mirror of
https://github.com/NGSolve/netgen.git
synced 2024-12-26 22:00:33 +05:00
2478 lines
79 KiB
C++
2478 lines
79 KiB
C++
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#ifdef OCCGEOMETRY
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#include <cstdio>
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#include <set>
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#include <mystdlib.h>
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#include <core/register_archive.hpp>
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#include "occ_vertex.hpp"
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#include "occ_edge.hpp"
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#include "occ_face.hpp"
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#include "occ_solid.hpp"
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#include "occgeom.hpp"
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#include "Partition_Spliter.hxx"
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#include <BinTools.hxx>
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#include <BOPAlgo_Builder.hxx>
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#include <BRepBndLib.hxx>
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#include <BRepBuilderAPI_Copy.hxx>
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#include <BRepBuilderAPI_MakeSolid.hxx>
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#include <BRepBuilderAPI_MakeVertex.hxx>
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#include <BRepCheck_Analyzer.hxx>
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#include <BRepExtrema_DistShapeShape.hxx>
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#include <BRepGProp.hxx>
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#include <BRepLib.hxx>
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#include <BRepOffsetAPI_Sewing.hxx>
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#include <BRepTools.hxx>
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#include <IGESCAFControl_Reader.hxx>
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#include <IGESControl_Writer.hxx>
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#include <Interface_InterfaceModel.hxx>
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#include <Interface_Static.hxx>
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#include <STEPCAFControl_Writer.hxx>
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#include <STEPConstruct.hxx>
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#include <STEPControl_Writer.hxx>
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#include <ShapeAnalysis_CheckSmallFace.hxx>
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#include <ShapeAnalysis_DataMapOfShapeListOfReal.hxx>
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#include <ShapeAnalysis_ShapeContents.hxx>
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#include <ShapeBuild_ReShape.hxx>
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#include <ShapeFix_Face.hxx>
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#include <ShapeFix_FixSmallFace.hxx>
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#include <ShapeFix_Shape.hxx>
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#include <ShapeFix_Wire.hxx>
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#include <ShapeFix_Wireframe.hxx>
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#include <StepBasic_ProductDefinitionRelationship.hxx>
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#include <StepRepr_RepresentationItem.hxx>
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#include <StlAPI_Writer.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TransferBRep.hxx>
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#include <Transfer_FinderProcess.hxx>
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#include <Transfer_TransientProcess.hxx>
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#include <XCAFApp_Application.hxx>
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#include <XCAFDoc_ColorTool.hxx>
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#include <XCAFDoc_DocumentTool.hxx>
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#include <XCAFDoc_ShapeTool.hxx>
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#include <XCAFPrs.hxx>
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#include <XCAFPrs_Style.hxx>
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#include <XSControl_TransferReader.hxx>
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#include <XSControl_WorkSession.hxx>
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#if OCC_VERSION_HEX < 0x070000
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// pass
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#elif OCC_VERSION_HEX < 0x070200
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#include <StlTransfer.hxx>
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#include <TopoDS_Iterator.hxx>
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#else
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#include <TopoDS_Iterator.hxx>
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#endif
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namespace netgen
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{
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void LoadOCCInto(OCCGeometry* occgeo, const filesystem::path & filename);
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void PrintContents (OCCGeometry * geom);
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// Utility function to apply builder and propagate properties
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template <typename T>
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static TopoDS_Shape Apply(T & builder, TopoDS_Shape & shape) {
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auto newshape = builder->Apply(shape);
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PropagateProperties(*builder, newshape);
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return newshape;
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};
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TopTools_IndexedMapOfShape OCCGeometry::global_shape_property_indices;
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std::vector<ShapeProperties> OCCGeometry::global_shape_properties;
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TopTools_IndexedMapOfShape OCCGeometry::global_identification_indices;
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std::vector<std::vector<OCCIdentification>> OCCGeometry::global_identifications;
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TopoDS_Shape ListOfShapes::Max(gp_Vec dir)
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{
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double maxval = -1e99;
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TopoDS_Shape maxshape;
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for (auto shape : *this)
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{
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GProp_GProps props;
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gp_Pnt center;
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switch (shape.ShapeType())
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{
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case TopAbs_VERTEX:
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center = BRep_Tool::Pnt (TopoDS::Vertex(shape)); break;
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case TopAbs_FACE:
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BRepGProp::SurfaceProperties (shape, props);
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center = props.CentreOfMass();
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break;
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default:
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BRepGProp::LinearProperties(shape, props);
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center = props.CentreOfMass();
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}
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double val = center.X()*dir.X() + center.Y()*dir.Y() + center.Z() * dir.Z();
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if (val > maxval)
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{
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maxval = val;
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maxshape = shape;
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}
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}
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return maxshape;
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}
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TopoDS_Shape ListOfShapes::Nearest(gp_Pnt pnt)
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{
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double mindist = 1e99;
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TopoDS_Shape nearestshape;
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auto vertex = BRepBuilderAPI_MakeVertex (pnt).Vertex();
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for (auto shape : *this)
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{
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double dist = BRepExtrema_DistShapeShape(shape, vertex).Value();
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if (dist < mindist)
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{
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nearestshape = shape;
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mindist = dist;
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}
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}
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return nearestshape;
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}
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ListOfShapes ListOfShapes::SubShapes(TopAbs_ShapeEnum type) const
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{
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TopTools_MapOfShape check_unique;
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ListOfShapes sub;
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for(const auto& shape : *this)
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for(TopExp_Explorer e(shape, type); e.More(); e.Next())
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if(const auto& s = e.Current(); !check_unique.Contains(s))
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{
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check_unique.Add(s);
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sub.push_back(s);
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}
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return sub;
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}
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OCCGeometry::OCCGeometry(const TopoDS_Shape& _shape, int aoccdim, bool copy)
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{
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if(copy)
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{
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auto filename = GetTempFilename();
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step_utils::WriteSTEP(_shape, filename);
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LoadOCCInto(this, filename);
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dimension = aoccdim;
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filesystem::remove(filename);
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}
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else
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{
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shape = _shape;
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changed = 1;
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dimension = aoccdim;
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BuildFMap();
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CalcBoundingBox();
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PrintContents (this);
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}
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}
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const GeometryShape & OCCGeometry :: GetShape(const TopoDS_Shape & shape) const
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{
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switch (shape.ShapeType())
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{
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case TopAbs_VERTEX:
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return GetVertex(shape);
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case TopAbs_EDGE:
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return GetEdge(shape);
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case TopAbs_FACE:
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return GetFace(shape);
