OSG读取DXF

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 1 void osgLines(osg::Group* root, bounds &b)
 2     {
 3         for(MapVListList::iterator mlitr = _linestrips.begin();
 4             mlitr != _linestrips.end();
 5             ++mlitr)
 6         {
 7             for(VListList::iterator itr = mlitr->second.begin();
 8                 itr != mlitr->second.end(); 
 9                 ++itr)
10             {
11                 if (itr->size()) {
12                     osg::Vec3Array *coords = new osg::Vec3Array;
13                     for (VList::iterator vitr = itr->begin();
14                         vitr != itr->end(); ++vitr) {
15                         osg::Vec3 v(vitr->x() - b._min.x(), vitr->y() - b._min.y(), vitr->z() - b._min.z());
16                         coords->push_back(v);
17                     }
18                     root->addChild(createModel(_name, createLnGeometry(osg::PrimitiveSet::LINE_STRIP, coords, getColor(mlitr->first))));
19                 }
20             }
21         }
22         for (MapVList::iterator mitr = _lines.begin();
23             mitr != _lines.end(); ++mitr) {
24             osg::Vec3Array *coords = new osg::Vec3Array;
25             for (VList::iterator itr = mitr->second.begin();
26                 itr != mitr->second.end(); ++itr) {
27                 osg::Vec3 v(itr->x() - b._min.x(), itr->y() - b._min.y(), itr->z() - b._min.z());
28                 coords->push_back(v);
29             }
30             root->addChild(createModel(_name, createLnGeometry(osg::PrimitiveSet::LINES, coords, getColor(mitr->first))));
31         }
32     }

　　

posted on 2011-09-06 22:51  Joshua Leung  阅读(1124)  评论(0)  编辑  收藏  举报

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