Python cmds.polyListComponentConversion函数代码示例

def run():

    start = time.clock()

    selectedNodes = cmds.ls(sl = True, l = True)
    checkSelection(selectedNodes)

    srcPolygons = cmds.ls(cmds.polyListComponentConversion(selectedNodes[0], tf = True), l = True, fl = True)
    tgtPolygons = cmds.ls(cmds.polyListComponentConversion(selectedNodes[1], tf = True), l = True, fl = True)

    sourcePolygons = [Polygon(poly) for poly in srcPolygons]
    targetPolygons = [Polygon(poly) for poly in tgtPolygons]

    polygonsToDelete = []

    for sPoly in sourcePolygons:
        for tPoly in targetPolygons:
            if sPoly.isEqualToPolygon(tPoly):
                polygonsToDelete.append(tPoly.path)
                break

    if not len(polygonsToDelete):
        cmds.select(selectedNodes[1])
        raise Exception("There is no same polygons in these 2 objects.")
    else:
        cmds.delete(polygonsToDelete)
        cmds.select(selectedNodes[1])

    print("time consumed: " + str(time.clock() - start))

def unfoldBandUVs(object, divisions=1, history=True):
	"""
	This definition unfolds object band UVs.

	:param object: Object. ( String )
	:param divisions: Extrusion divisions. ( Integer )
	:param history: Keep construction history. ( Boolean )
	"""

	edgesCount = cmds.polyEvaluate(object, edge=True)
	edges = cmds.ls(object + ".e[0:" + str(edgesCount - 1) + "]", fl=True, l=True)

	cmds.select(object)
	cmds.polySelectConstraint(m=3, t=0x8000, w=1)
	cmds.polySelectConstraint(m=0)
	for i in range(divisions):
		mel.eval("GrowPolygonSelectionRegion();")
	bandEdges = cmds.ls(sl=True, fl=True, l=True)
	bandFaces = cmds.ls(cmds.polyListComponentConversion(bandEdges, fe=True, tf=True), fl=True)
	cmds.select(bandFaces)
	cmds.polyForceUV(unitize=True)
	cmds.polySelectConstraint(m=3, t=0x8000, sm=1)
	seamsEdges = cmds.ls(sl=True, fl=True, l=True)
	weldEdges = list(set(bandEdges).difference(set(seamsEdges)))
	cmds.polyMapSewMove(weldEdges)
	cmds.polyLayoutUV(bandFaces, scale=1, rotateForBestFit=0, layout=1)
	uvs = cmds.polyListComponentConversion(bandFaces, toUV=1)
	cmds.polyEditUV(uvs, u=1, v=0)

	not history and cmds.delete(object, ch=True)

def makePlanar(components):
	"""
	This definition planarizes the given Components.

	:param components: Components to planarizes. ( List )
	"""

	object = cmds.ls(components, o=True)
	if object:
		transform = getTransform(object)
		vertices = cmds.ls(cmds.polyListComponentConversion(components, toVertex=True), fl=True)

		barycenters = cmds.xform(vertices, q=True, t=True, ws=True)
		barycenter = getAverageVector([(barycenters[i], barycenters[i + 1], barycenters[i + 2]) for i in range(0, len(barycenters), 3)])

		normals = [float(normal) for data in cmds.polyInfo(cmds.polyListComponentConversion(components, toFace=True), faceNormals=True) for normal in data.split()[2:5]]
		normals = [(normals[i], normals[i + 1], normals[i + 2]) for i in range(0, len(normals), 3)]
		averageNormal = vectorMatrixMultiplication(normalize(getAverageVector(normals)), cmds.xform(transform, query=True, matrix=True, worldSpace=True))

		offset = -dot(averageNormal, barycenter)

		for vertex in vertices:
			position = cmds.xform(vertex, q=True, t=True, ws=True)
			distance = -(dot(averageNormal, position) + offset)
			cmds.xform(vertex, r=True, t=(averageNormal[0] * distance, averageNormal[1] * distance, averageNormal[2] * distance))

