On 12/9/2016 12:02 AM, clipka wrote:
> Am 09.12.2016 um 03:36 schrieb Mike Horvath:
>> If I rotate the camera 90 degrees around the x axis, the isosurface
> My guess would be that on the "bottom" side of the shape, the function
> has a much stronger gradient, so that when POV-Ray starts searching the
> contained_by volume for intersection points starting from that side, it
> finds incredibly huge values and thinks, "oh, I must still be VERY far
> from the surface" -- advances a good deal, _skipping_ over the actual
> body of the shape, and finds itself still outside, concluding that there
> is no shape at all.
> You must either increase max_gradient to fit even that portion of the
> shape, or somehow find a way to get a nicer gradient down there.
Is there any "adaptive" form of max_gradient, so the setting is only
high where needed?
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