1791 lines
59 KiB
C++
1791 lines
59 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2022 Mark Roszko <mark.roszko@gmail.com>
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* Copyright (C) 2016 Cirilo Bernardo <cirilo.bernardo@gmail.com>
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* Copyright (C) 2016-2024 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <algorithm>
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#include <cmath>
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#include <sstream>
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#include <string>
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#include <utility>
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#include <wx/filename.h>
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#include <wx/filefn.h>
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#include <wx/stdpaths.h>
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#include <wx/wfstream.h>
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#include <wx/zipstrm.h>
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#include <decompress.hpp>
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#include <footprint.h>
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#include <pad.h>
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#include <pcb_track.h>
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#include <kiplatform/io.h>
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#include <string_utils.h>
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#include <build_version.h>
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#include <geometry/shape_segment.h>
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#include "step_pcb_model.h"
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#include "streamwrapper.h"
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#include <IGESCAFControl_Reader.hxx>
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#include <IGESCAFControl_Writer.hxx>
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#include <IGESControl_Controller.hxx>
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#include <IGESData_GlobalSection.hxx>
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#include <IGESData_IGESModel.hxx>
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#include <Interface_Static.hxx>
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#include <Quantity_Color.hxx>
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#include <STEPCAFControl_Reader.hxx>
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#include <STEPCAFControl_Writer.hxx>
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#include <APIHeaderSection_MakeHeader.hxx>
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#include <Standard_Version.hxx>
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#include <TCollection_ExtendedString.hxx>
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#include <TDataStd_Name.hxx>
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#include <TDataStd_TreeNode.hxx>
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#include <TDF_LabelSequence.hxx>
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#include <TDF_ChildIterator.hxx>
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#include <TopExp_Explorer.hxx>
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#include <XCAFDoc.hxx>
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#include <XCAFDoc_DocumentTool.hxx>
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#include <XCAFDoc_ColorTool.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepMesh_IncrementalMesh.hxx>
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#include <BRepBuilderAPI.hxx>
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#include <BRepBuilderAPI_MakeEdge.hxx>
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#include <BRepBuilderAPI_Transform.hxx>
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#include <BRepBuilderAPI_GTransform.hxx>
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#include <BRepBuilderAPI_MakeFace.hxx>
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#include <BRepPrimAPI_MakePrism.hxx>
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#include <BRepPrimAPI_MakeCylinder.hxx>
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#include <BRepAlgoAPI_Cut.hxx>
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#include <BRepBndLib.hxx>
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#include <Bnd_BoundSortBox.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Wire.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopoDS_Compound.hxx>
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#include <TopoDS_Builder.hxx>
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#include <Standard_Failure.hxx>
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#include <Geom_Curve.hxx>
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#include <Geom_BezierCurve.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Circ.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Pnt.hxx>
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#include <GC_MakeArcOfCircle.hxx>
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#include <GC_MakeCircle.hxx>
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#include <RWGltf_CafWriter.hxx>
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#include <macros.h>
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static constexpr double USER_PREC = 1e-4;
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static constexpr double USER_ANGLE_PREC = 1e-6;
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// nominal offset from the board
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static constexpr double BOARD_OFFSET = 0.05;
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// supported file types for 3D models
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enum MODEL3D_FORMAT_TYPE
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{
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FMT_NONE,
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FMT_STEP,
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FMT_STEPZ,
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FMT_IGES,
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FMT_EMN,
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FMT_IDF,
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FMT_WRL,
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FMT_WRZ
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};
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MODEL3D_FORMAT_TYPE fileType( const char* aFileName )
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{
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wxFileName lfile( wxString::FromUTF8Unchecked( aFileName ) );
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if( !lfile.FileExists() )
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{
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wxString msg;
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msg.Printf( wxT( " * fileType(): no such file: %s\n" ),
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wxString::FromUTF8Unchecked( aFileName ) );
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ReportMessage( msg );
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return FMT_NONE;
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}
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wxString ext = lfile.GetExt().Lower();
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if( ext == wxT( "wrl" ) )
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return FMT_WRL;
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if( ext == wxT( "wrz" ) )
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return FMT_WRZ;
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if( ext == wxT( "idf" ) )
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return FMT_IDF; // component outline
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if( ext == wxT( "emn" ) )
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return FMT_EMN; // PCB assembly
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if( ext == wxT( "stpz" ) || ext == wxT( "gz" ) )
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return FMT_STEPZ;
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OPEN_ISTREAM( ifile, aFileName );
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if( ifile.fail() )
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return FMT_NONE;
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char iline[82];
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memset( iline, 0, 82 );
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ifile.getline( iline, 82 );
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CLOSE_STREAM( ifile );
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iline[81] = 0; // ensure NULL termination when string is too long
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// check for STEP in Part 21 format
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// (this can give false positives since Part 21 is not exclusively STEP)
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if( !strncmp( iline, "ISO-10303-21;", 13 ) )
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return FMT_STEP;
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std::string fstr = iline;
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// check for STEP in XML format
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// (this can give both false positive and false negatives)
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if( fstr.find( "urn:oid:1.0.10303." ) != std::string::npos )
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return FMT_STEP;
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// Note: this is a very simple test which can yield false positives; the only
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// sure method for determining if a file *not* an IGES model is to attempt
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// to load it.
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if( iline[72] == 'S' && ( iline[80] == 0 || iline[80] == 13 || iline[80] == 10 ) )
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return FMT_IGES;
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return FMT_NONE;
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}
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STEP_PCB_MODEL::STEP_PCB_MODEL( const wxString& aPcbName )
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{
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m_app = XCAFApp_Application::GetApplication();
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m_app->NewDocument( "MDTV-XCAF", m_doc );
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m_assy = XCAFDoc_DocumentTool::ShapeTool( m_doc->Main() );
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m_assy_label = m_assy->NewShape();
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m_hasPCB = false;
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m_components = 0;
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m_precision = USER_PREC;
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m_angleprec = USER_ANGLE_PREC;
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m_boardThickness = BOARD_THICKNESS_DEFAULT_MM;
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m_copperThickness = COPPER_THICKNESS_DEFAULT_MM;
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m_mergeOCCMaxDist = OCC_MAX_DISTANCE_TO_MERGE_POINTS;
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m_minx = 1.0e10; // absurdly large number; any valid PCB X value will be smaller
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m_pcbName = aPcbName;
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m_maxError = pcbIUScale.mmToIU( ARC_TO_SEGMENT_MAX_ERROR_MM );
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}
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STEP_PCB_MODEL::~STEP_PCB_MODEL()
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{
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if( m_doc->CanClose() == CDM_CCS_OK )
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m_doc->Close();
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}
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bool STEP_PCB_MODEL::AddPadShape( const PAD* aPad, const VECTOR2D& aOrigin )
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{
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const std::shared_ptr<SHAPE_POLY_SET>& pad_shape = aPad->GetEffectivePolygon( ERROR_INSIDE );
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bool success = true;
