Tor Olav Kristensen wrote:
>>>
>>> #declare FUN = function {"data_3D_3",
>>>      < LEVSCALE>, library "i_dat3d","input.dat",<NX+1,NY+1,NZ+1,0>}
>>
>>
>>
>> Whoever told you this syntax was mistaken.  See the POV-Ray manual 
>> (under 'user defined functions' and 'density files') for the correct 
>> version.
> 
> 
> I'm not sure, but maybe he is using a POV-Ray patch.
> (E.g. Density_File Extension Patch)

The DFE patch allows different file formats for density files but it 
does not introduce a new user defined function syntax.

Christoph

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