(转)单击一个物体，然后选择与它相同材质的所有物体。

单击一个物体，然后选择与它相同材质的所有物体。
 1 #-------------------------------
 2 # Select Objects By Material(s)   
 3 #-------------------------------
 4 # nerdocs - Just nerdy stuff that no one really cares about
 5 # https://paololazatin.com.com
 6 # created: 2015-02-19
 7 # last updated: 2016-03-18 - //output info to the bottom command line
 8  
 9 import maya.cmds as mC
10 import maya.OpenMaya as oM
11  
12 messageOutput = "

[nerdocs]: "
13 objectsSelected = mC.ls(dag = True, o = True, s = True, sl = True)
14  
15 if objectsSelected == []:
16     messageOutput +=  "No Objects Selected."
17     oM.MGlobal.displayError(messageOutput)
18 else:
19     shadingGroups = mC.listConnections(objectsSelected,type='shadingEngine')
20     selectionMaterial = mC.ls(mC.listConnections(shadingGroups),materials = True) 
21  
22     materialCount = 0
23     previousMaterial = " "
24     mC.select(clear = True)
25     selected = mC.ls(sl = True)
26  
27     for object in selectionMaterial:
28         if (previousMaterial != object):
29             materialCount += 1
30             previousMaterial = object
31             mC.hyperShade(objects = object)
32             selected += mC.ls(sl = True)
33             mC.select(selected)
34         
35     messageOutput += str(len(selected)) + " object(s) selected based on the material of " + str(materialCount) + " selection(s)."
36     oM.MGlobal.displayInfo(messageOutput)