Oops... correction below:
On Wed, Apr 20, 2011 at 7:28 AM, Paul Molodowitch <elron...@gmail.com>wrote:
> Hi Subbu -
> Unfortunately, the PyNode classes (such as pm.nt.ParentConstraint) do not
> contain all of the functionality of the corresponding commands (ie,
> pm.parentConstraint or cmds.parentConstraint). In particular, the initial
> creation of the underlying MAYA node must often be done with the command
> form. In fact, the only way it is currently possible to trigger the
> creation of the underlying maya node AND the pynode with the pynode
> constructor is when the PyNode constructor is fed no non-keyword args (such
> as when you do nt.ParentConstraint(mo=1, w=1) ). If you need to create
> the underlying node in manner in which you feed in other node args, you'll
> have to fall back on the command:
>
> import pymel.core as pm
> cube1 = pm.polyCube()[0]
> cube2 = pm.polyCube()[0]
> pCon = pm.parentConstraint(cube1, cube2, mo=1, w=1)
>
> In general, my habit is often to use the commands to create, and the PyNode
> class constructors to create PyNodes for already-existing maya nodes. I
> agree, though, that it would be nice to expand support for node creation in
>
PyNode class constructors to be able to handle these situations as well.
> - Paul
>
> PS - Did you know it's also possible to do the selection of multiple
> objects in a single step? ie,
> select ('pCube1', 'pCube2')
>
> On Wed, Apr 20, 2011 at 2:12 AM, Subbu <subbu....@gmail.com> wrote:
>
>> Hi,
>>
>> When am trying in Python, Its working as below:
>> import maya.cmds as cmds
>> pCon =cmds.parentConstraint('pCube1', 'pCube2', mo=1, w=1)
>>
>>
>> but in PyMel, Both the following are not working
>>
>> import pymel.core.nodetypes as nt
>> pCon =nt.ParentConstraint('pCube1', 'pCube2', mo=1, w=1)
>> or
>> pCon =nt.ParentConstraint( PyNode('pCube1'), PyNode('pCube2'), mo=1,
>> w=1)
>>
>> "Error: Unable to determine pymel type for 'pCube1' " is coming
>>
>>
>> In single line it is not possible in PyMel, But its working in 3 lines
>> like this:
>> import pymel.core.nodetypes as nt
>> select ('pCube1', r=1)
>> select ('pCube2', add=1)
>> pCon =nt.ParentConstraint(mo=1, w=1)
>>
>> Any one has any idea, so that I can save 2 lines code in this case,
>> Constraints are repetitive in my code
>>
>> Thanks in advance.
>>
>> Subbu
>>
>> --
>> http://groups.google.com/group/python_inside_maya
>>
>
>
--
http://groups.google.com/group/python_inside_maya
