Python cmds.listRelatives函数代码示例

def copyCrvShape():
    sel = mc.ls(sl = True)
    if len(sel)>1:
        crvShape = mc.listRelatives(sel[0] , s = True)
        crvDegree = mc.getAttr(crvShape[0]+'.degree')
        crvSpans = mc.getAttr(crvShape[0]+'.spans')
        crvCvs = crvDegree + crvSpans
        for j in range(0,crvCvs+1):
            pos = mc.xform(sel[0] + '.cv[ '+str(j)+ ']' , q = True , os = True , t = True )
            for i in range(0,len(sel)):
                if i == 0:
                    continue
                else :
                    mc.xform(sel[i] + '.cv[ '+str(j)+ ']' , os = True , t = pos )
    else :
        searchQuery = mc.textField('searchUI' ,q = True ,tx = True)
        raplaceQuery = mc.textField('replaceUI' ,q = True ,tx = True)
        newCrv = sel[0].replace(searchQuery,raplaceQuery)
        crvShape = mc.listRelatives(sel[0] , s = True)
        crvDegree = mc.getAttr(crvShape[0]+'.degree')
        crvSpans = mc.getAttr(crvShape[0]+'.spans')
        crvCvs = crvDegree + crvSpans
        for j in range(0,crvCvs+1):
            pos = mc.xform(sel[0] + '.cv[ '+str(j)+ ']' , q = True , ws = True , t = True )
            mc.xform(newCrv + '.cv[ '+str(j)+ ']' , ws = True , t = (-pos[0],pos[1],pos[2]) )

def listIntermediates(geo):
	'''
	Return a list of intermediate shapes under a transform parent
	@param geo: Transform to list intermediate shapes for
	@type geo: str
	'''
	# Checks
	if not mc.objExists(geo):
		raise Exception('Object "'+geo+'" does not exist!!')
	if isShape(geo):
		geo = mc.listRelatives(geo,p=True,pa=True)[0]
	
	# Get Non Intermediate Shapes
	shapes = mc.listRelatives(geo,s=True,ni=True,pa=True)
	
	# Get All Shapes
	allShapes = mc.listRelatives(geo,s=True,pa=True)
	
	# Get Intermediate Shapes
	if not allShapes: return []
	if not shapes: return allShapes
	intShapes = list(set(allShapes) - set(shapes))
	
	# Return Result
	return intShapes

def getShapes(geo,nonIntermediates=True,intermediates=True):
	'''
	Return a list of shapes under a transform parent
	@param geo: Transform to list shapes for
	@type geo: str
	@param nonIntermediates: List non intermediate shapes
	@type nonIntermediates: bool
	@param intermediates: List intermediate shapes
	@type intermediates: bool
	'''
	# Checks
	if not mc.objExists(geo):
		raise Exception('Object "'+geo+'" does not exist!!')
	if isShape(geo):
		geo = mc.listRelatives(geo,p=True,pa=True)[0]
	
	# Get Shapes
	shapes = []
	if nonIntermediates:
		nonIntShapes = mc.listRelatives(geo,s=True,ni=True,pa=True)
		if nonIntShapes: shapes.extend(nonIntShapes)
	if intermediates:
		shapes.extend(listIntermediates(geo))
	
	# Return Result
	return shapes

def getNodesOverload(poseObj, nodes, *args):

    # NOTE: poseObj already has an attr 'metaRig' which is filled
    # automatically in the main buildInternalPoseData() call
    metaNode = poseObj.metaRig
    currentSelection = cmds.ls(sl=True, l=True)
    filteredNodes = []

    if not issubclass(type(metaNode), r9Meta.MetaHIKControlSetNode):
        # see if we have a left or right controller selected and switch to the
        # appropriate subMetaSystem

        if cmds.getAttr('%s.mirrorSide' % currentSelection[0]) == 1:
            print '\nFinger : PoseOverload Handler : %s >> side: Left' % metaNode
            filteredNodes = metaNode.L_ArmSystem.L_FingerSystem.getChildren()
            [filteredNodes.append(node) for node in cmds.listRelatives(filteredNodes, type='joint', ad=True, f=True)]

        elif cmds.getAttr('%s.mirrorSide' % currentSelection[0]) == 2:
            print '\nFinger : PoseOverload Handler : %s >> side: Right' % metaNode
            filteredNodes = metaNode.R_ArmSystem.R_FingerSystem.getChildren()
            [filteredNodes.append(node) for node in cmds.listRelatives(filteredNodes, type='joint', ad=True, f=True)]
    else:
        if currentSelection[0] == metaNode.LeftWristEffector or currentSelection[0] == metaNode.LeftHand:
            [filteredNodes.append(node) for node in cmds.listRelatives(metaNode.LeftHand, type='joint', ad=True, f=True)]
        elif currentSelection[0] == metaNode.RightWristEffector or currentSelection[0] == metaNode.RightHand:
            [filteredNodes.append(node) for node in cmds.listRelatives(metaNode.RightHand, type='joint', ad=True, f=True)]

