Hey Eric,
Hows it going?
It really depends on what you need. Using OpenMaya (or python for that
matter) doesnt necessarily make things faster in maya. It really depends on
whether youre trying to make a plugin or youre executing a command. Using
OpenMaya with with python uses a wrapper (SWIG) anyway, but there is a new
python API 2.0, but Im not sure how much faster it is but its better in
with the implementation of python's syntax.
If youre trying to get the shape node after creating a transform, then I
would do....
import maya.cmds as cmds
myLoc= cmds.spaceLocator('')[0]
myLocShape= cmds.listRelatives(myLoc, s=1)[0]
But if youre creating a plugin or your own custom locator with a shape(that
does something) then you have to use
import maya.OpenMayaMPx as OpenMayaMPx
class myClass(OpenMayaMPx.MPxLocatorNode):
def __init__(OpenMayaMPx.MPxLocatorNode.__init__, self):
And etc..............
Write that plugin so it returns a shape node and then execute your command
that created the plugin and node... And away you go, but I reckon thats not
what you want to achieve.
-Jeremy
On Thursday, 19 December 2013 05:34:33 UTC+11, Eric Thivierge wrote:
>
> Hey all,
>
> Been lurking here for a long time but just now picking up some Maya
> programming for some rigging tools here at work. I've been a long time
> Softimage user and am used to the OM they have there so it's a bit of an
> uphill battle trying to make heads or tails of some of the stuff in
> OpenMaya.
>
> Is this the simplest way to get to the shape node after it's created from
> the transform node?
>
> # Sample Python
> import maya.OpenMaya as om
>
> dagModifier = om.MDagModifier()
>
> locator = dagModifier.createNode('transform')
> dagModifier.renameNode(locator, "myLocator")
> dagModifier.createNode('locator', locator) # create locator shape under
> transform
> dagModifier.doIt()
>
> locatorDagPath = om.MDagPath()
> locatorDag = om.MFnDagNode(locator)
> locatorDag.getPath(locatorDagPath)
> locatorDagPath.extendToShape()
>
> shapeDag = om.MFnDagNode()
> shapeDag.setObject(locatorDagPath.node())
> shapeNode = om.MObject()
> shapeNode = locatorDagPath.node()
>
> dagModifier.renameNode(shapeNode, "myLocatorShape")
> dagModifier.doIt()
>
> --------------------------------------------
> Eric Thivierge
> http://www.ethivierge.com
>
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