OSG读取DXF

待我称王封你为后i 2021-11-16 09:44 254阅读 0赞

![ContractedBlock.gif][] ![ExpandedBlockStart.gif][]

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     }

转载于:https://www.cnblogs.com/cmleung/archive/2011/09/06/2169274.html

[ContractedBlock.gif]: https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif
[ExpandedBlockStart.gif]: /images/20211116/3bd9d729cc6d48d3b65ec3b442f79169.png