Sort out terminology issues between vectors and plots.

eeschema/sim/ngspice.cpp

@@ -84,6 +84,12 @@ void NGSPICE::Init( const SPICE_SIMULATOR_SETTINGS* aSettings )
 }
 
 
+wxString NGSPICE::CurrentPlotName() const
+{
+    return wxString( m_ngSpice_CurPlot() );
+}
+
+
 std::vector<std::string> NGSPICE::AllVectors() const
 {
     LOCALE_IO c_locale; // ngspice works correctly only with C locale
@@ -112,7 +118,7 @@ std::vector<std::string> NGSPICE::AllVectors() const
 }
 
 
-std::vector<COMPLEX> NGSPICE::GetPlot( const std::string& aName, int aMaxLen )
+std::vector<COMPLEX> NGSPICE::GetComplexVector( const std::string& aName, int aMaxLen )
 {
     LOCALE_IO            c_locale;       // ngspice works correctly only with C locale
     std::vector<COMPLEX> data;
@@ -139,7 +145,7 @@ std::vector<COMPLEX> NGSPICE::GetPlot( const std::string& aName, int aMaxLen )
 }
 
 
-std::vector<double> NGSPICE::GetRealPlot( const std::string& aName, int aMaxLen )
+std::vector<double> NGSPICE::GetRealVector( const std::string& aName, int aMaxLen )
 {
     LOCALE_IO           c_locale;       // ngspice works correctly only with C locale
     std::vector<double> data;
@@ -169,7 +175,7 @@ std::vector<double> NGSPICE::GetRealPlot( const std::string& aName, int aMaxLen
 }
 
 
-std::vector<double> NGSPICE::GetImagPlot( const std::string& aName, int aMaxLen )
+std::vector<double> NGSPICE::GetImaginaryVector( const std::string& aName, int aMaxLen )
 {
     LOCALE_IO           c_locale;       // ngspice works correctly only with C locale
     std::vector<double> data;
@@ -191,7 +197,7 @@ std::vector<double> NGSPICE::GetImagPlot( const std::string& aName, int aMaxLen
 }
 
 
-std::vector<double> NGSPICE::GetMagPlot( const std::string& aName, int aMaxLen )
+std::vector<double> NGSPICE::GetGainVector( const std::string& aName, int aMaxLen )
 {
     LOCALE_IO           c_locale;       // ngspice works correctly only with C locale
     std::vector<double> data;
@@ -218,7 +224,7 @@ std::vector<double> NGSPICE::GetMagPlot( const std::string& aName, int aMaxLen )
 }
 
 
-std::vector<double> NGSPICE::GetPhasePlot( const std::string& aName, int aMaxLen )
+std::vector<double> NGSPICE::GetPhaseVector( const std::string& aName, int aMaxLen )
 {
     LOCALE_IO c_locale;       // ngspice works correctly only with C locale
     std::vector<double> data;

eeschema/sim/ngspice.h

@@ -80,23 +80,26 @@ public:
     ///< @copydoc SPICE_SIMULATOR::GetXAxis()
     wxString GetXAxis( SIM_TYPE aType ) const override final;
 
+    ///< @copydoc SPICE_SIMULATOR::CurrentPlotName()
+    wxString CurrentPlotName() const override final;
+
     ///< @copydoc SPICE_SIMULATOR::AllVectors()
     std::vector<std::string> AllVectors() const override final;
 
-    ///< @copydoc SPICE_SIMULATOR::GetPlot()
+    ///< @copydoc SPICE_SIMULATOR::GetComplexVector()
-    std::vector<COMPLEX> GetPlot( const std::string& aName, int aMaxLen = -1 ) override final;
+    std::vector<COMPLEX> GetComplexVector( const std::string& aName, int aMaxLen = -1 ) override final;
 
-    ///< @copydoc SPICE_SIMULATOR::GetRealPlot()
+    ///< @copydoc SPICE_SIMULATOR::GetRealVector()
-    std::vector<double> GetRealPlot( const std::string& aName, int aMaxLen = -1 ) override final;
+    std::vector<double> GetRealVector( const std::string& aName, int aMaxLen = -1 ) override final;
 
-    ///< @copydoc SPICE_SIMULATOR::GetImagPlot()
+    ///< @copydoc SPICE_SIMULATOR::GetImaginaryVector()
-    std::vector<double> GetImagPlot( const std::string& aName, int aMaxLen = -1 ) override final;
+    std::vector<double> GetImaginaryVector( const std::string& aName, int aMaxLen = -1 ) override final;
 
