JWV wrote:
>> hello,
>>
>> 30 minutes ago I started looking at the parametric object, and the
>> result was a bit strange (and slow). I used the piece of code from
>> the help files to make a sphere, and then changed it to make a half
>> sphere and gave it a "pigment{White}". I was expecting to see a
>> white half sphere, but what I saw, was a blackish/grey-ish kind of
>> shape.
>> This puzzeled me. So I made added a half white hollow sphere to the
>> scene, to show you (the newsgroup) wat I was expecting, and what I
>> was getting. But then it even became more puzzling. There were now 2
>> half-white-hollow-spheres!
>>
>> Does anyone know what is happening here?
>>
>> The source will be posted in p.b.sf
>>
>> Thanks in advance,
>>
>> JWV

I got the same result. But adding

global_settings {  assumed_gamma 1.0 }

to the SDF gave better results.

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