+++ /dev/null
-// Tesselate_Presentation.cpp: implementation of the Tesselate_Presentation class.
-// Tesselate shapes.
-////////////////////////////////////////////////////////////////////////////
-
-#include "stdafx.h"
-#include "Tesselate_Presentation.h"
-#include "TriangulationApp.h"
-#include "TriangulationDoc.h"
-
-#include <Precision.hxx>
-#include <TopoDS.hxx>
-#include <TopoDS_Edge.hxx>
-#include <TopoDS_Face.hxx>
-#include <TopoDS_Compound.hxx>
-
-#include <BRep_Builder.hxx>
-#include <BRepTools.hxx>
-#include <BRep_Tool.hxx>
-#include <BRepBuilderAPI_MakeEdge.hxx>
-#include <BRepBuilderAPI_MakeVertex.hxx>
-#include <BRepMesh_IncrementalMesh.hxx>
-
-#include <TopExp_Explorer.hxx>
-#include <TopLoc_Location.hxx>
-#include <TopTools_DataMapOfIntegerShape.hxx>
-#include <TopTools_SequenceOfShape.hxx>
-
-#include <Poly_Triangulation.hxx>
-#include <Poly_PolygonOnTriangulation.hxx>
-#include <Poly_Array1OfTriangle.hxx>
-#include <TColgp_Array1OfPnt.hxx>
-#include <TColStd_Array1OfInteger.hxx>
-
-#include <gp_Pnt.hxx>
-
-#define EOL "\r\n"
-
-// Initialization of global variable with an instance of this class
-OCCDemo_Presentation* OCCDemo_Presentation::Current = new Tesselate_Presentation;
-
-// Initialization of array of samples
-Standard_CString Tesselate_Presentation::myFileNames[] =
-{
- "wedge_ok.brep",
- "shell1.brep",
- "Pump_Nut.brep",
- "Pump_TopCover.brep",
- 0
-};
-
-//////////////////////////////////////////////////////////////////////
-// Construction/Destruction
-//////////////////////////////////////////////////////////////////////
-
-Tesselate_Presentation::Tesselate_Presentation()
-{
- for (myNbSamples = 0; myFileNames[myNbSamples]; myNbSamples++);
- setName ("Tesselate shapes");
-}
-
-//////////////////////////////////////////////////////////////////////
-// Sample execution
-//////////////////////////////////////////////////////////////////////
-
-void Tesselate_Presentation::DoSample()
-{
- ((CTriangulationApp*) AfxGetApp())->SetSampleName (L"Tesselate");
- ((CTriangulationApp*) AfxGetApp())->SetSamplePath (L"");
- getAISContext()->EraseAll (Standard_True);
- if (myIndex >=0 && myIndex < myNbSamples)
- sample (myFileNames[myIndex]);
-}
-
-//////////////////////////////////////////////////////////////////////
-// Sample functions
-//////////////////////////////////////////////////////////////////////
-//================================================================
-
-inline Standard_Integer _key(Standard_Integer n1,Standard_Integer n2)
-{
-
- Standard_Integer key =
- (n2>n1)?(n1<<16)+n2:(n2<<16)+n1;
- return key;
-}
-
-//DATA : [myIndex][{Deflection,NumberOfFace,NumberOfEdge}]
-static const Standard_Real DATA [][3] =
-{
- {0.2,1,2},{0.5,6,2},{0.7,16,2},{1,1,2}
-};
-
-
-void Tesselate_Presentation::tesselateShape(const TopoDS_Shape& aShape)
-{
-// setResultTitle("Tesselate shape");
- TCollection_AsciiString aText = (
- "/////////////////////////////////////////////////////////////////" EOL
- "// Tesselate shape." EOL
- "/////////////////////////////////////////////////////////////////" EOL EOL
- ) ;
-
- Standard_Real aDeflection = DATA[myIndex][0];
- Standard_Integer aNumOfFace = (Standard_Integer)DATA[myIndex][1];
- Standard_Integer aNumOfEdge = (Standard_Integer)DATA[myIndex][2];
-
- aText +=
- "Standard_Real aDeflection;" EOL
- "// aDeflection = ... ;" EOL EOL
-