def polySelectTraverse(traversal=1):
    """
    Grow polyComponent selection

    :param traversal: 0 = Off.
                      1 = More : will add current selection border to current selection.
                      2 = Less : will remove current selection border from current selection.
                      3 = Border : will keep only current selection border.
                      4 = Contiguous Edges : Add edges aligned with the current edges selected
    :type traversal: int
    """
    #--- Vertex ---#
    result = mc.polyListComponentConversion(fv=True, tv=True)
    if result:
        mc.polySelectConstraint(pp=traversal, t=0x0001)
    else:
        #--- Edge ---#
        result = mc.polyListComponentConversion(fe=True, te=True)
        if result:
            mc.polySelectConstraint(pp=traversal, t=0x8000)
        else:
            #--- Face ---#
            result = mc.polyListComponentConversion(ff=True, tf=True)
            if result:
                mc.polySelectConstraint(pp=traversal, t=0x0008)
            else:
                #--- Uv ---#
                result = mc.polyListComponentConversion(fuv=True, tuv=True)
                if result:
                    mc.polySelectConstraint(pp=traversal, t=0x0010)

def	skinWeights(x=None, export=None, f=None, fileName=None):
# Import/export skin weights from/to a file
# x/export: 0 for import, 1 for export
# f/fileName: filename under default project directory

	x = x or export

	if not (f or fileName):
		raise Exception, "Missing argument: fileName"
		
	if fileName:
		f = fileName
	
	obj = cmds.ls(sl=1)
	if not obj:
		raise Exception, "No object selected"

	obj = obj[0]

	node = None
	for n in cmds.listHistory(obj, f=0, bf=1):
		if cmds.nodeType(n) == 'skinCluster':
			node = n
			break
	if not node:
		raise Exception, "no skin cluster found"

	mode = "r"
	if x:
		mode = "w"
	f = open(cmds.internalVar(uwd=1) + f, mode)

	allTransforms = cmds.skinPercent(node, cmds.ls(cmds.polyListComponentConversion(obj, tv=1), fl=1), q=1, t=None)

	for vertex in cmds.ls(cmds.polyListComponentConversion(obj,tv=1), fl=1):
		if x:
			transforms = cmds.skinPercent(node, vertex, ib=1e-010, q=1, t=None)
			weights = cmds.skinPercent(node, vertex, ib=1e-010, q=1, v=1)
			s = ""
			for i in range(len(transforms)):
				s += str(weights[i])+"@"+transforms[i]+" "
			f.write(s+"\n")
		else:
			weights = {}
			for t in allTransforms:
				weights[t] = float(0)

			readWeights = f.readline().strip().split(" ")

			for i in readWeights:
				w = i.split("@")
				if w[1] in weights:
					weights[w[1]] = float(w[0])

			w = []
			for i in weights.iteritems():
				w.append(i)
			cmds.skinPercent(node, vertex, tv=w)

	f.close()

def autoEyebrowGuidePosition(side = None, guideName = None):
    objectName = side + "_" + guideName
    sel = cmds.ls(os = 1, flatten = 1)
    
    pos = []
    cluster = []
    
#    check which type of component is selected and store the position
    for t in sel:
        i = t
        selType = t.split(".")[1][0]

        if selType == "e":
            vtx = cmds.polyListComponentConversion(i, fe = 1, tv = 1)
            cmds.select(vtx)
            cls = cmds.cluster()
            
            clsPos = cmds.xform(cls, query = 1, rotatePivot = 1, worldSpace = 1)
            pos.append(clsPos)
            cluster.append(cls)

        elif selType == "f":
            vtx = cmds.polyListComponentConversion(i, ff = 1, tv = 1)
            cmds.select(vtx)
            cls = cmds.cluster()
            
            clsPos = cmds.xform(cls, query = 1, rotatePivot = 1, worldSpace = 1)
            pos.append(clsPos)
            cluster.append(cls)

        elif selType == "v":
            cmds.warning("Select in another component mode! We are out of verts dude!!!")
            
        else:
            cmds.warning("No components selected dude!!!")
    
#    check if guide group exists     
    if cluster:
        if cmds.objExists(objectName + "_TRN"):
            cmds.delete(objectName + "_TRN")   
    
#        create the guides
        guides = defGuideCmds.defGuideCrv()
        guides.__init__(nSpans = len(cluster)-1, curveDegree = 1, offset =.2, offsetVector = [1,0,0], side = side, name = guideName, startPosition = [0,0,0], ctlSize = 10)
        cmds.delete("C_curve_TRN")
        
#        delete the cluster     
        for c in cluster:
            cmds.delete(c)
    
#        list all the guides inside the guideName group except the curve
        loc = cmds.listRelatives(objectName + "_TRN", allDescendents = 1, type = "transform")[:-1]
    