-    ///< @copydoc SPICE_SIMULATOR::GetMagPlot()
+    ///< @copydoc SPICE_SIMULATOR::GetGainVector()
-    std::vector<double> GetMagPlot( const std::string& aName, int aMaxLen = -1 ) override final;
+    std::vector<double> GetGainVector( const std::string& aName, int aMaxLen = -1 ) override final;
 
-    ///< @copydoc SPICE_SIMULATOR::GetPhasePlot()
+    ///< @copydoc SPICE_SIMULATOR::GetPhaseVector()
-    std::vector<double> GetPhasePlot( const std::string& aName, int aMaxLen = -1 ) override final;
+    std::vector<double> GetPhaseVector( const std::string& aName, int aMaxLen = -1 ) override final;
 
     std::vector<std::string> GetSettingCommands() const override final;
 

eeschema/sim/sim_plot_panel.h

@@ -145,7 +145,7 @@ public:
 
         mpFXYVector::SetName( aName );
 
-        if( m_type & SPT_AC_MAG )
+        if( m_type & SPT_AC_GAIN )
             m_displayName = aName + _( " (gain)" );
         else if( m_type & SPT_AC_PHASE )
             m_displayName = aName + _( " (phase)" );

eeschema/sim/sim_types.h

@@ -50,7 +50,7 @@ enum SIM_TRACE_TYPE
     SPT_VOLTAGE       = 0x0001,
     SPT_CURRENT       = 0x0002,
     SPT_AC_PHASE      = 0x0004,
-    SPT_AC_MAG        = 0x0008,
+    SPT_AC_GAIN       = 0x0008,
     SPT_POWER         = 0x0010,
     SPT_SP_AMP        = 0x0020,
     SPT_Y_AXIS_MASK   = 0x00FF,

eeschema/sim/simulator_panel.cpp

@@ -908,7 +908,7 @@ wxString SIMULATOR_PANEL::vectorNameFromSignalName( const wxString& aSignalName,
 {
     std::map<wxString, int> suffixes;
     suffixes[ _( " (amplitude)" ) ] = SPT_SP_AMP;
-    suffixes[ _( " (gain)" ) ] = SPT_AC_MAG;
+    suffixes[ _( " (gain)" ) ] = SPT_AC_GAIN;
     suffixes[ _( " (phase)" ) ] = SPT_AC_PHASE;
 
     if( aTraceType )
@@ -1234,7 +1234,7 @@ void SIMULATOR_PANEL::UpdateMeasurement( int aRow )
         simulator()->Command( "echo " + cmd.ToStdString() );
         simulator()->Command( cmd.ToStdString() );
 
-        std::vector<double> resultVec = simulator()->GetMagPlot( resultName.ToStdString() );
+        std::vector<double> resultVec = simulator()->GetGainVector( resultName.ToStdString() );
 
         if( resultVec.size() > 0 )
             result = SPICE_VALUE( resultVec[0] ).ToString( GetMeasureFormat( aRow ) );
@@ -1410,12 +1410,12 @@ void SIMULATOR_PANEL::AddTrace( const wxString& aName, SIM_TRACE_TYPE aType )
 
     if( simType == ST_AC )
     {
-        updateTrace( aName, aType | SPT_AC_MAG, plotPanel );
+        updateTrace( aName, aType | SPT_AC_GAIN, plotPanel );
         updateTrace( aName, aType | SPT_AC_PHASE, plotPanel );
     }
     if( simType == ST_S_PARAM )
     {
-        updateTrace( aName, aType | SPT_AC_MAG, plotPanel );
+        updateTrace( aName, aType | SPT_AC_GAIN, plotPanel );
         updateTrace( aName, aType | SPT_AC_PHASE, plotPanel );
     }
     else
@@ -1446,7 +1446,7 @@ void SIMULATOR_PANEL::SetUserDefinedSignals( const std::map<int, wxString>& aNew
             {
                 if( plotPanel->GetSimType() == ST_AC )
                 {
-                    for( int subType : { SPT_AC_MAG, SPT_AC_PHASE } )
+                    for( int subType : { SPT_AC_GAIN, SPT_AC_PHASE } )
                         plotPanel->DeleteTrace( vectorName, traceType | subType );
                 }
                 else if( plotPanel->GetSimType() == ST_S_PARAM )
@@ -1463,7 +1463,7 @@ void SIMULATOR_PANEL::SetUserDefinedSignals( const std::map<int, wxString>& aNew
             {
                 if( plotPanel->GetSimType() == ST_AC )
                 {
-                    for( int subType : { SPT_AC_MAG, SPT_AC_PHASE } )
+                    for( int subType : { SPT_AC_GAIN, SPT_AC_PHASE } )
                     {
                         if( TRACE* trace = plotPanel->GetTrace( vectorName, traceType | subType ) )
                             trace->SetName( aNewSignals.at( id ) );
@@ -1529,24 +1529,24 @@ void SIMULATOR_PANEL::updateTrace( const wxString& aVectorName, int aTraceType,
     std::vector<double> data_x;
     std::vector<double> data_y;
 
