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On 25/05/2018 21:08, Alain wrote:
> Le 18-05-24 à 17:57, lelama a écrit :
>> dick balaska <dic### [at] buckosoftcom> wrote:
>>
>>>
>>> I use the Colefax spline macro for all my spline needs.
>>>
>>> http://www.oocities.org/siliconvalley//lakes/1434/spline/index.html
>>>
>>> --
>>> dik
>>> Rendered 328976 of 330000 (99%)
>>
>>
>>
>> Interesting, thanks. The tension parameter seems useful in some
>> situations.
>> Would be interesting to get this parameter nativly in povray.
>>
>> By the way, is it possible to glue splines in povray. By gluing, I
>> mean I have 2
>> splines, one from points p0 to pn and the second one from points pn to
>> pq. Then
>> I would like to concatenate the 2 splines and get one spline from p0
>> to pq that
>> I could use like a usual spline.
>>
>>
>
> Yes, in a way.
> If the spline is from a sphere_sweep, simply putting them into an union
> will do the trick.
>
> If you want a genuine spline that is the concatenation of two or more
> splines, it's more complex : You need to edit the splines to make a
> single one from the points of the original ones. If you have anything
> else than a linear spline, you need to take care of the control points.
If I remember well. Moray had an object that was a bezier patch that did
what was required in two dimensions.
I have no idea how they did it.
--
Regards
Stephen
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