fix points rendering when drawing symmetry-related copies
fix points rendering when drawing symmetry-related copies

Traksewt/pv,CyrusBiotechnology/pv,biasmv/pv,yuhangwang/pv,biasmv/pv,biasmv/pv,Traksewt/pv,CyrusBiotechnology/pv,CyrusBiotechnology/pv,Traksewt/pv,yuhangwang/pv,biasmv/pv,CyrusBiotechnology/pv,yuhangwang/pv,Traksewt/pv,yuhangwang/pv