COMP: make sure bS1 and bS2 are initialized
COMP: make sure bS1 and bS2 are initialized

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