#        reposition the guides at the vertices place
        for i, p in zip(loc, pos):
            cmds.xform(i, translation = p, worldSpace = 1) 
        
#        mirror the guides
        cmds.select(loc)
        guides.createMirror()                

  def highlightPolys(self, trisOnly=False, ngonsOnly=False, quadsOnly=False):
    import math, sys, os
    import maya.cmds as cmds
    import maya.mel as mel  

    faceWarningList = [];
    triWarningList = [];
    ngonWarningList = [];
    quadWarningList = [];
    originalObject = cmds.ls(selection=True)
    ##Convert selection to faces
    selectedFaces = (cmds.polyListComponentConversion( (cmds.ls (sl=1, flatten=1)), tf=True))
    #print(selectedFaces)
    cmds.select (selectedFaces)

    #make list of selected faces
    selectedItems = (cmds.ls (flatten=True, selection=True))
    lengthOfList = len(selectedItems)
    #print ("***Number of items in list " + str(lengthOfList))
    #print(selectedItems)

    for i in xrange(len(selectedItems)):
        tempFace  = selectedItems[i]
        cmds.select (tempFace)
        #print(tempFace)
        originalSelection = cmds.ls (sl=1, flatten=1)
        #print(type(originalSelection))
        faceVertices = (cmds.polyListComponentConversion( originalSelection, tv=True) )
        cmds.select( faceVertices )
        faceVerticesFlat = cmds.ls(faceVertices, flatten = True)
        cmds.select( originalSelection )

        #print (faceVerticesFlat)
        #print (selectedVertices)
        noOfVertices = 0
        for j in xrange(len(faceVerticesFlat)):
            noOfVertices = 1 + noOfVertices
            #print(noOfVertices)

        if (noOfVertices != 4):
            faceWarningList.append(selectedItems[i])
            
        if (noOfVertices == 3):
            triWarningList.append(selectedItems[i])
        if (noOfVertices == 4):
            quadWarningList.append(selectedItems[i])
        if (noOfVertices > 4):
            ngonWarningList.append(selectedItems[i])
    
    #DisplayResult

    print("Number of Non-Quad Faces Found: " + str(len(faceWarningList)))
    try:
      self.ui.triFace.setValue(len(triWarningList))
      self.ui.ngonFace.setValue(len(ngonWarningList))
    except Exception, e:  ##This will happen if there is no UI
      print( e )
      print("Number of trianges: " + str( len(triWarningList) )    )
      print("Number of ngons: " + str( len(ngonWarningList) )    )
      print("Number of quads: " + str( len(quadWarningList) )    )

def expandVertexSelection(vtxSel,useFace=False):
	'''
	Expand the specified vertex selection list.
	@param vtxSel: Vertex selection list to expand.
	@type vtxSel: list
	@param useFace: Expand the selection using face connection instead of edge connection.
	@type useFace: bool
	'''
	# ==========
	# - Checks -
	# ==========
	
	# Check Vertex Selection
	vtxSel = mc.filterExpand(vtxSel,sm=31)
	if not vtxSel: raise Exception('Invalid vertex selection!')
	
	# ====================
	# - Expand Selection -
	# ====================
	
	conSel = []
	if useFace:
		# Convert To Faces
		conSel = mc.polyListComponentConversion(vtxSel,fv=True,tf=True,internal=False)
	else:
		# Convert To Faces
		conSel = mc.polyListComponentConversion(vtxSel,fv=True,te=True,internal=False)
	# Convert To Vertex
	newSel = mc.polyListComponentConversion(conSel,ff=True,fe=True,tv=True,internal=False)
	
	# =================
	# - Return Result -
	# =================
	
	return newSel

def flatten_marvelous_shells(shells):
    """
    Usage:
        flatten_marvelous_shells(mc.ls(sl=True))
    """
    for obj in shells:
        start_vert, end_vert = mc.ls(
            mc.polyListComponentConversion(cmds.ls(obj + ".e[0]")[0], fe=True, tv=True), fl=True
        )

        start_scale = distance.euclidean(
            mc.xform(start_vert, q=True, t=True, ws=True), mc.xform(end_vert, q=True, t=True, ws=True)
        )

        for uv in cmds.ls(obj + ".map[:]", fl=True):
            uv_pos = mc.polyEditUV(uv, q=True)
            uv_index = re.findall("\[([0-9]+)\]", uv)[0]
            vertex = mc.polyListComponentConversion(uv, fuv=True, tv=True)[0]
            mc.xform(vertex, t=[uv_pos[0]] + [0] + [uv_pos[1]], ws=True)