-    data_x = simulator()->GetMagPlot( (const char*) xAxisName.c_str() );
+    data_x = simulator()->GetGainVector( (const char*) xAxisName.c_str() );
 
     switch( simType )
     {
     case ST_AC:
-        if( aTraceType & SPT_AC_MAG )
+        if( aTraceType & SPT_AC_GAIN )
-            data_y = simulator()->GetMagPlot( (const char*) simVectorName.c_str() );
+            data_y = simulator()->GetGainVector( (const char*) simVectorName.c_str() );
         else if( aTraceType & SPT_AC_PHASE )
-            data_y = simulator()->GetPhasePlot( (const char*) simVectorName.c_str() );
+            data_y = simulator()->GetPhaseVector( (const char*) simVectorName.c_str() );
         else
             wxFAIL_MSG( wxT( "Plot type missing AC_PHASE or AC_MAG bit" ) );
 
         break;
     case ST_S_PARAM:
         if( aTraceType & SPT_SP_AMP )
-            data_y = simulator()->GetMagPlot( (const char*) simVectorName.c_str() );
+            data_y = simulator()->GetGainVector( (const char*) simVectorName.c_str() );
         else if( aTraceType & SPT_AC_PHASE )
-            data_y = simulator()->GetPhasePlot( (const char*) simVectorName.c_str() );
+            data_y = simulator()->GetPhaseVector( (const char*) simVectorName.c_str() );
         else
             wxFAIL_MSG( wxT( "Plot type missing AC_PHASE or SPT_SP_AMP bit" ) );
 
@@ -1555,7 +1555,7 @@ void SIMULATOR_PANEL::updateTrace( const wxString& aVectorName, int aTraceType,
     case ST_NOISE:
     case ST_DC:
     case ST_TRANSIENT:
-        data_y = simulator()->GetMagPlot( (const char*) simVectorName.c_str() );
+        data_y = simulator()->GetGainVector( (const char*) simVectorName.c_str() );
         break;
 
     default:
@@ -2524,11 +2524,14 @@ void SIMULATOR_PANEL::OnSimRefresh( bool aFinal )
             m_simConsole->AppendText( _( "\n\nSimulation results:\n\n" ) );
             m_simConsole->SetInsertionPointEnd();
 
+            // The simulator will create noise1 & noise2 on the first run, noise3 and noise4
+            // on the second, etc.  The first plot for each run contains the spectral density
+            // noise vectors and second contains the integrated noise.
             simulator()->Command( "setplot noise2" );
 
             for( const std::string& vec : simulator()->AllVectors() )
             {
-                std::vector<double> val_list = simulator()->GetRealPlot( vec, 1 );
+                std::vector<double> val_list = simulator()->GetRealVector( vec, 1 );
                 wxString            value = SPICE_VALUE( val_list[ 0 ] ).ToSpiceString();
 
                 msg.Printf( wxS( "%s: %sV\n" ), vec, value );
@@ -2556,7 +2559,7 @@ void SIMULATOR_PANEL::OnSimRefresh( bool aFinal )
 
             if( simType == ST_AC )
             {
-                for( int subType : { SPT_AC_MAG, SPT_AC_PHASE } )
+                for( int subType : { SPT_AC_GAIN, SPT_AC_PHASE } )
                 {
                     if( TRACE* trace = plotPanel->GetTrace( vectorName, traceType | subType ) )
                         traceMap[ trace ] = { vectorName, traceType };
@@ -2608,7 +2611,7 @@ void SIMULATOR_PANEL::OnSimRefresh( bool aFinal )
 
         for( const std::string& vec : simulator()->AllVectors() )
         {
-            std::vector<double> val_list = simulator()->GetRealPlot( vec, 1 );
+            std::vector<double> val_list = simulator()->GetRealVector( vec, 1 );
             wxString            value = SPICE_VALUE( val_list[ 0 ] ).ToSpiceString();
             wxString            signal;
             SIM_TRACE_TYPE      type = circuitModel()->VectorToSignal( vec, signal );