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default:
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throw Exception("unknown shape type");
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}
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}
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const GeometryVertex & OCCGeometry :: GetVertex(const TopoDS_Shape & shape) const
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{
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return *vertices[vmap.FindIndex(shape)-1];
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}
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const GeometryEdge & OCCGeometry :: GetEdge(const TopoDS_Shape & shape) const
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{
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return *edges[emap.FindIndex(shape)-1];
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}
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const GeometryFace & OCCGeometry :: GetFace(const TopoDS_Shape & shape) const
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{
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return *faces[fmap.FindIndex(shape)-1];
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}
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string STEP_GetEntityName(const TopoDS_Shape & theShape, STEPCAFControl_Reader * aReader)
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{
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const Handle(XSControl_WorkSession)& theSession = aReader->Reader().WS();
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const Handle(XSControl_TransferReader)& aTransferReader =
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theSession->TransferReader();
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Handle(Standard_Transient) anEntity =
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aTransferReader->EntityFromShapeResult(theShape, 1);
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if (anEntity.IsNull()) // as just mapped
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anEntity = aTransferReader->EntityFromShapeResult (theShape,-1);
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if (anEntity.IsNull()) // as anything
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anEntity = aTransferReader->EntityFromShapeResult (theShape,4);
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if (anEntity.IsNull())
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{
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cout<<"Warning: cannot get entity from shape" <<endl;
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return "none";
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}
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auto aReprItem = Handle(StepRepr_RepresentationItem)::DownCast(anEntity);
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if(!aReprItem.IsNull())
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return aReprItem->Name()->ToCString();;
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auto bReprItem = Handle(StepBasic_ProductDefinitionRelationship)::DownCast(anEntity);
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if (!bReprItem.IsNull())
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return bReprItem->Description()->ToCString();
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cout<<"Warning: unknown entity type " << anEntity->DynamicType() << endl;
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return "none";
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}
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void OCCGeometry :: Analyse(Mesh& mesh,
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const MeshingParameters& mparam) const
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{
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OCCSetLocalMeshSize(*this, mesh, mparam, occparam);
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}
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bool OCCGeometry :: MeshFace(Mesh& mesh,
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const MeshingParameters& mparam, int nr, FlatArray<int, PointIndex> glob2loc) const
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{
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MeshingParameters local_mp = mparam;
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auto face = TopoDS::Face(fmap(nr+1));
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if(auto quad_dominated = OCCGeometry::GetProperties(face).quad_dominated; quad_dominated.has_value())
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local_mp.quad = *quad_dominated;
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bool failed = OCCMeshFace(*this, mesh, glob2loc, local_mp, nr, PARAMETERSPACE, true);
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if(failed)
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failed = OCCMeshFace(*this, mesh, glob2loc, local_mp, nr, PLANESPACE, false);
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if(failed)
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{
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facemeshstatus[nr] = -1;
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PrintError ("Problem in Surface mesh generation");
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}
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else
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{
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facemeshstatus[nr] = 1;
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}
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return failed;
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}
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void OCCGeometry :: PrintNrShapes ()
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{
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TopExp_Explorer e;
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int count = 0;
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for (e.Init(shape, TopAbs_COMPSOLID); e.More(); e.Next()) count++;
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cout << "CompSolids: " << count << endl;
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cout << "Solids : " << somap.Extent() << endl;
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cout << "Shells : " << shmap.Extent() << endl;
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cout << "Faces : " << fmap.Extent() << endl;
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cout << "Edges : " << emap.Extent() << endl;
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cout << "Vertices : " << vmap.Extent() << endl;
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}
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void PrintContents (OCCGeometry * geom)
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{
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ShapeAnalysis_ShapeContents cont;
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cont.Clear();
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cont.Perform(geom->shape);
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(*testout) << "OCC CONTENTS" << endl;
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(*testout) << "============" << endl;
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(*testout) << "SOLIDS : " << cont.NbSolids() << endl;
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(*testout) << "SHELLS : " << cont.NbShells() << endl;
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(*testout) << "FACES : " << cont.NbFaces() << endl;
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(*testout) << "WIRES : " << cont.NbWires() << endl;
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(*testout) << "EDGES : " << cont.NbEdges() << endl;
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(*testout) << "VERTICES : " << cont.NbVertices() << endl;
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TopExp_Explorer e;
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int count = 0;
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for (e.Init(geom->shape, TopAbs_COMPOUND); e.More(); e.Next())
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count++;
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(*testout) << "Compounds: " << count << endl;
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count = 0;
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for (e.Init(geom->shape, TopAbs_COMPSOLID); e.More(); e.Next())
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count++;
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(*testout) << "CompSolids: " << count << endl;
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(*testout) << endl;
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cout << IM(3) << "Highest entry in topology hierarchy: " << endl;
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if (count)
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cout << IM(3) << count << " composite solid(s)" << endl;
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else
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if (geom->somap.Extent())
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cout << IM(3) << geom->somap.Extent() << " solid(s)" << endl;
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else
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if (geom->shmap.Extent())
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cout << IM(3) << geom->shmap.Extent() << " shells(s)" << endl;
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else
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if (geom->fmap.Extent())
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cout << IM(3) << geom->fmap.Extent() << " face(s)" << endl;
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else
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if (geom->wmap.Extent())
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cout << IM(3) << geom->wmap.Extent() << " wire(s)" << endl;
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else
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if (geom->emap.Extent())
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cout << IM(3) << geom->emap.Extent() << " edge(s)" << endl;
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else
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if (geom->vmap.Extent())
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cout << IM(3) << geom->vmap.Extent() << " vertices(s)" << endl;
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else
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cout << IM(3) << "no entities" << endl;
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}
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void OCCGeometry :: GlueGeometry()
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{
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PrintMessage(1, "OCC Glue Geometry");
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/*
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//
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BRep_Builder builder;
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TopoDS_Shape my_fuse;
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int cnt = 0;
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for (TopExp_Explorer exp_solid(shape, TopAbs_SOLID); exp_solid.More(); exp_solid.Next())
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{
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cout << "cnt = " << cnt << endl;
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if (cnt == 0)
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my_fuse = exp_solid.Current();
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else
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// my_fuse = BRepAlgoAPI_Fuse (my_fuse, exp_solid.Current());
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my_fuse = QANewModTopOpe_Glue::QANewModTopOpe_Glue(my_fuse, exp_solid.Current());
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cnt++;
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}
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cout << "remove" << endl;
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// for (int i = 1; i <= somap.Size(); i++)
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// builder.Remove (shape, somap(i));
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cout << "now add" << endl;
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// builder.Add (shape, my_fuse);
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shape = my_fuse;
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cout << "build fmap" << endl;
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BuildFMap();
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*/
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// from
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// https://www.opencascade.com/doc/occt-7.4.0/overview/html/occt_user_guides__boolean_operations.html
