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Am 10.01.2016 um 18:55 schrieb William F Pokorny:
> On 01/10/2016 12:35 PM, Le_Forgeron wrote:
>> Le 10/01/2016 17:19, MidiPlay a écrit :
>>
>> There is something strange with cubic spline:
>> * povray 3.6 binary gives a continuous curve
>> * povray 3.7 (stable, master, and others...) gives a curve splitted in
>> the middle.
>>
>> Such split does not happen with linear_spline
>>
>
> I see the same, but will add if you gradually move the Y position of the
> camera 100 -> 500 results gradually look better until at about 500
> things look OK.
>
> Internal bounding issue?
Looks pretty much like that. 3rd-order polynomial (e.g. cubic) splines
are known to sometimes botch the bounding box computation.
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