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VECTOR2I pos = aPad->GetPosition();
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for( PCB_LAYER_ID pcb_layer = F_Cu; ; pcb_layer = B_Cu )
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{
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TopoDS_Shape curr_shape;
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double Zpos = pcb_layer == F_Cu ? m_boardThickness : -m_copperThickness;
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if( aPad->IsOnLayer( pcb_layer ) )
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{
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// Make a shape on top/bottom copper layer: a cylinder for rond shapes (pad or via)
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// and a polygon for other shapes:
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if( aPad->GetShape() == PAD_SHAPE::CIRCLE )
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{
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curr_shape = BRepPrimAPI_MakeCylinder(
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pcbIUScale.IUTomm( aPad->GetSizeX() ) * 0.5, m_copperThickness ).Shape();
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gp_Trsf shift;
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shift.SetTranslation( gp_Vec( pcbIUScale.IUTomm( pos.x - aOrigin.x ),
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-pcbIUScale.IUTomm( pos.y - aOrigin.y ),
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Zpos ) );
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BRepBuilderAPI_Transform round_shape( curr_shape, shift );
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m_board_copper_pads.push_back( round_shape.Shape() );
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}
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else
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{
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success = MakeShapes( m_board_copper_pads, *pad_shape, m_copperThickness, Zpos,
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aOrigin );
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}
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}
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if( pcb_layer == B_Cu )
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break;
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}
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if( aPad->GetAttribute() == PAD_ATTRIB::PTH && aPad->IsOnLayer( F_Cu )
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&& aPad->IsOnLayer( B_Cu ) )
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{
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TopoDS_Shape plating;
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std::shared_ptr<SHAPE_SEGMENT> seg_hole = aPad->GetEffectiveHoleShape();
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double width = std::min( aPad->GetDrillSize().x, aPad->GetDrillSize().y );
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if( MakeShapeAsThickSegment( plating, seg_hole->GetSeg().A, seg_hole->GetSeg().B, width,
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m_boardThickness + m_copperThickness * 2, -m_copperThickness,
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aOrigin ) )
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{
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m_board_copper_pads.push_back( plating );
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}
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else
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{
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success = false;
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}
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}
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if( !success ) // Error
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ReportMessage( wxT( "OCC error adding pad/via polygon.\n" ) );
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return success;
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}
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bool STEP_PCB_MODEL::AddViaShape( const PCB_VIA* aVia, const VECTOR2D& aOrigin )
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{
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// A via is very similar to a round pad. So, for now, used AddPadHole() to
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// create a via+hole shape
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PAD dummy( nullptr );
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int hole = aVia->GetDrillValue();
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dummy.SetDrillSize( VECTOR2I( hole, hole ) );
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dummy.SetPosition( aVia->GetStart() );
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dummy.SetSize( VECTOR2I( aVia->GetWidth(), aVia->GetWidth() ) );
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if( AddPadHole( &dummy, aOrigin ) )
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{
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if( !AddPadShape( &dummy, aOrigin ) )
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return false;
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}
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return true;
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}
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bool STEP_PCB_MODEL::AddTrackSegment( const PCB_TRACK* aTrack, const VECTOR2D& aOrigin )
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{
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PCB_LAYER_ID pcblayer = aTrack->GetLayer();
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if( pcblayer != F_Cu && pcblayer != B_Cu )
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return false;
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TopoDS_Shape shape;
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double zposition = pcblayer == F_Cu ? m_boardThickness : -m_copperThickness;
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bool success = MakeShapeAsThickSegment( shape, aTrack->GetStart(), aTrack->GetEnd(),
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aTrack->GetWidth(), m_copperThickness,
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zposition, aOrigin );
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if( success )
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m_board_copper_tracks.push_back( shape );
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return success;
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}
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bool STEP_PCB_MODEL::AddCopperPolygonShapes( const SHAPE_POLY_SET* aPolyShapes, bool aOnTop,
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const VECTOR2D& aOrigin, bool aTrack )
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{
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bool success = true;
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if( aPolyShapes->IsEmpty() )
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return true;
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double z_pos = aOnTop ? m_boardThickness : -m_copperThickness;
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if( !MakeShapes( aTrack ? m_board_copper_tracks : m_board_copper_zones, *aPolyShapes,
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m_copperThickness, z_pos, aOrigin ) )
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{
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ReportMessage( wxString::Format(
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wxT( "Could not add shape (%d points) to copper layer on %s.\n" ),
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aPolyShapes->FullPointCount(), aOnTop ? wxT( "top" ) : wxT( "bottom" ) ) );
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success = false;
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}
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return success;
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}
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bool STEP_PCB_MODEL::AddPadHole( const PAD* aPad, const VECTOR2D& aOrigin )
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{
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if( aPad == nullptr || !aPad->GetDrillSize().x )
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return false;
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// TODO: make configurable
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int platingThickness = aPad->GetAttribute() == PAD_ATTRIB::PTH ? pcbIUScale.mmToIU( 0.025 ) : 0;
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const double margin = 0.01; // a small margin on the Z axix to be sure the hole
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// is bigger than the board with copper
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// must be > OCC_MAX_DISTANCE_TO_MERGE_POINTS
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double holeZsize = m_boardThickness + ( m_copperThickness * 2 ) + ( margin * 2 );
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std::shared_ptr<SHAPE_SEGMENT> seg_hole = aPad->GetEffectiveHoleShape();
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double boardDrill = std::min( aPad->GetDrillSize().x, aPad->GetDrillSize().y );
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double copperDrill = boardDrill - platingThickness * 2;
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TopoDS_Shape copperHole, boardHole;
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if( MakeShapeAsThickSegment( copperHole, seg_hole->GetSeg().A, seg_hole->GetSeg().B,
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copperDrill, holeZsize, -m_copperThickness - margin, aOrigin ) )
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{
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m_copperCutouts.push_back( copperHole );
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}
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else
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{
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return false;
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}
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if( MakeShapeAsThickSegment( boardHole, seg_hole->GetSeg().A, seg_hole->GetSeg().B, boardDrill,
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holeZsize, -m_copperThickness - margin, aOrigin ) )
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{
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m_boardCutouts.push_back( boardHole );
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}
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else
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{
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return false;
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}
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return true;
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}
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bool STEP_PCB_MODEL::AddComponent( const std::string& aFileNameUTF8, const std::string& aRefDes,
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bool aBottom, VECTOR2D aPosition, double aRotation, VECTOR3D aOffset,
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VECTOR3D aOrientation, VECTOR3D aScale, bool aSubstituteModels )
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{
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if( aFileNameUTF8.empty() )
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{
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ReportMessage( wxString::Format( wxT( "No model defined for component %s.\n" ), aRefDes ) );
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return false;
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}
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wxString fileName( wxString::FromUTF8( aFileNameUTF8.c_str() ) );
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ReportMessage( wxString::Format( wxT( "Add component %s.\n" ), aRefDes ) );
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// first retrieve a label
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TDF_Label lmodel;
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wxString errorMessage;
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if( !getModelLabel( aFileNameUTF8, aScale, lmodel, aSubstituteModels, &errorMessage ) )
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{
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if( errorMessage.IsEmpty() )