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BOPAlgo_Builder aBuilder;
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// Setting arguments
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TopTools_ListOfShape aLSObjects;
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for (TopExp_Explorer exp_solid(shape, TopAbs_SOLID); exp_solid.More(); exp_solid.Next())
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aLSObjects.Append (exp_solid.Current());
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aBuilder.SetArguments(aLSObjects);
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// Setting options for GF
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// Set parallel processing mode (default is false)
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// Standard_Boolean bRunParallel = Standard_True;
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// aBuilder.SetRunParallel(bRunParallel);
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// Set Fuzzy value (default is Precision::Confusion())
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// Standard_Real aFuzzyValue = 1.e-5;
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// aBuilder.SetFuzzyValue(aFuzzyValue);
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// Set safe processing mode (default is false)
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// Standard_Boolean bSafeMode = Standard_True;
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// aBuilder.SetNonDestructive(bSafeMode);
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// Set Gluing mode for coinciding arguments (default is off)
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// BOPAlgo_GlueEnum aGlue = BOPAlgo_GlueShift;
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// aBuilder.SetGlue(aGlue);
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// Disabling/Enabling the check for inverted solids (default is true)
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// Standard Boolean bCheckInverted = Standard_False;
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// aBuilder.SetCheckInverted(bCheckInverted);
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// Set OBB usage (default is false)
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// Standard_Boolean bUseOBB = Standard_True;
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// aBuilder.SetUseOBB(buseobb);
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// Perform the operation
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aBuilder.Perform();
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// Check for the errors
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#if OCC_VERSION_HEX >= 0x070200
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if (aBuilder.HasErrors())
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{
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cout << "builder has errors" << endl;
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return;
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}
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// Check for the warnings
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if (aBuilder.HasWarnings())
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{
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// treatment of the warnings
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;
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}
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#endif
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PropagateProperties(aBuilder, shape);
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// result of the operation
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shape = aBuilder.Shape();
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BuildFMap();
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}
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void OCCGeometry :: HealGeometry ()
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{
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int nrc = 0, nrcs = 0,
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nrso = somap.Extent(),
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nrsh = shmap.Extent(),
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nrf = fmap.Extent(),
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nrw = wmap.Extent(),
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nre = emap.Extent(),
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nrv = vmap.Extent();
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TopExp_Explorer exp0;
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TopExp_Explorer exp1;
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for (exp0.Init(shape, TopAbs_COMPOUND); exp0.More(); exp0.Next()) nrc++;
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for (exp0.Init(shape, TopAbs_COMPSOLID); exp0.More(); exp0.Next()) nrcs++;
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double surfacecont = 0;
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{
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Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
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Apply(rebuild, shape);
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for (exp1.Init (shape, TopAbs_EDGE); exp1.More(); exp1.Next())
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{
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TopoDS_Edge edge = TopoDS::Edge(exp1.Current());
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if ( BRep_Tool::Degenerated(edge) )
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rebuild->Remove(edge);
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}
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shape = Apply(rebuild, shape);
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}
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BuildFMap();
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for (exp0.Init (shape, TopAbs_FACE); exp0.More(); exp0.Next())
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{
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TopoDS_Face face = TopoDS::Face(exp0.Current());
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GProp_GProps system;
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BRepGProp::SurfaceProperties(face, system);
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surfacecont += system.Mass();
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}
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cout << "Starting geometry healing procedure (tolerance: " << tolerance << ")" << endl
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<< "-----------------------------------" << endl;
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{
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cout << endl << "- repairing faces" << endl;
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Handle(ShapeFix_Face) sff;
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Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
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Apply(rebuild, shape);
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for (exp0.Init (shape, TopAbs_FACE); exp0.More(); exp0.Next())
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{
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TopoDS_Face face = TopoDS::Face (exp0.Current());
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auto props = GetProperties(face);
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sff = new ShapeFix_Face (face);
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sff->FixAddNaturalBoundMode() = Standard_True;
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sff->FixSmallAreaWireMode() = Standard_True;
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sff->Perform();
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if(sff->Status(ShapeExtend_DONE1) ||
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sff->Status(ShapeExtend_DONE2) ||
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sff->Status(ShapeExtend_DONE3) ||
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sff->Status(ShapeExtend_DONE4) ||
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sff->Status(ShapeExtend_DONE5))
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{
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cout << "repaired face " << fmap.FindIndex(face) << " ";
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if(sff->Status(ShapeExtend_DONE1))
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cout << "(some wires are fixed)" <<endl;
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else if(sff->Status(ShapeExtend_DONE2))
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cout << "(orientation of wires fixed)" <<endl;
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else if(sff->Status(ShapeExtend_DONE3))
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cout << "(missing seam added)" <<endl;
|
|
else if(sff->Status(ShapeExtend_DONE4))
|
|
cout << "(small area wire removed)" <<endl;
|
|
else if(sff->Status(ShapeExtend_DONE5))
|
|
cout << "(natural bounds added)" <<endl;
|
|
TopoDS_Face newface = sff->Face();
|
|
|
|
rebuild->Replace(face, newface);
|
|
}
|
|
|
|
// Set the original properties of the face to the newly created
|
|
// face (after the healing process)
|
|
// GetProperties(face);
|
|
}
|
|
shape = Apply(rebuild, shape);
|
|
}
|
|
|
|
|
|
{
|
|
Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
|
|
Apply(rebuild, shape);
|
|
for (exp1.Init (shape, TopAbs_EDGE); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp1.Current());
|
|
if ( BRep_Tool::Degenerated(edge) )
|
|
rebuild->Remove(edge);
|
|
}
|
|
shape = Apply(rebuild, shape);
|
|
}
|
|
|
|
|
|
if (fixsmalledges)
|
|
{
|
|
cout << endl << "- fixing small edges" << endl;
|
|
|
|
Handle(ShapeFix_Wire) sfw;
|
|
Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
|
|
Apply(rebuild, shape);
|
|
|
|
|
|
for (exp0.Init (shape, TopAbs_FACE); exp0.More(); exp0.Next())
|
|
{
|
|
TopoDS_Face face = TopoDS::Face(exp0.Current());
|
|
|
|
for (exp1.Init (face, TopAbs_WIRE); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Wire oldwire = TopoDS::Wire(exp1.Current());
|
|
sfw = new ShapeFix_Wire (oldwire, face ,tolerance);
|
|
sfw->ModifyTopologyMode() = Standard_True;
|
|
|
|
sfw->ClosedWireMode() = Standard_True;
|
|
|
|
bool replace = false;
|
|
|
|
replace = sfw->FixReorder() || replace;
|
|
|
|
replace = sfw->FixConnected() || replace;
|
|
|
|
|
|
|
|
if (sfw->FixSmall (Standard_False, tolerance) && ! (sfw->StatusSmall(ShapeExtend_FAIL1) ||
|
|
sfw->StatusSmall(ShapeExtend_FAIL2) ||
|
|
sfw->StatusSmall(ShapeExtend_FAIL3)))
|
|
{
|
|
cout << "Fixed small edge in wire " << wmap.FindIndex (oldwire) << endl;
|
|
replace = true;
|
|
|
|
}
|
|
else if (sfw->StatusSmall(ShapeExtend_FAIL1))
|
|
cerr << "Failed to fix small edge in wire " << wmap.FindIndex (oldwire)
|
|
<< ", edge cannot be checked (no 3d curve and no pcurve)" << endl;
|
|
else if (sfw->StatusSmall(ShapeExtend_FAIL2))
|
|
cerr << "Failed to fix small edge in wire " << wmap.FindIndex (oldwire)
|
|
<< ", edge is null-length and has different vertives at begin and end, and lockvtx is True or ModifiyTopologyMode is False" << endl;
|
|
else if (sfw->StatusSmall(ShapeExtend_FAIL3))
|
|
cerr << "Failed to fix small edge in wire " << wmap.FindIndex (oldwire)
|
|
<< ", CheckConnected has failed" << endl;
|
|
|
|
replace = sfw->FixEdgeCurves() || replace;
|
|
|
|
replace = sfw->FixDegenerated() || replace;
|
|
|
|
replace = sfw->FixSelfIntersection() || replace;
|
|
|
|
replace = sfw->FixLacking(Standard_True) || replace;
|
|
|
|
if(replace)
|
|
{
|
|
TopoDS_Wire newwire = sfw->Wire();
|
|
rebuild->Replace(oldwire, newwire);
|
|
}
|
|
|
|
//delete sfw; sfw = NULL;
|
|
|
|
}
|
|
}
|
|
|
|
shape = Apply(rebuild, shape);
|
|
|
|
|
|
|
|
{
|
|
BuildFMap();
|
|
Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
|
|
Apply(rebuild, shape);
|
|
|
|
for (exp1.Init (shape, TopAbs_EDGE); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp1.Current());
|
|
if (vmap.FindIndex(TopExp::FirstVertex (edge)) ==
|
|
vmap.FindIndex(TopExp::LastVertex (edge)))
|
|
{
|
|
GProp_GProps system;
|
|
BRepGProp::LinearProperties(edge, system);
|
|
if (system.Mass() < tolerance)
|
|
{
|
|
cout << "removing degenerated edge " << emap.FindIndex(edge)
|
|
<< " from vertex " << vmap.FindIndex(TopExp::FirstVertex (edge))
|
|
<< " to vertex " << vmap.FindIndex(TopExp::LastVertex (edge)) << endl;
|
|
rebuild->Remove(edge);
|
|
}
|
|
}
|
|
}
|
|
shape = Apply(rebuild, shape);
|
|
|
|
//delete rebuild; rebuild = NULL;
|
|
}
|
|
|
|
|
|
|
|
{
|
|
Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
|
|
Apply(rebuild, shape);
|
|
for (exp1.Init (shape, TopAbs_EDGE); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp1.Current());
|
|
if ( BRep_Tool::Degenerated(edge) )
|
|
rebuild->Remove(edge);
|
|
}
|
|
shape = Apply(rebuild, shape);
|
|
}
|
