ENH: creating a default source if one is not specified
ENH: creating a default source if one is not specified

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