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ReportMessage( wxString::Format( wxT( "No model for filename '%s'.\n" ), fileName ) );
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else
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ReportMessage( errorMessage );
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return false;
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}
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// calculate the Location transform
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TopLoc_Location toploc;
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if( !getModelLocation( aBottom, aPosition, aRotation, aOffset, aOrientation, toploc ) )
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{
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ReportMessage(
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wxString::Format( wxT( "No location data for filename '%s'.\n" ), fileName ) );
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return false;
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}
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// add the located sub-assembly
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TDF_Label llabel = m_assy->AddComponent( m_assy_label, lmodel, toploc );
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if( llabel.IsNull() )
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{
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ReportMessage( wxString::Format( wxT( "Could not add component with filename '%s'.\n" ),
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fileName ) );
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return false;
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}
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// attach the RefDes name
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TCollection_ExtendedString refdes( aRefDes.c_str() );
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TDataStd_Name::Set( llabel, refdes );
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return true;
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}
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void STEP_PCB_MODEL::SetPCBThickness( double aThickness )
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{
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if( aThickness < 0.0 )
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m_boardThickness = BOARD_THICKNESS_DEFAULT_MM;
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else if( aThickness < BOARD_THICKNESS_MIN_MM )
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m_boardThickness = BOARD_THICKNESS_MIN_MM;
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else
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m_boardThickness = aThickness;
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}
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void STEP_PCB_MODEL::SetBoardColor( double r, double g, double b )
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{
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m_boardColor[0] = r;
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m_boardColor[1] = g;
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m_boardColor[2] = b;
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}
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void STEP_PCB_MODEL::SetCopperColor( double r, double g, double b )
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{
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m_copperColor[0] = r;
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m_copperColor[1] = g;
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m_copperColor[2] = b;
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}
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void STEP_PCB_MODEL::OCCSetMergeMaxDistance( double aDistance )
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{
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// Ensure a minimal value (in mm)
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m_mergeOCCMaxDist = aDistance;
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}
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bool STEP_PCB_MODEL::isBoardOutlineValid()
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{
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return m_pcb_labels.size() > 0;
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}
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// A helper function to know if a SHAPE_LINE_CHAIN is encoding a circle (now unused)
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#if 0
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static bool IsChainCircle( const SHAPE_LINE_CHAIN& aChain )
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{
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// If aChain is a circle it
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// - contains only one arc
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// - this arc has the same start and end point
|
|
const std::vector<SHAPE_ARC>& arcs = aChain.CArcs();
|
|
|
|
if( arcs.size() == 1 )
|
|
{
|
|
const SHAPE_ARC& arc = arcs[0];
|
|
|
|
if( arc. GetP0() == arc.GetP1() )
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
|
|
bool STEP_PCB_MODEL::MakeShapeAsCylinder( TopoDS_Shape& aShape,
|
|
const SHAPE_LINE_CHAIN& aChain, double aThickness,
|
|
double aZposition, const VECTOR2D& aOrigin )
|
|
{
|
|
if( !aShape.IsNull() )
|
|
return false; // there is already data in the shape object
|
|
|
|
if( !aChain.IsClosed() )
|
|
return false; // the loop is not closed
|
|
|
|
const std::vector<SHAPE_ARC>& arcs = aChain.CArcs();
|
|
const SHAPE_ARC& arc = arcs[0];
|
|
|
|
TopoDS_Shape base_shape;
|
|
base_shape = BRepPrimAPI_MakeCylinder(
|
|
pcbIUScale.IUTomm( arc.GetRadius() ), aThickness ).Shape();
|
|
gp_Trsf shift;
|
|
shift.SetTranslation( gp_Vec( pcbIUScale.IUTomm( arc.GetCenter().x - aOrigin.x ),
|
|
-pcbIUScale.IUTomm( arc.GetCenter().y - aOrigin.y ),
|
|
aZposition ) );
|
|
BRepBuilderAPI_Transform round_shape( base_shape, shift );
|
|
aShape = round_shape;
|
|
|
|
if( aShape.IsNull() )
|
|
{
|
|
ReportMessage( wxT( "failed to create a cylinder vertical shape\n" ) );
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool STEP_PCB_MODEL::MakeShapeAsThickSegment( TopoDS_Shape& aShape,
|
|
VECTOR2D aStartPoint, VECTOR2D aEndPoint,
|
|
double aWidth, double aThickness,
|
|
double aZposition, const VECTOR2D& aOrigin )
|
|
{
|
|
// make a wide segment from 2 lines and 2 180 deg arcs
|
|
// We need 6 points (3 per arcs)
|
|
VECTOR2D coords[6];
|
|
|
|
// We build a horizontal segment, and after rotate it
|
|
double len = ( aEndPoint - aStartPoint ).EuclideanNorm();
|
|
double h_width = aWidth/2.0;
|
|
// First is end point of first arc, and also start point of first line
|
|
coords[0] = VECTOR2D{ 0.0, h_width };
|
|
|
|
// end point of first line and start point of second arc
|
|
coords[1] = VECTOR2D{ len, h_width };
|
|
|
|
// middle point of second arc
|
|
coords[2] = VECTOR2D{ len + h_width, 0.0 };
|
|
|
|
// start point of second line and end point of second arc
|
|
coords[3] = VECTOR2D{ len, -h_width };
|
|
|
|
// end point of second line and start point of first arc
|
|
coords[4] = VECTOR2D{ 0, -h_width };
|
|
|
|
// middle point of first arc
|
|
coords[5] = VECTOR2D{ -h_width, 0.0 };
|
|
|
|
// Rotate and move to segment position
|
|
EDA_ANGLE seg_angle( aEndPoint - aStartPoint );
|
|
|
|
for( int ii = 0; ii < 6; ii++ )
|
|
{
|
|
RotatePoint( coords[ii], VECTOR2D{ 0, 0 }, -seg_angle ),
|
|
coords[ii] += aStartPoint;
|
|
}
|
|
|
|
|
|
// Convert to 3D points
|
|
gp_Pnt coords3D[ 6 ];
|
|
|
|
for( int ii = 0; ii < 6; ii++ )
|
|
{
|
|
coords3D[ii] = gp_Pnt( pcbIUScale.IUTomm( coords[ii].x - aOrigin.x ),
|
|
-pcbIUScale.IUTomm( coords[ii].y - aOrigin.y ), aZposition );
|
|
}
|
|
|
|
// Build OpenCascade shape outlines
|
|
BRepBuilderAPI_MakeWire wire;
|
|
bool success = true;
|
|
|
|
// Short segments (distance between end points < m_mergeOCCMaxDist(in mm)) must be
|
|
// skipped because OCC merge end points, and a null shape is created
|
|
bool short_seg = pcbIUScale.IUTomm( len ) <= m_mergeOCCMaxDist;
|
|
|
|
try
|
|
{
|
|
TopoDS_Edge edge;
|
|
|
|
if( short_seg )
|
|
{
|
|
Handle( Geom_Circle ) circle = GC_MakeCircle( coords3D[1], // arc1 start point
|
|
coords3D[2], // arc1 mid point
|
|
coords3D[5] // arc2 mid point
|
|
);
|
|
|
|
edge = BRepBuilderAPI_MakeEdge( circle );
|
|
wire.Add( edge );
|
|
}
|
|
else
|
|
{
|
|
edge = BRepBuilderAPI_MakeEdge( coords3D[0], coords3D[1] );
|
|
wire.Add( edge );
|
|
|
|
Handle( Geom_TrimmedCurve ) arcOfCircle =
|
|
GC_MakeArcOfCircle( coords3D[1], // start point
|
|
coords3D[2], // mid point
|
|
coords3D[3] // end point
|
|
);
|
|
edge = BRepBuilderAPI_MakeEdge( arcOfCircle );
|
|
wire.Add( edge );
|
|
|
|
edge = BRepBuilderAPI_MakeEdge( coords3D[3], coords3D[4] );
|
|
wire.Add( edge );
|
|
|
|
Handle( Geom_TrimmedCurve ) arcOfCircle2 =
|
|
GC_MakeArcOfCircle( coords3D[4], // start point
|
|
coords3D[5], // mid point
|
|
coords3D[0] // end point
|
|
);
|
|
edge = BRepBuilderAPI_MakeEdge( arcOfCircle2 );
|
|
wire.Add( edge );
|
|
}
|
|
}
|
|
catch( const Standard_Failure& e )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "build shape segment: OCC exception: %s\n" ),
|
|
e.GetMessageString() ) );
|
|
return false;
|
|
}
|
|
|
|
|
|
BRepBuilderAPI_MakeFace face;
|
|
|
|
try
|
|
{
|
|
gp_Pln plane( coords3D[0], gp::DZ() );
|
|
face = BRepBuilderAPI_MakeFace( plane, wire );
|
|
}
|
|
catch( const Standard_Failure& e )
|
|
{
|
|
ReportMessage(
|
|
wxString::Format( wxT( "MakeShapeThickSegment: OCC exception: %s\n" ),
|
|
e.GetMessageString() ) );
|
|
return false;
|
|
}
|
|
|
|
aShape = BRepPrimAPI_MakePrism( face, gp_Vec( 0, 0, aThickness ) );
|
|
|
|
if( aShape.IsNull() )
|
|
{
|
|
ReportMessage( wxT( "failed to create a prismatic shape\n" ) );
|
|
return false;
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
|
|
bool STEP_PCB_MODEL::MakeShapes( std::vector<TopoDS_Shape>& aShapes, const SHAPE_POLY_SET& aPolySet,
|
|
double aThickness, double aZposition, const VECTOR2D& aOrigin )
|
|
{
|
|
SHAPE_POLY_SET simplified = aPolySet;
|
|
simplified.Simplify( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
|
|
|
|
auto toPoint = [&]( const VECTOR2D& aKiCoords ) -> gp_Pnt
|
|
{
|
|
return gp_Pnt( pcbIUScale.IUTomm( aKiCoords.x - aOrigin.x ),
|
|
-pcbIUScale.IUTomm( aKiCoords.y - aOrigin.y ), aZposition );
|
|
};
|
|
|
|
for( const SHAPE_POLY_SET::POLYGON& polygon : simplified.CPolygons() )
|
|
{
|
|
auto makeWireFromChain = [&]( BRepLib_MakeWire& aMkWire,
|
|
const SHAPE_LINE_CHAIN& aChain ) -> bool
|
|
{
|
|
try
|
|
{
|
|
auto addSegment = [&]( const VECTOR2D& aPt0, const VECTOR2D& aPt1 ) -> bool
|
|
{
|
|
gp_Pnt start = toPoint( aPt0 );
|
|
gp_Pnt end = toPoint( aPt1 );
|
|
|
|
// Do not export too short segments: they create broken shape because OCC thinks
|
|
// start point and end point are at the same place
|
|
double seg_len = std::hypot( end.X() - start.X(), end.Y() - start.Y() );
|
|
|
|
if( seg_len <= m_mergeOCCMaxDist )
|
|
return false;
|
|
|
|
BRepBuilderAPI_MakeEdge mkEdge( start, end );
|
|
|
|
if( !mkEdge.IsDone() || mkEdge.Edge().IsNull() )
|
|
{
|
|
ReportMessage( wxT( "failed to make edge, skipping\n" ) );
|
|
}
|
|
else
|
|
{
|
|
aMkWire.Add( mkEdge.Edge() );
|
|
|
|
if( aMkWire.Error() != BRepLib_WireDone )
|
|
{
|
|
ReportMessage( wxT( "failed to add edge to wire\n" ) );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
auto addArc = [&]( const SHAPE_ARC& aArc ) -> bool
|
|
{
|
|
// Do not export too short segments: they create broken shape because OCC thinks
|
|
Handle( Geom_Curve ) curve;
|
|
|
|
if( aArc.GetCentralAngle() == ANGLE_360 )
|
|
{
|
|
gp_Ax2 axis = gp::XOY();
|
|
axis.SetLocation( toPoint( aArc.GetCenter() ) );
|
|
|
|
curve = GC_MakeCircle( axis, pcbIUScale.IUTomm( aArc.GetRadius() ) )
|
|
.Value();
|
|
}
|
|
else
|
|
{
|
|
curve = GC_MakeArcOfCircle( toPoint( aArc.GetP0() ),
|
|
toPoint( aArc.GetArcMid() ),
|
|
toPoint( aArc.GetP1() ) )
|
|
.Value();
|
|
}
|
|
|
|
if( curve.IsNull() )
|
|
return false;
|
|
|
|
aMkWire.Add( BRepBuilderAPI_MakeEdge( curve ) );
|
|
|
|
if( !aMkWire.IsDone() )
|
|
{
|
|
ReportMessage( wxT( "failed to add curve\n" ) );
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
VECTOR2I firstPt;
|
|
VECTOR2I lastPt;
|
|
bool isFirstShape = true;
|
|
|
|
for( int i = 0; i <= aChain.PointCount() && i != -1; i = aChain.NextShape( i ) )
|
|
{
|
|
if( i == 0 )
|
|
{
|
|
if( aChain.IsArcSegment( 0 )
|
|
&& aChain.IsArcSegment( aChain.PointCount() - 1 )
|
|
&& aChain.ArcIndex( 0 ) == aChain.ArcIndex( aChain.PointCount() - 1 ) )
|
|
{
|
|
// Skip first arc (we should encounter it later)
|
|
int nextShape = aChain.NextShape( i );
|
|
|
|
// If nextShape points to the end, then we have a circle.
