def test_test_backend(self):
"""Test if setting the backend to 'test' works."""
mlab.options.backend = 'test'
mlab.test_contour3d()
mlab.clf()
mlab.pipeline.open(get_example_data('cube.vti'))
mlab.clf()
def move_cam(outpath):
""" Example to record a stream of images moving the camera around
(using offscreen rendering)
Usage: move_cam(out_path)
Input:
outpath - (String) output path to save images
Output:
-NONE- but stream of images is saved in outpath
"""
import os.path
import tf_format
from enthought.mayavi import mlab
mlab.options.offscreen = True
mlab.test_contour3d()
# Example motion: rotate clockwise around an object
step = 15 # degrees of change between views
for i, angle in enumerate(range(0, 360, step)):
view = mlab.view(azimuth=angle)
imgname = os.path.join(outpath, 'example' + str(i) + '.png')
mlab.savefig(imgname)
def example():
""" Example to run offscreen rendering with mayavi. If you see an 'int64'
error, you will need to patch 'figure.py' to '... = int(magnification)'.
This example saves a file called 'example.png' in the current folder, with
some shapes.
Usage: example()
"""
from enthought.mayavi import mlab
mlab.options.offscreen = True
mlab.test_contour3d()
mlab.savefig('example.png')
def f():
mlab.options.backend = 'envisage'
mlab.test_contour3d()
GUI.invoke_after(3000, close)
