软选择建簇

import maya.OpenMaya as OpenMaya
def softSelection():
    #Grab the soft selection
    selection = OpenMaya.MSelectionList()
    softSelection = OpenMaya.MRichSelection()
    OpenMaya.MGlobal.getRichSelection(softSelection)
    softSelection.getSelection(selection)
    
    dagPath = OpenMaya.MDagPath()
    component = OpenMaya.MObject()
    
    # Filter Defeats the purpose of the else statement
    iter = OpenMaya.MItSelectionList( selection,OpenMaya.MFn.kMeshVertComponent )
    elements, weights = [], []
    while not iter.isDone(): 
        iter.getDagPath( dagPath, component )
        dagPath.pop() #Grab the parent of the shape node
        node = dagPath.fullPathName()
        fnComp = OpenMaya.MFnSingleIndexedComponent(component)   
        getWeight = lambda i: fnComp.weight(i).influence() if fnComp.hasWeights() else 1.0
        
        for i in range(fnComp.elementCount()):
            elements.append('%s.vtx[%i]' % (node, fnComp.element(i)))
            weights.append(getWeight(i)) 
        iter.next()
        
    return elements, weights
elements,weights = softSelection()