- "// removes all the triangulations of the faces ," EOL
- "//and all the polygons on the triangulations of the edges:" EOL
- "BRepTools::Clean(aShape);" EOL EOL
-
- "// adds a triangulation of the shape aShape with the deflection aDeflection:" EOL
- "BRepMesh::Mesh(aShape,aDeflection);" EOL EOL
-
- "TopExp_Explorer aExpFace,aExpEdge;" EOL
- "for(aExpFace.Init(aShape,TopAbs_FACE);aExpFace.More();aExpFace.Next())" EOL
- "{ " EOL
- " TopoDS_Face aFace = TopoDS::Face(aExpFace.Current());" EOL
- " TopLoc_Location aLocation;" EOL EOL
-
- " // takes the triangulation of the face aFace:" EOL
- " Handle(Poly_Triangulation) aTr = BRep_Tool::Triangulation(aFace,aLocation);" EOL EOL
-
- " if(!aTr.IsNull()) // if this triangulation is not NULL" EOL
- " { " EOL
- " // create array of node points in absolute coordinate system" EOL
- " TColgp_Array1OfPnt aPoints(1, aTr->NbNodes());" EOL
- " for( Standard_Integer i = 1; i < aTr->NbNodes()+1; i++)" EOL
- " aPoints(i) = aTr->Node (i).Transformed (aLocation);" EOL EOL
-
- " // Takes the node points of each triangle of this triangulation." EOL
- " // takes a number of triangles:" EOL
- " Standard_Integer nnn = aTr->NbTriangles();" EOL
- " Standard_Integer nt,n1,n2,n3;" EOL
- " for( nt = 1 ; nt < nnn+1 ; nt++)" EOL
- " {" EOL
- " // takes the node indices of each triangle in n1,n2,n3:" EOL
- " aTr->Triangle (nt).Get (n1,n2,n3);" EOL
- " // takes the node points:" EOL
- " gp_Pnt aPnt1 = aPoints(n1);" EOL
- " gp_Pnt aPnt2 = aPoints(n2);" EOL
- " gp_Pnt aPnt3 = aPoints(n3);" EOL
- " } " EOL EOL
-
- " // Takes the polygon associated to an edge." EOL
- " aExpEdge.Init(aFace,TopAbs_EDGE);" EOL
- " TopoDS_Edge aEdge;" EOL
- " // for example,working with the first edge:" EOL
- " if(aExpEdge.More())" EOL
- " aEdge = TopoDS::Edge(aExpEdge.Current());" EOL EOL
-
- " if(!aEdge.IsNull()) // if this edge is not NULL" EOL
- " {" EOL
- " // takes the polygon associated to the edge aEdge:" EOL
- " Handle(Poly_PolygonOnTriangulation) aPol = " EOL
- " BRep_Tool::PolygonOnTriangulation(aEdge,aTr,aEdge.Location());" EOL EOL
-
- " if(!aPol.IsNull()) // if this polygon is not NULL" EOL
- " // takes the array of nodes for this polygon" EOL
- " // (indexes in the array of nodes for triangulation of theFace):" EOL
- " const TColStd_Array1OfInteger& aNodesOfPol = aPol->Nodes();" EOL
- " }" EOL
- " }" EOL
- "}" EOL EOL
-
- "//==================================================" EOL EOL
-
- ;
- aText += " Result with deflection = ";
- aText += TCollection_AsciiString(aDeflection);
- aText += " :" EOL;
-
- GetDocument()->PocessTextInDialog("Compute the triangulation on a shape", aText);
-// setResultText(aText.ToCString());
-
-//==========================================================================
-
- BRepTools::Clean(aShape);
- BRepMesh_IncrementalMesh(aShape,aDeflection);
-
- BRep_Builder aBuilder,aBuild1,aBuild2;
- TopoDS_Compound aCompound,aComp1,aComp2;
- aBuilder.MakeCompound(aCompound);
- aBuild1.MakeCompound(aComp1);
- aBuild2.MakeCompound(aComp2);
-
- Standard_Integer aCount = 0;
- Standard_Integer aNumOfNodes = 0;
- Standard_Integer aNumOfTriangles = 0;
-
- Handle(AIS_InteractiveObject) aShowEdge,aShowFace,aShowShape;
-
- TopExp_Explorer aExpFace,aExpEdge;
-
- for(aExpFace.Init(aShape,TopAbs_FACE);aExpFace.More();aExpFace.Next())
- {
- aCount++;
-
- TopoDS_Face aFace = TopoDS::Face(aExpFace.Current());
- TopLoc_Location aLocation;
