STYLE:More comment about the user-defined function.
STYLE:More comment about the user-defined function.

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