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Am 23.08.2015 um 06:08 schrieb Stephen:
> On 8/22/2015 10:13 PM, LanuHum wrote:
>> Stephen <mca### [at] aol com> wrote:
>>> On 8/22/2015 8:55 PM, LanuHum wrote:
>>>> contained_by { box{-1, 1} }
>>>
>>> Have you tried increasing the contained_by?
>>>
>>> --
>>>
>>> Regards
>>> Stephen
>>
>> No!
>> I don't know an origin of these parameters.
>> I only try to connect the Blender with Povray.
>> Therefore I ask for help.
>> Thanks!
>> The increase in contained_by normalizes a situation.
>> Let the user choose.
>
> You might want to try min_extent and max_extent to define the
> contained_by box (can also be a sphere)
Unfortunately that won't help with this issue, as min_extent and
max_extent give you the extent of the object's bounding box (rather than
the object itself), which in case of parametrics is in turn simply based
on the contained_by object.
One possible solution would be to evaluate some sample points from the
function set (possibly using an adaptive algorithm), and create the
contained_by box based on the range of the results (with some additional
margin).
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