    # modify the actual PoseData object, changing the data to be matched on index
    # rather than using the standard name or metaMap matching
    poseObj.metaPose = False
    poseObj.matchMethod = 'index'

    return filteredNodes

def select_node_by_type(nodeType):
    sel = cmds.ls(sl=True, l=True)
    sel_ad = cmds.listRelatives(sel, ad=True, f=True) + sel
    cmds.select(cl=True)
    for node in sel_ad:
        if cmds.nodeType(node) == nodeType:
            cmds.select((cmds.listRelatives(node, p=True)), add=True)

def write_hierarchy(guide):
    """
    Simple hierarchy data structure

    :param      position:       Guide node
    :type       position:       Guide, str
    :returns:   Guide

    **Example**:

    >>> write_hierarchy("C_spine_0_gde")
    """
    try:
        guide = guide.joint
    except Exception:
        guide = str(guide)

        if not cmds.objExists(guide):
            raise NameError("'%s' is not a guide." % guide)

    data = {}
    all_guides = cmds.listRelatives(guide, allDescendents=True, type="joint") or []
    all_guides.insert(0, guide)
    for guide in all_guides:
        children = [Guide.validate(c) for c in cmds.listRelatives(guide, children=True, type="joint") or []]
        guide = Guide.validate(guide)

        data[guide] = children
    return data

 def performTranferV1(self):
     getMesh=cmds.ls(sl=1)
     if len(getMesh)<2:
         print "select a skinned mesh group and an unskinned target mesh group"
         return
     else:
         pass
     getMeshController=getMesh[0]
     getMeshTarget=getMesh[1]
     getChildrenController=cmds.listRelatives(getMeshController, c=1, typ="transform")
     if getChildrenController==None:
         getChildrenController=([getMeshController])
     getChildrenTarget=cmds.listRelatives(getMeshTarget, c=1, typ="transform")
     if getChildrenTarget==None:
         getChildrenTarget=([getMeshTarget])
     result = cmds.promptDialog( 
                 title='find XML', 
                 message="Enter path", 
                 text="C:\Users\\"+str(getFolderName)+"\Documents\maya\projects\default\scenes\\", 
                 button=['Continue','Cancel'],
                 defaultButton='Continue', 
                 cancelButton='Cancel', 
                 dismissString='Cancel' )
     if result == 'Continue':
         skinPath=cmds.promptDialog(q=1)
         if skinPath:
             pass
         else:
             print "nothing collected"
     self.callJointsWin(getChildrenController, getChildrenTarget, skinPath)

    def _findRelativesByType(self, embeddedRoot, resList=['lo', 'md', 'hi', 'apos'], byType='shape', resExcludeList=[]):
        shapes = None

        searchResList = list(set(resList) - set(resExcludeList))
        #print 'searchResList: %s'%searchResList
        if embeddedRoot != 'master':
            shapes = []
            for res in searchResList:
                if cmds.objExists('%s|%s'%(embeddedRoot, res)):
                    resShapes = cmds.listRelatives('%s|%s'%(embeddedRoot, res), ad=True, type=byType, f=True)
                    if resShapes:
                        shapes.extend(resShapes)
            if not shapes:
                shapes = None
        else:
            embeddedCodes = self._findEmbeddedAssets()
            index = embeddedCodes.index('master')
            embeddedCodes.pop(index)

            if cmds.objExists('|master'):
                children = cmds.listRelatives('|master')
                if children:
                    shapes = []
                    for child in children:
                        if child not in embeddedCodes:
                            if child in searchResList:
                                #print 'child:%s' % child
                                if cmds.objExists('|master|%s'%child):
                                    childShapes = cmds.listRelatives('|master|%s'%child, ad=True, type=byType, f=True)
                                    if childShapes:
                                        shapes.extend(childShapes)
        if not shapes:
            shapes = None