|
|
|
|
|
|
|
|
|
Handle(ShapeFix_Wireframe) sfwf = new ShapeFix_Wireframe;
|
|
sfwf->SetPrecision(tolerance);
|
|
sfwf->Load (shape);
|
|
sfwf->ModeDropSmallEdges() = Standard_True;
|
|
|
|
sfwf->SetPrecision(boundingbox.Diam());
|
|
|
|
if (sfwf->FixWireGaps())
|
|
{
|
|
cout << endl << "- fixing wire gaps" << endl;
|
|
if (sfwf->StatusWireGaps(ShapeExtend_OK)) cout << "no gaps found" << endl;
|
|
if (sfwf->StatusWireGaps(ShapeExtend_DONE1)) cout << "some 2D gaps fixed" << endl;
|
|
if (sfwf->StatusWireGaps(ShapeExtend_DONE2)) cout << "some 3D gaps fixed" << endl;
|
|
if (sfwf->StatusWireGaps(ShapeExtend_FAIL1)) cout << "failed to fix some 2D gaps" << endl;
|
|
if (sfwf->StatusWireGaps(ShapeExtend_FAIL2)) cout << "failed to fix some 3D gaps" << endl;
|
|
}
|
|
|
|
sfwf->SetPrecision(tolerance);
|
|
|
|
|
|
{
|
|
for (exp1.Init (shape, TopAbs_EDGE); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp1.Current());
|
|
if ( BRep_Tool::Degenerated(edge) )
|
|
cout << "degenerated edge at position 4" << endl;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
if (sfwf->FixSmallEdges())
|
|
{
|
|
cout << endl << "- fixing wire frames" << endl;
|
|
if (sfwf->StatusSmallEdges(ShapeExtend_OK)) cout << "no small edges found" << endl;
|
|
if (sfwf->StatusSmallEdges(ShapeExtend_DONE1)) cout << "some small edges fixed" << endl;
|
|
if (sfwf->StatusSmallEdges(ShapeExtend_FAIL1)) cout << "failed to fix some small edges" << endl;
|
|
}
|
|
|
|
|
|
|
|
auto newshape = sfwf->Shape();
|
|
PropagateProperties(*sfwf->Context(), newshape);
|
|
shape = newshape;
|
|
|
|
//delete sfwf; sfwf = NULL;
|
|
//delete rebuild; rebuild = NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
{
|
|
for (exp1.Init (shape, TopAbs_EDGE); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp1.Current());
|
|
if ( BRep_Tool::Degenerated(edge) )
|
|
cout << "degenerated edge at position 5" << endl;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
if (fixspotstripfaces)
|
|
{
|
|
|
|
cout << endl << "- fixing spot and strip faces" << endl;
|
|
Handle(ShapeFix_FixSmallFace) sffsm = new ShapeFix_FixSmallFace();
|
|
sffsm -> Init (shape);
|
|
sffsm -> SetPrecision (tolerance);
|
|
sffsm -> Perform();
|
|
|
|
auto newshape = sffsm -> FixShape();
|
|
PropagateProperties(*sffsm->Context(), newshape);
|
|
shape = newshape;
|
|
//delete sffsm; sffsm = NULL;
|
|
}
|
|
|
|
|
|
{
|
|
for (exp1.Init (shape, TopAbs_EDGE); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp1.Current());
|
|
if ( BRep_Tool::Degenerated(edge) )
|
|
cout << "degenerated edge at position 6" << endl;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
if (sewfaces)
|
|
{
|
|
cout << endl << "- sewing faces" << endl;
|
|
|
|
BRepOffsetAPI_Sewing sewedObj(tolerance);
|
|
|
|
for (exp0.Init (shape, TopAbs_FACE); exp0.More(); exp0.Next())
|
|
{
|
|
TopoDS_Face face = TopoDS::Face (exp0.Current());
|
|
sewedObj.Add (face);
|
|
}
|
|
|
|
sewedObj.Perform();
|
|
PropagateProperties(sewedObj, shape);
|
|
|
|
if (!sewedObj.SewedShape().IsNull())
|
|
shape = sewedObj.SewedShape();
|
|
else
|
|
cout << " not possible";
|
|
}
|
|
|
|
|
|
|
|
{
|
|
Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
|
|
rebuild->Apply(shape);
|
|
for (exp1.Init (shape, TopAbs_EDGE); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp1.Current());
|
|
if ( BRep_Tool::Degenerated(edge) )
|
|
rebuild->Remove(edge);
|
|
}
|
|
shape = Apply(rebuild, shape);
|
|
}
|
|
|
|
|
|
if (makesolids)
|
|
{
|
|
cout << endl << "- making solids" << endl;
|
|
|
|
BRepBuilderAPI_MakeSolid ms;
|
|
int count = 0;
|
|
for (exp0.Init(shape, TopAbs_SHELL); exp0.More(); exp0.Next())
|
|
{
|
|
count++;
|
|
ms.Add (TopoDS::Shell(exp0.Current()));
|
|
}
|
|
|
|
if (!count)
|
|
{
|
|
cout << " not possible (no shells)" << endl;
|
|
}
|
|
else
|
|
{
|
|
BRepCheck_Analyzer ba(ms);
|
|
if (ba.IsValid ())
|
|
{
|
|
Handle(ShapeFix_Shape) sfs = new ShapeFix_Shape;
|
|
sfs->Init (ms);
|
|
sfs->SetPrecision(tolerance);
|
|
sfs->SetMaxTolerance(tolerance);
|
|
sfs->Perform();
|
|
shape = sfs->Shape();
|
|
|
|
for (exp0.Init(shape, TopAbs_SOLID); exp0.More(); exp0.Next())
|
|
{
|
|
TopoDS_Solid solid = TopoDS::Solid(exp0.Current());
|
|
TopoDS_Solid newsolid = solid;
|
|
BRepLib::OrientClosedSolid (newsolid);
|
|
Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
|
|
// rebuild->Apply(shape);
|
|
rebuild->Replace(solid, newsolid);
|
|
TopoDS_Shape newshape = rebuild->Apply(shape, TopAbs_COMPSOLID);//, 1);
|
|
// TopoDS_Shape newshape = rebuild->Apply(shape);
|
|
shape = newshape;
|
|
}
|
|
|
|
//delete sfs; sfs = NULL;
|
|
}
|
|
else
|
|
cout << " not possible" << endl;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
if (splitpartitions)
|
|
{
|
|
cout << "- running SALOME partition splitter" << endl;
|
|
|
|
TopExp_Explorer e2;
|
|
Partition_Spliter ps;
|
|
int count = 0;
|
|
|
|
for (e2.Init (shape, TopAbs_SOLID);
|
|
e2.More(); e2.Next())
|
|
{
|
|
count++;
|
|
ps.AddShape (e2.Current());
|
|
}
|
|
|
|
ps.Compute();
|
|
shape = ps.Shape();
|
|
|
|
cout << " before: " << count << " solids" << endl;
|
|
|
|
count = 0;
|
|
for (e2.Init (shape, TopAbs_SOLID);
|
|
e2.More(); e2.Next()) count++;
|
|
|
|
cout << " after : " << count << " solids" << endl;
|
|
}
|
|
|
|
BuildFMap();
|
|
|
|
|
|
|
|
{
|
|
for (exp1.Init (shape, TopAbs_EDGE); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp1.Current());
|
|
if ( BRep_Tool::Degenerated(edge) )
|
|
cout << "degenerated edge at position 8" << endl;
|
|
}
|
|
}
|
|
|
|
|
|
double newsurfacecont = 0;
|
|
|
|
|
|
for (exp0.Init (shape, TopAbs_FACE); exp0.More(); exp0.Next())
|
|
{
|
|
TopoDS_Face face = TopoDS::Face(exp0.Current());
|
|
GProp_GProps system;
|
|
BRepGProp::SurfaceProperties(face, system);
|
|
newsurfacecont += system.Mass();
|
|
}
|
|
|
|
|
|
int nnrc = 0, nnrcs = 0,
|
|
nnrso = somap.Extent(),
|
|
nnrsh = shmap.Extent(),
|
|
nnrf = fmap.Extent(),
|
|
nnrw = wmap.Extent(),
|
|
nnre = emap.Extent(),
|
|
nnrv = vmap.Extent();
|
|
|
|
for (exp0.Init(shape, TopAbs_COMPOUND); exp0.More(); exp0.Next()) nnrc++;
|
|
for (exp0.Init(shape, TopAbs_COMPSOLID); exp0.More(); exp0.Next()) nnrcs++;
|
|
|
|
cout << "-----------------------------------" << endl;
|
|
cout << "Compounds : " << nnrc << " (" << nrc << ")" << endl;
|
|
cout << "Composite solids: " << nnrcs << " (" << nrcs << ")" << endl;
|
|
cout << "Solids : " << nnrso << " (" << nrso << ")" << endl;
|
|
cout << "Shells : " << nnrsh << " (" << nrsh << ")" << endl;
|
|
cout << "Wires : " << nnrw << " (" << nrw << ")" << endl;
|
|
cout << "Faces : " << nnrf << " (" << nrf << ")" << endl;
|
|
cout << "Edges : " << nnre << " (" << nre << ")" << endl;
|
|
cout << "Vertices : " << nnrv << " (" << nrv << ")" << endl;
|
|
cout << endl;
|
|
cout << "Total surface area : " << newsurfacecont << " (" << surfacecont << ")" << endl;
|
|
cout << endl;
|
|
}
|
|
|
|
|
|
// For 2d geometries, make sure all faces have a normal vector with positive z-component
|
|
void OCCGeometry :: FixFaceOrientation()
|
|
{
|
|
if(dimension!=2) return;
|
|
|
|
bool needs_fix = false;
|
|
Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
|
|
for (auto face : GetFaces(shape))
|
|
{
|
|
auto occface = OCCFace(face);
|
|
auto normal = occface.GetNormal(occ2ng(GetVertices(face)[0]));
|
|
if(normal[2] < 0) {
|
|
needs_fix = true;
|
|
// Need do copy the face, otherwise replace is ignored
|
|
BRepBuilderAPI_Copy copy(face);
|
|
auto newface = copy.Shape().Reversed();
|
|
GetProperties(newface).Merge(GetProperties(face));
|
|
rebuild->Replace(face, newface);
|
|
}
|
|
}
|
|
|
|
if(needs_fix )
|
|
shape = Apply(rebuild, shape);
|
|
}
|
|
|
|
void OCCGeometry :: BuildFMap()
|
|
{
|
|
somap.Clear();
|
|
shmap.Clear();
|
|
fmap.Clear();
|
|
wmap.Clear();
|
|
emap.Clear();
|
|
vmap.Clear();
|
|
|
|
TopExp_Explorer exp0, exp1, exp2, exp3, exp4, exp5;
|
|
|
|
// Check face orientation in 2d geometries
|
|
FixFaceOrientation();
|
|
|
|
for (exp0.Init(shape, TopAbs_COMPOUND);
|
|
exp0.More(); exp0.Next())
|
|
{
|
|
TopoDS_Compound compound = TopoDS::Compound (exp0.Current());
|
|
(*testout) << "compound" << endl;
|
|
int i = 0;
|
|
for (exp1.Init(compound, TopAbs_SHELL);
|
|
exp1.More(); exp1.Next())
|
|
{
|
|
(*testout) << "shell " << ++i << endl;
|
|
}
|
|
}
|
|
|
|
for (exp0.Init(shape, TopAbs_SOLID);
|
|
exp0.More(); exp0.Next())
|
|
{
|
|
TopoDS_Solid solid = TopoDS::Solid (exp0.Current());
|
|
|
|
if (somap.FindIndex(solid) < 1)
|
|
{
|
|
somap.Add (solid);
|
|
|
|
for (exp1.Init(solid, TopAbs_SHELL);
|
|
exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Shell shell = TopoDS::Shell (exp1.Current());
|
|
if (shmap.FindIndex(shell) < 1)
|
|
{
|
|
shmap.Add (shell);
|
|
|
|
for (exp2.Init(shell, TopAbs_FACE);
|
|
exp2.More(); exp2.Next())
|
|
{
|
|
TopoDS_Face face = TopoDS::Face(exp2.Current());
|
|
if (fmap.FindIndex(face) < 1)
|
|
{
|
|
fmap.Add (face);
|
|
(*testout) << "face " << fmap.FindIndex(face) << " ";
|
|
(*testout) << ((face.Orientation() == TopAbs_REVERSED) ? "-" : "+") << ", ";
|
|
(*testout) << ((exp2.Current().Orientation() == TopAbs_REVERSED) ? "-" : "+") << endl;
|
|
for (exp3.Init(exp2.Current(), TopAbs_WIRE);
|
|
exp3.More(); exp3.Next())
|
|
{
|
|
TopoDS_Wire wire = TopoDS::Wire (exp3.Current());
|
|
if (wmap.FindIndex(wire) < 1)
|
|
{
|
|
wmap.Add (wire);
|
|
|
|
for (exp4.Init(exp3.Current(), TopAbs_EDGE);
|
|
exp4.More(); exp4.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp4.Current());
|
|
if (emap.FindIndex(edge) < 1)
|
|
{
|
|
emap.Add (edge);
|
|
for (exp5.Init(exp4.Current(), TopAbs_VERTEX);
|
|
exp5.More(); exp5.Next())
|
|
{
|
|
TopoDS_Vertex vertex = TopoDS::Vertex(exp5.Current());
|
|
if (vmap.FindIndex(vertex) < 1)
|
|
vmap.Add (vertex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Free Shells
|
|
for (exp1.Init(shape, TopAbs_SHELL, TopAbs_SOLID); exp1.More(); exp1.Next())
|
|
{
|
|
TopoDS_Shell shell = TopoDS::Shell(exp1.Current());
|
|
if (shmap.FindIndex(shell) < 1)
|
|
{
|
|
shmap.Add (shell);
|
|
|
|
(*testout) << "shell " << shmap.FindIndex(shell) << " ";
|
|
(*testout) << ((shell.Orientation() == TopAbs_REVERSED) ? "-" : "+") << ", ";
|
|
(*testout) << ((exp1.Current().Orientation() == TopAbs_REVERSED) ? "-" : "+") << endl;
|
|
|
|
for (exp2.Init(shell, TopAbs_FACE); exp2.More(); exp2.Next())
|
|
{
|
|
TopoDS_Face face = TopoDS::Face(exp2.Current());
|
|
if (fmap.FindIndex(face) < 1)
|
|
{
|
|
fmap.Add (face);
|
|
|
|
for (exp3.Init(face, TopAbs_WIRE); exp3.More(); exp3.Next())
|
|
{
|
|
TopoDS_Wire wire = TopoDS::Wire (exp3.Current());
|
|
if (wmap.FindIndex(wire) < 1)
|
|
{
|
|
wmap.Add (wire);
|
|
|
|
for (exp4.Init(wire, TopAbs_EDGE); exp4.More(); exp4.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp4.Current());
|
|
if (emap.FindIndex(edge) < 1)
|
|
{
|
|
emap.Add (edge);
|
|
for (exp5.Init(edge, TopAbs_VERTEX); exp5.More(); exp5.Next())
|
|
{
|
|
TopoDS_Vertex vertex = TopoDS::Vertex(exp5.Current());
|
|
if (vmap.FindIndex(vertex) < 1)
|
|
vmap.Add (vertex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Free Faces
|
|
for (auto face : MyExplorer(shape, TopAbs_FACE, TopAbs_SHELL))
|
|
if (!fmap.Contains(face))
|
|
{
|
|
fmap.Add (face);
|
|
for (auto wire : MyExplorer(face, TopAbs_WIRE))
|
|
if (!wmap.Contains(wire))
|
|
{
|
|
wmap.Add (wire);
|
|
for (auto edge : MyExplorer(wire, TopAbs_EDGE))
|
|
if (!emap.Contains(edge))
|
|
{
|
|
emap.Add (edge);
|
|
for (auto vertex : MyExplorer(edge, TopAbs_VERTEX))
|
|
if (!vmap.Contains(vertex))
|
|
vmap.Add (vertex);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Free Wires
|
|
|
|
for (exp3.Init(shape, TopAbs_WIRE, TopAbs_FACE); exp3.More(); exp3.Next())
|
|
{
|
|
TopoDS_Wire wire = TopoDS::Wire (exp3.Current());
|
|
if (wmap.FindIndex(wire) < 1)
|
|
{
|
|
wmap.Add (wire);
|
|
|
|
for (exp4.Init(exp3.Current(), TopAbs_EDGE); exp4.More(); exp4.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp4.Current());
|
|
if (emap.FindIndex(edge) < 1)
|
|
{
|
|
emap.Add (edge);
|
|
for (exp5.Init(exp4.Current(), TopAbs_VERTEX); exp5.More(); exp5.Next())
|
|
{
|
|
TopoDS_Vertex vertex = TopoDS::Vertex(exp5.Current());
|
|
if (vmap.FindIndex(vertex) < 1)
|
|
vmap.Add (vertex);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
// Free Edges
|
|
/*
|
|
for (exp4.Init(shape, TopAbs_EDGE, TopAbs_WIRE); exp4.More(); exp4.Next())
|
|
{
|
|
TopoDS_Edge edge = TopoDS::Edge(exp4.Current());
|
|
if (emap.FindIndex(edge) < 1)
|
|
{
|
|
emap.Add (edge);
|
|
for (exp5.Init(exp4.Current(), TopAbs_VERTEX); exp5.More(); exp5.Next())
|
|
{
|
|
TopoDS_Vertex vertex = TopoDS::Vertex(exp5.Current());
|
|
if (vmap.FindIndex(vertex) < 1)
|
|
vmap.Add (vertex);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
for (auto edge : MyExplorer(shape, TopAbs_EDGE, TopAbs_WIRE))
|
|
if (!emap.Contains(edge))
|
|
{
|
|
emap.Add (edge);
|
|
for (auto vertex : MyExplorer(edge, TopAbs_VERTEX))
|
|
if (!vmap.Contains(vertex))
|
|
vmap.Add (vertex);
|
|
}
|
|
|
|
|
|
// Free Vertices
|
|
/*
|
|
for (exp5.Init(shape, TopAbs_VERTEX, TopAbs_EDGE); exp5.More(); exp5.Next())
|
|
{
|
|
TopoDS_Vertex vertex = TopoDS::Vertex(exp5.Current());
|
|
if (vmap.FindIndex(vertex) < 1)
|
|
vmap.Add (vertex);
|
|
}
|
|
*/
|
|