|
|
if( nextShape != -1 )
|
|
i = nextShape;
|
|
}
|
|
}
|
|
|
|
if( isFirstShape )
|
|
lastPt = aChain.CPoint( i );
|
|
|
|
bool isArc = aChain.IsArcSegment( i );
|
|
|
|
if( aChain.IsArcStart( i ) )
|
|
{
|
|
const SHAPE_ARC& currentArc = aChain.Arc( aChain.ArcIndex( i ) );
|
|
|
|
if( isFirstShape )
|
|
{
|
|
firstPt = currentArc.GetP0();
|
|
lastPt = firstPt;
|
|
}
|
|
|
|
if( lastPt != currentArc.GetP0() )
|
|
addSegment( lastPt, currentArc.GetP0() );
|
|
|
|
if( addArc( currentArc ) )
|
|
lastPt = currentArc.GetP1();
|
|
}
|
|
else if( !isArc )
|
|
{
|
|
const SEG& seg = aChain.CSegment( i );
|
|
|
|
if( isFirstShape )
|
|
{
|
|
firstPt = seg.A;
|
|
lastPt = firstPt;
|
|
}
|
|
|
|
if( lastPt != seg.A )
|
|
addSegment( lastPt, seg.A );
|
|
|
|
if( addSegment( seg.A, seg.B ) )
|
|
lastPt = seg.B;
|
|
}
|
|
|
|
isFirstShape = false;
|
|
}
|
|
|
|
if( lastPt != firstPt )
|
|
addSegment( lastPt, firstPt );
|
|
}
|
|
catch( const Standard_Failure& e )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "makeWireFromChain: OCC exception: %s\n" ),
|
|
e.GetMessageString() ) );
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
};
|
|
|
|
BRepBuilderAPI_MakeFace mkFace;
|
|
|
|
for( size_t contId = 0; contId < polygon.size(); contId++ )
|
|
{
|
|
const SHAPE_LINE_CHAIN& contour = polygon[contId];
|
|
BRepLib_MakeWire mkWire;
|
|
|
|
try
|
|
{
|
|
if( !makeWireFromChain( mkWire, contour ) )
|
|
continue;
|
|
|
|
wxASSERT( mkWire.IsDone() );
|
|
|
|
if( contId == 0 ) // Outline
|
|
mkFace = BRepBuilderAPI_MakeFace( mkWire.Wire() );
|
|
else // Hole
|
|
mkFace.Add( mkWire );
|
|
}
|
|
catch( const Standard_Failure& e )
|
|
{
|
|
ReportMessage(
|
|
wxString::Format( wxT( "MakeShapes (contour %d): OCC exception: %s\n" ),
|
|
contId, e.GetMessageString() ) );
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if( mkFace.IsDone() )
|
|
{
|
|
TopoDS_Shape prism = BRepPrimAPI_MakePrism( mkFace, gp_Vec( 0, 0, aThickness ) );
|
|
aShapes.push_back( prism );
|
|
|
|
if( prism.IsNull() )
|
|
{
|
|
ReportMessage( wxT( "Failed to create a prismatic shape\n" ) );
|
|
return false;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
wxASSERT( false );
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool STEP_PCB_MODEL::CreatePCB( SHAPE_POLY_SET& aOutline, VECTOR2D aOrigin )
|
|
{
|
|
if( m_hasPCB )
|
|
{
|
|
if( !isBoardOutlineValid() )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
Handle( XCAFDoc_ColorTool ) colorTool = XCAFDoc_DocumentTool::ColorTool( m_doc->Main() );
|
|
m_hasPCB = true; // whether or not operations fail we note that CreatePCB has been invoked
|
|
|
|
|
|
// Support for more than one main outline (more than one board)
|
|
ReportMessage( wxString::Format( wxT( "Build board outlines (%d outlines) with %d points.\n" ),
|
|
aOutline.OutlineCount(), aOutline.FullPointCount() ) );
|
|
#if 0
|
|
// This code should work, and it is working most of time
|
|
// However there are issues if the main outline is a circle with holes:
|
|
// holes from vias and pads are not working
|
|
// see bug https://gitlab.com/kicad/code/kicad/-/issues/17446
|
|
// (Holes are missing from STEP export with circular PCB outline)
|
|
// Hard to say if the bug is in our code or in OCC 7.7
|
|
if( !MakeShapes( m_board_outlines, aOutline, m_boardThickness, 0.0, aOrigin ) )
|
|
{
|
|
// Error
|
|
ReportMessage( wxString::Format(
|
|
wxT( "OCC error creating main outline.\n" ) ) );
|
|
}
|
|
#else
|
|
// Workaround for bug #17446 Holes are missing from STEP export with circular PCB outline
|
|
for( const SHAPE_POLY_SET::POLYGON& polygon : aOutline.CPolygons() )
|
|
{
|
|
for( size_t contId = 0; contId < polygon.size(); contId++ )
|
|
{
|
|
const SHAPE_LINE_CHAIN& contour = polygon[contId];
|
|
SHAPE_POLY_SET polyset;
|
|
polyset.Append( contour );
|
|
|
|
if( contId == 0 ) // main Outline
|
|
{
|
|
if( !MakeShapes( m_board_outlines, polyset, m_boardThickness, 0.0, aOrigin ) )
|
|
ReportMessage( wxT( "OCC error creating main outline.\n" ) );
|
|
}
|
|
else // Hole inside the main outline
|
|
{
|
|
if( !MakeShapes( m_boardCutouts, polyset, m_boardThickness, 0.0, aOrigin ) )
|
|
ReportMessage( wxT( "OCC error creating hole in main outline.\n" ) );
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
Bnd_Box brdBndBox;
|
|
|
|
for( const TopoDS_Shape& brdShape : m_board_outlines )
|
|
BRepBndLib::Add( brdShape, brdBndBox );
|
|
|
|
// subtract cutouts (if any)
|
|
ReportMessage( wxString::Format( wxT( "Build board cutouts and holes (%d hole(s)).\n" ),
|
|
(int) ( m_boardCutouts.size() + m_copperCutouts.size() ) ) );
|
|
|
|
auto buildBSB = [&brdBndBox]( std::vector<TopoDS_Shape>& input, Bnd_BoundSortBox& bsbHoles )
|
|
{
|
|
// We need to encompass every location we'll need to test in the global bbox,
|
|
// otherwise Bnd_BoundSortBox doesn't work near the boundaries.
