ENH: Some systems need a Render before Initialize

src/Cxx/DataStructures/CMakeLists.txt

src/Cxx/DataStructures/KDTreeTimingDemo.cxx

src/Cxx/DataStructures/ModifiedBSPTreeTimingDemo.cxx

src/Cxx/DataStructures/OBBTreeTimingDemo.cxx

src/Cxx/Filtering/ConnectivityFilter.cxx

src/Cxx/Filtering/WarpTo.cxx

src/Cxx/GeometricObjects/PolyLine1.cxx

src/Cxx/Geovis/GeoAssignCoordinates.cxx

src/Cxx/IO/DEMReader.cxx

src/Cxx/IO/ImageReader2Factory.cxx

src/Cxx/IO/MetaImageReader.cxx

src/Cxx/IO/ReadImageData.cxx

src/Cxx/IO/ReadPDB.cxx

src/Cxx/IO/WriteBMP.cxx

src/Cxx/IO/WritePNM.cxx

src/Cxx/IO/WriteTIFF.cxx

src/Cxx/IO/WriteVTI.cxx

src/Cxx/ImageData/ImageTranslateExtent.cxx

src/Cxx/ImageProcessing/Attenuation.cxx

src/Cxx/ImageProcessing/GaussianSmooth.cxx