traverse visible

traverse_vis.py

from smmaya.core.api import as_api_dagpath
import maya.OpenMaya as om
import maya.OpenMayaUI as omu

def get_visible(camera, width=800, height=600):
    if not isinstance(camera, om.MDagPath):
        camera = as_api_dagpath(camera)
    trav = omu.MDrawTraversal()
    trav.setFrustum(camera, width, height)
    trav.traverse()
    nitems = trav.numberOfItems()
    result = []
    dagpath = om.MDagPath()
    for i in xrange(nitems):
        trav.itemPath(i, dagpath)
        result.append(dagpath.fullPathName())
    return result

get_visible('perspShape')