From Paul Melis, "Here's an updated include/osgText/Text3D that forces recomputation of the glyph repr when the character depth is updated, also when the rendering mode is set.

This caused a Text3D object read from a .osg file to not have the correct depth."

include/osgText/Text3D

@@ -47,12 +47,12 @@ public:
     /** Get the Charactere Depth of text. */
     float getCharacterDepth() const { return _characterDepth; }
     /** Set the Charactere Depth of text. */
-    void setCharacterDepth(float characterDepth) { _characterDepth = characterDepth; }
+    void setCharacterDepth(float characterDepth) { _characterDepth = characterDepth; computeGlyphRepresentation(); }
     
     /** Get the render mode used to render the text. */
     RenderMode getRenderMode() const { return _renderMode; }
     /** Set the render mode used to render the text. */
-    void setRenderMode(RenderMode renderMode) { _renderMode = renderMode; }
+    void setRenderMode(RenderMode renderMode) { _renderMode = renderMode; computeGlyphRepresentation(); }
 
 //    /** Get the wall StateSet */
 //    osg::StateSet * getWallStateSet() { return _wallStateSet.get(); }