Let's hope so! This feature is basic enough to be high on the priority list....



> Eric Turman <[email protected]> hat am 26. Mai 2014 um 17:18 geschrieben:
> 
>  Correct. I reported the bug at the end of the beta for 2015, it works fine in
> 2013 but breaks after 2014.
> 
>  I hope that this regression bug is a low hanging fruit that they can get to
> soon.
> 
> 
>  On Mon, May 26, 2014 at 10:10 AM, Thomas Volkmann <[email protected]
> <mailto:[email protected]> > wrote:
>    > >    Hi,
> > 
> >    we just opened up an old scene and found that some objects were moving
> > strange on their curves. It seems some bug was introduced to the
> > path-constrain operator when using closed curves and tangency. Tangency is
> > doing something wrong.
> > 
> >    A little python-script to reproduce:
> > 
> > 
> >    Application.NewScene("", "")
> >    Application.SICreateCurve("crvlist", 3, 0)
> >    Application.SIAddPointOnCurveAtEnd("crvlist", -4.12493302610738, 0,
> > -1.5985306969839, False, 0, "")
> >    Application.SIAddPointOnCurveAtEnd("crvlist", -1.94612224821476, 0,
> > -2.72067807367415, False, 0, "")
> >    Application.SIAddPointOnCurveAtEnd("crvlist", 2.89802986962416, 0,
> > -3.2076476899737, False, 0, "")
> >    Application.SIAddPointOnCurveAtEnd("crvlist", 6.282590301302, 0,
> > 1.95846476120408, False, 0, "")
> >    Application.SIAddPointOnCurveAtEnd("crvlist", 0.973061124107382, 0,
> > 4.54152098679297, False, 0, "")
> >    Application.SIAddPointOnCurveAtEnd("crvlist", -2.87687636692617, 0,
> > 3.71578989828504, False, 0, "")
> >    Application.SIAddPointOnCurveAtEnd("crvlist", -5.01338013942281, 0,
> > 1.09038848867011, False, 0, "")
> >    Application.ApplyTopoOp("CrvOpenClose", "crvlist", 3,
> > "siPersistentOperation", "")
> >    Application.ActivateObjectSelTool("")
> >    Application.ActivateObjectSelTool("")
> >    Application.GetPrim("Null", "", "", "")
> >    Application.ApplyCns("Path", "null", "crvlist", "")
> >    Application.SetValue("null.kine.pathcns.perc", 3.646, "")   # on linux
> > the objects rotation will be nan when this is 0 and tangency gets activated
> >    Application.SetValue("null.kine.pathcns.tangent", True, "")
> >    Application.SetValue("null.kine.pathcns.dirx", 0, "")
> >    Application.SetValue("null.kine.pathcns.diry", 0, "")
> >    Application.SetValue("null.kine.pathcns.dirz", 1, "")
> >    Application.SetValue("null.kine.pathcns.upvct_active", True, "")
> > 
> > 
> > 
> >    When you now move the path age slider you will notice that the null
> > doesn't align to the curve like it should.
> > 
> >    Some observations:
> >    + was introduced either with 2014SP1 or SP2  (works in 2014 but not in
> > SP2 or 2015, don't have SP1 available atm)
> >    + only closed handmade curves are affected (but not
> > getPrimitve->curve->circle)
> >    + null rotation becomes 'nan' on linux when path-age is 0 and tangency is
> > activated (no problem on windows)
> > 
> >    Please please fix it for for the absolute final Softimage version!
> > 
> >    cheers,
> >    Thomas
> > 
> >  > 
> 
> 
>  --
> 
> 
> 
> 
>  -=T=-
> 

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