Lucy example

Viewing Stanford 3D Scanning Repository lucy model

Python source code: lucy.py

# Copyright (c) Enthought, Inc.
# Standard library imports
import os
from os.path import join

# Enthought library imports
from mayavi import mlab

# Path to the lucy ply file
lucy_ply_file = join('lucy_data', 'lucy.ply')

### Download and unpack the data, if not already on disk #######################
if not os.path.exists(lucy_ply_file):
    if not os.path.exists('lucy.tar.gz'):
        # Download the data
        try:
            from urllib import urlopen
        except ImportError:
            from urllib.request import urlopen
        print("Downloading lucy model, Please Wait (307MB)")
        opener = urlopen(
                'http://graphics.stanford.edu/data/3Dscanrep/lucy.tar.gz')
        open('lucy.tar.gz', 'wb').write(opener.read())

    # Extract the data
    import tarfile
    lucy_tar_file = tarfile.open('lucy.tar.gz')
    try:
        os.mkdir('lucy_data')
    except:
        pass
    lucy_tar_file.extractall('lucy_data')
    lucy_tar_file.close()

# Render the lucy ply file
mlab.pipeline.surface(mlab.pipeline.open(lucy_ply_file))
mlab.show()