Starting with QGIS 2.4 we have seen the introduction of both shapeburst fills and inverse fills. This allows for some great visualizations.

QGIS Inverse Shapeburst Fill

Options:
Inverse Shapeburst Fill Settings

QGIS Layer Style File (save it as a ".qml" file and load a style):





  

    

      

        

          

            

            

            

            

            

            

            

            

            

            

            

            

            

            

            

          

        

      

      

      

    

  

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