BUG: When checking for visibility, should have used box indices not absolute indices
BUG: When checking for visibility, should have used box indices not absolute indices

cjh1/VTK,daviddoria/PointGraphsPhase1,daviddoria/PointGraphsPhase1,johnkit/vtk-dev,sumedhasingla/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,Wuteyan/VTK,biddisco/VTK,sankhesh/VTK,hendradarwin/VTK,gram526/VTK,demarle/VTK,sumedhasingla/VTK,keithroe/vtkoptix,candy7393/VTK,ashray/VTK-EVM,berendkleinhaneveld/VTK,daviddoria/PointGraphsPhase1,ashray/VTK-EVM,gram526/VTK,SimVascular/VTK,aashish24/VTK-old,gram526/VTK,keithroe/vtkoptix,jeffbaumes/jeffbaumes-vtk,SimVascular/VTK,jeffbaumes/jeffbaumes-vtk,naucoin/VTKSlicerWidgets,jmerkow/VTK,biddisco/VTK,hendradarwin/VTK,sgh/vtk,mspark93/VTK,mspark93/VTK,mspark93/VTK,candy7393/VTK,sankhesh/VTK,berendkleinhaneveld/VTK,collects/VTK,sankhesh/VTK,biddisco/VTK,SimVascular/VTK,sumedhasingla/VTK,hendradarwin/VTK,mspark93/VTK,candy7393/VTK,collects/VTK,msmolens/VTK,naucoin/VTKSlicerWidgets,arnaudgelas/VTK,msmolens/VTK,daviddoria/PointGraphsPhase1,jmerkow/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,Wuteyan/VTK,ashray/VTK-EVM,SimVascular/VTK,collects/VTK,spthaolt/VTK,ashray/VTK-EVM,berendkleinhaneveld/VTK,johnkit/vtk-dev,biddisco/VTK,hendradarwin/VTK,naucoin/VTKSlicerWidgets,mspark93/VTK,arnaudgelas/VTK,keithroe/vtkoptix,cjh1/VTK,arnaudgelas/VTK,gram526/VTK,keithroe/vtkoptix,jeffbaumes/jeffbaumes-vtk,SimVascular/VTK,collects/VTK,msmolens/VTK,sgh/vtk,sankhesh/VTK,hendradarwin/VTK,sgh/vtk,Wuteyan/VTK,Wuteyan/VTK,sumedhasingla/VTK,gram526/VTK,spthaolt/VTK,ashray/VTK-EVM,ashray/VTK-EVM,sankhesh/VTK,keithroe/vtkoptix,jmerkow/VTK,gram526/VTK,msmolens/VTK,Wuteyan/VTK,mspark93/VTK,keithroe/vtkoptix,candy7393/VTK,candy7393/VTK,cjh1/VTK,Wuteyan/VTK,collects/VTK,demarle/VTK,spthaolt/VTK,naucoin/VTKSlicerWidgets,spthaolt/VTK,sumedhasingla/VTK,naucoin/VTKSlicerWidgets,sgh/vtk,jmerkow/VTK,berendkleinhaneveld/VTK,sankhesh/VTK,SimVascular/VTK,aashish24/VTK-old,berendkleinhaneveld/VTK,msmolens/VTK,demarle/VTK,spthaolt/VTK,johnkit/vtk-dev,mspark93/VTK,demarle/VTK,SimVascular/VTK,cjh1/VTK,sumedhasingla/VTK,candy7393/VTK,daviddoria/PointGraphsPhase1,arnaudgelas/VTK,SimVascular/VTK,sankhesh/VTK,collects/VTK,msmolens/VTK,sankhesh/VTK,keithroe/vtkoptix,arnaudgelas/VTK,biddisco/VTK,jeffbaumes/jeffbaumes-vtk,jeffbaumes/jeffbaumes-vtk,aashish24/VTK-old,sgh/vtk,cjh1/VTK,msmolens/VTK,ashray/VTK-EVM,candy7393/VTK,sumedhasingla/VTK,jmerkow/VTK,msmolens/VTK,aashish24/VTK-old,biddisco/VTK,mspark93/VTK,demarle/VTK,demarle/VTK,arnaudgelas/VTK,hendradarwin/VTK,aashish24/VTK-old,demarle/VTK,jeffbaumes/jeffbaumes-vtk,biddisco/VTK,cjh1/VTK,johnkit/vtk-dev,spthaolt/VTK,candy7393/VTK,spthaolt/VTK,johnkit/vtk-dev,hendradarwin/VTK,demarle/VTK,daviddoria/PointGraphsPhase1,naucoin/VTKSlicerWidgets,sgh/vtk,gram526/VTK,keithroe/vtkoptix,jmerkow/VTK,jmerkow/VTK,aashish24/VTK-old,Wuteyan/VTK,johnkit/vtk-dev,gram526/VTK,johnkit/vtk-dev