|
|
Bnd_Box brdWithHolesBndBox = brdBndBox;
|
|
|
|
Handle( Bnd_HArray1OfBox ) holeBoxSet = new Bnd_HArray1OfBox( 0, input.size() - 1 );
|
|
|
|
for( size_t i = 0; i < input.size(); i++ )
|
|
{
|
|
Bnd_Box bbox;
|
|
BRepBndLib::Add( input[i], bbox );
|
|
brdWithHolesBndBox.Add( bbox );
|
|
( *holeBoxSet )[i] = bbox;
|
|
}
|
|
|
|
bsbHoles.Initialize( brdWithHolesBndBox, holeBoxSet );
|
|
};
|
|
|
|
auto subtractShapes = []( const wxString& aWhat, std::vector<TopoDS_Shape>& aShapesList,
|
|
std::vector<TopoDS_Shape>& aHolesList, Bnd_BoundSortBox& aBSBHoles )
|
|
{
|
|
// Remove holes for each item (board body or bodies, one can have more than one board)
|
|
int cnt = 0;
|
|
for( TopoDS_Shape& shape : aShapesList )
|
|
{
|
|
Bnd_Box shapeBbox;
|
|
BRepBndLib::Add( shape, shapeBbox );
|
|
|
|
const TColStd_ListOfInteger& indices = aBSBHoles.Compare( shapeBbox );
|
|
|
|
TopTools_ListOfShape holelist;
|
|
|
|
for( const Standard_Integer& index : indices )
|
|
holelist.Append( aHolesList[index] );
|
|
|
|
if( cnt == 0 )
|
|
ReportMessage( wxString::Format( _( "Build holes for %s\n" ), aWhat ) );
|
|
|
|
cnt++;
|
|
|
|
if( cnt % 10 == 0 )
|
|
ReportMessage( wxString::Format( _( "Cutting %d/%d %s\n" ), cnt,
|
|
(int) aShapesList.size(), aWhat ) );
|
|
|
|
if( holelist.IsEmpty() )
|
|
continue;
|
|
|
|
TopTools_ListOfShape cutArgs;
|
|
cutArgs.Append( shape );
|
|
|
|
BRepAlgoAPI_Cut cut;
|
|
|
|
// This helps cutting circular holes in zones where a hole is already cut in Clipper
|
|
cut.SetFuzzyValue( 0.0005 );
|
|
cut.SetArguments( cutArgs );
|
|
|
|
cut.SetTools( holelist );
|
|
cut.Build();
|
|
|
|
shape = cut.Shape();
|
|
}
|
|
};
|
|
|
|
if( m_boardCutouts.size() )
|
|
{
|
|
Bnd_BoundSortBox bsbHoles;
|
|
buildBSB( m_boardCutouts, bsbHoles );
|
|
|
|
subtractShapes( _( "shapes" ), m_board_outlines, m_boardCutouts, bsbHoles );
|
|
}
|
|
|
|
if( m_copperCutouts.size() )
|
|
{
|
|
Bnd_BoundSortBox bsbHoles;
|
|
buildBSB( m_copperCutouts, bsbHoles );
|
|
|
|
subtractShapes( _( "pads" ), m_board_copper_pads, m_copperCutouts, bsbHoles );
|
|
subtractShapes( _( "tracks" ), m_board_copper_tracks, m_copperCutouts, bsbHoles );
|
|
subtractShapes( _( "zones" ), m_board_copper_zones, m_copperCutouts, bsbHoles );
|
|
}
|
|
|
|
// push the board to the data structure
|
|
ReportMessage( wxT( "\nGenerate board full shape.\n" ) );
|
|
|
|
auto pushToAssembly = [&]( std::vector<TopoDS_Shape>& aShapesList, Quantity_Color aColor,
|
|
const wxString& aShapeName )
|
|
{
|
|
int i = 1;
|
|
for( TopoDS_Shape& shape : aShapesList )
|
|
{
|
|
Handle( TDataStd_TreeNode ) node;
|
|
|
|
// Dont expand the component or else coloring it gets hard
|
|
TDF_Label lbl = m_assy->AddComponent( m_assy_label, shape, false );
|
|
m_pcb_labels.push_back( lbl );
|
|
|
|
if( m_pcb_labels.back().IsNull() )
|
|
break;
|
|
|
|
lbl.FindAttribute( XCAFDoc::ShapeRefGUID(), node );
|
|
TDF_Label shpLbl = node->Father()->Label();
|
|
if( !shpLbl.IsNull() )
|
|
{
|
|
colorTool->SetColor( shpLbl, aColor, XCAFDoc_ColorSurf );
|
|
wxString shapeName;
|
|
|
|
if( aShapesList.size() > 1 )
|
|
{
|
|
shapeName = wxString::Format( wxT( "%s_%s_%d" ), m_pcbName, aShapeName, i );
|
|
}
|
|
else
|
|
{
|
|
shapeName = wxString::Format( wxT( "%s_%s" ), m_pcbName, aShapeName );
|
|
}
|
|
|
|
|
|
TCollection_ExtendedString partname( shapeName.ToUTF8().data() );
|
|
TDataStd_Name::Set( shpLbl, partname );
|
|
}
|
|
|
|
i++;
|
|
}
|
|
};
|
|
|
|
// AddComponent adds a label that has a reference (not a parent/child relation) to the real
|
|
// label. We need to extract that real label to name it for the STEP output cleanly
|
|
// Why are we trying to name the bare board? Because CAD tools like SolidWorks do fun things
|
|
// like "deduplicate" imported STEPs by swapping STEP assembly components with already
|
|
// identically named assemblies. So we want to avoid having the PCB be generally defaulted
|
|
// to "Component" or "Assembly".
|
|
|
|
// Init colors for the board body and the copper items (if any)
|
|
Quantity_Color board_color( m_boardColor[0], m_boardColor[1], m_boardColor[2],
|
|
Quantity_TOC_RGB );
|
|
Quantity_Color copper_color( m_copperColor[0], m_copperColor[1], m_copperColor[2],
|
|
Quantity_TOC_RGB );
|
|
|
|
pushToAssembly( m_board_copper_tracks, copper_color, "track" );
|
|
pushToAssembly( m_board_copper_zones, copper_color, "zone" );
|
|
pushToAssembly( m_board_copper_pads, copper_color, "pad" );
|
|
pushToAssembly( m_board_outlines, board_color, "PCB" );
|
|
|
|
#if( defined OCC_VERSION_HEX ) && ( OCC_VERSION_HEX > 0x070101 )
|
|
m_assy->UpdateAssemblies();
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
#ifdef SUPPORTS_IGES
|
|
// write the assembly model in IGES format
|
|
bool STEP_PCB_MODEL::WriteIGES( const wxString& aFileName )
|
|
{
|
|
if( !isBoardOutlineValid() )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "No valid PCB assembly; cannot create output file "
|
|
"'%s'.\n" ),
|
|
aFileName ) );
|
|
return false;
|
|
}
|
|
|
|
wxFileName fn( aFileName );
|
|
IGESControl_Controller::Init();
|
|
IGESCAFControl_Writer writer;
|
|
writer.SetColorMode( Standard_True );
|
|
writer.SetNameMode( Standard_True );
|
|
IGESData_GlobalSection header = writer.Model()->GlobalSection();
|
|
header.SetFileName( new TCollection_HAsciiString( fn.GetFullName().ToAscii() ) );
|
|
header.SetSendName( new TCollection_HAsciiString( "KiCad electronic assembly" ) );
|
|
header.SetAuthorName(
|
|
new TCollection_HAsciiString( Interface_Static::CVal( "write.iges.header.author" ) ) );
|
|
header.SetCompanyName(
|
|
new TCollection_HAsciiString( Interface_Static::CVal( "write.iges.header.company" ) ) );
|
|
writer.Model()->SetGlobalSection( header );
|
|
|
|
if( Standard_False == writer.Perform( m_doc, aFileName.c_str() ) )
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
|
|
bool STEP_PCB_MODEL::WriteSTEP( const wxString& aFileName, bool aOptimize )
|
|
{
|
|
if( !isBoardOutlineValid() )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "No valid PCB assembly; cannot create output file "
|
|
"'%s'.\n" ),
|
|
aFileName ) );
|
|
return false;
|
|
}
|
|
|
|
wxFileName fn( aFileName );
|
|
|
|
STEPCAFControl_Writer writer;
|
|
writer.SetColorMode( Standard_True );
|
|
writer.SetNameMode( Standard_True );
|
|
|
|
// This must be set before we "transfer" the document.
|
|
// Should default to kicad_pcb.general.title_block.title,
|
|
// but in the meantime, defaulting to the basename of the output
|
|
// target is still better than "open cascade step translter v..."
|
|
// UTF8 should be ok from ISO 10303-21:2016, but... older stuff? use boring ascii
|
|
if( !Interface_Static::SetCVal( "write.step.product.name", fn.GetName().ToAscii() ) )
|
|
ReportMessage( wxT( "Failed to set step product name, but will attempt to continue." ) );
|
|
|
|
// Setting write.surfacecurve.mode to 0 reduces file size and write/read times.
|
|
// But there are reports that this mode might be less compatible in some cases.