-
- Handle(Poly_Triangulation) aTr = BRep_Tool::Triangulation(aFace,aLocation);
-
- if(!aTr.IsNull())
- {
- aNumOfNodes += aTr->NbNodes();
- //Standard_Integer aLower = aNodes.Lower();
- //Standard_Integer anUpper = aNodes.Upper();
- aNumOfTriangles += aTr->NbTriangles();
-
- if(aCount == aNumOfFace)
- {
- Standard_Integer aNbOfNodesOfFace = aTr->NbNodes();
- Standard_Integer aNbOfTrianglesOfFace = aTr->NbTriangles();
- aExpEdge.Init(aFace,TopAbs_EDGE);
-
- TopoDS_Edge aEdge;
-
- for( Standard_Integer i = 0; aExpEdge.More() && i < aNumOfEdge ; aExpEdge.Next(), i++)
- aEdge = TopoDS::Edge(aExpEdge.Current());
-
- if(!aEdge.IsNull())
- {
- Handle(Poly_PolygonOnTriangulation) aPol =
- BRep_Tool::PolygonOnTriangulation(aEdge,aTr,aEdge.Location());
-
- if(!aPol.IsNull())
- {
- const TColStd_Array1OfInteger& aNodesOfPol = aPol->Nodes();
- Standard_Integer aNbOfNodesOfEdge = aPol->NbNodes();
-
- aText += "Number of nodes of the edge = ";
- aText += TCollection_AsciiString(aNbOfNodesOfEdge) + EOL;
- aText += "Number of nodes of the face = ";
- aText += TCollection_AsciiString(aNbOfNodesOfFace) + EOL;
- aText += "Number of triangles of the face = ";
- aText += TCollection_AsciiString(aNbOfTrianglesOfFace) + EOL;
- GetDocument()->PocessTextInDialog("Compute the triangulation on a shape", aText);
-// setResultText(aText.ToCString());
-
- Standard_Integer aLower = aNodesOfPol.Lower(), anUpper = aNodesOfPol.Upper();
- for( int i = aLower; i < anUpper ; i++)
- {
- gp_Pnt aPnt1 = aTr->Node (aNodesOfPol (i)).Transformed (aLocation);
- gp_Pnt aPnt2 = aTr->Node (aNodesOfPol (i+1)).Transformed (aLocation);
- TopoDS_Vertex aVertex1 = BRepBuilderAPI_MakeVertex (aPnt1);
- TopoDS_Vertex aVertex2 = BRepBuilderAPI_MakeVertex (aPnt2);
-
- if(!aVertex1.IsNull() && !aVertex2.IsNull() && // if vertices are "alive"
- !BRep_Tool::Pnt(aVertex1).IsEqual(
- BRep_Tool::Pnt(aVertex2),Precision::Confusion())) // if they are different
- {
- aEdge = BRepBuilderAPI_MakeEdge (aVertex1,aVertex2);
- aBuild2.Add(aComp2,aVertex1);
- if(!aEdge.IsNull())
- aBuild2.Add(aComp2,aEdge);
- if(i == anUpper-1)
- aBuild2.Add(aComp2,aVertex2);
- }
- }
-
- getAISContext()->EraseAll (Standard_False);
- aShowShape = drawShape(aShape);
- if(WAIT_A_SECOND) return;
- aShowEdge = drawShape(aComp2,Quantity_NOC_GREEN);
- getAISContext()->Erase (aShowShape, Standard_True);
- if(WAIT_A_SECOND) return;
- }
- }
- }
-
-
- TopTools_DataMapOfIntegerShape aEdges;
- TopTools_SequenceOfShape aVertices;
-
- for( Standard_Integer i = 1; i < aTr->NbNodes()+1; i++)
- {
- gp_Pnt aPnt = aTr->Node (i).Transformed (aLocation);
- TopoDS_Vertex aVertex = BRepBuilderAPI_MakeVertex(aPnt);
-
- if(!aVertex.IsNull())
- {
- aBuilder.Add(aCompound,aVertex);
- if(aCount == aNumOfFace )
- aBuild1.Add(aComp1,aVertex);
- aVertices.Append(aVertex);
- }
- }
-
- Standard_Integer nnn = aTr->NbTriangles();
- Standard_Integer nt,n1,n2,n3;
-
- for( nt = 1 ; nt < nnn+1 ; nt++)
- {
- aTr->Triangle (nt).Get (n1,n2,n3);
-
- Standard_Integer key[3];
-
- TopoDS_Vertex aV1,aV2;
- key[0] = _key(n1, n2);
- if(!aEdges.IsBound(key[0]))
- {
- aV1 = TopoDS::Vertex(aVertices(n1));
- aV2 = TopoDS::Vertex(aVertices(n2));
- if(!aV1.IsNull() && !aV2.IsNull() &&
- !BRep_Tool::Pnt(aV1).IsEqual(BRep_Tool::Pnt(aV2),Precision::Confusion()))
- {
- TopoDS_Edge aEdge = BRepBuilderAPI_MakeEdge (aV1,aV2);
- if(!aEdge.IsNull())
- {
