Cleaner constructor for HT grids
Cleaner constructor for HT grids

Change-Id: I289dae775066d8bcc3846dcff3e0ae75fcd6a337

candy7393/VTK,keithroe/vtkoptix,aashish24/VTK-old,johnkit/vtk-dev,hendradarwin/VTK,candy7393/VTK,collects/VTK,gram526/VTK,gram526/VTK,sumedhasingla/VTK,hendradarwin/VTK,jmerkow/VTK,SimVascular/VTK,sumedhasingla/VTK,berendkleinhaneveld/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,demarle/VTK,sumedhasingla/VTK,msmolens/VTK,msmolens/VTK,sumedhasingla/VTK,ashray/VTK-EVM,aashish24/VTK-old,biddisco/VTK,hendradarwin/VTK,collects/VTK,gram526/VTK,jmerkow/VTK,johnkit/vtk-dev,johnkit/vtk-dev,sumedhasingla/VTK,berendkleinhaneveld/VTK,collects/VTK,hendradarwin/VTK,collects/VTK,biddisco/VTK,aashish24/VTK-old,gram526/VTK,demarle/VTK,demarle/VTK,SimVascular/VTK,gram526/VTK,msmolens/VTK,biddisco/VTK,hendradarwin/VTK,berendkleinhaneveld/VTK,msmolens/VTK,johnkit/vtk-dev,keithroe/vtkoptix,msmolens/VTK,sankhesh/VTK,biddisco/VTK,mspark93/VTK,SimVascular/VTK,keithroe/vtkoptix,mspark93/VTK,ashray/VTK-EVM,johnkit/vtk-dev,candy7393/VTK,keithroe/vtkoptix,jmerkow/VTK,keithroe/vtkoptix,demarle/VTK,ashray/VTK-EVM,mspark93/VTK,msmolens/VTK,berendkleinhaneveld/VTK,ashray/VTK-EVM,demarle/VTK,sankhesh/VTK,sumedhasingla/VTK,SimVascular/VTK,SimVascular/VTK,mspark93/VTK,biddisco/VTK,keithroe/vtkoptix,keithroe/vtkoptix,sankhesh/VTK,aashish24/VTK-old,demarle/VTK,demarle/VTK,sankhesh/VTK,ashray/VTK-EVM,ashray/VTK-EVM,jmerkow/VTK,mspark93/VTK,berendkleinhaneveld/VTK,candy7393/VTK,mspark93/VTK,candy7393/VTK,jmerkow/VTK,jmerkow/VTK,collects/VTK,mspark93/VTK,mspark93/VTK,biddisco/VTK,msmolens/VTK,SimVascular/VTK,sumedhasingla/VTK,keithroe/vtkoptix,sankhesh/VTK,hendradarwin/VTK,gram526/VTK,biddisco/VTK,gram526/VTK,sankhesh/VTK,candy7393/VTK,sankhesh/VTK,johnkit/vtk-dev,ashray/VTK-EVM,sankhesh/VTK,collects/VTK,SimVascular/VTK,aashish24/VTK-old,johnkit/vtk-dev,ashray/VTK-EVM,aashish24/VTK-old,hendradarwin/VTK,sumedhasingla/VTK,gram526/VTK,candy7393/VTK,SimVascular/VTK,candy7393/VTK,jmerkow/VTK,berendkleinhaneveld/VTK,msmolens/VTK,demarle/VTK