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Get all UV shells from mesh object
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import maya.OpenMaya as om | |
import maya.cmds as cmds | |
def getUvShelList(name): | |
selList = om.MSelectionList() | |
selList.add(name) | |
selListIter = om.MItSelectionList(selList, om.MFn.kMesh) | |
pathToShape = om.MDagPath() | |
selListIter.getDagPath(pathToShape) | |
meshNode = pathToShape.fullPathName() | |
uvSets = cmds.polyUVSet(meshNode, query=True, allUVSets =True) | |
allSets = [] | |
for uvset in uvSets: | |
shapeFn = om.MFnMesh(pathToShape) | |
shells = om.MScriptUtil() | |
shells.createFromInt(0) | |
# shellsPtr = shells.asUintPtr() | |
nbUvShells = shells.asUintPtr() | |
uArray = om.MFloatArray() #array for U coords | |
vArray = om.MFloatArray() #array for V coords | |
uvShellIds = om.MIntArray() #The container for the uv shell Ids | |
shapeFn.getUVs(uArray, vArray) | |
shapeFn.getUvShellsIds(uvShellIds, nbUvShells, uvset) | |
# shellCount = shells.getUint(shellsPtr) | |
shells = {} | |
for i, n in enumerate(uvShellIds): | |
if n in shells: | |
shells[n].append([uArray[i],vArray[i]]) | |
else: | |
shells[n] = [[uArray[i],vArray[i]]] | |
allSets.append({uvset: shells}) | |
return allSets |
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import maya.OpenMaya as om | |
import maya.cmds as cmds | |
def getUvShelList(name): | |
selList = om.MSelectionList() | |
selList.add(name) | |
selListIter = om.MItSelectionList(selList, om.MFn.kMesh) | |
pathToShape = om.MDagPath() | |
selListIter.getDagPath(pathToShape) | |
meshNode = pathToShape.fullPathName() | |
uvSets = cmds.polyUVSet(meshNode, query=True, allUVSets =True) | |
allSets = [] | |
for uvset in uvSets: | |
shapeFn = om.MFnMesh(pathToShape) | |
shells = om.MScriptUtil() | |
shells.createFromInt(0) | |
# shellsPtr = shells.asUintPtr() | |
nbUvShells = shells.asUintPtr() | |
uArray = om.MFloatArray() #array for U coords | |
vArray = om.MFloatArray() #array for V coords | |
uvShellIds = om.MIntArray() #The container for the uv shell Ids | |
shapeFn.getUVs(uArray, vArray) | |
shapeFn.getUvShellsIds(uvShellIds, nbUvShells, uvset) | |
# shellCount = shells.getUint(shellsPtr) | |
shells = {} | |
for i, n in enumerate(uvShellIds): | |
if n in shells: | |
# shells[n].append([uArray[i],vArray[i]]) | |
shells[n].append( '%s.map[%i]' % ( name, i ) ) | |
else: | |
# shells[n] = [[uArray[i],vArray[i]]] | |
shells[n] = [ '%s.map[%i]' % ( name, i ) ] | |
allSets.append({uvset: shells}) | |
return allSets | |
getUvShelList( 'pCone1' ) |
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