for (auto vertex : MyExplorer(shape, TopAbs_VERTEX, TopAbs_EDGE))
|
|
if (!vmap.Contains(vertex))
|
|
vmap.Add (vertex);
|
|
|
|
facemeshstatus.DeleteAll();
|
|
facemeshstatus.SetSize (fmap.Extent());
|
|
facemeshstatus = 0;
|
|
|
|
// Philippose - 15/01/2009
|
|
face_maxh.DeleteAll();
|
|
face_maxh.SetSize (fmap.Extent());
|
|
face_maxh = 1e99; // mparam.maxh;
|
|
|
|
// Philippose - 15/01/2010
|
|
face_maxh_modified.DeleteAll();
|
|
face_maxh_modified.SetSize(fmap.Extent());
|
|
face_maxh_modified = 0;
|
|
|
|
|
|
// Philippose - 17/01/2009
|
|
face_sel_status.DeleteAll();
|
|
face_sel_status.SetSize (fmap.Extent());
|
|
face_sel_status = 0;
|
|
|
|
fvispar.SetSize (fmap.Extent());
|
|
evispar.SetSize (emap.Extent());
|
|
vvispar.SetSize (vmap.Extent());
|
|
|
|
fsingular.SetSize (fmap.Extent());
|
|
esingular.SetSize (emap.Extent());
|
|
vsingular.SetSize (vmap.Extent());
|
|
|
|
fsingular = esingular = vsingular = false;
|
|
|
|
NetgenGeometry::Clear();
|
|
|
|
// Add shapes
|
|
for(auto i1 : Range(1, vmap.Extent()+1))
|
|
{
|
|
auto v = vmap(i1);
|
|
auto occ_vertex = make_unique<OCCVertex>(TopoDS::Vertex(v));
|
|
occ_vertex->nr = vertices.Size();
|
|
|
|
if(HaveProperties(v))
|
|
occ_vertex->properties = GetProperties(v);
|
|
vertices.Append(std::move(occ_vertex));
|
|
}
|
|
|
|
for(auto i1 : Range(1, emap.Extent()+1))
|
|
{
|
|
auto e = emap(i1);
|
|
auto edge = TopoDS::Edge(e);
|
|
auto verts = GetVertices(e);
|
|
if(verts.size() == 0)
|
|
continue;
|
|
auto occ_edge = make_unique<OCCEdge>(edge, GetVertex(verts[0]), GetVertex(verts[1]) );
|
|
occ_edge->properties = GetProperties(e);
|
|
edges.Append(std::move(occ_edge));
|
|
}
|
|
|
|
for(auto i1 : Range(1, fmap.Extent()+1))
|
|
{
|
|
auto f = fmap(i1);
|
|
|
|
auto k = faces.Size();
|
|
auto occ_face = make_unique<OCCFace>(f);
|
|
|
|
for(auto e : GetEdges(f))
|
|
occ_face->edges.Append( &GetEdge(e) );
|
|
|
|
if(HaveProperties(f))
|
|
occ_face->properties = GetProperties(f);
|
|
faces.Append(std::move(occ_face));
|
|
|
|
if(dimension==2)
|
|
for(auto e : GetEdges(f))
|
|
{
|
|
auto & edge = GetEdge(e);
|
|
if(e.Orientation() == TopAbs_REVERSED)
|
|
edge.domout = k;
|
|
else
|
|
edge.domin = k;
|
|
}
|
|
}
|
|
|
|
|
|
for(auto i1 : Range(1, somap.Extent()+1))
|
|
{
|
|
auto s = somap(i1);
|
|
int k = solids.Size();
|
|
auto occ_solid = make_unique<OCCSolid>(s);
|
|
if(HaveProperties(s))
|
|
occ_solid->properties = GetProperties(s);
|
|
solids.Append(std::move(occ_solid));
|
|
|
|
for(auto f : GetFaces(s))
|
|
{
|
|
auto & face = static_cast<OCCFace&>(GetFace(f));
|
|
if(face.domin==-1)
|
|
face.domin = k;
|
|
else
|
|
face.domout = k;
|
|
if(face.Shape().Orientation() == TopAbs_INTERNAL)
|
|
face.domout = k;
|
|
}
|
|
}
|
|
|
|
// Propagate maxh to children
|
|
for(auto& solid : solids)
|
|
{
|
|
auto& shape = static_cast<OCCSolid&>(*solid).GetShape();
|
|
if(!OCCGeometry::HaveProperties(shape))
|
|
continue;
|
|
for(auto& f : GetFaces(shape))
|
|
{
|
|
auto& face = GetFace(f);
|
|
face.properties.maxh = min2(face.properties.maxh,
|
|
GetProperties(shape).maxh);
|
|
}
|
|
}
|
|
for(auto& face : faces)
|
|
for(auto& edge : face->edges)
|
|
edge->properties.maxh = min2(edge->properties.maxh,
|
|
face->properties.maxh);
|
|
|
|
// Add identifications
|
|
auto add_identifications = [&](auto & shapes, auto & shape_map)
|
|
{
|
|
for(auto i1 : Range(1, shape_map.Extent()+1))
|
|
{
|
|
auto shape = shape_map(i1);
|
|
if(HaveIdentifications(shape))
|
|
for(auto & ident : GetIdentifications(shape))
|
|
{
|
|
if(!shape_map.Contains(ident.from) || !shape_map.Contains(ident.to))
|
|
continue;
|
|
ShapeIdentification si{
|
|
&GetShape(ident.from),
|
|
&GetShape(ident.to),
|
|
ident.trafo,
|
|
ident.type,
|
|
ident.name
|
|
};
|
|
shapes[i1-1]->identifications.Append(si);
|
|
}
|
|
}
|
|
};
|
|
add_identifications( vertices, vmap );
|
|
add_identifications( edges, emap );
|
|
add_identifications( faces, fmap );
|
|
|
|
bounding_box = ::netgen::GetBoundingBox( shape );
|
|
ProcessIdentifications();
|
|
}
|
|
|
|
|
|
|
|
void OCCGeometry :: SewFaces ()
|
|
{
|
|
(*testout) << "Trying to sew faces ..." << endl;
|
|
cout << "Trying to sew faces ..." << flush;
|
|
|
|
BRepOffsetAPI_Sewing sewedObj(1);
|
|
|
|
for (int i = 1; i <= fmap.Extent(); i++)
|
|
{
|
|
TopoDS_Face face = TopoDS::Face (fmap(i));
|
|
sewedObj.Add (face);
|
|
}
|
|
|
|
sewedObj.Perform();
|
|
|
|
if (!sewedObj.SewedShape().IsNull())
|
|
{
|
|
shape = sewedObj.SewedShape();
|
|
cout << " done" << endl;
|
|
}
|
|
else
|
|
cout << " not possible";
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void OCCGeometry :: MakeSolid ()
|
|
{
|
|
TopExp_Explorer exp0;
|
|
|
|
(*testout) << "Trying to build solids ..." << endl;
|
|
cout << "Trying to build solids ..." << flush;
|
|
|
|
BRepBuilderAPI_MakeSolid ms;
|
|
int count = 0;
|
|
for (exp0.Init(shape, TopAbs_SHELL); exp0.More(); exp0.Next())
|
|
{
|
|
count++;
|
|
ms.Add (TopoDS::Shell(exp0.Current()));
|
|
}
|
|
|
|
if (!count)
|
|
{
|
|
cout << " not possible (no shells)" << endl;
|
|
return;
|
|
}
|
|
|
|
BRepCheck_Analyzer ba(ms);
|
|
if (ba.IsValid ())
|
|
{
|
|
Handle(ShapeFix_Shape) sfs = new ShapeFix_Shape;
|
|
sfs->Init (ms);
|
|
|
|
sfs->SetPrecision(1e-5);
|
|
sfs->SetMaxTolerance(1e-5);
|
|
|
|
sfs->Perform();
|
|
|
|
shape = sfs->Shape();
|
|
|
|
for (exp0.Init(shape, TopAbs_SOLID); exp0.More(); exp0.Next())
|
|
{
|
|
TopoDS_Solid solid = TopoDS::Solid(exp0.Current());
|
|
TopoDS_Solid newsolid = solid;
|
|
BRepLib::OrientClosedSolid (newsolid);
|
|
Handle(ShapeBuild_ReShape) rebuild = new ShapeBuild_ReShape;
|
|
rebuild->Replace(solid, newsolid);
|
|
|
|
TopoDS_Shape newshape = rebuild->Apply(shape, TopAbs_SHAPE, 1);
|
|
shape = newshape;
|
|
}
|
|
|
|
cout << " done" << endl;
|
|
}
|
|
else
|
|
cout << " not possible" << endl;
|
|
}
|
|
|
|
|
|
Array<const GeometryVertex*> OCCGeometry :: GetFaceVertices(const GeometryFace& face) const
|
|
{
|
|
Array<const GeometryVertex*> verts;
|
|
const auto& occface = dynamic_cast<const OCCFace&>(face);
|
|
for(auto& vert : GetVertices(occface.Shape()))
|
|
verts.Append(&GetVertex(vert));
|
|
return verts;
|
|
}
|
|
|
|
|
|
void OCCGeometry :: BuildVisualizationMesh (double deflection)
|
|
{
|
|
// cout << IM(5) << "Preparing visualization (deflection = " << deflection << ") ... " << flush;
|
|
BuildTriangulation(shape);
|
|
// cout << IM(5) << "done" << endl;
|
|
}
|
|
|
|
|
|
|
|
|
|
void OCCGeometry :: CalcBoundingBox ()
|
|
{
|
|
boundingbox = ::netgen::GetBoundingBox(shape);
|
|
(*testout) << "Bounding Box = [" << boundingbox.PMin() << " - " << boundingbox.PMax() << "]" << endl;
|
|
SetCenter();
|
|
}
|
|
|
|
|
|
// void OCCGeometry :: WriteOCC_STL(char * filename)
|
|
// {
|
|
// cout << "writing stl..."; cout.flush();
|
|
// StlAPI_Writer writer;
|
|
// writer.RelativeMode() = Standard_False;
|
|
//
|
|
// writer.SetDeflection(0.02);
|
|
// writer.Write(shape,filename);
|
|
//
|
|
// cout << "done" << endl;
|
|
// }
|
|
|
|
|
|
void LoadOCCInto(OCCGeometry* occgeo, const filesystem::path & filename)
|
|
{
|
|
static Timer timer_all("LoadOCC"); RegionTimer rtall(timer_all);
|
|
static Timer timer_readfile("LoadOCC-ReadFile");
|
|
static Timer timer_transfer("LoadOCC-Transfer");
|
|
static Timer timer_getnames("LoadOCC-get names");
|
|
|
|
// Initiate a dummy XCAF Application to handle the STEP XCAF Document
|
|
static Handle(XCAFApp_Application) dummy_app = XCAFApp_Application::GetApplication();
|
|
|
|
// Create an XCAF Document to contain the STEP file itself
|
|
Handle(TDocStd_Document) step_doc;
|
|
|
|
// Check if a STEP File is already open under this handle, if so, close it to prevent
|
|
// Segmentation Faults when trying to create a new document
|
|
if(dummy_app->NbDocuments() > 0)
|
|
{
|
|
dummy_app->GetDocument(1,step_doc);
|
|
dummy_app->Close(step_doc);
|
|
}
|
|
dummy_app->NewDocument ("STEP-XCAF",step_doc);
|
|
|
|
timer_readfile.Start();
|
|
STEPCAFControl_Reader reader;
|
|
|
|
// Enable transfer of colours
|
|
reader.SetColorMode(Standard_True);
|
|
reader.SetNameMode(Standard_True);
|
|
Standard_Integer stat = reader.ReadFile(filename.string().c_str());
|
|
timer_readfile.Stop();
|
|
|
|
timer_transfer.Start();
|
|
if(stat != IFSelect_RetDone)
|
|
{
|
|
throw NgException("Couldn't load OCC geometry");
|
|
}
|
|
|
|
reader.Transfer(step_doc);
|
|
timer_transfer.Stop();
|
|
|
|
// Read in the shape(s) and the colours present in the STEP File
|
|
auto step_shape_contents = XCAFDoc_DocumentTool::ShapeTool(step_doc->Main());
|
|
|
|
TDF_LabelSequence step_shapes;
|
|
step_shape_contents->GetShapes(step_shapes);
|
|
|
|
// For the STEP File Reader in OCC, the 1st Shape contains the entire
|
|
// compound geometry as one shape
|
|
auto main_shape = step_shape_contents->GetShape(step_shapes.Value(1));
|
|
|
|
step_utils::LoadProperties(main_shape, reader, step_doc);
|
|
|
|
occgeo->shape = main_shape;
|
|
occgeo->changed = 1;
|
|
occgeo->BuildFMap();
|
|
occgeo->CalcBoundingBox();
|
|
PrintContents (occgeo);
|
|
}
|
|
|
|
// Philippose - 23/02/2009
|
|
/* Special IGES File load function including the ability
|
|
to extract individual surface colours via the extended
|
|
OpenCascade XDE and XCAF Feature set.
|
|
*/
|
|
OCCGeometry *LoadOCC_IGES(const filesystem::path & filename)
|
|
{
|
|
OCCGeometry *occgeo;
|
|
occgeo = new OCCGeometry;
|
|
// Initiate a dummy XCAF Application to handle the IGES XCAF Document
|
|
static Handle(XCAFApp_Application) dummy_app = XCAFApp_Application::GetApplication();
|
|
|
|
// Create an XCAF Document to contain the IGES file itself
|
|
Handle(TDocStd_Document) iges_doc;
|
|
|
|
// Check if a IGES File is already open under this handle, if so, close it to prevent
|
|
// Segmentation Faults when trying to create a new document
|
|
if(dummy_app->NbDocuments() > 0)
|
|
{
|
|
dummy_app->GetDocument(1,iges_doc);
|
|
dummy_app->Close(iges_doc);
|
|
}
|
|
dummy_app->NewDocument ("IGES-XCAF",iges_doc);
|
|
|
|
IGESCAFControl_Reader reader;
|
|
|
|
Standard_Integer stat = reader.ReadFile(filename.string().c_str());
|
|
|
|
if(stat != IFSelect_RetDone)
|
|
{
|
|
throw NgException("Couldn't load occ");
|
|
}
|
|
|
|
// Enable transfer of colours
|
|
reader.SetColorMode(Standard_True);
|
|
reader.SetNameMode(Standard_True);
|
|
|
|
reader.Transfer(iges_doc);
|
|
|
|
// Read in the shape(s) and the colours present in the IGES File
|
|
Handle(XCAFDoc_ShapeTool) iges_shape_contents = XCAFDoc_DocumentTool::ShapeTool(iges_doc->Main());
|
|
Handle(XCAFDoc_ColorTool) iges_colour_contents = XCAFDoc_DocumentTool::ColorTool(iges_doc->Main());
|
|
|
|
TDF_LabelSequence iges_shapes;
|
|
iges_shape_contents->GetShapes(iges_shapes);
|
|
|
|
// List out the available colours in the IGES File as Colour Names
|
|
// TDF_LabelSequence all_colours;
|
|
// iges_colour_contents->GetColors(all_colours);
|
|
// PrintMessage(1,"Number of colours in IGES File: ",all_colours.Length());
|
|
// for(int i = 1; i <= all_colours.Length(); i++)
|
|
// {
|
|
// Quantity_Color col;
|
|
// stringstream col_rgb;
|
|
// iges_colour_contents->GetColor(all_colours.Value(i),col);
|
|
// col_rgb << " : (" << col.Red() << "," << col.Green() << "," << col.Blue() << ")";
|
|
// PrintMessage(1, "Colour [", i, "] = ",col.StringName(col.Name()),col_rgb.str());
|
|
// }
|
|
|
|
|
|
// For the IGES Reader, all the shapes can be exported as one compound shape
|
|
// using the "OneShape" member
|
|
auto shape = reader.OneShape();
|
|
auto shapeTool = XCAFDoc_DocumentTool::ShapeTool(iges_doc->Main());
|
|
// load colors
|
|
for (auto typ : {TopAbs_SOLID, TopAbs_FACE, TopAbs_EDGE })
|
|
for (TopExp_Explorer e(shape, typ); e.More(); e.Next())
|
|
{
|
|
TDF_Label label;
|
|
shapeTool->Search(e.Current(), label);
|
|
|
|
if(label.IsNull())
|
|
continue;
|
|
|
|
XCAFPrs_IndexedDataMapOfShapeStyle set;
|
|
TopLoc_Location loc;
|
|
XCAFPrs::CollectStyleSettings(label, loc, set);
|
|
XCAFPrs_Style aStyle;
|
|
set.FindFromKey(e.Current(), aStyle);
|
|
|
|
auto & prop = OCCGeometry::GetProperties(e.Current());
|
|
if(aStyle.IsSetColorSurf())
|
|
prop.col = step_utils::ReadColor(aStyle.GetColorSurfRGBA());
|
|
}
|
|
|
|
// load names
|
|
auto workSession = reader.WS();
|
|
auto model = workSession->Model();
|
|
auto transProc = workSession->TransferReader()->TransientProcess();
|
|
Standard_Integer nb = model->NbEntities();
|
|
for (Standard_Integer i = 1; i <= nb; i++)
|
|
{
|
|
Handle(Standard_Transient) entity = model->Value(i);
|
|
auto item = Handle(StepRepr_RepresentationItem)::DownCast(entity);
|
|
|
|
if(item.IsNull())
|
|
continue;
|
|
|
|
TopoDS_Shape shape = TransferBRep::ShapeResult(transProc->Find(item));
|
|
string name = item->Name()->ToCString();
|
|
if (!transProc->IsBound(item))
|
|
continue;
|
|
|
|
OCCGeometry::GetProperties(shape).name = name;
|
|
}
|
|
|
|
occgeo->shape = shape;
|
|
occgeo->changed = 1;
|
|
occgeo->BuildFMap();
|
|
|
|
occgeo->CalcBoundingBox();
|
|
PrintContents (occgeo);
|
|
return occgeo;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
// Philippose - 29/01/2009
|
|
/* Special STEP File load function including the ability
|
|
to extract individual surface colours via the extended
|
|
OpenCascade XDE and XCAF Feature set.