|
|
if( !Interface_Static::SetIVal( "write.surfacecurve.mode", aOptimize ? 0 : 1 ) )
|
|
ReportMessage( wxT( "Failed to set surface curve mode, but will attempt to continue." ) );
|
|
|
|
if( Standard_False == writer.Transfer( m_doc, STEPControl_AsIs ) )
|
|
return false;
|
|
|
|
APIHeaderSection_MakeHeader hdr( writer.ChangeWriter().Model() );
|
|
|
|
// Note: use only Ascii7 chars, non Ascii7 chars (therefore UFT8 chars)
|
|
// are creating issues in the step file
|
|
hdr.SetName( new TCollection_HAsciiString( fn.GetFullName().ToAscii() ) );
|
|
|
|
// TODO: how to control and ensure consistency with IGES?
|
|
hdr.SetAuthorValue( 1, new TCollection_HAsciiString( "Pcbnew" ) );
|
|
hdr.SetOrganizationValue( 1, new TCollection_HAsciiString( "Kicad" ) );
|
|
hdr.SetOriginatingSystem( new TCollection_HAsciiString( "KiCad to STEP converter" ) );
|
|
hdr.SetDescriptionValue( 1, new TCollection_HAsciiString( "KiCad electronic assembly" ) );
|
|
|
|
bool success = true;
|
|
|
|
// Creates a temporary file with a ascii7 name, because writer does not know unicode filenames.
|
|
wxString currCWD = wxGetCwd();
|
|
wxString workCWD = fn.GetPath();
|
|
|
|
if( !workCWD.IsEmpty() )
|
|
wxSetWorkingDirectory( workCWD );
|
|
|
|
char tmpfname[] = "$tempfile$.step";
|
|
|
|
if( Standard_False == writer.Write( tmpfname ) )
|
|
success = false;
|
|
|
|
if( success )
|
|
{
|
|
|
|
// Preserve the permissions of the current file
|
|
KIPLATFORM::IO::DuplicatePermissions( fn.GetFullPath(), tmpfname );
|
|
|
|
if( !wxRenameFile( tmpfname, fn.GetFullName(), true ) )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "Cannot rename temporary file '%s' to '%s'.\n" ),
|
|
tmpfname,
|
|
fn.GetFullName() ) );
|
|
success = false;
|
|
}
|
|
}
|
|
|
|
wxSetWorkingDirectory( currCWD );
|
|
|
|
return success;
|
|
}
|
|
|
|
|
|
bool STEP_PCB_MODEL::getModelLabel( const std::string& aFileNameUTF8, VECTOR3D aScale, TDF_Label& aLabel,
|
|
bool aSubstituteModels, wxString* aErrorMessage )
|
|
{
|
|
std::string model_key = aFileNameUTF8 + "_" + std::to_string( aScale.x )
|
|
+ "_" + std::to_string( aScale.y ) + "_" + std::to_string( aScale.z );
|
|
|
|
MODEL_MAP::const_iterator mm = m_models.find( model_key );
|
|
|
|
if( mm != m_models.end() )
|
|
{
|
|
aLabel = mm->second;
|
|
return true;
|
|
}
|
|
|
|
aLabel.Nullify();
|
|
|
|
Handle( TDocStd_Document ) doc;
|
|
m_app->NewDocument( "MDTV-XCAF", doc );
|
|
|
|
wxString fileName( wxString::FromUTF8( aFileNameUTF8.c_str() ) );
|
|
MODEL3D_FORMAT_TYPE modelFmt = fileType( aFileNameUTF8.c_str() );
|
|
|
|
switch( modelFmt )
|
|
{
|
|
case FMT_IGES:
|
|
if( !readIGES( doc, aFileNameUTF8.c_str() ) )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "readIGES() failed on filename '%s'.\n" ),
|
|
fileName ) );
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case FMT_STEP:
|
|
if( !readSTEP( doc, aFileNameUTF8.c_str() ) )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "readSTEP() failed on filename '%s'.\n" ),
|
|
fileName ) );
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case FMT_STEPZ:
|
|
{
|
|
// To export a compressed step file (.stpz or .stp.gz file), the best way is to
|
|
// decaompress it in a temporaty file and load this temporary file
|
|
wxFFileInputStream ifile( fileName );
|
|
wxFileName outFile( fileName );
|
|
|
|
outFile.SetPath( wxStandardPaths::Get().GetTempDir() );
|
|
outFile.SetExt( wxT( "step" ) );
|
|
wxFileOffset size = ifile.GetLength();
|
|
|
|
if( size == wxInvalidOffset )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "getModelLabel() failed on filename '%s'.\n" ),
|
|
fileName ) );
|
|
return false;
|
|
}
|
|
|
|
{
|
|
bool success = false;
|
|
wxFFileOutputStream ofile( outFile.GetFullPath() );
|
|
|
|
if( !ofile.IsOk() )
|
|
return false;
|
|
|
|
char* buffer = new char[size];
|
|
|
|
ifile.Read( buffer, size );
|
|
std::string expanded;
|
|
|
|
try
|
|
{
|
|
expanded = gzip::decompress( buffer, size );
|
|
success = true;
|
|
}
|
|
catch( ... )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "failed to decompress '%s'.\n" ),
|
|
fileName ) );
|
|
}
|
|
|
|
if( expanded.empty() )
|
|
{
|
|
ifile.Reset();
|
|
ifile.SeekI( 0 );
|
|
wxZipInputStream izipfile( ifile );
|
|
std::unique_ptr<wxZipEntry> zip_file( izipfile.GetNextEntry() );
|
|
|
|
if( zip_file && !zip_file->IsDir() && izipfile.CanRead() )
|
|
{
|
|
izipfile.Read( ofile );
|
|
success = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ofile.Write( expanded.data(), expanded.size() );
|
|
}
|
|
|
|
delete[] buffer;
|
|
ofile.Close();
|
|
|
|
if( success )
|
|
{
|
|
std::string altFileNameUTF8 = TO_UTF8( outFile.GetFullPath() );
|
|
success =
|
|
getModelLabel( altFileNameUTF8, VECTOR3D( 1.0, 1.0, 1.0 ), aLabel, false );
|
|
}
|
|
|
|
return success;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case FMT_WRL:
|
|
case FMT_WRZ:
|
|
/* WRL files are preferred for internal rendering, due to superior material properties, etc.
|
|
* However they are not suitable for MCAD export.
|
|
*
|
|
* If a .wrl file is specified, attempt to locate a replacement file for it.
|
|
*
|
|
* If a valid replacement file is found, the label for THAT file will be associated with
|
|
* the .wrl file
|
|
*/
|
|
if( aSubstituteModels )
|
|
{
|
|
wxFileName wrlName( fileName );
|
|
|
|
wxString basePath = wrlName.GetPath();
|
|
wxString baseName = wrlName.GetName();
|
|
|
|
// List of alternate files to look for
|
|
// Given in order of preference
|
|
// (Break if match is found)
|
|
wxArrayString alts;
|
|
|
|
// Step files
|
|
alts.Add( wxT( "stp" ) );
|
|
alts.Add( wxT( "step" ) );
|
|
alts.Add( wxT( "STP" ) );
|
|
alts.Add( wxT( "STEP" ) );
|
|
alts.Add( wxT( "Stp" ) );
|
|
alts.Add( wxT( "Step" ) );
|
|
alts.Add( wxT( "stpz" ) );
|
|
alts.Add( wxT( "stpZ" ) );
|
|
alts.Add( wxT( "STPZ" ) );
|
|
alts.Add( wxT( "step.gz" ) );
|
|
alts.Add( wxT( "stp.gz" ) );
|
|
|
|
// IGES files
|
|
alts.Add( wxT( "iges" ) );
|
|
alts.Add( wxT( "IGES" ) );
|
|
alts.Add( wxT( "igs" ) );
|
|
alts.Add( wxT( "IGS" ) );
|
|
|
|
//TODO - Other alternative formats?
|
|
|
|
for( const auto& alt : alts )
|
|
{
|
|
wxFileName altFile( basePath, baseName + wxT( "." ) + alt );
|
|
|
|
if( altFile.IsOk() && altFile.FileExists() )
|
|
{
|
|
std::string altFileNameUTF8 = TO_UTF8( altFile.GetFullPath() );
|
|
|
|
// When substituting a STEP/IGS file for VRML, do not apply the VRML scaling
|
|
// to the new STEP model. This process of auto-substitution is janky as all
|
|
// heck so let's not mix up un-displayed scale factors with potentially
|
|
// mis-matched files. And hope that the user doesn't have multiples files
|
|
// named "model.wrl" and "model.stp" referring to different parts.
|
|
// TODO: Fix model handling in v7. Default models should only be STP.
|
|
// Have option to override this in DISPLAY.