- aEdges.Bind(key[0], aEdge);
- aBuilder.Add(aCompound,aEdges(key[0]));
- if(aCount == aNumOfFace)
- aBuild1.Add(aComp1,aEdges(key[0]));
- }
- }
- }
-
- key[1] = _key(n2,n3);
- if(!aEdges.IsBound(key[1]))
- {
- aV1 = TopoDS::Vertex(aVertices(n2));
- aV2 = TopoDS::Vertex(aVertices(n3));
- if(!aV1.IsNull() && !aV2.IsNull() &&
- !BRep_Tool::Pnt(aV1).IsEqual(BRep_Tool::Pnt(aV2),Precision::Confusion()))
- {
- TopoDS_Edge aEdge = BRepBuilderAPI_MakeEdge (aV1,aV2);
- if(!aEdge.IsNull())
- {
- aEdges.Bind(key[1],aEdge);
- aBuilder.Add(aCompound,aEdges(key[1]));
- if(aCount == aNumOfFace)
- aBuild1.Add(aComp1,aEdges(key[1]));
- }
- }
- }
-
- key[2] = _key(n3,n1);
- if(!aEdges.IsBound(key[2]))
- {
- aV1 = TopoDS::Vertex(aVertices(n3));
- aV2 = TopoDS::Vertex(aVertices(n1));
- if(!aV1.IsNull() && !aV2.IsNull() &&
- !BRep_Tool::Pnt(aV1).IsEqual(BRep_Tool::Pnt(aV2),Precision::Confusion()))
- {
- TopoDS_Edge aEdge = BRepBuilderAPI_MakeEdge (aV1,aV2);
- if(!aEdge.IsNull())
- {
- aEdges.Bind(key[2],aEdge);
- aBuilder.Add(aCompound,aEdges(key[2]));
- if(aCount == aNumOfFace)
- aBuild1.Add(aComp1,aEdges(key[2]));
- }
- }
- }
- }
-
- if(aCount == aNumOfFace)
- {
- aShowFace = drawShape(aComp1,Quantity_NOC_GREEN);
- getAISContext()->Erase (aShowEdge, Standard_True);
- }
- }
- else
- {
- aText += "Can't compute a triangulation on face ";
- aText += TCollection_AsciiString(aCount) + EOL;
- GetDocument()->PocessTextInDialog("Compute the triangulation on a shape", aText);
-// setResultText(aText.ToCString());
- }
- }
-
- aText += "Number of nodes of the shape = ";
- aText += TCollection_AsciiString(aNumOfNodes) + EOL;
- aText += "Number of triangles of the shape = ";
- aText += TCollection_AsciiString(aNumOfTriangles) + EOL EOL;
- GetDocument()->PocessTextInDialog("Compute the triangulation on a shape", aText);
-// setResultText(aText.ToCString());
-
- if(WAIT_A_SECOND) return;
- drawShape(aCompound,Quantity_NOC_GREEN);
- getAISContext()->Erase (aShowFace, Standard_True);
-
-}
-
-void Tesselate_Presentation::sample(const Standard_CString aFileName)
-{
- CString anOCCTDataPathValue;
- anOCCTDataPathValue.GetEnvironmentVariable(L"CSF_OCCTDataPath");
- CString initfile = (anOCCTDataPathValue + L"\\occ\\" + aFileName);
-
-/*
- ResetView();
-
- if (aFileName == "wedge_ok.brep"){
- SetViewCenter(6.3639597574916, 4.4907309380832);
- SetViewScale(52.722555157077);
- }
-
- if (aFileName == "shell1.brep"){
- SetViewCenter(60.457553053711, -20.351208944076);
- SetViewScale(26.857478563027);
- }
-
- if (aFileName == "Pump_Nut.brep"){
- SetViewCenter(248.77723166710, 77.249633819945);
- SetViewScale(12.371719671833);
- }
-
- if (aFileName == "Pump_TopCover.brep"){
- SetViewCenter(408.72474423160, 169.38361094986);
- SetViewScale(2.1932732873087);
- }
-*/
-
- std::filebuf aFileBuf;
- std::istream aStream (&aFileBuf);
- if (!aFileBuf.open (initfile, std::ios::in))
- {
- initfile += L" was not found. The sample can not be shown.";
- GetDocument()->PocessTextInDialog ("Compute the triangulation on a shape", initfile);
- return;
- }
-
- TopoDS_Shape aShape;
- BRep_Builder aBld;
- BRepTools::Read (aShape, aStream, aBld);
- if (aShape.IsNull())
- {
- initfile += L" was not found. The sample can not be shown.";
- GetDocument()->PocessTextInDialog ("Compute the triangulation on a shape", initfile);
- return;
- }
-
- tesselateShape (aShape);
-}
projects / occt.git / blobdiff