|
|
*/
|
|
OCCGeometry * LoadOCC_STEP (const filesystem::path & filename)
|
|
{
|
|
OCCGeometry * occgeo;
|
|
occgeo = new OCCGeometry;
|
|
|
|
LoadOCCInto(occgeo, filename);
|
|
return occgeo;
|
|
}
|
|
|
|
|
|
|
|
|
|
OCCGeometry *LoadOCC_BREP (const filesystem::path & filename)
|
|
{
|
|
OCCGeometry * occgeo;
|
|
occgeo = new OCCGeometry;
|
|
|
|
BRep_Builder aBuilder;
|
|
Standard_Boolean result = BRepTools::Read(occgeo->shape, filename.string().c_str(), aBuilder);
|
|
|
|
if(!result)
|
|
{
|
|
result = BinTools::Read(occgeo->shape, filename.string().c_str());
|
|
if (!result)
|
|
{
|
|
delete occgeo;
|
|
throw Exception("Could not read BREP file " + filename.string());
|
|
}
|
|
}
|
|
|
|
occgeo->changed = 1;
|
|
occgeo->BuildFMap();
|
|
|
|
occgeo->CalcBoundingBox();
|
|
PrintContents (occgeo);
|
|
|
|
return occgeo;
|
|
}
|
|
|
|
|
|
void OCCGeometry :: Save (const filesystem::path & filename) const
|
|
{
|
|
string ext = ToLower(filename.extension());
|
|
auto s_filename = filename.string();
|
|
auto c_filename = s_filename.c_str();
|
|
|
|
if (ext == ".igs")
|
|
{
|
|
IGESControl_Writer writer("millimeters", 1);
|
|
writer.AddShape (shape);
|
|
writer.Write (c_filename);
|
|
}
|
|
else if (ext == ".stp")
|
|
{
|
|
step_utils::WriteSTEP(*this, filename);
|
|
}
|
|
else if (ext == ".stl")
|
|
{
|
|
StlAPI_Writer writer;
|
|
writer.ASCIIMode() = Standard_True;
|
|
writer.Write (shape, c_filename);
|
|
}
|
|
else if (ext == ".stlb")
|
|
{
|
|
StlAPI_Writer writer;
|
|
writer.ASCIIMode() = Standard_False;
|
|
writer.Write (shape, c_filename);
|
|
}
|
|
|
|
throw NgException ("Unknown target format: " + filename);
|
|
}
|
|
|
|
void OCCGeometry :: SaveToMeshFile (ostream & ost) const
|
|
{
|
|
auto ss = make_shared<stringstream>();
|
|
TextOutArchive out(ss);
|
|
NetgenGeometry *geo = const_cast<OCCGeometry*>(this);
|
|
out & geo;
|
|
|
|
ost << "TextOutArchive" << endl;
|
|
ost << ss->str().size() << endl;
|
|
ost << ss->str();
|
|
}
|
|
|
|
void OCCGeometry :: DoArchive(Archive& ar)
|
|
{
|
|
constexpr int current_format_version = 0;
|
|
|
|
int format_version = current_format_version;
|
|
auto netgen_version = GetLibraryVersion("netgen");
|
|
ar & netgen_version & format_version;
|
|
|
|
if(ar.Output())
|
|
{
|
|
std::stringstream ss;
|
|
#if OCC_VERSION_HEX < 0x070600
|
|
BRepTools::Write(shape, ss);
|
|
#else
|
|
BRepTools::Write(shape, ss, false, false, TopTools_FormatVersion_VERSION_1);
|
|
#endif
|
|
ar << ss.str();
|
|
}
|
|
else
|
|
{
|
|
if(format_version>current_format_version)
|
|
throw Exception("Loading OCCGeometry from archive: unknown format version "
|
|
+ ToString(format_version)
|
|
+ ", written by netgen version "
|
|
+ ToString(netgen_version));
|
|
std::string str;
|
|
ar & str;
|
|
stringstream ss(str);
|
|
BRep_Builder builder;
|
|
BRepTools::Read(shape, ss, builder);
|
|
}
|
|
|
|
TopTools_IndexedMapOfShape shape_map;
|
|
Array<TopoDS_Shape> shape_list;
|
|
|
|
ar & dimension;
|
|
for (auto typ : { TopAbs_SOLID, TopAbs_FACE, TopAbs_EDGE })
|
|
for (TopExp_Explorer e(shape, typ); e.More(); e.Next())
|
|
{
|
|
auto ds = e.Current();
|
|
if(shape_map.FindIndex(ds) == 0)
|
|
{
|
|
shape_map.Add(ds);
|
|
shape_list.Append(ds);
|
|
}
|
|
}
|
|
|
|
for (auto s : shape_list)
|
|
{
|
|
bool has_properties = HaveProperties(s);
|
|
ar & has_properties;
|
|
if(has_properties)
|
|
ar & GetProperties(s);
|
|
|
|
bool has_identifications = HaveIdentifications(s);
|
|
ar & has_identifications;
|
|
if(has_identifications)
|
|
{
|
|
auto & idents = GetIdentifications(s);
|
|
auto n_idents = idents.size();
|
|
ar & n_idents;
|
|
idents.resize(n_idents);
|
|
for(auto i : Range(n_idents))
|
|
{
|
|
auto & id = idents[i];
|
|
int id_from, id_to;
|
|
if(ar.Output())
|
|
{
|
|
id_from = shape_map.FindIndex(id.from)-1;
|
|
id_to = shape_map.FindIndex(id.to)-1;
|
|
}
|
|
ar & id_from & id_to;
|
|
|
|
// trafo is now optional -> special treatment necessary for backward compatibility
|
|
if(ar.Output() || netgen_version >= "v6.2.2403-34-g571cbbe4")
|
|
ar & id.trafo;
|
|
else
|
|
{
|
|
auto trafo = Transformation<3>();
|
|
ar & trafo;
|
|
id.trafo = trafo;
|
|
}
|
|
ar & id.name;
|
|
if(ar.Input())
|
|
{
|
|
id.from = shape_list[id_from];
|
|
id.to = shape_list[id_to];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(ar.Input())
|
|
{
|
|
changed = 1;
|
|
BuildFMap();
|
|
CalcBoundingBox();
|
|
}
|
|
}
|
|
|
|
const char * shapesname[] =
|
|
{" ", "CompSolids", "Solids", "Shells",
|
|
|
|
"Faces", "Wires", "Edges", "Vertices"};
|
|
|
|
const char * shapename[] =
|
|
{" ", "CompSolid", "Solid", "Shell",
|
|
"Face", "Wire", "Edge", "Vertex"};
|
|
|
|
const char * orientationstring[] =
|
|
{"+", "-", "i", "e"};
|
|
|
|
|
|
|
|
|
|
void OCCGeometry :: RecursiveTopologyTree (const TopoDS_Shape & sh,
|
|
stringstream & str,
|
|
TopAbs_ShapeEnum l,
|
|
bool isfree,
|
|
const char * lname)
|
|
{
|
|
if (l > TopAbs_VERTEX) return;
|
|
|
|
TopExp_Explorer e;
|
|
int count = 0;
|
|
int count2 = 0;
|
|
|
|
if (isfree)
|
|
e.Init(sh, l, TopAbs_ShapeEnum(l-1));
|
|
else
|
|
e.Init(sh, l);
|
|
|
|
for (; e.More(); e.Next())
|
|
{
|
|
count++;
|
|
|
|
stringstream lname2;
|
|
lname2 << lname << "/" << shapename[l] << count;
|
|
str << lname2.str() << " ";
|
|
|
|
switch (e.Current().ShapeType())
|
|
{
|
|
case TopAbs_SOLID:
|
|
count2 = somap.FindIndex(TopoDS::Solid(e.Current())); break;
|
|
case TopAbs_SHELL:
|
|
count2 = shmap.FindIndex(TopoDS::Shell(e.Current())); break;
|
|
case TopAbs_FACE:
|
|
count2 = fmap.FindIndex(TopoDS::Face(e.Current())); break;
|
|
case TopAbs_WIRE:
|
|
count2 = wmap.FindIndex(TopoDS::Wire(e.Current())); break;
|
|
case TopAbs_EDGE:
|
|
count2 = emap.FindIndex(TopoDS::Edge(e.Current())); break;
|
|
case TopAbs_VERTEX:
|
|
count2 = vmap.FindIndex(TopoDS::Vertex(e.Current())); break;
|
|
default:
|
|
cout << "RecursiveTopologyTree: Case " << e.Current().ShapeType() << " not handled" << endl;
|
|
}
|
|
|
|
int nrsubshapes = 0;
|
|
|
|
if (l <= TopAbs_WIRE)
|
|
{
|
|
TopExp_Explorer e2;
|
|
for (e2.Init (e.Current(), TopAbs_ShapeEnum (l+1));
|
|
e2.More(); e2.Next())
|
|
nrsubshapes++;
|
|
}
|
|
|
|
str << "{" << shapename[l] << " " << count2;
|
|
if(HaveProperties(e.Current()))
|
|
{
|
|
const auto& props = GetProperties(e.Current());
|
|
if(props.name || props.maxh < 1e99)
|
|
str << " - ";
|
|
if(props.name)
|
|
str << props.GetName();
|
|
if(props.maxh < 1e99)
|
|
str << " maxh(" << props.maxh << ")";
|
|
}
|
|
|
|
if (l <= TopAbs_EDGE)
|
|
{
|
|
str << " (" << orientationstring[e.Current().Orientation()];
|
|
if (nrsubshapes != 0) str << ", " << nrsubshapes;
|
|
str << ") } ";
|
|
}
|
|
else
|
|
str << " } ";
|
|
|
|
RecursiveTopologyTree (e.Current(), str, TopAbs_ShapeEnum (l+1),
|
|
false, (char*)lname2.str().c_str());
|
|
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
void OCCGeometry :: GetTopologyTree (stringstream & str)
|
|
{
|
|
cout << "Building topology tree ... " << flush;
|
|
RecursiveTopologyTree (shape, str, TopAbs_COMPSOLID, false, "CompSolids");
|
|
RecursiveTopologyTree (shape, str, TopAbs_SOLID, true, "FreeSolids");
|
|
RecursiveTopologyTree (shape, str, TopAbs_SHELL, true, "FreeShells");
|
|
RecursiveTopologyTree (shape, str, TopAbs_FACE, true, "FreeFaces");
|
|
RecursiveTopologyTree (shape, str, TopAbs_WIRE, true, "FreeWires");
|
|
RecursiveTopologyTree (shape, str, TopAbs_EDGE, true, "FreeEdges");
|
|
RecursiveTopologyTree (shape, str, TopAbs_VERTEX, true, "FreeVertices");
|
|
str << flush;
|
|
// cout << "done" << endl;
|
|
}
|
|
|
|
|
|
|
|
|
|
void OCCGeometry :: CheckIrregularEntities(stringstream & str)
|
|
{
|
|
ShapeAnalysis_CheckSmallFace csm;
|
|
|
|
csm.SetTolerance (1e-6);
|
|
|
|
TopTools_DataMapOfShapeListOfShape mapEdges;
|
|
ShapeAnalysis_DataMapOfShapeListOfReal mapParam;
|
|
TopoDS_Compound theAllVert;
|
|
|
|
int spotfaces = 0;
|
|
int stripsupportfaces = 0;
|
|
int singlestripfaces = 0;
|
|
int stripfaces = 0;
|
|
int facessplitbyvertices = 0;
|
|
int stretchedpinfaces = 0;
|
|
int smoothpinfaces = 0;
|
|
int twistedfaces = 0;
|
|
// int edgessamebutnotidentified = 0;
|
|
|
|
cout << "checking faces ... " << flush;
|
|
|
|
int i;
|
|
for (i = 1; i <= fmap.Extent(); i++)
|
|
{
|
|
TopoDS_Face face = TopoDS::Face (fmap(i));
|
|
TopoDS_Edge e1, e2;
|
|
|
|
if (csm.CheckSpotFace (face))
|
|
{
|
|
if (!spotfaces++)
|
|
str << "SpotFace {Spot face} ";
|
|
|
|
(*testout) << "Face " << i << " is a spot face" << endl;
|
|
str << "SpotFace/Face" << i << " ";
|
|
str << "{Face " << i << " } ";
|
|
}
|
|
|
|
if (csm.IsStripSupport (face))
|
|
{
|
|
if (!stripsupportfaces++)
|
|
str << "StripSupportFace {Strip support face} ";
|
|
|
|
(*testout) << "Face " << i << " has strip support" << endl;
|
|
str << "StripSupportFace/Face" << i << " ";
