>On Thu, 13 Dec 2001 04:24:52 -0600, "bob h" <omn### [at] charternet> wrote:
>> >         function {y-F_p(x,y,z).hf*.1}
>> > and it may also be worthwhile to increase the max_gradient on your
>> > second isosurface.
>>
>> It's a miracle!  Well, okay, not exactly a real miracle but close enough.  I
>> didn't know about this .hf thing before
>
>I was surprised too. I know - RTFM, but ".hf" is noted only in one place 
>(6.5.4.2), it is connected with function syntax but listed in isosurface chapter 
>and it
>is not listed in index. Also I wonder what about below script:
>
>#local P=function{pigment{granite}}
>#local F1=function{P(1,2,3).red} // works
>#local F2=function{P(1,2,3).hf}  // works
>#local A1=P(1,2,3).red;          // works
>#local A2=P(1,2,3).hf;           // not
>
>is it bug ?

I confirm that it doesn't parse.

However ".hf" is an experimental feature, so perhaps it shouldn't be
heavily documented yet, since "the design and implementation of these
features is likely to change in future versions of POV-Ray."

-- 
Mike Williams
Gentleman of Leisure

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