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656 lines
20 KiB
C++
656 lines
20 KiB
C++
#ifndef FILE_OCCGEOM
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#define FILE_OCCGEOM
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/* *************************************************************************/
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/* File: occgeom.hpp */
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/* Author: Robert Gaisbauer */
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/* Date: 26. May 03 */
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/* *************************************************************************/
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#ifdef OCCGEOMETRY
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#include <meshing.hpp>
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#include <Standard_Version.hxx>
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#include "BRep_Tool.hxx"
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#include "Geom_Curve.hxx"
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#include "Geom2d_Curve.hxx"
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#include "Geom_Surface.hxx"
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#include "GeomAPI_ProjectPointOnSurf.hxx"
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#include "GeomAPI_ProjectPointOnCurve.hxx"
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#include "BRepTools.hxx"
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#include "TopExp.hxx"
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#include "BRepBuilderAPI_MakeVertex.hxx"
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#include "BRepBuilderAPI_MakeShell.hxx"
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#include "BRepBuilderAPI_MakeSolid.hxx"
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#include "BRepOffsetAPI_Sewing.hxx"
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#include "BRepLProp_SLProps.hxx"
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#include "BRepAdaptor_Surface.hxx"
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#include "Poly_Triangulation.hxx"
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#include "Poly_Array1OfTriangle.hxx"
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#include "TColgp_Array1OfPnt2d.hxx"
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#include "Poly_Triangle.hxx"
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#include "GProp_GProps.hxx"
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#include "BRepGProp.hxx"
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#include "gp_Pnt.hxx"
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#include "TopoDS.hxx"
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#include "TopoDS_Solid.hxx"
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#include "TopExp_Explorer.hxx"
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#include "TopTools_ListIteratorOfListOfShape.hxx"
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#include "TopoDS_Wire.hxx"
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#include "BRepTools_WireExplorer.hxx"
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#include "TopTools_IndexedMapOfShape.hxx"
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#include "BRepLProp_CLProps.hxx"
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#include "BRepAdaptor_Curve.hxx"
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#include "TopoDS_Shape.hxx"
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#include "TopoDS_Face.hxx"
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#include "IGESToBRep_Reader.hxx"
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#include "Interface_Static.hxx"
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#include "GeomAPI_ExtremaCurveCurve.hxx"
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#include "Standard_ErrorHandler.hxx"
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#include "Standard_Failure.hxx"
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#include "ShapeUpgrade_ShellSewing.hxx"
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#include "ShapeFix_Shape.hxx"
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#include "ShapeFix_Wireframe.hxx"
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#include "BRepMesh_IncrementalMesh.hxx"
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#include "BRepBndLib.hxx"
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#include "Bnd_Box.hxx"
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#include "ShapeAnalysis.hxx"
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#include "ShapeBuild_ReShape.hxx"
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#include "BOPAlgo_Builder.hxx"
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// Philippose - 29/01/2009
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// OpenCascade XDE Support
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// Include support for OpenCascade XDE Features
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#include "TDocStd_Document.hxx"
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#include "Quantity_Color.hxx"
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#include "XCAFApp_Application.hxx"
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#include "XCAFDoc_ShapeTool.hxx"
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#include "XCAFDoc_Color.hxx"
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#include "XCAFDoc_ColorTool.hxx"
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#include "XCAFDoc_ColorType.hxx"
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#include "XCAFDoc_LayerTool.hxx"
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#include "XCAFDoc_DimTolTool.hxx"
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#include "XCAFDoc_MaterialTool.hxx"
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#include "XCAFDoc_DocumentTool.hxx"
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#include "TDF_Label.hxx"
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#include "TDF_LabelSequence.hxx"
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#include "STEPCAFControl_Reader.hxx"
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#include "STEPCAFControl_Writer.hxx"
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#include "IGESCAFControl_Reader.hxx"
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#include "IGESCAFControl_Writer.hxx"
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#include "IGESControl_Reader.hxx"
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#include "STEPControl_Reader.hxx"
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#include "IGESControl_Writer.hxx"
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#include "STEPControl_Writer.hxx"
