Disabled lighting for overlay.

src/ui/map3D/GLOverlayGeode.cc

@@ -148,9 +148,11 @@ GLOverlayGeode::GLOverlayDrawable::drawImplementation(osg::RenderInfo&) const
         return;
     }
 
+    glMatrixMode(GL_MODELVIEW);
+    glDisable(GL_LIGHTING);
     glPushMatrix();
 
-    glScalef(-1.0f, 1.0f, 1.0f);
+    glScalef(-1.0f, 1.0f, -1.0f);
     glRotatef(90.0f, 0.0f, 0.0f, 1.0f);
 
     const std::string& data = mOverlay.data();
@@ -401,6 +403,7 @@ GLOverlayGeode::GLOverlayDrawable::drawImplementation(osg::RenderInfo&) const
     }
 
     glPopMatrix();
+    glEnable(GL_LIGHTING);
 }
 
 osg::BoundingBox