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@ -39,6 +39,8 @@ |
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#include <footprint.h>
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#include <pad.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 "step_pcb_model.h"
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#include "streamwrapper.h"
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@ -89,6 +91,8 @@ |
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#include <gp_Pnt.hxx>
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#include <Geom_BezierCurve.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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@ -1038,7 +1042,7 @@ bool STEP_PCB_MODEL::getModelLabel( const std::string& aFileNameUTF8, VECTOR3D a |
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else // Substitution is not allowed
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{ |
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if( aErrorMessage ) |
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aErrorMessage->Printf( wxT( "Cannot add a VRML model to a STEP file.\n" ) ); |
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aErrorMessage->Printf( wxT( "Cannot load any VRML model for this export.\n" ) ); |
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return false; |
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} |
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@ -1330,3 +1334,88 @@ TDF_Label STEP_PCB_MODEL::transferModel( Handle( TDocStd_Document )& source, |
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return component; |
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} |
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bool STEP_PCB_MODEL::WriteGLTF( const wxString& aFileName ) |
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{ |
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if( !isBoardOutlineValid() ) |
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{ |
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ReportMessage( wxString::Format( wxT( "No valid PCB assembly; cannot create output file " |
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"'%s'.\n" ), |
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aFileName ) ); |
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return false; |
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} |
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TDF_LabelSequence freeShapes; |
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m_assy->GetFreeShapes( freeShapes ); |
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ReportMessage( wxT( "Meshing model\n" ) ); |
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// GLTF is a mesh format, we have to trigger opencascade to mesh the shapes we composited into the asesmbly
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// To mesh models, lets just grab the free shape root and execute on them
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for( Standard_Integer i = 1; i <= freeShapes.Length(); ++i ) |
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{ |
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TDF_Label label = freeShapes.Value( i ); |
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TopoDS_Shape shape; |
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m_assy->GetShape( label, shape ); |
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// These deflection values basically affect the accuracy of the mesh generated, a tighter
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// deflection will result in larger meshes
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// We could make this a tunable parameter, but for now fix it
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const Standard_Real linearDeflection = 0.01; |
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const Standard_Real angularDeflection = 0.5; |
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BRepMesh_IncrementalMesh mesh( shape, linearDeflection, Standard_False, angularDeflection, |
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Standard_True ); |
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} |
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wxFileName fn( aFileName ); |
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const char* tmpGltfname = "$tempfile$.glb"; |
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RWGltf_CafWriter cafWriter( tmpGltfname, true ); |
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cafWriter.SetTransformationFormat( RWGltf_WriterTrsfFormat_Compact ); |
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cafWriter.ChangeCoordinateSystemConverter().SetInputLengthUnit( 0.001 ); |
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cafWriter.ChangeCoordinateSystemConverter().SetInputCoordinateSystem( |
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RWMesh_CoordinateSystem_Zup ); |
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#if OCC_VERSION_HEX >= 0x070700
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cafWriter.SetParallel( true ); |
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#endif
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TColStd_IndexedDataMapOfStringString metadata; |
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metadata.Add( TCollection_AsciiString( "pcb_name" ), |
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TCollection_ExtendedString( fn.GetName().wc_str() ) ); |
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metadata.Add( TCollection_AsciiString( "source_pcb_file" ), |
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TCollection_ExtendedString( fn.GetFullName().wc_str() ) ); |
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metadata.Add( TCollection_AsciiString( "generator" ), |
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TCollection_AsciiString( wxString::Format( wxS( "KiCad %s" ), GetSemanticVersion() ).ToAscii() ) ); |
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metadata.Add( TCollection_AsciiString( "generated_at" ), |
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TCollection_AsciiString( GetISO8601CurrentDateTime().ToAscii() ) ); |
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bool success = true; |
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// Creates a temporary file with a ascii7 name, because writer does not know unicode filenames.
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wxString currCWD = wxGetCwd(); |
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wxString workCWD = fn.GetPath(); |
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if( !workCWD.IsEmpty() ) |
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wxSetWorkingDirectory( workCWD ); |
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success = cafWriter.Perform( m_doc, metadata, Message_ProgressRange() ); |
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if( success ) |
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{ |
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// Preserve the permissions of the current file
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KIPLATFORM::IO::DuplicatePermissions( fn.GetFullPath(), tmpGltfname ); |
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if( !wxRenameFile( tmpGltfname, fn.GetFullName(), true ) ) |
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{ |
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ReportMessage( wxString::Format( wxT( "Cannot rename temporary file '%s' to '%s'.\n" ), |
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tmpGltfname, fn.GetFullName() ) ); |
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success = false; |
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} |
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} |
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wxSetWorkingDirectory( currCWD ); |
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return success; |
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} |
Marek Roszko
2 years ago