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#include <StepRepr_ValueRepresentationItem.hxx>
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#include <StepRepr_IntegerRepresentationItem.hxx>
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#include <StepRepr_CompoundRepresentationItem.hxx>
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#include <StepBasic_MeasureValueMember.hxx>
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#include "StlAPI_Writer.hxx"
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#include "STEPControl_StepModelType.hxx"
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#if OCC_VERSION_MAJOR>=7 && OCC_VERSION_MINOR>=4
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#define OCC_HAVE_HISTORY
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#endif
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namespace netgen
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{
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#include "occmeshsurf.hpp"
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// extern DLL_HEADER MeshingParameters mparam;
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#define PROJECTION_TOLERANCE 1e-10
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#define ENTITYISVISIBLE 1
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#define ENTITYISHIGHLIGHTED 2
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#define ENTITYISDRAWABLE 4
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#define OCCGEOMETRYVISUALIZATIONNOCHANGE 0
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#define OCCGEOMETRYVISUALIZATIONFULLCHANGE 1 // Compute transformation matrices and redraw
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#define OCCGEOMETRYVISUALIZATIONHALFCHANGE 2 // Redraw
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inline Point<3> occ2ng (const gp_Pnt & p)
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{
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return Point<3> (p.X(), p.Y(), p.Z());
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}
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inline Point<2> occ2ng (const gp_Pnt2d & p)
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{
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return Point<2> (p.X(), p.Y());
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}
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inline Vec<3> occ2ng (const gp_Vec & v)
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{
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return Vec<3> (v.X(), v.Y(), v.Z());
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}
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inline gp_Pnt ng2occ (const Point<3> & p)
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{
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return gp_Pnt(p(0), p(1), p(2));
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}
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class EntityVisualizationCode
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{
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int code;
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public:
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EntityVisualizationCode()
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{ code = ENTITYISVISIBLE + !ENTITYISHIGHLIGHTED + ENTITYISDRAWABLE;}
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int IsVisible ()
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{ return code & ENTITYISVISIBLE;}
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int IsHighlighted ()
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{ return code & ENTITYISHIGHLIGHTED;}
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int IsDrawable ()
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{ return code & ENTITYISDRAWABLE;}
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void Show ()
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{ code |= ENTITYISVISIBLE;}
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void Hide ()
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{ code &= ~ENTITYISVISIBLE;}
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void Highlight ()
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{ code |= ENTITYISHIGHLIGHTED;}
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void Lowlight ()
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{ code &= ~ENTITYISHIGHLIGHTED;}
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void SetDrawable ()
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{ code |= ENTITYISDRAWABLE;}
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void SetNotDrawable ()
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{ code &= ~ENTITYISDRAWABLE;}
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};
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class Line
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{
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public:
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Point<3> p0, p1;
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double Dist (Line l);
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double Length () { return (p1-p0).Length(); }
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};
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inline double Det3 (double a00, double a01, double a02,
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double a10, double a11, double a12,
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double a20, double a21, double a22)
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{
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return a00*a11*a22 + a01*a12*a20 + a10*a21*a02 - a20*a11*a02 - a10*a01*a22 - a21*a12*a00;
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}
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class DLL_HEADER OCCParameters
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{
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public:
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/// Factor for meshing close edges, moved to meshingparameters
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// double resthcloseedgefac = 2.;
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/// Enable / Disable detection of close edges
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// int resthcloseedgeenable = true;
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/// Minimum edge length to be used for dividing edges to mesh points
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double resthminedgelen = 0.001;
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/// Enable / Disable use of the minimum edge length (by default use 1e-4)
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int resthminedgelenenable = true;
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/*!
