Copy DIRECTION by default in REQUEST_INFORMATION

When SPACING and ORIGIN are copied by the pipeline, the associated
DIRECTION should also be copied.  Most VTK filters should simply
pass the DIRECTION to the output if present, a few filters will
have to modify the DIRECTION.

Common/ExecutionModel/vtkStreamingDemandDrivenPipeline.cxx

@@ -515,6 +515,7 @@ void vtkStreamingDemandDrivenPipeline ::CopyDefaultInformation(vtkInformation* r
           outInfo->CopyEntry(inInfo, TIME_STEPS());
           outInfo->CopyEntry(inInfo, TIME_RANGE());
           outInfo->CopyEntry(inInfo, vtkDataObject::ORIGIN());
+          outInfo->CopyEntry(inInfo, vtkDataObject::DIRECTION());
           outInfo->CopyEntry(inInfo, vtkDataObject::SPACING());
           outInfo->CopyEntry(inInfo, TIME_DEPENDENT_INFORMATION());
           if (scalarInfo)