here is something i worked off of.
http://news.povray.org/povray.binaries.images/30764/

then scroll down (if your useing the web veiw of the newsgroups) to the
message from Gilles Tran.

here is an image i did based on the technique in Gilles' message
http://news.povray.org/povray.binaries.images/30995/

or alternately, seach for "finish maps" in the binaries.images group.





Christoph Hormann wrote:
>Mark Hanford wrote:
>> I'm sure this is something I've seen somewhere in the manual, but I cannot
>> find it anywhere :(
>>
>> I'm trying to create a kind of 3D relief map of the world, and have some
>> pretty image maps and height maps etc, and I want to make the water parts of
>> the map partially reflective.
>> I also have a black-and-white image with the water parts white and the land
>> parts black.
>>
>> What I can't work out is how to make areas of the height_field{} have
>> different finishes depending on the value of the B&W mask.
>
>The only way to get different finishes in POV-Ray 3.5 is to use
>different textures.
>
>You can use different textures accoding to a mask image with a
>material_map or an image_pattern with a texture_map.
>
>Christoph
>
>POV-Ray tutorials, include files, Sim-POV,
>HCR-Edit and more: http://www.tu-bs.de/~y0013390/
>Last updated 25 Oct. 2003 _____./\/^>_*_<^\/\.______
>

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