0031642: Visualization - crash in Graphic3d_Structure::SetVisual() on redisplaying...
[occt.git] / src / MeshTest / MeshTest_Debug.cxx
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81093856 1// Created on: 2016-05-31
2// Created by: Mikhail Sazonov
3// Copyright (c) 2016 OPEN CASCADE SAS
4//
5// This file is part of Open CASCADE Technology software library.
6//
7// This library is free software; you can redistribute it and/or modify it under
8// the terms of the GNU Lesser General Public License version 2.1 as published
9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
12//
13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
15
81093856 16#include <Draw_Segment3D.hxx>
17#include <DrawTrSurf_Polygon3D.hxx>
18#include <Draw.hxx>
19#include <TCollection_AsciiString.hxx>
20#include <TColgp_Array1OfPnt.hxx>
21#include <Poly_Polygon3D.hxx>
7bd071ed 22#include <BRepMesh_Edge.hxx>
23#include <BRepMesh_Vertex.hxx>
24#include <BRepMesh_Triangle.hxx>
25#include <BRepMesh_DataStructureOfDelaun.hxx>
81093856 26
27// This file defines global functions not declared in any public header,
28// intended for use from debugger prompt (Command Window in Visual Studio)
29
30//=======================================================================
31//function : MeshTest_DrawLinks
32//purpose : Draw links from mesh data structure of type BRepMesh_FaceAttribute
33//=======================================================================
7bd071ed 34Standard_EXPORT const char* MeshTest_DrawLinks(const char* theNameStr, void* theDataStruct)
81093856 35{
7bd071ed 36 if (theNameStr == 0 || theDataStruct == 0)
81093856 37 {
38 return "Error: name or face attribute is null";
39 }
40 try {
7bd071ed 41 const Handle(BRepMesh_DataStructureOfDelaun)& aMeshData = *(Handle(BRepMesh_DataStructureOfDelaun)*)theDataStruct;
81093856 42 if (aMeshData.IsNull())
43 return "Null mesh data structure";
44 Standard_Integer nbLinks = aMeshData->NbLinks();
04232180 45 std::cout << "nblink=" << nbLinks << std::endl;
81093856 46 TCollection_AsciiString aName(theNameStr);
47 for (Standard_Integer i = 1; i <= nbLinks; i++)
48 {
49 const BRepMesh_Edge& aLink = aMeshData->GetLink(i);
50 if (aLink.Movability() == BRepMesh_Deleted)
51 continue;
52 Standard_Integer n1 = aLink.FirstNode();
53 Standard_Integer n2 = aLink.LastNode();
54 const BRepMesh_Vertex& aV1 = aMeshData->GetNode(n1);
55 const BRepMesh_Vertex& aV2 = aMeshData->GetNode(n2);
7bd071ed 56 Handle(Draw_Segment3D) aSeg = new Draw_Segment3D(gp_Pnt(aV1.Coord().X(), aV1.Coord().Y(), 0),
57 gp_Pnt(aV2.Coord().X(), aV2.Coord().Y(), 0),
58 Draw_bleu);
81093856 59 Draw::Set((aName + "_" + i).ToCString(), aSeg);
60 }
61 return theNameStr;
62 }
9775fa61 63 catch (Standard_Failure const& anException)
81093856 64 {
9775fa61 65 return anException.GetMessageString();
81093856 66 }
67}
68
69//=======================================================================
70//function : MeshTest_DrawTriangles
71//purpose : Draw triangles from mesh data structure of type BRepMesh_FaceAttribute
72//=======================================================================
7bd071ed 73Standard_EXPORT const char* MeshTest_DrawTriangles(const char* theNameStr, void* theDataStruct)
81093856 74{
7bd071ed 75 if (theNameStr == 0 || theDataStruct == 0)
81093856 76 {
77 return "Error: name or face attribute is null";
78 }
79 try {
7bd071ed 80 const Handle(BRepMesh_DataStructureOfDelaun)& aMeshData =
81 *(Handle(BRepMesh_DataStructureOfDelaun)*)theDataStruct;
82
81093856 83 if (aMeshData.IsNull())
84 return "Null mesh data structure";
85 Standard_Integer nbElem = aMeshData->NbElements();
04232180 86 std::cout << "nbelem=" << nbElem << std::endl;
81093856 87 TCollection_AsciiString aName(theNameStr);
88 for (Standard_Integer i = 1; i <= nbElem; i++)
89 {
90 const BRepMesh_Triangle& aTri = aMeshData->GetElement(i);
91 if (aTri.Movability() == BRepMesh_Deleted)
92 continue;
93 Standard_Integer n[3];
94 aMeshData->ElementNodes(aTri, n);
95 const BRepMesh_Vertex& aV1 = aMeshData->GetNode(n[0]);
96 const BRepMesh_Vertex& aV2 = aMeshData->GetNode(n[1]);
97 const BRepMesh_Vertex& aV3 = aMeshData->GetNode(n[2]);
7bd071ed 98 gp_Pnt aP[4] = { gp_Pnt(aV1.Coord().X(), aV1.Coord().Y(), 0),
99 gp_Pnt(aV2.Coord().X(), aV2.Coord().Y(), 0),
100 gp_Pnt(aV3.Coord().X(), aV3.Coord().Y(), 0),
101 gp_Pnt(aV1.Coord().X(), aV1.Coord().Y(), 0) };
81093856 102 TColgp_Array1OfPnt aPnts(aP[0], 1, 4);
103 Handle(Poly_Polygon3D) aPoly = new Poly_Polygon3D(aPnts);
104 Handle(DrawTrSurf_Polygon3D) aDPoly = new DrawTrSurf_Polygon3D(aPoly);
105 Draw::Set((aName + "_" + i).ToCString(), aDPoly);
106 }
107 return theNameStr;
108 }
9775fa61 109 catch (Standard_Failure const& anException)
81093856 110 {
9775fa61 111 return anException.GetMessageString();
81093856 112 }
113}