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Dump all the OpenCascade specific meshing parameters
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to console
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*/
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void Print (ostream & ost) const;
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};
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class ShapeProperties
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{
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public:
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optional<string> name;
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optional<Vec<4>> col;
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double maxh = 1e99;
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double hpref = 0; // number of hp refinement levels (will be multiplied by factor later)
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void Merge(const ShapeProperties & prop2)
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{
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if (prop2.name) name = prop2.name;
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if (prop2.col) col = prop2.col;
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maxh = min2(maxh, prop2.maxh);
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}
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void DoArchive(Archive& ar)
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{
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ar & name & col & maxh & hpref;
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}
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};
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class OCCIdentification
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{
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public:
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TopoDS_Shape other;
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Transformation<3> trafo;
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bool inverse;
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string name;
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};
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class MyExplorer
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{
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class Iterator
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{
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TopExp_Explorer exp;
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public:
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Iterator (TopoDS_Shape ashape, TopAbs_ShapeEnum atoFind, TopAbs_ShapeEnum atoAvoid)
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: exp(ashape, atoFind, atoAvoid) { }
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auto operator*() { return exp.Current(); }
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Iterator & operator++() { exp.Next(); return *this; }
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bool operator!= (nullptr_t nu) { return exp.More(); }
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};
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public:
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TopoDS_Shape shape;
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TopAbs_ShapeEnum toFind;
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TopAbs_ShapeEnum toAvoid;
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MyExplorer (TopoDS_Shape ashape, TopAbs_ShapeEnum atoFind, TopAbs_ShapeEnum atoAvoid = TopAbs_SHAPE)
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: shape(ashape), toFind(atoFind), toAvoid(atoAvoid) { ; }
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Iterator begin() { return Iterator(shape, toFind, toAvoid); }
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auto end() { return nullptr; }
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};
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inline auto Explore (TopoDS_Shape shape, TopAbs_ShapeEnum toFind, TopAbs_ShapeEnum toAvoid = TopAbs_SHAPE)
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{
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return MyExplorer (shape, toFind, toAvoid);
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}
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class IndexMapIterator
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{
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class Iterator
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{
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const TopTools_IndexedMapOfShape & indmap;
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int i;
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public:
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Iterator (const TopTools_IndexedMapOfShape & aindmap, int ai)
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: indmap(aindmap), i(ai) { ; }
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auto operator*() { return tuple(i, indmap(i)); }
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Iterator & operator++() { i++; return *this; }
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bool operator!= (const Iterator & i2) { return i != i2.i; }
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};
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public:
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const TopTools_IndexedMapOfShape & indmap;
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IndexMapIterator (const TopTools_IndexedMapOfShape & aindmap) : indmap(aindmap) { }
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Iterator begin() { return Iterator(indmap, 1); }
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Iterator end() { return Iterator(indmap, indmap.Extent()+1); }
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};
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inline auto Enumerate (const TopTools_IndexedMapOfShape & indmap)
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{
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return IndexMapIterator(indmap);
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}
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class DLL_HEADER OCCGeometry : public NetgenGeometry
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{
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Point<3> center;
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OCCParameters occparam;
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public:
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static std::map<Handle(TopoDS_TShape), ShapeProperties> global_shape_properties;
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static std::map<Handle(TopoDS_TShape), std::vector<OCCIdentification>> identifications;
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TopoDS_Shape shape;
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TopTools_IndexedMapOfShape fmap, emap, vmap, somap, shmap, wmap;
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NgArray<bool> fsingular, esingular, vsingular;
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Box<3> boundingbox;
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// should we use 1-based arrays (JS->MH) ?