        return shapes

def BindSkeletons(source, dest, method='connect'):
    '''
    From 2 given root joints search through each hierarchy for child joints, match
    them based on node name, then connect their trans/rots directly, or 
    parentConstrain them. Again cmds for speed
    '''
    sourceJoints = cmds.listRelatives(source, ad=True, f=True, type='joint')
    destJoints = cmds.listRelatives(dest, ad=True, f=True, type='joint')
 
    if cmds.nodeType(source) == 'joint':
        sourceJoints.append(source)
    if cmds.nodeType(dest) == 'joint':
        destJoints.append(dest)
        
    attrs = ['rotateX', 'rotateY', 'rotateZ', 'translateX', 'translateY', 'translateZ']   
     
    for sJnt, dJnt in MatchGivenHierarchys(sourceJoints, destJoints):
        if method == 'connect':
            for attr in attrs:
                try:
                    cmds.connectAttr('%s.%s' % (sJnt, attr), '%s.%s' % (dJnt, attr), f=True)
                except:
                    pass
        elif method == 'constrain':
            try:
                cmds.parentConstraint(sJnt, dJnt, mo=True)    
            except:
                pass

def extractFaces( faceList, delete=False ):
	'''
	extracts the given faces into a separate object - unlike the maya function, this is actually
	useful...  the given faces are extracted to a separate object, and can be optionally deleted from
	the original mesh if desired, or just duplicated out.
	'''
	newMeshes = []

	#get a list of meshes present in the facelist
	cDict = componentListToDict( faceList )
	for mesh, faces in cDict.iteritems():
		#is the mesh a shape or a transform - if its a shape, get its transform
		if cmd.nodeType( mesh ) == 'mesh':
			mesh = cmd.listRelatives( mesh, pa=True, p=True )[ 0 ]

		dupeMesh = cmd.duplicate( mesh, renameChildren=True )[ 0 ]
		children = cmd.listRelatives( dupeMesh, pa=True, typ='transform' )
		if children: cmd.delete( children )

		#now delete all faces except those we want to keep
		cmd.select( [ '%s.f[%d]' % (dupeMesh, idx) for idx in range( numFaces( dupeMesh ) ) ] )
		cmd.select( [ '%s.f[%d]' % (dupeMesh, idx) for idx in faces ], deselect=True )
		cmd.delete()

		newMeshes.append( dupeMesh )

	if delete:
		cmd.delete( faceList )

	return newMeshes

    def getCamera(self):
        _selection = cmds.ls(selection=True)

        # check selection length
        if len(_selection) == 0:

            # check panel for camera if selection is empty
            _panel = cmds.getPanel(withFocus=True)
            _typeOfPanel = mm.eval("getPanel -typeOf " + _panel)

            # check if modelpanel with camera is active
            if _typeOfPanel == "modelPanel":

                # get camera from modelpanel
                _cameraname = cmds.modelPanel(_panel, query=True, camera=True)
                _camerashape = cmds.listRelatives(_cameraname, shapes=True)[0]
            else:
                # no selection, no modelpanel active
                _cameraname = "Nul"
                _camerashape = "Nul"

        else:
            # selection is not emtpy
            _cameraname = _selection[0]
            _camerashape = cmds.listRelatives(_cameraname, shapes=True)[0]

            # check if selected shape is camera
            if cmds.nodeType(_camerashape) != "camera":
                # selection is not camera
                _cameraname = "Nul"
                _camerashape = "Nul"

        self.name = _cameraname
        self.shape = _camerashape

def transferUvHierarchy( fromTopGroup, toTopGroup):
    fromChildren = cmds.listRelatives( fromTopGroup, ad=True, type='mesh', fullPath=True)[1:]
    toChildren = cmds.listRelatives( toTopGroup, ad=True, type='mesh', fullPath=True)[1:]
    
    print fromChildren
    tmp = copy.copy(fromChildren)
    for fChild in tmp:
        split = fChild.split("|")[1:]
        #print split
        split[0] = toTopGroup
        tChild = "|" + "|".join( split)
        print fChild, tChild
        if tChild in toChildren:
            
            fromChildren.remove( fChild)
            toChildren.remove( tChild)
            cmds.select( fChild, r=True)
            tShapes = getShapes(tChild)
            print 'transfered \n%s \n | \n%s' % (fChild, tChild)
            tChildShapeOrig = tShapes[0]+'Orig'
            
            if (cmds.objectType(fChild) == 'transform' and cmds.objectType(tChild) == 'transform' and cmds.objectType(tChildShapeOrig) == 'mesh'):
                cmds.select( tChildShapeOrig, add=True)
                cmds.transferAttributes( transferPositions=0, transferNormals=0, transferUVs=2, transferColors=0, sampleSpace=4, sourceUvSpace="map1", targetUvSpace="map1", searchMethod=3, flipUVs=0, colorBorders=1)
    print toChildren
    print fromChildren