|
|
if( getModelLabel( altFileNameUTF8, VECTOR3D( 1.0, 1.0, 1.0 ), aLabel, false ) )
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false; // No replacement model found
|
|
}
|
|
else // Substitution is not allowed
|
|
{
|
|
if( aErrorMessage )
|
|
aErrorMessage->Printf( wxT( "Cannot load any VRML model for this export.\n" ) );
|
|
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
// TODO: implement IDF and EMN converters
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
aLabel = transferModel( doc, m_doc, aScale );
|
|
|
|
if( aLabel.IsNull() )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "Could not transfer model data from file '%s'.\n" ),
|
|
fileName ) );
|
|
return false;
|
|
}
|
|
|
|
// attach the PART NAME ( base filename: note that in principle
|
|
// different models may have the same base filename )
|
|
wxFileName afile( fileName );
|
|
std::string pname( afile.GetName().ToUTF8() );
|
|
TCollection_ExtendedString partname( pname.c_str() );
|
|
TDataStd_Name::Set( aLabel, partname );
|
|
|
|
m_models.insert( MODEL_DATUM( model_key, aLabel ) );
|
|
++m_components;
|
|
return true;
|
|
}
|
|
|
|
|
|
bool STEP_PCB_MODEL::getModelLocation( bool aBottom, VECTOR2D aPosition, double aRotation, VECTOR3D aOffset, VECTOR3D aOrientation,
|
|
TopLoc_Location& aLocation )
|
|
{
|
|
// Order of operations:
|
|
// a. aOrientation is applied -Z*-Y*-X
|
|
// b. aOffset is applied
|
|
// Top ? add thickness to the Z offset
|
|
// c. Bottom ? Rotate on X axis (in contrast to most ECAD which mirror on Y),
|
|
// then rotate on +Z
|
|
// Top ? rotate on -Z
|
|
// d. aPosition is applied
|
|
//
|
|
// Note: Y axis is inverted in KiCad
|
|
|
|
gp_Trsf lPos;
|
|
lPos.SetTranslation( gp_Vec( aPosition.x, -aPosition.y, 0.0 ) );
|
|
|
|
// Offset board thickness
|
|
aOffset.z += BOARD_OFFSET;
|
|
|
|
gp_Trsf lRot;
|
|
|
|
if( aBottom )
|
|
{
|
|
lRot.SetRotation( gp_Ax1( gp_Pnt( 0.0, 0.0, 0.0 ), gp_Dir( 0.0, 0.0, 1.0 ) ), aRotation );
|
|
lPos.Multiply( lRot );
|
|
lRot.SetRotation( gp_Ax1( gp_Pnt( 0.0, 0.0, 0.0 ), gp_Dir( 1.0, 0.0, 0.0 ) ), M_PI );
|
|
lPos.Multiply( lRot );
|
|
}
|
|
else
|
|
{
|
|
aOffset.z += m_boardThickness;
|
|
lRot.SetRotation( gp_Ax1( gp_Pnt( 0.0, 0.0, 0.0 ), gp_Dir( 0.0, 0.0, 1.0 ) ), aRotation );
|
|
lPos.Multiply( lRot );
|
|
}
|
|
|
|
gp_Trsf lOff;
|
|
lOff.SetTranslation( gp_Vec( aOffset.x, aOffset.y, aOffset.z ) );
|
|
lPos.Multiply( lOff );
|
|
|
|
gp_Trsf lOrient;
|
|
lOrient.SetRotation( gp_Ax1( gp_Pnt( 0.0, 0.0, 0.0 ), gp_Dir( 0.0, 0.0, 1.0 ) ),
|
|
-aOrientation.z );
|
|
lPos.Multiply( lOrient );
|
|
lOrient.SetRotation( gp_Ax1( gp_Pnt( 0.0, 0.0, 0.0 ), gp_Dir( 0.0, 1.0, 0.0 ) ),
|
|
-aOrientation.y );
|
|
lPos.Multiply( lOrient );
|
|
lOrient.SetRotation( gp_Ax1( gp_Pnt( 0.0, 0.0, 0.0 ), gp_Dir( 1.0, 0.0, 0.0 ) ),
|
|
-aOrientation.x );
|
|
lPos.Multiply( lOrient );
|
|
|
|
aLocation = TopLoc_Location( lPos );
|
|
return true;
|
|
}
|
|
|
|
|
|
bool STEP_PCB_MODEL::readIGES( Handle( TDocStd_Document )& doc, const char* fname )
|
|
{
|
|
IGESControl_Controller::Init();
|
|
IGESCAFControl_Reader reader;
|
|
IFSelect_ReturnStatus stat = reader.ReadFile( fname );
|
|
|
|
if( stat != IFSelect_RetDone )
|
|
return false;
|
|
|
|
// Enable user-defined shape precision
|
|
if( !Interface_Static::SetIVal( "read.precision.mode", 1 ) )
|
|
return false;
|
|
|
|
// Set the shape conversion precision to USER_PREC (default 0.0001 has too many triangles)
|
|
if( !Interface_Static::SetRVal( "read.precision.val", USER_PREC ) )
|
|
return false;
|
|
|
|
// set other translation options
|
|
reader.SetColorMode( true ); // use model colors
|
|
reader.SetNameMode( false ); // don't use IGES label names
|
|
reader.SetLayerMode( false ); // ignore LAYER data
|
|
|
|
if( !reader.Transfer( doc ) )
|
|
{
|
|
if( doc->CanClose() == CDM_CCS_OK )
|
|
doc->Close();
|
|
|
|
return false;
|
|
}
|
|
|
|
// are there any shapes to translate?
|
|
if( reader.NbShapes() < 1 )
|
|
{
|
|
if( doc->CanClose() == CDM_CCS_OK )
|
|
doc->Close();
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool STEP_PCB_MODEL::readSTEP( Handle( TDocStd_Document )& doc, const char* fname )
|
|
{
|
|
STEPCAFControl_Reader reader;
|
|
IFSelect_ReturnStatus stat = reader.ReadFile( fname );
|
|
|
|
if( stat != IFSelect_RetDone )
|
|
return false;
|
|
|
|
// Enable user-defined shape precision
|
|
if( !Interface_Static::SetIVal( "read.precision.mode", 1 ) )
|
|
return false;
|
|
|
|
// Set the shape conversion precision to USER_PREC (default 0.0001 has too many triangles)
|
|
if( !Interface_Static::SetRVal( "read.precision.val", USER_PREC ) )
|
|
return false;
|
|
|
|
// set other translation options
|
|
reader.SetColorMode( true ); // use model colors
|
|
reader.SetNameMode( true ); // use label names
|
|
reader.SetLayerMode( false ); // ignore LAYER data
|
|
|
|
if( !reader.Transfer( doc ) )
|
|
{
|
|
if( doc->CanClose() == CDM_CCS_OK )
|
|
doc->Close();
|
|
|
|
return false;
|
|
}
|
|
|
|
// are there any shapes to translate?
