[FIX #124] issue fixed. the reason was a re-used callback for each node...

[FIX #124] issue fixed. the reason was a re-used callback for each node registered to the colormapper. the nodemaskcallback of the navslices was then applied to all nodes in the colormnapper because addUpdateCallback nests them (enqueue).

src/core/graphicsEngine/WGEColormapping.cpp

@@ -85,8 +85,7 @@ void setPreTransform( osg::ref_ptr< WGEShader > shader, osg::Matrixd preTransfor
     shader->setDefine( "ColormapPreTransform", out.str() );
 }
 
-WGEColormapping::WGEColormapping():
-    m_callback( new WGEFunctorCallback< osg::Node >( boost::bind( &WGEColormapping::callback, this, _1 ) ) )
+WGEColormapping::WGEColormapping()
 {
     // initialize members
     m_textures.getChangeCondition()->subscribeSignal( boost::bind( &WGEColormapping::textureUpdate, this ) );
@@ -167,7 +166,7 @@ void WGEColormapping::applyInst( NodeList nodes, WMatrix4d preTransform, osg::re
         info->m_preTransform = preTransform;
         m_nodeInfo.insert( std::make_pair( *i, info ) );
 
-        ( *i )->addUpdateCallback( m_callback );
+        ( *i )->addUpdateCallback( new WGEFunctorCallback< osg::Node >( boost::bind( &WGEColormapping::callback, this, _1 ) ) );
 
         // add the default shader if no other shader has been specified.
         s->apply( *i );

src/core/graphicsEngine/WGEColormapping.h

@@ -323,7 +323,7 @@ protected:
     void replaceTextureInst( osg::ref_ptr< WGETexture3D > old, osg::ref_ptr< WGETexture3D > newTex, std::string name = "" );
 
     /**
-     * This callback handles all the updates needed. It is called by the m_callback instance every update cycle for each node using this
+     * This callback handles all the updates needed. It is called by the callback instance every update cycle for each node using this
      * WGEColormapping instance.
      *
      * \param node
@@ -346,11 +346,6 @@ private:
      */
     TextureContainerType m_textures;
 
-    /**
-     * The callback used for all the texture update handling on several nodes.
-     */
-    osg::ref_ptr< WGEFunctorCallback< osg::Node > > m_callback;
-
     /**
      * Simple structure to store some additional node-related info like texture units and so on.
      */