|
|
str << "{Face " << i << " } ";
|
|
}
|
|
|
|
if (csm.CheckSingleStrip(face, e1, e2))
|
|
{
|
|
if (!singlestripfaces++)
|
|
str << "SingleStripFace {Single strip face} ";
|
|
|
|
(*testout) << "Face " << i << " is a single strip (edge " << emap.FindIndex(e1)
|
|
<< " and edge " << emap.FindIndex(e2) << " are identical)" << endl;
|
|
str << "SingleStripFace/Face" << i << " ";
|
|
str << "{Face " << i << " (edge " << emap.FindIndex(e1)
|
|
<< " and edge " << emap.FindIndex(e2) << " are identical)} ";
|
|
}
|
|
|
|
if (csm.CheckStripFace(face, e1, e2))
|
|
{
|
|
if (!stripfaces++)
|
|
str << "StripFace {Strip face} ";
|
|
|
|
(*testout) << "Face " << i << " is a strip (edge " << emap.FindIndex(e1)
|
|
<< " and edge " << emap.FindIndex(e2)
|
|
<< " are identical)" << endl;
|
|
str << "StripFace/Face" << i << " ";
|
|
str << "{Face " << i << " (edge " << emap.FindIndex(e1)
|
|
<< " and edge " << emap.FindIndex(e2) << " are identical)} ";
|
|
}
|
|
|
|
if (int count = csm.CheckSplittingVertices(face, mapEdges, mapParam, theAllVert))
|
|
{
|
|
if (!facessplitbyvertices++)
|
|
str << "FaceSplitByVertices {Face split by vertices} ";
|
|
|
|
(*testout) << "Face " << i << " is split by " << count
|
|
<< " vertex/vertices " << endl;
|
|
str << "FaceSplitByVertices/Face" << i << " ";
|
|
str << "{Face " << i << " (split by " << count << "vertex/vertices)} ";
|
|
}
|
|
|
|
int whatrow, sens;
|
|
if (int type = csm.CheckPin (face, whatrow, sens))
|
|
{
|
|
if (type == 1)
|
|
{
|
|
if (!smoothpinfaces++)
|
|
str << "SmoothPinFace {Smooth pin face} ";
|
|
|
|
(*testout) << "Face " << i << " is a smooth pin" << endl;
|
|
str << "SmoothPinFace/Face" << i << " ";
|
|
str << "{Face " << i << " } ";
|
|
}
|
|
else
|
|
{
|
|
if (!stretchedpinfaces++)
|
|
str << "StretchedPinFace {Stretched pin face} ";
|
|
|
|
(*testout) << "Face " << i << " is a stretched pin" << endl;
|
|
str << "StretchedPinFace/Face" << i << " ";
|
|
str << "{Face " << i << " } ";
|
|
}
|
|
}
|
|
|
|
double paramu, paramv;
|
|
if (csm.CheckTwisted (face, paramu, paramv))
|
|
{
|
|
if (!twistedfaces++)
|
|
str << "TwistedFace {Twisted face} ";
|
|
|
|
(*testout) << "Face " << i << " is twisted" << endl;
|
|
str << "TwistedFace/Face" << i << " ";
|
|
str << "{Face " << i << " } ";
|
|
}
|
|
}
|
|
|
|
cout << "done" << endl;
|
|
cout << "checking edges ... " << flush;
|
|
|
|
// double dmax;
|
|
// int cnt = 0;
|
|
NgArray <double> edgeLengths;
|
|
NgArray <int> order;
|
|
edgeLengths.SetSize (emap.Extent());
|
|
order.SetSize (emap.Extent());
|
|
|
|
for (i = 1; i <= emap.Extent(); i++)
|
|
{
|
|
TopoDS_Edge edge1 = TopoDS::Edge (emap(i));
|
|
GProp_GProps system;
|
|
BRepGProp::LinearProperties(edge1, system);
|
|
edgeLengths[i-1] = system.Mass();
|
|
}
|
|
|
|
Sort (edgeLengths, order);
|
|
|
|
str << "ShortestEdges {Shortest edges} ";
|
|
for (i = 1; i <= min(20, emap.Extent()); i++)
|
|
{
|
|
str << "ShortestEdges/Edge" << i;
|
|
str << " {Edge " << order[i-1] << " (L=" << edgeLengths[order[i-1]-1] << ")} ";
|
|
}
|
|
|
|
str << flush;
|
|
|
|
cout << "done" << endl;
|
|
}
|
|
|
|
|
|
|
|
|
|
void OCCGeometry :: GetUnmeshedFaceInfo (stringstream & str)
|
|
{
|
|
for (int i = 1; i <= fmap.Extent(); i++)
|
|
{
|
|
if (facemeshstatus[i-1] == -1)
|
|
str << "Face" << i << " {Face " << i << " } ";
|
|
}
|
|
str << flush;
|
|
}
|
|
|
|
|
|
|
|
|
|
void OCCGeometry :: GetNotDrawableFaces (stringstream & str)
|
|
{
|
|
for (int i = 1; i <= fmap.Extent(); i++)
|
|
{
|
|
if (!fvispar[i-1].IsDrawable())
|
|
str << "Face" << i << " {Face " << i << " } ";
|
|
}
|
|
str << flush;
|
|
}
|
|
|
|
|
|
|
|
|
|
bool OCCGeometry :: ErrorInSurfaceMeshing ()
|
|
{
|
|
for (int i = 1; i <= fmap.Extent(); i++)
|
|
if (facemeshstatus[i-1] == -1)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool IsMappedShape(const Transformation<3> & trafo, const TopoDS_Shape & me, const TopoDS_Shape & you)
|
|
{
|
|
if(me.ShapeType() != you.ShapeType()) return false;
|
|
|
|
Bnd_Box bbox;
|
|
BRepBndLib::Add(me, bbox);
|
|
BRepBndLib::Add(you, bbox);
|
|
BoxTree<3> tree( occ2ng(bbox.CornerMin()), occ2ng(bbox.CornerMax()) );
|
|
|
|
Point<3> c_me = occ2ng(Center(me));
|
|
Point<3> c_you = occ2ng(Center(you));
|
|
if(tree.GetTolerance() < Dist(trafo(c_me), c_you))
|
|
return false;
|
|
|
|
TopTools_IndexedMapOfShape vmap;
|
|
std::vector<optional<TopoDS_Shape>> verts;
|
|
|
|
auto verts_me = GetVertices(me);
|
|
auto verts_you = GetVertices(you);
|
|
|
|
if(verts_me.size() != verts_you.size())
|
|
return false;
|
|
|
|
for (auto i : Range(verts_me.size()))
|
|
{
|
|
auto s = verts_me[i];
|
|
if(vmap.FindIndex(s) > 0)
|
|
continue;
|
|
auto p = trafo(occ2ng(s));
|
|
tree.Insert( p, i );
|
|
vmap.Add(s);
|
|
verts.push_back(nullopt);
|
|
}
|
|
|
|
for (auto vert : verts_you)
|
|
{
|
|
auto s = vert;
|
|
auto p = occ2ng(s);
|
|
bool vert_mapped = false;
|
|
tree.GetFirstIntersecting( p, p, [&](size_t i ) {
|
|
vmap.Add(verts_me[i]);
|
|
verts[vmap.FindIndex(verts_me[i])-1] = s;
|
|
vert_mapped = true;
|
|
return true;
|
|
});
|
|
if(!vert_mapped)
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void Identify(const TopoDS_Shape & me, const TopoDS_Shape & you, string name, Identifications::ID_TYPE type, std::optional<std::variant<gp_Trsf, gp_GTrsf>> opt_trafo)
|
|
{
|
|
Transformation<3> trafo;
|
|
if(opt_trafo)
|
|
{
|
|
trafo = occ2ng(*opt_trafo);
|
|
}
|
|
else
|
|
{
|
|
auto v = occ2ng(Center(you)) - occ2ng(Center(me));
|
|
trafo = Transformation<3>(v);
|
|
}
|
|
|
|
ListOfShapes list_me, list_you;
|
|
list_me.push_back(me);
|
|
list_you.push_back(you);
|
|
Identify(list_me, list_you, name, type, trafo);
|
|
}
|
|
|
|
void Identify(const ListOfShapes & me, const ListOfShapes & you, string name, Identifications::ID_TYPE type, Transformation<3> trafo)
|
|
{
|
|
ListOfShapes id_me;
|
|
ListOfShapes id_you;
|
|
|
|
if(auto faces_me = me.Faces(); faces_me.size()>0)
|
|
{
|
|
id_me = faces_me;
|
|
id_you = you.Faces();
|
|
}
|
|
else if(auto edges_me = me.Edges(); edges_me.size()>0)
|
|
{
|
|
id_me = edges_me;
|
|
id_you = you.Edges();
|
|
}
|
|
else
|
|
{
|
|
id_me = me.Vertices();
|
|
id_you = you.Vertices();
|
|
}
|
|
|
|
for(auto shape_me : id_me)
|
|
for(auto shape_you : id_you)
|
|
{
|
|
if(!IsMappedShape(trafo, shape_me, shape_you))
|
|
continue;
|
|
|
|
OCCGeometry::GetIdentifications(shape_me).push_back
|
|
(OCCIdentification { shape_me, shape_you, trafo, name, type });
|
|
}
|
|
}
|
|
|
|
void OCCParameters :: Print(ostream & ost) const
|
|
{
|
|
ost << "OCC Parameters:" << endl
|
|
<< "minimum edge length: " << resthminedgelenenable
|
|
<< ", min len = " << resthminedgelen << endl;
|
|
}
|
|
|
|
DLL_HEADER extern OCCParameters occparam;
|
|
OCCParameters occparam;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// int OCCGeometry :: GenerateMesh (shared_ptr<Mesh> & mesh, MeshingParameters & mparam)
|
|
// {
|
|
// return OCCGenerateMesh (*this, mesh, mparam, occparam);
|
|
// }
|
|
static RegisterClassForArchive<OCCGeometry, NetgenGeometry> regnggeo;
|
|
|
|
namespace step_utils
|
|
{
|
|
void LoadProperties(const TopoDS_Shape & shape,
|
|
const STEPCAFControl_Reader & reader,
|
|
const Handle(TDocStd_Document) step_doc)
|
|
{
|
|
static Timer t("step_utils::LoadProperties"); RegionTimer rt(t);
|
|
|
|
auto workSession = reader.Reader().WS();
|
|
auto model = workSession->Model();
|
|
auto transferReader = workSession->TransferReader();
|
|
auto transProc = transferReader->TransientProcess();
|
|
auto shapeTool = XCAFDoc_DocumentTool::ShapeTool(step_doc->Main());
|
|
|
|
// load colors
|
|
for (auto typ : { TopAbs_SOLID, TopAbs_FACE, TopAbs_EDGE })
|
|
for (TopExp_Explorer e(shape, typ); e.More(); e.Next())
|
|
{
|
|
TDF_Label label;
|
|
shapeTool->Search(e.Current(), label);
|
|
|
|
if(label.IsNull())
|
|
continue;
|
|
|
|
XCAFPrs_IndexedDataMapOfShapeStyle set;
|
|
TopLoc_Location loc;
|
|
XCAFPrs::CollectStyleSettings(label, loc, set);
|
|
XCAFPrs_Style aStyle;
|
|
set.FindFromKey(e.Current(), aStyle);
|
|
|
|
auto & prop = OCCGeometry::GetProperties(e.Current());
|
|
if(aStyle.IsSetColorSurf())
|
|
prop.col = step_utils::ReadColor(aStyle.GetColorSurfRGBA());
|
|
}
|
|
|
|
// load names
|
|
Standard_Integer nb = model->NbEntities();
|
|
for (Standard_Integer i = 1; i <= nb; i++)
|
|
{
|
|
Handle(Standard_Transient) entity = model->Value(i);
|
|
auto item = Handle(StepRepr_RepresentationItem)::DownCast(entity);
|
|
|
|
if(item.IsNull())
|
|
continue;
|
|
|
|
TopoDS_Shape shape = TransferBRep::ShapeResult(transProc->Find(item));
|
|
string name = item->Name()->ToCString();
|
|
if (!transProc->IsBound(item))
|
|
continue;
|
|
|
|
OCCGeometry::GetProperties(shape).name = name;
|
|
}
|
|
|
|
|
|
// load custom data (maxh etc.)
