSelection( wxCommandEvent &event )
     else
         m_boardAdapter.m_Cfg->m_Render.engine = RENDER_ENGINE::OPENGL;
 
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::OnRenderEngineSelection type %s ",
-                m_boardAdapter.m_Cfg->m_Render.engine == RENDER_ENGINE::RAYTRACING ? "raytracing"
-                                                                                   : "realtime" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::OnRenderEngineSelection type %s " ),
+                m_boardAdapter.m_Cfg->m_Render.engine == RENDER_ENGINE::RAYTRACING ?
+                                                                          wxT( "raytracing" )
+                                                                          :
+                                                                          wxT( "realtime" ) );
 
     if( old_engine != m_boardAdapter.m_Cfg->m_Render.engine )
         RenderEngineChanged();
@@ -384,7 +387,8 @@ void EDA_3D_VIEWER_FRAME::OnRenderEngineSelection( wxCommandEvent &event )
 
 void EDA_3D_VIEWER_FRAME::OnDisableRayTracing( wxCommandEvent& aEvent )
 {
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::%s disabling ray tracing.", __WXFUNCTION__ );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::%s disabling ray tracing." ),
+                __WXFUNCTION__ );
 
     m_disable_ray_tracing = true;
     m_boardAdapter.m_Cfg->m_Render.engine = RENDER_ENGINE::OPENGL;
@@ -393,7 +397,7 @@ void EDA_3D_VIEWER_FRAME::OnDisableRayTracing( wxCommandEvent& aEvent )
 
 void EDA_3D_VIEWER_FRAME::OnActivate( wxActivateEvent &aEvent )
 {
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::OnActivate" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::OnActivate" ) );
 
     if( aEvent.GetActive() && m_canvas )
     {
@@ -434,7 +438,7 @@ void EDA_3D_VIEWER_FRAME::LoadSettings( APP_SETTINGS_BASE *aCfg )
     EDA_3D_VIEWER_SETTINGS* cfg = dynamic_cast<EDA_3D_VIEWER_SETTINGS*>( aCfg );
     wxASSERT( cfg );
 
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::LoadSettings" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::LoadSettings" ) );
 
     if( cfg )
     {
@@ -446,8 +450,9 @@ void EDA_3D_VIEWER_FRAME::LoadSettings( APP_SETTINGS_BASE *aCfg )
 #if 0
         RENDER_ENGINE engine = static_cast<RENDER_ENGINE>( cfg->m_Render.engine );
         wxLogTrace( m_logTrace, engine == RENDER_ENGINE::RAYTRACING ?
-                                "EDA_3D_VIEWER_FRAME::LoadSettings render setting Ray Trace" :
-                                "EDA_3D_VIEWER_FRAME::LoadSettings render setting OpenGL" );
+                                wxT( "EDA_3D_VIEWER_FRAME::LoadSettings render setting Ray Trace" )
+                                :
+                                wxT( "EDA_3D_VIEWER_FRAME::LoadSettings render setting OpenGL" ) );
 #else
         m_boardAdapter.m_Cfg->m_Render.engine = RENDER_ENGINE::OPENGL;
 #endif
@@ -467,11 +472,12 @@ void EDA_3D_VIEWER_FRAME::SaveSettings( APP_SETTINGS_BASE *aCfg )
 
     EDA_BASE_FRAME::SaveSettings( cfg );
 
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::SaveSettings" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::SaveSettings" ) );
 
     wxLogTrace( m_logTrace, m_boardAdapter.m_Cfg->m_Render.engine == RENDER_ENGINE::RAYTRACING ?
-                            "EDA_3D_VIEWER_FRAME::SaveSettings render setting Ray Trace" :
-                            "EDA_3D_VIEWER_FRAME::SaveSettings render setting OpenGL" );
+                               wxT( "EDA_3D_VIEWER_FRAME::SaveSettings render setting Ray Trace" )
+                               :
+                               wxT( "EDA_3D_VIEWER_FRAME::SaveSettings render setting OpenGL" ) );
 
     if( cfg )
     {
@@ -487,7 +493,7 @@ void EDA_3D_VIEWER_FRAME::SaveSettings( APP_SETTINGS_BASE *aCfg )
 
 void EDA_3D_VIEWER_FRAME::CommonSettingsChanged( bool aEnvVarsChanged, bool aTextVarsChanged )
 {
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::CommonSettingsChanged" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::CommonSettingsChanged" ) );
 
     // Regen menu bars, etc
     EDA_BASE_FRAME::CommonSettingsChanged( aEnvVarsChanged, aTextVarsChanged );
@@ -597,7 +603,7 @@ void EDA_3D_VIEWER_FRAME::takeScreenshot( wxCommandEvent& event )
 
 void EDA_3D_VIEWER_FRAME::RenderEngineChanged()
 {
-    wxLogTrace( m_logTrace, "EDA_3D_VIEWER_FRAME::RenderEngineChanged()" );
+    wxLogTrace( m_logTrace, wxT( "EDA_3D_VIEWER_FRAME::RenderEngineChanged()" ) );
 
     if( m_canvas )
         m_canvas->RenderEngineChanged();
@@ -606,7 +612,7 @@ void EDA_3D_VIEWER_FRAME::RenderEngineChanged()
 
 void EDA_3D_VIEWER_FRAME::loadCommonSettings()
 {
-    wxCHECK_RET( m_canvas, "Cannot load settings to null canvas" );
+    wxCHECK_RET( m_canvas, wxT( "Cannot load settings to null canvas" ) );
 
