ENH: test structured grid extents.
ENH: test structured grid extents.

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