|
|
if( reader.NbRootsForTransfer() < 1 )
|
|
{
|
|
if( doc->CanClose() == CDM_CCS_OK )
|
|
doc->Close();
|
|
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
TDF_Label STEP_PCB_MODEL::transferModel( Handle( TDocStd_Document )& source,
|
|
Handle( TDocStd_Document )& dest, VECTOR3D aScale )
|
|
{
|
|
// transfer data from Source into a top level component of Dest
|
|
gp_GTrsf scale_transform;
|
|
scale_transform.SetVectorialPart( gp_Mat( aScale.x, 0, 0,
|
|
0, aScale.y, 0,
|
|
0, 0, aScale.z ) );
|
|
BRepBuilderAPI_GTransform brep( scale_transform );
|
|
|
|
// s_assy = shape tool for the source
|
|
Handle(XCAFDoc_ShapeTool) s_assy = XCAFDoc_DocumentTool::ShapeTool( source->Main() );
|
|
|
|
// retrieve all free shapes within the assembly
|
|
TDF_LabelSequence frshapes;
|
|
s_assy->GetFreeShapes( frshapes );
|
|
|
|
// d_assy = shape tool for the destination
|
|
Handle( XCAFDoc_ShapeTool ) d_assy = XCAFDoc_DocumentTool::ShapeTool ( dest->Main() );
|
|
|
|
// create a new shape within the destination and set the assembly tool to point to it
|
|
TDF_Label component = d_assy->NewShape();
|
|
|
|
int nshapes = frshapes.Length();
|
|
int id = 1;
|
|
Handle( XCAFDoc_ColorTool ) scolor = XCAFDoc_DocumentTool::ColorTool( source->Main() );
|
|
Handle( XCAFDoc_ColorTool ) dcolor = XCAFDoc_DocumentTool::ColorTool( dest->Main() );
|
|
TopExp_Explorer dtop;
|
|
TopExp_Explorer stop;
|
|
|
|
while( id <= nshapes )
|
|
{
|
|
const TDF_Label& s_shapeLabel = frshapes.Value( id );
|
|
TopoDS_Shape shape = s_assy->GetShape( s_shapeLabel );
|
|
|
|
if( !shape.IsNull() )
|
|
{
|
|
Handle( TDataStd_Name ) s_nameAttr;
|
|
s_shapeLabel.FindAttribute( TDataStd_Name::GetID(), s_nameAttr );
|
|
|
|
TCollection_ExtendedString s_labelName =
|
|
s_nameAttr ? s_nameAttr->Get() : TCollection_ExtendedString();
|
|
|
|
TopoDS_Shape scaled_shape( shape );
|
|
|
|
if( aScale.x != 1.0 || aScale.y != 1.0 || aScale.z != 1.0 )
|
|
{
|
|
brep.Perform( shape, Standard_False );
|
|
|
|
if( brep.IsDone() )
|
|
{
|
|
scaled_shape = brep.Shape();
|
|
}
|
|
else
|
|
{
|
|
ReportMessage( wxT( " * transfertModel(): failed to scale model\n" ) );
|
|
|
|
scaled_shape = shape;
|
|
}
|
|
}
|
|
|
|
TDF_Label d_shapeLabel = d_assy->AddShape( scaled_shape, Standard_False );
|
|
|
|
if( s_labelName.Length() > 0 )
|
|
TDataStd_Name::Set( d_shapeLabel, s_labelName );
|
|
|
|
TDF_Label niulab =
|
|
d_assy->AddComponent( component, d_shapeLabel, scaled_shape.Location() );
|
|
|
|
// check for per-surface colors
|
|
stop.Init( shape, TopAbs_FACE );
|
|
dtop.Init( d_assy->GetShape( niulab ), TopAbs_FACE );
|
|
|
|
while( stop.More() && dtop.More() )
|
|
{
|
|
Quantity_Color face_color;
|
|
|
|
TDF_Label tl;
|
|
|
|
// give priority to the base shape's color
|
|
if( s_assy->FindShape( stop.Current(), tl ) )
|
|
{
|
|
if( scolor->GetColor( tl, XCAFDoc_ColorSurf, face_color )
|
|
|| scolor->GetColor( tl, XCAFDoc_ColorGen, face_color )
|
|
|| scolor->GetColor( tl, XCAFDoc_ColorCurv, face_color ) )
|
|
{
|
|
dcolor->SetColor( dtop.Current(), face_color, XCAFDoc_ColorSurf );
|
|
}
|
|
}
|
|
else if( scolor->GetColor( stop.Current(), XCAFDoc_ColorSurf, face_color )
|
|
|| scolor->GetColor( stop.Current(), XCAFDoc_ColorGen, face_color )
|
|
|| scolor->GetColor( stop.Current(), XCAFDoc_ColorCurv, face_color ) )
|
|
{
|
|
dcolor->SetColor( dtop.Current(), face_color, XCAFDoc_ColorSurf );
|
|
}
|
|
|
|
stop.Next();
|
|
dtop.Next();
|
|
}
|
|
|
|
// check for per-solid colors
|
|
stop.Init( shape, TopAbs_SOLID );
|
|
dtop.Init( d_assy->GetShape( niulab ), TopAbs_SOLID, TopAbs_FACE );
|
|
|
|
while( stop.More() && dtop.More() )
|
|
{
|
|
Quantity_Color face_color;
|
|
|
|
TDF_Label tl;
|
|
|
|
// give priority to the base shape's color
|
|
if( s_assy->FindShape( stop.Current(), tl ) )
|
|
{
|
|
if( scolor->GetColor( tl, XCAFDoc_ColorSurf, face_color )
|
|
|| scolor->GetColor( tl, XCAFDoc_ColorGen, face_color )
|
|
|| scolor->GetColor( tl, XCAFDoc_ColorCurv, face_color ) )
|
|
{
|
|
dcolor->SetColor( dtop.Current(), face_color, XCAFDoc_ColorGen );
|
|
}
|
|
}
|
|
else if( scolor->GetColor( stop.Current(), XCAFDoc_ColorSurf, face_color )
|
|
|| scolor->GetColor( stop.Current(), XCAFDoc_ColorGen, face_color )
|
|
|| scolor->GetColor( stop.Current(), XCAFDoc_ColorCurv, face_color ) )
|
|
{
|
|
dcolor->SetColor( dtop.Current(), face_color, XCAFDoc_ColorSurf );
|
|
}
|
|
|
|
stop.Next();
|
|
dtop.Next();
|
|
}
|
|
}
|
|
|
|
++id;
|
|
};
|
|
|
|
return component;
|
|
}
|
|
|
|
|
|
bool STEP_PCB_MODEL::WriteGLTF( const wxString& aFileName )
|
|
{
|
|
if( !isBoardOutlineValid() )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "No valid PCB assembly; cannot create output file "
|
|
"'%s'.\n" ),
|
|
aFileName ) );
|
|
return false;
|
|
}
|
|
|
|
TDF_LabelSequence freeShapes;
|
|
m_assy->GetFreeShapes( freeShapes );
|
|
|
|
ReportMessage( wxT( "Meshing model\n" ) );
|
|
|
|
// GLTF is a mesh format, we have to trigger opencascade to mesh the shapes we composited into the asesmbly
|
|
// To mesh models, lets just grab the free shape root and execute on them
|
|
for( Standard_Integer i = 1; i <= freeShapes.Length(); ++i )
|
|
{
|
|
TDF_Label label = freeShapes.Value( i );
|
|
TopoDS_Shape shape;
|
|
m_assy->GetShape( label, shape );
|
|
|
|
// These deflection values basically affect the accuracy of the mesh generated, a tighter
|
|
// deflection will result in larger meshes
|
|
// We could make this a tunable parameter, but for now fix it
|
|
const Standard_Real linearDeflection = 0.01;
|
|
const Standard_Real angularDeflection = 0.5;
|
|
BRepMesh_IncrementalMesh mesh( shape, linearDeflection, Standard_False, angularDeflection,
|
|
Standard_True );
|
|
}
|
|
|
|
wxFileName fn( aFileName );
|
|
|
|
const char* tmpGltfname = "$tempfile$.glb";
|
|
RWGltf_CafWriter cafWriter( tmpGltfname, true );
|
|
|
|
cafWriter.SetTransformationFormat( RWGltf_WriterTrsfFormat_Compact );
|
|
cafWriter.ChangeCoordinateSystemConverter().SetInputLengthUnit( 0.001 );
|
|
cafWriter.ChangeCoordinateSystemConverter().SetInputCoordinateSystem(
|
|
RWMesh_CoordinateSystem_Zup );
|
|
#if OCC_VERSION_HEX >= 0x070700
|
|
cafWriter.SetParallel( true );
|
|
#endif
|
|
TColStd_IndexedDataMapOfStringString metadata;
|
|
|
|
metadata.Add( TCollection_AsciiString( "pcb_name" ),
|
|
TCollection_ExtendedString( fn.GetName().wc_str() ) );
|
|
metadata.Add( TCollection_AsciiString( "source_pcb_file" ),
|
|
TCollection_ExtendedString( fn.GetFullName().wc_str() ) );
|
|
metadata.Add( TCollection_AsciiString( "generator" ),
|
|
TCollection_AsciiString( wxString::Format( wxS( "KiCad %s" ), GetSemanticVersion() ).ToAscii() ) );
|
|
metadata.Add( TCollection_AsciiString( "generated_at" ),
|
|
TCollection_AsciiString( GetISO8601CurrentDateTime().ToAscii() ) );
|
|
|
|
bool success = true;
|
|
|
|
// Creates a temporary file with a ascii7 name, because writer does not know unicode filenames.
|
|
wxString currCWD = wxGetCwd();
|
|
wxString workCWD = fn.GetPath();
|
|
|
|
if( !workCWD.IsEmpty() )
|
|
wxSetWorkingDirectory( workCWD );
|
|
|
|
success = cafWriter.Perform( m_doc, metadata, Message_ProgressRange() );
|
|
|
|
if( success )
|
|
{
|
|
// Preserve the permissions of the current file
|
|
KIPLATFORM::IO::DuplicatePermissions( fn.GetFullPath(), tmpGltfname );
|
|
|
|
if( !wxRenameFile( tmpGltfname, fn.GetFullName(), true ) )
|
|
{
|
|
ReportMessage( wxString::Format( wxT( "Cannot rename temporary file '%s' to '%s'.\n" ),
|
|
tmpGltfname, fn.GetFullName() ) );
|
|
success = false;
|
|
}
|
|
}
|
|
|
|
wxSetWorkingDirectory( currCWD );
|
|
|
|
return success;
|
|
} |