eeschema/sim/spice_simulator.cpp

@@ -28,6 +28,7 @@
 // Include simulator headers after wxWidgets headers to avoid conflicts with Windows headers
 // (especially on msys2 + wxWidgets 3.0.x)
 #include "ngspice.h"
+#include "macros.h"
 
 std::shared_ptr<SPICE_SIMULATOR> SIMULATOR::CreateInstance( const std::string& )
 {
@@ -53,44 +54,19 @@ wxString SPICE_SIMULATOR::TypeToName( SIM_TYPE aType, bool aShortName )
 {
     switch( aType )
     {
-    case ST_OP:
+    case ST_OP:          return aShortName ? wxString( wxT( "OP" ) )    : _( "Operating Point" );
-        return aShortName ? wxString( wxT( "OP" ) )
+    case ST_AC:          return aShortName ? wxString( wxT( "AC" ) )    : _( "AC" );
-                                      : _( "Operating Point" );
+    case ST_DC:          return aShortName ? wxString( wxT( "DC" ) )    : _( "DC Sweep" );
-
+    case ST_TRANSIENT:   return aShortName ? wxString( wxT( "TRAN" ) )  : _( "Transient" );
-    case ST_AC:
+    case ST_DISTORTION:  return aShortName ? wxString( wxT( "DISTO" ) ) : _( "Distortion" );
-        return "AC";
+    case ST_NOISE:       return aShortName ? wxString( wxT( "NOISE" ) ) : _( "Noise" );
-
+    case ST_POLE_ZERO:   return aShortName ? wxString( wxT( "PZ" ) )    : _( "Pole-zero" );
-    case ST_DC:
+    case ST_SENSITIVITY: return aShortName ? wxString( wxT( "SENS" ) )  : _( "Sensitivity" );
-        return aShortName ? wxString( wxT( "DC" ) )
+    case ST_TRANS_FUNC:  return aShortName ? wxString( wxT( "TF" ) )    : _( "Transfer function" );
-                                      : _( "DC Sweep" );
-
-    case ST_TRANSIENT:
-        return aShortName ? wxString( wxT( "TRAN" ) )
-                                      : _( "Transient" );
-
-    case ST_DISTORTION:
-        return aShortName ? wxString( wxT( "DISTO" ) )
-                                      : _( "Distortion" );
-
-    case ST_NOISE:
-        return aShortName ? wxString( wxT( "NOISE" ) )
-                                      : _( "Noise" );
-
-    case ST_POLE_ZERO:
-        return aShortName ? wxString( wxT( "PZ" ) )
-                                      : _( "Pole-zero" );
-
-    case ST_SENSITIVITY:
-        return aShortName ? wxString( wxT( "SENS" ) )
-                                      : _( "Sensitivity" );
-
-    case ST_TRANS_FUNC:
-        return aShortName ? wxString( wxT( "TF" ) )
-                                      : _( "Transfer function" );
     case ST_S_PARAM:     return aShortName ? wxString( wxT( "SP" ) )    : _( "S-Parameters" );
-
     default:
-    case ST_UNKNOWN:
+    case ST_UNKNOWN:     return aShortName ? wxString( wxT( "??" ) )    : _( "Unknown" );
-        return aShortName ? _( "UNKNOWN!" ) : _( "Unknown" );
     }
 }
+
+

eeschema/sim/spice_simulator.h

@@ -87,9 +87,12 @@ public:
     }
 
     /**
-     * Return a list with all vectors generated in current simulation.
+     * @return the current simulation plot name (tran1, tran2, etc.)
-     *
+     */
-     * @return List of vector names. ?May not match to the net name elements.
+    virtual wxString CurrentPlotName() const = 0;
+
+    /**
+     * @return list of simulation vector (signal) names.
      */
     virtual std::vector<std::string> AllVectors() const = 0;
 
@@ -102,7 +105,7 @@ public:
      * if -1 (default) all available values are returned.
      * @return Requested vector. It might be empty if there is no vector with requested name.
      */
-    virtual std::vector<COMPLEX> GetPlot( const std::string& aName, int aMaxLen = -1 ) = 0;
+    virtual std::vector<COMPLEX> GetComplexVector( const std::string& aName, int aMaxLen = -1 ) = 0;
 
     /**
      * Return a requested vector with real values. If the vector is complex, then
@@ -113,7 +116,7 @@ public:
      * if -1 (default) all available values are returned.
      * @return Requested vector. It might be empty if there is no vector with requested name.
      */
-    virtual std::vector<double> GetRealPlot( const std::string& aName, int aMaxLen = -1 ) = 0;
+    virtual std::vector<double> GetRealVector( const std::string& aName, int aMaxLen = -1 ) = 0;
 
