you need to separate the MScriptUtil  instancing to preserve the pointer.

uutil = MScriptUtil()
u = uutil.asDoublePtr()
vutil = MScriptUtil()
v = vutil.asDoublePtr()




On Wed, Sep 9, 2015 at 4:24 PM, Rémi Deletrain <[email protected]>
wrote:

> Hello everyone,
>
> I am trying to retrieve a position of a uv nurbssurface from a point in
> space.
> For this I use the Maya API.
>
> I tried with a mesh and it works very well. The problem I have with the
> nurbssurface is that when I run my script Maya plant ...
> Is someone already had this problem?
>
> That's the code:
>
>
> ------------------------------------------------------------------------------------------------
>
> ------------------------------------------------------------------------------------------------
>
> shape = 'nurbsSphereShape1'
>
> dag_path = maya_api_utils.get_dag_path(shape)
> mfn_nurbs = OpenMaya.MFnNurbsSurface(dag_path )
>
> point = OpenMaya.MPoint(0.0, 3.116, 4.508)
> u = MScriptUtil().asDoublePtr()
> v = MScriptUtil().asDoublePtr()
>
> toto = mfn_nurbs.getParamAtPoint(point, u, v, False)
>
>
> ------------------------------------------------------------------------------------------------
>
> ------------------------------------------------------------------------------------------------
>
> --
> You received this message because you are subscribed to the Google Groups
> "Python Programming for Autodesk Maya" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to [email protected].
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/python_inside_maya/9e5948c9-9486-4ab7-b097-0324ac93cae7%40googlegroups.com
> <https://groups.google.com/d/msgid/python_inside_maya/9e5948c9-9486-4ab7-b097-0324ac93cae7%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
> For more options, visit https://groups.google.com/d/optout.
>

-- 
You received this message because you are subscribed to the Google Groups 
"Python Programming for Autodesk Maya" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To view this discussion on the web visit 
https://groups.google.com/d/msgid/python_inside_maya/CACdyi7oHVHMQJwG40kcxj-UBJ_hawfML5yPQVZGv8my-WpziSA%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to