BUG: Changed filter such that it does not replace existing vectors. Filter should not remove existing vector array when it computes gradients. Instead, it should add the gradient to the output and set it as the active vectors.
BUG: Changed filter such that it does not replace existing vectors.
Filter should not remove existing vector array when it computes
gradients. Instead, it should add the gradient to the output and
set it as the active vectors.

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