Warn about negative scales
authorAntonio Ospite <ospite@studenti.unina.it>
Sat, 1 Jul 2006 14:59:37 +0000 (16:59 +0200)
committerAntonio Ospite <ospite@studenti.unina.it>
Thu, 24 Sep 2009 15:46:19 +0000 (17:46 +0200)
 * Get the Projector earlier
 * Cleanup the workspace if the rendering fails
 * Add a warning if the objects has negative scale values, blender does
   not transform normals correctly in this case

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>

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