> On 11-10-2014 22:16, Alain wrote:
>> A beter way would be to create a hightfield of your medaillon and use
>> water_level to cut out the base. That way, the shadows will always be
>> correct.
>
> The drawback of this is that the shadows from the light source are
> incorporated into the height_field. The result may not be what you expect.
>
> Thomas
>
>

I should have precised that the hight_field should be made from another 
source image. That image should not rely on any light source to show the 
relief.

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