filenameBlockVti=filenameBlock+"-ZLib.vti";
vtkXMLImageDataWriter *writer = vtkXMLImageDataWriter::New();
writer->SetDataModeToBinary();
filenameBlockVti=filenameBlock+"-ZLib.vti";
vtkXMLImageDataWriter *writer = vtkXMLImageDataWriter::New();
writer->SetDataModeToBinary();