        # Finally, scale it
        end_scale = distance.euclidean(
            mc.xform(start_vert, q=True, t=True, ws=True), mc.xform(end_vert, q=True, t=True, ws=True)
        )
        scale_by = start_scale / end_scale

        mc.xform(mc.ls(obj + ".vtx[:]"), s=[scale_by, scale_by, scale_by], ws=True)

def getMeshVertexData( mesh ):
  returnData = []
  exportObject = 'bwExportObject'
  cmds.duplicate( mesh, n=exportObject )
  cmds.polyTriangulate(exportObject)
  numOfFaces = cmds.polyEvaluate(exportObject,  f=True )
  for i in xrange(0, numOfFaces):
    faceSelect = exportObject + '.f[' + str(i) + ']'
    fVertices = [] 
    fVertices = cmds.polyListComponentConversion(faceSelect, ff = True, tvf = True)
    fVertices = cmds.filterExpand(fVertices, sm = 70, ex = True)
    print fVertices
    for vertex in fVertices:
      faceDict = {}
      vName = cmds.polyListComponentConversion(vertex, fvf = True, tv = True)
      xyz = []
      xyz = cmds.xform(vName, q = True, os = True, t = True)
      faceDict['x'] = round(xyz[0], 2)
      faceDict['y'] = round(xyz[1], 2)
      faceDict['z'] = round(xyz[2], 2)
      normal = []
      normal = cmds.polyNormalPerVertex(vertex, q = True, xyz = True)
      faceDict['xN'] = round(normal[0], 2)
      faceDict['yN'] = round(normal[1], 2)
      faceDict['zN'] = round(normal[2], 2)
      # vuv = []
      # vuv = cmds.polyListComponentConversion(vertex, fvf = True, tuv = True)
      # uvCoords = []
      # uvCoords = cmds.polyEditUV(vuv[0], q = True, u = True, v = True)
      # faceDict['u'] = round(uvCoords[0], 2)
      # faceDict['v'] = round(uvCoords[0], 2)
      returnData.append(faceDict)
  cmds.delete(exportObject)
  return json.dumps(returnData)

	def shortestPath(self):
		
		"Returns a list of adjacent vertices defining the shortest path from vertA to vertB."

		vertA=str(self[0])
		vertB=str(self[1])
		
		del self[2:]# make sure there are only two vertices in the list
		
		vertPath=list([vertA])
		vert=str(vertA)
		distanceList=self.distanceList(vertB,vertA)
		sizeList=len(distanceList)
			
		for i in range(1,sizeList):
		
			tempList=distanceList[ sizeList-i-1 ]
			tempList=mc.ls( tempList, fl=True )
			vertices=mc.polyListComponentConversion( vert, te=True )
			vertices=mc.polyListComponentConversion( vertices, tv=True )
			vertices=mc.ls( vertices, fl=True )
			tempA=list([vert])
			vertices=removeAll(tempA,vertices)

			intersectorSet=Set(vertices)
			intersectorSet.intersection_update(tempList)
			vertTempArray=list(intersectorSet)
			
			vert=str(vertTempArray[0])
			vertPath.append( vert )
	
		vertPath.append( vertB )

		return	vertPath

	def getUVs(self):
		
		# Getting current uvset
		currUVSet = cmds.polyUVSet( self.name, q=True, currentUVSet=True )[0]
		
		for i, uvSet in enumerate(self.uvSets):
			self.uvs[uvSet] = []
			# Setting uvSet temp
			cmds.polyUVSet( self.name, currentUVSet=True, uvSet=uvSet )
			
			# Get uv maps
			uvMaps = cmds.polyListComponentConversion( self.name, ff=1, tuv=1 )
			# verts = PolyFace.findWindingOrder(self.name)
			
			# print(self.vtxFaceNames)
			# cmds.polyListComponentConversion('pPlane2.vtxFace[2][1]', tuv=1 )

			if( uvMaps ):
				# uvMaps = cmds.filterExpand( uvMaps, expand=True, sm=35 )	
				uvMaps = [cmds.polyListComponentConversion(vtxFace, tuv=1 ) for vtxFace in self.vtxFaceNames ]	