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Array<ShapeProperties*> fprops, eprops, sprops; // pointers to the gobal property map
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mutable int changed;
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mutable NgArray<int> facemeshstatus;
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// Philippose - 15/01/2009
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// Maximum mesh size for a given face
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// (Used to explicitly define mesh size limits on individual faces)
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NgArray<double> face_maxh;
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// Philippose - 14/01/2010
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// Boolean array to detect whether a face has been explicitly modified
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// by the user or not
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NgArray<bool> face_maxh_modified;
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// Philippose - 15/01/2009
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// Indicates which faces have been selected by the user in geometry mode
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// (Currently handles only selection of one face at a time, but an array would
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// help to extend this to multiple faces)
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NgArray<bool> face_sel_status;
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NgArray<EntityVisualizationCode> fvispar, evispar, vvispar;
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double tolerance;
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bool fixsmalledges;
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bool fixspotstripfaces;
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bool sewfaces;
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bool makesolids;
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bool splitpartitions;
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int occdim = 3; // meshing is always done 3D, changed to 2D later of occdim=2
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OCCGeometry()
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{
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somap.Clear();
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shmap.Clear();
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fmap.Clear();
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wmap.Clear();
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emap.Clear();
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vmap.Clear();
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}
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OCCGeometry(const TopoDS_Shape& _shape, int aoccdim = 3, bool copy = false);
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Mesh::GEOM_TYPE GetGeomType() const override
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{ return Mesh::GEOM_OCC; }
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void SetOCCParameters(const OCCParameters& par)
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{ occparam = par; }
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void Analyse(Mesh& mesh,
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const MeshingParameters& mparam) const override;
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void FindEdges(Mesh& mesh,
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const MeshingParameters& mparam) const override;
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void MeshSurface(Mesh& mesh,
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const MeshingParameters& mparam) const override;
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void FinalizeMesh(Mesh& mesh) const override;
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void Save (string filename) const override;
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void SaveToMeshFile (ostream & /* ost */) const override;
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void DoArchive(Archive& ar) override;
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PointGeomInfo ProjectPoint(int surfind, Point<3> & p) const override;
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void ProjectPointEdge (int surfind, int surfind2, Point<3> & p,
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EdgePointGeomInfo* gi = nullptr) const override;
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bool ProjectPointGI (int surfind, Point<3> & p, PointGeomInfo & gi) const override;
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Vec<3> GetNormal(int surfind, const Point<3> & p, const PointGeomInfo* gi) const override;
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bool CalcPointGeomInfo(int surfind, PointGeomInfo& gi, const Point<3> & p3) const override;
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void PointBetweenEdge(const Point<3> & p1, const Point<3> & p2, double secpoint,
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int surfi1, int surfi2,
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const EdgePointGeomInfo & ap1,
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const EdgePointGeomInfo & ap2,
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Point<3> & newp, EdgePointGeomInfo & newgi) const override;
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void PointBetween(const Point<3> & p1, const Point<3> & p2, double secpoint,
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int surfi,
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const PointGeomInfo & gi1,
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const PointGeomInfo & gi2,
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Point<3> & newp, PointGeomInfo & newgi) const override;
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void BuildFMap();
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auto GetShape() const { return shape; }
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Box<3> GetBoundingBox() const
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{ return boundingbox; }
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int NrSolids() const
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{ return somap.Extent(); }
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// Philippose - 17/01/2009
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// Total number of faces in the geometry
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int NrFaces() const
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{ return fmap.Extent(); }
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void SetCenter()
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{ center = boundingbox.Center(); }
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Point<3> Center() const
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{ return center; }
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OCCSurface GetSurface (int surfi)
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{
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cout << "OCCGeometry::GetSurface using PLANESPACE" << endl;
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return OCCSurface (TopoDS::Face(fmap(surfi)), PLANESPACE);