     /**
      * Return a requested vector with imaginary values. If the vector is complex, then
@@ -124,7 +127,7 @@ public:
      * if -1 (default) all available values are returned.
      * @return Requested vector. It might be empty if there is no vector with requested name.
      */
-    virtual std::vector<double> GetImagPlot( const std::string& aName, int aMaxLen = -1 ) = 0;
+    virtual std::vector<double> GetImaginaryVector( const std::string& aName, int aMaxLen = -1 ) = 0;
 
     /**
      * Return a requested vector with magnitude values.
@@ -134,7 +137,7 @@ public:
      * if -1 (default) all available values are returned.
      * @return Requested vector. It might be empty if there is no vector with requested name.
      */
-    virtual std::vector<double> GetMagPlot( const std::string& aName, int aMaxLen = -1 ) = 0;
+    virtual std::vector<double> GetGainVector( const std::string& aName, int aMaxLen = -1 ) = 0;
 
     /**
      * Return a requested vector with phase values.
@@ -144,7 +147,7 @@ public:
      * if -1 (default) all available values are returned.
      * @return Requested vector. It might be empty if there is no vector with requested name.
      */
-    virtual std::vector<double> GetPhasePlot( const std::string& aName, int aMaxLen = -1 ) = 0;
+    virtual std::vector<double> GetPhaseVector( const std::string& aName, int aMaxLen = -1 ) = 0;
 
     /**
      * Return current SPICE netlist used by the simulator.

eeschema/tools/ee_actions.cpp

@@ -1195,14 +1195,20 @@ TOOL_ACTION EE_ACTIONS::simTune( "eeschema.Simulation.tune",
         _( "Add Tuned Value..." ), _( "Select a value to be tuned" ),
         BITMAPS::sim_tune );
 
+TOOL_ACTION EE_ACTIONS::editUserDefinedSignals( "eeschema.Simulation.editUserDefinedSignals",
+        AS_GLOBAL, 0, "",
+        _( "User-defined Signals..." ),
+        _( "Add, edit or delete user-defined simulation signals" ),
+        BITMAPS::sim_add_signal );
+
+TOOL_ACTION EE_ACTIONS::showFFT( "eeschema.Simulation.showFFT",
+        AS_GLOBAL, 0, "",
+        _( "Show FFT" ),
+        _( "Show frequency distribution of transient analysis data using fast Fourier transform" ),
+        BITMAPS::mw_add_shape );
+
 TOOL_ACTION EE_ACTIONS::showNetlist( "eeschema.Simulation.showNetlist",
         AS_GLOBAL, 0, "",
         _( "Show SPICE Netlist" ), "",
         BITMAPS::netlist );
 
-TOOL_ACTION EE_ACTIONS::editUserDefinedSignals( "eeschema.Simulation.editUserDefinedSignals",
-        AS_GLOBAL, 0, "",
-        _( "User-defined Signals" ),
-        _( "Add, edit or delete user-defined simulation signals" ),
-        BITMAPS::sim_add_signal );
-

eeschema/tools/ee_actions.h

@@ -277,6 +277,7 @@ public:
     static TOOL_ACTION runSimulation;
     static TOOL_ACTION stopSimulation;
     static TOOL_ACTION editUserDefinedSignals;
+    static TOOL_ACTION showFFT;
     static TOOL_ACTION showNetlist;
 
     // Net highlighting

qa/tests/spice/test_netlist_exporter_spice.h

@@ -193,7 +193,7 @@ public:
         {
             NGSPICE* ngspice = static_cast<NGSPICE*>( m_simulator.get() );
 
-            std::vector<double> vector = ngspice->GetRealPlot( aVectorName );
+            std::vector<double> vector = ngspice->GetRealVector( aVectorName );
 
             BOOST_REQUIRE_EQUAL( vector.size(), 1 );
 
@@ -214,7 +214,7 @@ public:
         {
             NGSPICE* ngspice = static_cast<NGSPICE*>( m_simulator.get() );
 
-            std::vector<double> xVector = ngspice->GetRealPlot( aXVectorName );
+            std::vector<double> xVector = ngspice->GetRealVector( aXVectorName );
             std::size_t i = 0;
 
             for(; i < xVector.size(); ++i )
@@ -237,7 +237,7 @@ public:
 
             for( auto& [vectorName, refValue] : aTestVectorsAndValues )
             {
-                std::vector<double> yVector = ngspice->GetMagPlot( vectorName );
+                std::vector<double> yVector = ngspice->GetGainVector( vectorName );
 
                 BOOST_REQUIRE_GE( yVector.size(), i + 1 );