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occt/samples/mfc/standard/07_Triangulation/src/Tesselate_Presentation.cpp
kgv 576f8b111b 0024943: Port MFC samples to UNICODE for compatibility with VS2013 
Add vc12 project files for MFC samples.

CMake - add Unicode option for MFC samples

CMake - do not set MFC option globally

Update description of Cmake building procedure for MFC sample

Correction of cmake.md and automake.md

0024943: Port MFC sample to UNICODE for compatibility with VS2013
The formatting of developer guides about OCCT building with various build systems has been improved.

automake article clean up
2014-07-31 14:44:38 +04:00

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// 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>
#ifdef WNT
#define EOL "\r\n"
#else
#define EOL "\n"
#endif
// 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();
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
" // takes the array of nodes for this triangulation:" EOL
" const TColgp_Array1OfPnt& aNodes = aTr->Nodes();" EOL
" // takes the array of triangles for this triangulation:" EOL
" const Poly_Array1OfTriangle& triangles = aTr->Triangles();" EOL EOL
" // create array of node points in absolute coordinate system" EOL
" TColgp_Array1OfPnt aPoints(1, aNodes.Length());" EOL
" for( Standard_Integer i = 1; i < aNodes.Length()+1; i++)" EOL
" aPoints(i) = aNodes(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
" triangles(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);
TopTools_SequenceOfShape aVertices;
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())
{
const TColgp_Array1OfPnt& aNodes = aTr->Nodes();
aNumOfNodes += aTr->NbNodes();
//Standard_Integer aLower = aNodes.Lower();
//Standard_Integer anUpper = aNodes.Upper();
const Poly_Array1OfTriangle& triangles = aTr->Triangles();
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 = aNodes(aNodesOfPol(i)).Transformed(aLocation);
gp_Pnt aPnt2 = aNodes(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();
aShowShape = drawShape(aShape);
if(WAIT_A_SECOND) return;
aShowEdge = drawShape(aComp2,Quantity_NOC_GREEN);
getAISContext()->Erase(aShowShape);
if(WAIT_A_SECOND) return;
}
}
}
TopTools_DataMapOfIntegerShape aEdges;
TopTools_SequenceOfShape aVertices;
for( Standard_Integer i = 1; i < aNodes.Length()+1; i++)
{
gp_Pnt aPnt = aNodes(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++)
{
triangles(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);
}
}
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);
}
void Tesselate_Presentation::sample(const Standard_CString aFileName)
{
CString initfile(((OCC_App*) AfxGetApp())->GetInitDataDir());
initfile += "\\..\\..\\Data\\";
initfile += 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, 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);
}
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