vtkOSPRayRendererNode: make M_PI available on Windows

5a96871a · Ben Boeckel · Ben Boeckel · e8d03b9c · 5a96871a
Commit 5a96871a authored 8 years ago by Ben Boeckel Committed by Ben Boeckel 8 years ago
--- a/Rendering/OSPRay/vtkOSPRayRendererNode.cxx
+++ b/Rendering/OSPRay/vtkOSPRayRendererNode.cxx
@@ -12,6 +12,11 @@
     PURPOSE.  See the above copyright notice for more information.

 =========================================================================*/
+
+#ifdef _WIN32
+#define _USE_MATH_DEFINES
+#endif
+
 #include "vtkOSPRayRendererNode.h"

 #include "vtkCamera.h"