source: GTP/trunk/Lib/Vis/Preprocessing/src/ObjExporter.cpp @ 2601

Revision 2601, 2.1 KB checked in by mattausch, 17 years ago (diff)
  • Property svn:executable set to *
Line 
1#include "SceneGraph.h"
2#include "Polygon3.h"
3#include "Mesh.h"
4#include "ObjExporter.h"
5
6
7using namespace std;
8
9namespace GtpVisibilityPreprocessor {
10
11ObjExporter::ObjExporter(const string filename):Exporter(filename)
12{
13  stream.open(mFilename.c_str());
14  stream<<"#File exported by GTP visibility preprocessor"<<endl;
15  vertexIndex = 1;
16}
17
18
19ObjExporter::~ObjExporter()
20{
21  stream<<"# export finished"<<endl;
22  stream.close();
23}
24
25void
26ObjExporter::ExportSceneNode(SceneGraphNode *node)
27{
28        if (!node->IsLeaf())
29        {
30                SceneGraphInterior *interior = static_cast<SceneGraphInterior *>(node);
31
32                SceneGraphNodeContainer::iterator ni = interior->mChildren.begin();
33
34                for (; ni != interior->mChildren.end(); ni++)
35                        ExportSceneNode(*ni);
36        }
37        else
38        {
39
40                SceneGraphLeaf *leaf = static_cast<SceneGraphLeaf *>(node);
41
42                ObjectContainer::const_iterator mi = leaf->mGeometry.begin();
43
44                for (; mi != leaf->mGeometry.end(); mi++)
45                {       // export the transform ...
46                        ExportIntersectable(*mi);
47                }
48        }
49}
50
51void
52ObjExporter::ExportMesh(Mesh *mesh)
53{
54  int vertexOffset = vertexIndex;
55 
56  VertexContainer::const_iterator vi = mesh->mVertices.begin();
57  for (; vi != mesh->mVertices.end(); vi++) {
58    stream<<"v "<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z<<endl;
59        vertexIndex ++;
60  }
61 
62  FaceContainer::const_iterator fi = mesh->mFaces.begin();
63  for (; fi != mesh->mFaces.end(); fi++) {
64    Face *face = *fi;
65    VertexIndexContainer::const_iterator vi = face->mVertexIndices.begin();
66        stream<<"f ";
67    for (; vi != face->mVertexIndices.end(); vi++)
68      stream<<vertexOffset + *vi<<" ";
69        stream<<endl;
70  }
71}
72
73
74void
75ObjExporter::ExportPolygon(Polygon3 *poly)
76{
77  int vertexOffset = vertexIndex;
78 
79  VertexContainer::const_iterator vi = poly->mVertices.begin();
80  for (; vi != poly->mVertices.end(); vi++) {
81    stream<<"v "<<(*vi).x<<" "<<(*vi).y<<" "<<(*vi).z<<endl;
82        vertexIndex ++;
83  }
84 
85  stream<<"f ";
86  int i = vertexOffset;
87  vi = poly->mVertices.begin();
88  for (; vi != poly->mVertices.end(); vi++, i++)
89        stream<<i<<" ";
90  stream<<endl;
91 
92}
93
94}
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