GeometryTransitPtr createPathGeometry(const std::vector<Pnt3f>& Path) { //*******************Create the Geometry for the box GeoUInt8PropertyRecPtr type = GeoUInt8Property::create(); //Volume bound box type->push_back(GL_LINE_STRIP); GeoUInt32PropertyRefPtr lens = GeoUInt32Property::create(); //Volume bound box lens->push_back(Path.size()); Color3f CoolColor(0.0f,0.0f,1.0f), HotColor(1.0f,0.0f,0.0f); GeoUInt32PropertyRefPtr index = GeoUInt32Property::create(); GeoPnt3fPropertyRefPtr points = GeoPnt3fProperty::create(); GeoVec3fPropertyRefPtr colors = GeoVec3fProperty::create(); //Volume bound box Color3f Color; Real32 t; for(UInt32 i(0) ; i<Path.size() ; ++i) { t = static_cast<Real32>(i)/static_cast<Real32>(Path.size()); Color = (t*CoolColor) + ((1.0f-t)*HotColor); index->push_back(i); points->push_back(Path[i]); colors->push_back(Color); } GeometryRecPtr PathGeo = Geometry::create(); PathGeo->setTypes (type); PathGeo->setLengths (lens); PathGeo->setIndices (index); PathGeo->setPositions (points); PathGeo->setColors (colors); //Create the material for the line LineChunkRecPtr DefaultLineChunk = LineChunk::create(); DefaultLineChunk->setWidth(2.0f); MaterialChunkRecPtr DefaultMaterialChunk = MaterialChunk::create(); DefaultMaterialChunk->setLit(false); ChunkMaterialRecPtr DefaultChunkMaterial = ChunkMaterial::create(); DefaultChunkMaterial->addChunk(DefaultMaterialChunk); DefaultChunkMaterial->addChunk(DefaultLineChunk); PathGeo->setMaterial(DefaultChunkMaterial); return GeometryTransitPtr(PathGeo); }