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]>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=-
