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David Doria authored
IF(VTK_USE_DISPLAY) to IF(VTK_DATA_ROOT) in VTK/Rendering/Testing/Cxx/CMakeLists.txt because they would fail if DATA_ROOT was not specified. STYLE: added description for ComputeArea in vtkTriangle.h and vtkPolygon.h
a6678db5
IF(VTK_USE_DISPLAY) to IF(VTK_DATA_ROOT) in VTK/Rendering/Testing/Cxx/CMakeLists.txt because they would fail if DATA_ROOT was not specified. STYLE: added description for ComputeArea in vtkTriangle.h and vtkPolygon.h