ENH: Compute the distance from the camera to the center of each volume so that this value can be returned as the distance to the intersection - this is a fast way to order the ray casting results as long as the volumes don't overlap.
ENH: Compute the distance from the camera to the center of each volume so
that this value can be returned as the distance to the intersection - this is
a fast way to order the ray casting results as long as the volumes don't
overlap.

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