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}
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void CalcBoundingBox ();
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void BuildVisualizationMesh (double deflection);
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void RecursiveTopologyTree (const TopoDS_Shape & sh,
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stringstream & str,
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TopAbs_ShapeEnum l,
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bool free,
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const char * lname);
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void GetTopologyTree (stringstream & str);
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void PrintNrShapes ();
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void CheckIrregularEntities (stringstream & str);
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void SewFaces();
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void MakeSolid();
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void HealGeometry();
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void GlueGeometry();
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// Philippose - 15/01/2009
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// Sets the maximum mesh size for a given face
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// (Note: Local mesh size limited by the global max mesh size)
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void SetFaceMaxH(int facenr, double faceh, const MeshingParameters & mparam)
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{
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if((facenr> 0) && (facenr <= fmap.Extent()))
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{
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face_maxh[facenr-1] = min(mparam.maxh,faceh);
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// Philippose - 14/01/2010
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// If the face maxh is greater than or equal to the
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// current global maximum, then identify the face as
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// not explicitly controlled by the user any more
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if(faceh >= mparam.maxh)
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{
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face_maxh_modified[facenr-1] = 0;
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}
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else
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{
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face_maxh_modified[facenr-1] = 1;
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}
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}
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}
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void SetFaceMaxH(size_t facenr, double faceh)
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{
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if(facenr >= fmap.Extent())
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throw RangeException("OCCGeometry faces", facenr, 0, fmap.Extent());
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face_maxh[facenr] = faceh;
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face_maxh_modified[facenr] = true;
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}
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// Philippose - 15/01/2009
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// Returns the local mesh size of a given face
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double GetFaceMaxH(int facenr)
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{
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if((facenr> 0) && (facenr <= fmap.Extent()))
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{
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return face_maxh[facenr-1];
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}
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else
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{
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return 0.0;
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}
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}
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// Philippose - 14/01/2010
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// Returns the flag whether the given face
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// has a mesh size controlled by the user or not
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bool GetFaceMaxhModified(int facenr)
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{
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return face_maxh_modified[facenr-1];
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}
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// Philippose - 17/01/2009
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// Returns the index of the currently selected face
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int SelectedFace()
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{
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for(int i = 1; i <= fmap.Extent(); i++)
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{
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if(face_sel_status[i-1])
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{
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return i;
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}
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}
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return 0;
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}
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// Philippose - 17/01/2009
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// Sets the currently selected face
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void SetSelectedFace(int facenr)
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{
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face_sel_status = 0;
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if((facenr >= 1) && (facenr <= fmap.Extent()))
|
|
{
|
|
face_sel_status[facenr-1] = 1;
|
|
}
|
|
}
|
|
|
|
void LowLightAll()
|
|
{
|
|
for (int i = 1; i <= fmap.Extent(); i++)
|
|
fvispar[i-1].Lowlight();
|
|
for (int i = 1; i <= emap.Extent(); i++)
|
|
evispar[i-1].Lowlight();
|
|
for (int i = 1; i <= vmap.Extent(); i++)
|
|
vvispar[i-1].Lowlight();
|
|
}
|
|
|
|
void GetUnmeshedFaceInfo (stringstream & str);
|
|
void GetNotDrawableFaces (stringstream & str);
|
|
bool ErrorInSurfaceMeshing ();
|
|
|
|
// void WriteOCC_STL(char * filename);
|
|
|
|
private:
|
|
bool FastProject (int surfi, Point<3> & ap, double& u, double& v) const;
|
|
};
|
|
|
|
|
|
void PrintContents (OCCGeometry * geom);
|
|
|
|
DLL_HEADER OCCGeometry * LoadOCC_IGES (const char * filename);
|
|
DLL_HEADER OCCGeometry * LoadOCC_STEP (const char * filename);
|
|
DLL_HEADER OCCGeometry * LoadOCC_BREP (const char * filename);
|
|
|
|
// Philippose - 31.09.2009
|
|
// External access to the mesh generation functions within the OCC
|
|
// subsystem (Not sure if this is the best way to implement this....!!)
