Awesome, works like a charm! Thanks for the explanations Chis and Chad. On Fri, Dec 17, 2010 at 1:29 PM, Christopher Crouzet < [email protected]> wrote:
> Actually, if you know that your MObject is of type kDagNode (you can check > that with the MObject::hasFn() method), then you can use > MDagPath::getAPathTo() to retrieves the MDagPath object directly from your > MObject. > > > Cheers, > Christopher. > > > > On 18 December 2010 07:08, Chad Vernon <[email protected]> wrote: > >> Dag paths have knowledge of their MObject but not the other way around. >> For example, a skin cluster MObject has no dag path so it doesn't make sense >> that you should be able to get a MDagPath back from the MObject. To get the >> path, you'll need to use MFnDagNode.getPath() >> >> Chad >> >> >> On Fri, Dec 17, 2010 at 11:30 AM, John Patrick <[email protected]>wrote: >> >>> Hey guys, >>> >>> I'm getting some errors trying to go back and forth between MObject and >>> MDagPath objects - I feel like there's something I'm not understanding about >>> the way the Python API works. >>> >>> I've pulled this out of context, but here's the idea: >>> >>> import maya.cmds as MC >>> import maya.OpenMaya as OM >>> MC.sphere(name='mySphere') >>> >>> sl = OM.MSelectionList() >>> sl.add('mySphere') >>> dagPath = OM.MDagPath() >>> sl.getDagPath(0, dagPath) >>> >>> >>> sl = OM.MSelectionList() >>> node = dagPath.node() >>> node.hasFn(OM.MFn.kDagNode) >>> print "Is the node null? %s" % node.isNull() >>> print "The type is %s" % node.apiTypeStr() >>> sl.add(node) >>> newDagPath = OM.MDagPath() >>> sl.getDagPath(0, newDagPath) >>> >>> From this I get: >>> # Error: (kFailure): NULL object returned >>> >>> I'm confused :( Any ideas? Thanks!! >>> >>> -- >>> John Patrick >>> 404-242-2675 >>> [email protected] >>> http://www.canyourigit.com >>> >>> -- >>> http://groups.google.com/group/python_inside_maya >>> >> >> -- >> http://groups.google.com/group/python_inside_maya >> > > -- > http://groups.google.com/group/python_inside_maya > -- John Patrick 404-242-2675 [email protected] http://www.canyourigit.com -- http://groups.google.com/group/python_inside_maya