     COMMON_SETTINGS* settings = Pgm().GetCommonSettings();
 
diff --git a/3d-viewer/3d_viewer/tools/eda_3d_actions.cpp b/3d-viewer/3d_viewer/tools/eda_3d_actions.cpp
index 299c528d16..8508cf22e2 100644
--- a/3d-viewer/3d_viewer/tools/eda_3d_actions.cpp
+++ b/3d-viewer/3d_viewer/tools/eda_3d_actions.cpp
@@ -202,21 +202,18 @@ TOOL_ACTION EDA_3D_ACTIONS::materialCAD( "3DViewer.Control.materialCAD",
         _( "Use a CAD color style based on the diffuse color of the material" ),
         BITMAPS::INVALID_BITMAP, AF_NONE, (void*) MATERIAL_MODE::CAD_MODE );
 
-TOOL_ACTION EDA_3D_ACTIONS::rotate45axisZ( "3DViewer.Control.rotate45axisZ",
-        AS_ACTIVE,
-        WXK_TAB, "",
-        "Rotate 45 degrees over Z axis" );
-
 TOOL_ACTION EDA_3D_ACTIONS::showTHT( "3DViewer.Control.attributesTHT",
         AS_ACTIVE,
         'T', "",
-        _( "Toggle Through Hole 3D models" ), _( "Toggle 3D models for 'Through hole' type components" ),
+        _( "Toggle Through Hole 3D models" ),
+        _( "Toggle 3D models for 'Through hole' type components" ),
         BITMAPS::show_tht, AF_NONE );
 
 TOOL_ACTION EDA_3D_ACTIONS::showSMD( "3DViewer.Control.attributesSMD",
         AS_ACTIVE,
         'S', "",
-        _( "Toggle SMD 3D models" ), _( "Toggle 3D models for 'Surface mount' type components" ),
+        _( "Toggle SMD 3D models" ),
+        _( "Toggle 3D models for 'Surface mount' type components" ),
         BITMAPS::show_smt, AF_NONE );
 
 TOOL_ACTION EDA_3D_ACTIONS::showVirtual( "3DViewer.Control.attributesOther",
diff --git a/3d-viewer/3d_viewer/tools/eda_3d_actions.h b/3d-viewer/3d_viewer/tools/eda_3d_actions.h
index 94310ffd3d..1e97551cd6 100644
--- a/3d-viewer/3d_viewer/tools/eda_3d_actions.h
+++ b/3d-viewer/3d_viewer/tools/eda_3d_actions.h
@@ -75,7 +75,6 @@ public:
     static TOOL_ACTION materialDiffuse;
     static TOOL_ACTION materialCAD;
 
-    static TOOL_ACTION rotate45axisZ;
     static TOOL_ACTION showTHT;
     static TOOL_ACTION showSMD;
     static TOOL_ACTION showVirtual;
diff --git a/3d-viewer/dialogs/panel_preview_3d_model.cpp b/3d-viewer/dialogs/panel_preview_3d_model.cpp
index 8ea9819db4..95397009f2 100644
--- a/3d-viewer/dialogs/panel_preview_3d_model.cpp
+++ b/3d-viewer/dialogs/panel_preview_3d_model.cpp
@@ -166,7 +166,7 @@ void PANEL_PREVIEW_3D_MODEL::OnMenuEvent( wxMenuEvent& aEvent )
 
 void PANEL_PREVIEW_3D_MODEL::loadSettings()
 {
-    wxCHECK_RET( m_previewPane, "Cannot load settings to null canvas" );
+    wxCHECK_RET( m_previewPane, wxT( "Cannot load settings to null canvas" ) );
 
     COMMON_SETTINGS* settings = Pgm().GetCommonSettings();
 
diff --git a/pcbnew/plugins/cadstar/cadstar_pcb_archive_loader.cpp b/pcbnew/plugins/cadstar/cadstar_pcb_archive_loader.cpp
index 3b19332f36..ac58ab8d8a 100644
--- a/pcbnew/plugins/cadstar/cadstar_pcb_archive_loader.cpp
+++ b/pcbnew/plugins/cadstar/cadstar_pcb_archive_loader.cpp
@@ -1254,8 +1254,9 @@ PAD*& CADSTAR_PCB_ARCHIVE_LOADER::getPadReference( FOOTPRINT*   aFootprint,
 
     if( !( index < aFootprint->Pads().size() ) )
     {
-        THROW_IO_ERROR( _( "Unable to find pad index '%d' in footprint '%s'.", (long) aCadstarPadID,
-                           aFootprint->GetReference() ) );
+        THROW_IO_ERROR( wxString::Format( _( "Unable to find pad index '%d' in footprint '%s'." ),
+                                          (long) aCadstarPadID,
+                                          aFootprint->GetReference() ) );
     }
 
     return aFootprint->Pads().at( index );