fixed bug when there is no data
fixed bug when there is no data

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