Added classes for direction encoding, gradient estimation and gradient shading. These are intended as a replacement for vtkNormalEncoder
Added classes for direction encoding, gradient estimation and gradient
shading. These are intended as a replacement for vtkNormalEncoder

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