|
|
DLL_HEADER extern void OCCSetLocalMeshSize(const OCCGeometry & geom, Mesh & mesh, const MeshingParameters & mparam,
|
|
const OCCParameters& occparam);
|
|
|
|
DLL_HEADER extern void OCCMeshSurface (const OCCGeometry & geom, Mesh & mesh, const MeshingParameters & mparam);
|
|
|
|
DLL_HEADER extern void OCCOptimizeSurface (OCCGeometry & geom, Mesh & mesh, const MeshingParameters & mparam);
|
|
|
|
DLL_HEADER extern void OCCFindEdges (const OCCGeometry & geom, Mesh & mesh, const MeshingParameters & mparam);
|
|
|
|
|
|
namespace step_utils
|
|
{
|
|
inline Handle(TCollection_HAsciiString) MakeName (string s)
|
|
{
|
|
return new TCollection_HAsciiString(s.c_str());
|
|
};
|
|
|
|
inline Handle(StepRepr_RepresentationItem) MakeInt (int n, string name = "")
|
|
{
|
|
Handle(StepRepr_IntegerRepresentationItem) int_obj = new StepRepr_IntegerRepresentationItem;
|
|
int_obj->Init(MakeName(name), n);
|
|
return int_obj;
|
|
}
|
|
|
|
inline int ReadInt (Handle(StepRepr_RepresentationItem) item)
|
|
{
|
|
return Handle(StepRepr_IntegerRepresentationItem)::DownCast(item)->Value();
|
|
}
|
|
|
|
inline Handle(StepRepr_RepresentationItem) MakeReal (double val, string name = "")
|
|
{
|
|
Handle(StepBasic_MeasureValueMember) value_member = new StepBasic_MeasureValueMember;
|
|
value_member->SetReal(val);
|
|
Handle(StepRepr_ValueRepresentationItem) value_repr = new StepRepr_ValueRepresentationItem;
|
|
value_repr->Init(MakeName(name), value_member);
|
|
return value_repr;
|
|
}
|
|
|
|
inline double ReadReal (Handle(StepRepr_RepresentationItem) item)
|
|
{
|
|
return Handle(StepRepr_ValueRepresentationItem)::DownCast(item)
|
|
->ValueComponentMember()->Real();
|
|
}
|
|
|
|
|
|
inline Handle(StepRepr_RepresentationItem) MakeCompound( FlatArray<Handle(StepRepr_RepresentationItem)> items, string name = "" )
|
|
{
|
|
Handle(StepRepr_HArray1OfRepresentationItem) array_repr = new StepRepr_HArray1OfRepresentationItem(1,items.Size());
|
|
|
|
for(auto i : Range(items))
|
|
array_repr->SetValue(i+1, items[i]);
|
|
|
|
Handle(StepRepr_CompoundRepresentationItem) comp = new StepRepr_CompoundRepresentationItem;
|
|
comp->Init( MakeName(name), array_repr );
|
|
return comp;
|
|
}
|
|
|
|
void WriteIdentifications(const Handle(Interface_InterfaceModel) model, const TopoDS_Shape & shape, const Handle(Transfer_FinderProcess) finder);
|
|
void ReadIdentifications(Handle(StepRepr_RepresentationItem) item, Handle(Transfer_TransientProcess) transProc);
|
|
|
|
inline Quantity_ColorRGBA MakeColor(const Vec<4> & c)
|
|
{
|
|
return Quantity_ColorRGBA (c[0], c[1], c[2], c[3]);
|
|
}
|
|
|
|
inline Vec<4> ReadColor (const Quantity_ColorRGBA & c)
|
|
{
|
|
auto rgb = c.GetRGB();
|
|
return {rgb.Red(), rgb.Green(), rgb.Blue(), c.Alpha()};
|
|
}
|
|
|
|
|
|
void LoadProperties(const TopoDS_Shape & shape,
|
|
const STEPCAFControl_Reader & reader,
|
|
const Handle(TDocStd_Document) step_doc);
|
|
void WriteProperties(const Handle(Interface_InterfaceModel) model, const Handle(Transfer_FinderProcess) finder, const TopoDS_Shape & shape);
|
|
|
|
void WriteSTEP(const TopoDS_Shape & shape, string filename);
|
|
|
|
inline void WriteSTEP(const OCCGeometry & geo, string filename)
|
|
{
|
|
WriteSTEP(geo.GetShape(), filename);
|
|
}
|
|
|
|
// deep copy, also ensures consistent shape ordering (face numbers etc.)
|
|
TopoDS_Shape WriteAndRead(const TopoDS_Shape shape);
|
|
} // namespace step_utils
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|