    def setImageRes(self):
        """ Sets image width to resolution """
        skyDomeLgtList = self.getSkyDomeLgtList()
        areaLgtList = self.getAreaLgtList()
        print ''
        print '-------------------------------------------------'
        for lgt in skyDomeLgtList:
            lgtName = mc.listRelatives(lgt,p=True)
            img = self.imgPath(lgt)
            if img == 'None':
                print '# '+ lgtName[0] + '  ===> no file image attached'
            else:
                xres = self.imgInfo(str(img))
                mc.setAttr(lgt+'.resolution',int(xres))
                print '# ' + lgtName[0] + ' ===> set resolution to [ ' + str(xres) + ' ]'
        for lgt in areaLgtList:
            lgtName = mc.listRelatives(lgt,p=True)
            img = self.imgPath(lgt)
            if img == 'None':
                print '# '+ lgtName[0] + '  ===> no file image attached'
            else:
                xres = self.imgInfo(str(img))
                mc.setAttr(lgt+'.aiResolution',int(xres))
                print '# ' + lgtName[0] + ' ===> set resolution to [ ' + str(xres) + ' ]'        

        print '-------------------------------------------------'
        print ''

def altFrame(*args):
    # cmds.nodeType(sel), object type
    # optimize, real slow
    pnl = cmds.getPanel(withFocus=True)
    typ = cmds.getPanel(typeOf=pnl)
    if typ == 'modelPanel':
        sel = cmds.ls(sl=True, fl=True)
        gs = ac.GraphSelection()
        locs = []
        if sel:
            for item in sel:
                if cmds.objectType(item, i='transform') or cmds.objectType(item, i='joint'):
                    loc = cn.locator(obj=item, ro='zxy', X=0.35, constrain=False, shape=False)[0]
                    locs.append(loc)
                else:
                    try:
                        print cmds.listRelatives(item, parent=True)[0], '_______________'
                        loc = cn.locator(obj=cmds.listRelatives(item, parent=True)[0], ro='zxy', X=0.35, constrain=False, shape=False)
                        print loc, '_____________________'
                        loc = loc[0]
                        locs.append(loc)
                    except:
                        message('didnt frame object: ' + item)
            cmds.select(locs)
            mel.eval("fitPanel -selected;")
            cmds.delete(locs)
            gs.reselect()
        else:
            message('select an object')
    else:
        mel.eval("fitPanel -selected;")

def multObjShapeUpdate():
    sel_objs = cmds.ls(sl=True,fl=True)
    if len(sel_objs)>0:
        files_to_import = cmds.fileDialog2(fileFilter =  '*.obj', dialogStyle = 2, caption = 'import multiple object files', fileMode = 4,okc="Import")
        if len(files_to_import) == len(sel_objs):
            object_names = [file_to_import.split('/')[-1].split('.obj')[0] for file_to_import in files_to_import]
            if len(sel_objs) == len([x for x in object_names if x in sel_objs]):
                for file_to_import in files_to_import:
                    object_name  = file_to_import.split('/')[-1].split('.obj')[0]
                    returnedNodes = cmds.file('%s' % file_to_import, i = True, type = "OBJ", rnn=True, ignoreVersion = True, options = "mo=0",  loadReferenceDepth  = "all"  )
                    cmds.delete(cmds.ls(returnedNodes,type="objectSet"))
                    geo = cmds.listRelatives(cmds.ls(returnedNodes,g=1)[0],p=1)
                    cmds.rename( geo, "newShape_{0}".format(object_name))
                new_shapes = [s for s in cmds.listRelatives(cmds.ls(g=1),p=1) if "newShape_" in s]
                cur_shapes = sel_objs
                for new in new_shapes:
                    for cur in cur_shapes:
                        if new.split("newShape_")[1] == cur:
                            blendshapeNd = cmds.blendShape(new,cur)[0]
                            cmds.setAttr("{0}.{1}".format(blendshapeNd,new),1)
                cmds.delete(cur_shapes,ch=True)
                cmds.delete(new_shapes)
                cmds.confirmDialog(m="---===All Shapes Updated!===---")
            else:
                cmds.confirmDialog(m="--==Not Matching The Name!==--")
        else:
            cmds.confirmDialog(m="--==Please Select The Same Number Of Objects!==--")
    else:
        cmds.confirmDialog(m="--==Please Select Something!==--")