				# Check to make sure there are uv's on this face.				
				for uvMap in uvMaps:
					# Get my uvValues 
					uvCoords = cmds.polyEditUV( uvMap, q=True )
					self.uvs[uvSet].append(uvCoords)
			
		# Returning to orginal uvSet	
		cmds.polyUVSet( self.name, currentUVSet=True, uvSet=currUVSet)	

def select_inside_loop():
	# get selected face loop and one inner face, convert to edges
	get_sel = cmds.ls(os=1,fl=1)
	if _cmds().is_component(get_sel) == "face":
		mesh = cmds.ls(sl=1,fl=1,o=1)
		edge_from_face = cmds.ls(cmds.polyListComponentConversion(get_sel[:-1],te=1,bo=1),fl=1)
		
		# create temp uvset for uv projection
		current_uvset = cmds.polyUVSet(mesh,q=1,cuv=1)[0]
		for uvset in cmds.polyUVSet(mesh,q=1,auv=1):
			if uvset == "af_tmp_select_uvset":
				cmds.polyUVSet(mesh,delete=1,uvSet="af_tmp_select_uvset")
				cmds.polyUVSet(mesh,create=1,uvSet="af_tmp_select_uvset")
				cmds.polyUVSet(mesh,e=1,cuv=1,uvSet="af_tmp_select_uvset")
			else:
				cmds.polyUVSet(mesh,create=1,uvSet="af_tmp_select_uvset")
				cmds.polyUVSet(mesh,e=1,cuv=1,uvSet="af_tmp_select_uvset")
		
		cmds.polyProjection(mesh,ch=0,type="Planar",ibd=1,md="y")
		cmds.polyMapCut(edge_from_face,e=0)
		
		# get inner selection
		cmds.select(cmds.polyListComponentConversion(get_sel[-1],tuv=1),r=1)
		mm.eval("polySelectBorderShell 0;ConvertSelectionToFaces;")
		inner = cmds.ls(sl=1,fl=1)
		
		# cleanup
		cmds.polyUVSet(mesh,e=1,cuv=1,uvSet=current_uvset)
		cmds.polyUVSet(mesh,delete=1,uvSet="af_tmp_select_uvset")
		cmds.delete(mesh,ch=1)
		
		# select fill
		cmds.select((inner+get_sel[:-1]),r=1)

def shell_border_edges_to_hard():
    """
    Sets uv border edges on a mesh has hard, and everythign else as soft.
    """
    objList = cmds.ls(sl=True, o=True)
    finalBorder = []

    for subObj in objList:
        cmds.select(subObj, r=True)
        cmds.polyNormalPerVertex(ufn=True)
        cmds.polySoftEdge(subObj, a=180, ch=1)
        cmds.select(subObj + '.map[*]', r=True)

        polySelectBorderShell(borderOnly=True)

        uvBorder = cmds.polyListComponentConversion(te=True, internal=True)
        uvBorder = cmds.ls(uvBorder, fl=True)

        for curEdge in uvBorder:
            edgeUVs = cmds.polyListComponentConversion(curEdge, tuv=True)
            edgeUVs = cmds.ls(edgeUVs, fl=True)

            if len(edgeUVs) > 2:
                finalBorder.append(curEdge)

        cmds.polySoftEdge(finalBorder, a=0, ch=1)

    cmds.select(objList)

def findFacesInVolume(meshes, volume, contained=False):
    """
	returns a dict containing the  of faces within a given volume.  if contained is True, then only faces wholly contained
	by the volume are returned
	"""
    meshVertsWithin = findVertsInVolume(meshes, volume)
    meshFacesWithin = {}
    for mesh, verts in meshVertsWithin.iteritems():
        if not verts:
            continue
        meshFacesWithin[mesh] = []
        vertNames = ["%s.vtx[%d]" % (mesh, v.id) for v in verts]

        if contained:
            faces = set(cmd.ls(cmd.polyListComponentConversion(vertNames, toFace=True), fl=True))
            [
                faces.remove(f)
                for f in cmd.ls(cmd.polyListComponentConversion(vertNames, toFace=True, border=True), fl=True)
            ]
            meshFacesWithin[mesh] = [f.split(".")[1] for f in faces]
        else:
            faces = cmd.ls(cmd.polyListComponentConversion(vertNames, toFace=True), fl=True)
            meshFacesWithin[mesh] = [f.split(".")[1] for f in faces]

    return meshFacesWithin