Openmaya API example

openmaya Api example

import maya.OpenMaya as om;
class MyClass(object):

    def __init__(self):
       #instantiating selection list  function set
        selectionList=om.MSelectionList();
        #get currect selected object and put it into the selectionlist
        om.MGlobal.getActiveSelectionList(selectionList);
        self.getObject(selectionList);
      
    def getObject(self,mylist):
        #instantiating selection list iterator  function set
        iterator =om.MItSelectionList(mylist)
        #object to store a dagpath
        dagPath = om.MDagPath();
        #object to store selected mesh
        myObject = om.MObject();
       #fucntion set to work with meshes
        nodeFn=om.MFnDagNode();
        #iterating through the selected meshes
        while not iterator.isDone():
            iterator.getDagPath(dagPath,myObject)
            nodeFn.setObject(dagPath);
            print "my object : "+ nodeFn.name();
            print "my path : " + dagPath.fullPathName();
            iterator.next();
        mytype = myObject.apiTypeStr();
        print"my type is : "+ mytype;
        #vertex iterator
        vertIterator = om.MItMeshVertex(dagPath,myObject)
        mySpace =om.MSpace.kWorld;
        #vector to store position of vertex
        vec =om.MFloatVector();
        #Point functionset that takes vector as an argument
        vertPos = om.MPoint(vec);
        while not vertIterator.isDone():
            vertPos=vertIterator.position(mySpace)
            print(vertPos.x);
            myIndex=vertIterator.index();
            print "vert index is "+ str(myIndex);
            vertIterator.next();

omexample= MyClass();