An example of a 'meta class'.  Tcl defined widget that displays histograms
An example of a 'meta class'.  Tcl defined widget that displays histograms

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