|
|
for (Standard_Integer i = 1; i <= nb; i++)
|
|
{
|
|
Handle(Standard_Transient) entity = model->Value(i);
|
|
|
|
auto item = Handle(StepRepr_CompoundRepresentationItem)::DownCast(entity);
|
|
|
|
if(item.IsNull())
|
|
continue;
|
|
|
|
auto shape_item = item->ItemElementValue(1);
|
|
TopoDS_Shape shape = TransferBRep::ShapeResult(transProc->Find(shape_item));
|
|
string name = item->Name()->ToCString();
|
|
|
|
if(name == "netgen_geometry_identification")
|
|
ReadIdentifications(item, transProc);
|
|
|
|
if(name != "netgen_geometry_properties")
|
|
continue;
|
|
|
|
auto & prop = OCCGeometry::GetProperties(shape);
|
|
|
|
auto nprops = item->NbItemElement();
|
|
|
|
for(auto i : Range(2, nprops+1))
|
|
{
|
|
auto prop_item = item->ItemElementValue(i);
|
|
string prop_name = prop_item->Name()->ToCString();
|
|
|
|
if(prop_name=="maxh")
|
|
prop.maxh = Handle(StepRepr_ValueRepresentationItem)::DownCast(prop_item)
|
|
->ValueComponentMember()->Real();
|
|
|
|
if(prop_name=="hpref")
|
|
prop.hpref = Handle(StepRepr_ValueRepresentationItem)::DownCast(prop_item)
|
|
->ValueComponentMember()->Real();
|
|
}
|
|
}
|
|
}
|
|
|
|
void WriteProperties(const Handle(Interface_InterfaceModel) model, const Handle(Transfer_FinderProcess) finder, const TopoDS_Shape & shape)
|
|
{
|
|
static const ShapeProperties default_props;
|
|
Handle(StepRepr_RepresentationItem) item = STEPConstruct::FindEntity(finder, shape);
|
|
if(!item)
|
|
return;
|
|
auto prop = OCCGeometry::GetProperties(shape);
|
|
|
|
if(auto n = prop.name)
|
|
item->SetName(MakeName(*n));
|
|
|
|
Array<Handle(StepRepr_RepresentationItem)> props;
|
|
props.Append(item);
|
|
|
|
if(auto maxh = prop.maxh; maxh != default_props.maxh)
|
|
props.Append( MakeReal(maxh, "maxh") );
|
|
|
|
if(auto hpref = prop.hpref; hpref != default_props.hpref)
|
|
props.Append( MakeReal(hpref, "hpref") );
|
|
|
|
if(props.Size()>1)
|
|
{
|
|
for(auto & item : props.Range(1, props.Size()))
|
|
model->AddEntity(item);
|
|
|
|
auto compound = MakeCompound(props, "netgen_geometry_properties");
|
|
model->AddEntity(compound);
|
|
}
|
|
|
|
WriteIdentifications(model, shape, finder);
|
|
}
|
|
|
|
void WriteIdentifications(const Handle(Interface_InterfaceModel) model, const TopoDS_Shape & shape, const Handle(Transfer_FinderProcess) finder)
|
|
{
|
|
Handle(StepRepr_RepresentationItem) item = STEPConstruct::FindEntity(finder, shape);
|
|
if(!OCCGeometry::HaveIdentifications(shape))
|
|
return;
|
|
auto & identifications = OCCGeometry::GetIdentifications(shape);
|
|
if(identifications.size()==0)
|
|
return;
|
|
// auto n = identifications.size();
|
|
Array<Handle(StepRepr_RepresentationItem)> ident_items;
|
|
ident_items.Append(item);
|
|
|
|
for(auto & ident : identifications)
|
|
{
|
|
const auto& to = STEPConstruct::FindEntity(finder, ident.from == shape ? ident.to : ident.from);
|
|
if(to.IsNull())
|
|
continue;
|
|
Array<Handle(StepRepr_RepresentationItem)> items;
|
|
items.Append(MakeReal(ident.from == shape ? 1 : 0));
|
|
items.Append(to);
|
|
Transformation<3> trafo;
|
|
if(ident.trafo) trafo = *ident.trafo;
|
|
auto & m = trafo.GetMatrix();
|
|
for(auto i : Range(9))
|
|
items.Append(MakeReal(m(i)));
|
|
auto & v = trafo.GetVector();
|
|
for(auto i : Range(3))
|
|
items.Append(MakeReal(v(i)));
|
|
items.Append(MakeInt(ident.type));
|
|
for(auto & item : items.Range(0, items.Size()))
|
|
model->AddEntity(item);
|
|
ident_items.Append(MakeCompound(items, ident.name));
|
|
}
|
|
for(auto & item : ident_items.Range(1, ident_items.Size()))
|
|
model->AddEntity(item);
|
|
auto comp = MakeCompound(ident_items, "netgen_geometry_identification");
|
|
model->AddEntity(comp);
|
|
}
|
|
|
|
void ReadIdentifications(Handle(StepRepr_RepresentationItem) item, Handle(Transfer_TransientProcess) transProc)
|
|
{
|
|
auto idents = Handle(StepRepr_CompoundRepresentationItem)::DownCast(item);
|
|
auto n = idents->NbItemElement();
|
|
std::vector<OCCIdentification> result;
|
|
auto shape_origin = TransferBRep::ShapeResult(transProc->Find(idents->ItemElementValue(1)));
|
|
|
|
for(auto i : Range(2,n+1))
|
|
{
|
|
auto id_item = Handle(StepRepr_CompoundRepresentationItem)::DownCast(idents->ItemElementValue(i));
|
|
OCCIdentification ident;
|
|
ident.name = id_item->Name()->ToCString();
|
|
auto is_from = ReadReal(id_item->ItemElementValue(1));
|
|
if(is_from)
|
|
{
|
|
ident.from = shape_origin;
|
|
ident.to = TransferBRep::ShapeResult(transProc->Find(id_item->ItemElementValue(2)));
|
|
}
|
|
else
|
|
{
|
|
ident.from = TransferBRep::ShapeResult(
|
|
transProc->Find(id_item->ItemElementValue(2)));
|
|
ident.to = shape_origin;
|
|
}
|
|
|
|
Transformation<3> trafo;
|
|
auto & m = trafo.GetMatrix();
|
|
for(auto i : Range(9))
|
|
m(i) = ReadReal(id_item->ItemElementValue(3+i));
|
|
auto & v = trafo.GetVector();
|
|
for(auto i : Range(3))
|
|
v(i) = ReadReal(id_item->ItemElementValue(12+i));
|
|
if(FlatVector(9, &trafo.GetMatrix()(0,0)).L2Norm() != .0 && trafo.GetVector().Length2() != .0)
|
|
ident.trafo = trafo;
|
|
ident.type = Identifications::ID_TYPE(ReadInt(id_item->ItemElementValue(15)));
|
|
result.push_back(ident);
|
|
}
|
|
OCCGeometry::GetIdentifications(shape_origin) = result;
|
|
}
|
|
|
|
void WriteSTEP(const TopoDS_Shape & shape, const filesystem::path & filename)
|
|
{
|
|
Interface_Static::SetCVal("write.step.schema", "AP242IS");
|
|
Interface_Static::SetIVal("write.step.assembly",1);
|
|
Handle(XCAFApp_Application) app = XCAFApp_Application::GetApplication();
|
|
Handle(TDocStd_Document) doc;
|
|
|
|
app->NewDocument("STEP-XCAF", doc);
|
|
Handle(XCAFDoc_ShapeTool) shapetool = XCAFDoc_DocumentTool::ShapeTool(doc->Main());
|
|
Handle(XCAFDoc_ColorTool) colortool = XCAFDoc_DocumentTool::ColorTool(doc->Main());
|
|
TDF_Label label = shapetool->NewShape();
|
|
shapetool->SetShape(label, shape);
|
|
|
|
Handle(XSControl_WorkSession) session = new XSControl_WorkSession;
|
|
STEPCAFControl_Writer writer(session);
|
|
const Handle(Interface_InterfaceModel) model = session->Model();
|
|
|
|
// Set colors (BEFORE transferring shape into step data structures)
|
|
for (auto typ : { TopAbs_SOLID, TopAbs_FACE, TopAbs_EDGE })
|
|
for (TopExp_Explorer e(shape, typ); e.More(); e.Next())
|
|
{
|
|
auto prop = OCCGeometry::GetProperties(e.Current());
|
|
if(auto col = prop.col)
|
|
colortool->SetColor(e.Current(), step_utils::MakeColor(*col), XCAFDoc_ColorGen);
|
|
}
|
|
|
|
// Transfer shape into step data structures -> now we can manipulate/add step representation items
|
|
writer.Transfer(doc, STEPControl_AsIs);
|
|
|
|
// Write all other properties
|
|
auto finder = session->TransferWriter()->FinderProcess();
|
|
|
|
for (auto typ : { TopAbs_SOLID, TopAbs_FACE, TopAbs_EDGE })
|
|
for (TopExp_Explorer e(shape, typ); e.More(); e.Next())
|
|
WriteProperties(model, finder, e.Current());
|
|
|
|
writer.Write(filename.string().c_str());
|
|
}
|
|
|
|
} // namespace step_utils
|
|
}
|
|
|
|
|
|
#endif
|