break a tangent on a curve point

[e955...@gmail.com]

Hi there,

i was wondering if anyone knew of a way to break a tangent on a particular edit point on a curve. So that if the curve is cubic, you can make the tangent linear at a particular point.

does anyone know a way to do this in python with maybe insertKnot or rebuildCurve commands. So far i can't find a way.

thanks,
Sam

[Justin Israel]

I will reply in the meantime with most likely the least correct solution, until someone with more curve experience can offer better. As far as I understand, unless it is a bezier it doesn't have a proper editable tangent. What about this?

1. Select the target edit points:  (P-1) , P , (P+1)

2. detachCurve   (now you have 4 curve components)

3. Select the two curves:  (P-1, P)  and (P, P+1)

4. rebuildCurve: uniform, Keep Ends, Spans 1, Degree 1

5. Select all curves

6. attachCurve: connect, keep multiple knots

Ok now someone else can point out that I have probably overcomplicated this and there is a simpler way.

Justin

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[e955...@gmail.com]

thanks Justin, will check this out. Seems like it should be an easy fix, but maybe it not implemented hmmm.

Sam