Polyinfo

From DreamsteepWiki

"""
iterate through each mesh in a scene and extract some info about it 

"""

import sys, os

import maya.OpenMaya as OpenMaya
import maya.OpenMayaMPx as OpenMayaMPx

kPluginCmdName = "getmeshinfo"

# command
class scriptedCommand(OpenMayaMPx.MPxCommand):
	def __init__(self):
		OpenMayaMPx.MPxCommand.__init__(self)

	def doIt(self,argList):
	      meshIt = OpenMaya.MItDag( OpenMaya.MItDag.kBreadthFirst, OpenMaya.MFn.kMesh )
	      while not meshIt.isDone():
              	mesh = OpenMaya.MFnMesh( meshIt.currentItem() )
		print 'MESH NAME   '+mesh.name()
		print 'NUM VERTS   '+str(mesh.numVertices() )
		print 'NUM NORMALS '+str(mesh.numNormals() )
		print 'NUM UVS     '+str(mesh.numUVs() )
		print 'NUM POLYS   '+str(mesh.numPolygons() )
	        meshIt.next()

# Creator
def cmdCreator():
	return OpenMayaMPx.asMPxPtr( scriptedCommand() )
	
# Initialize the script plug-in
def initializePlugin(mobject):
	mplugin = OpenMayaMPx.MFnPlugin(mobject)
	try:
		mplugin.registerCommand( kPluginCmdName, cmdCreator )
	except:
		sys.stderr.write( "Failed to register command: %s\n" % kPluginCmdName )
		raise

# Uninitialize the script plug-in
def uninitializePlugin(mobject):
	mplugin = OpenMayaMPx.MFnPlugin(mobject)
	try:
		mplugin.deregisterCommand( kPluginCmdName )
	except:
		sys.stderr.write( "Failed to unregister command: %s\n" % kPluginCmdName )
		raise