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#!/usr/bin/env python
"""A simple example of how you can use Mayavi without
using Envisage or the Mayavi Envisage application.
"""
# Author: Prabhu Ramachandran <prabhu@aero.iitb.ac.in>
# Copyright (c) 2007, Enthought, Inc.
# License: BSD Style.
from os.path import join, abspath
from pyface.api import GUI
# The core Engine.
from mayavi.core.api import Engine
from mayavi.core.ui.engine_view import EngineView
# Usual MayaVi imports
from mayavi.scripts.util import get_data_dir
from mayavi.sources.api import VTKXMLFileReader
from mayavi.modules.api import Outline, ScalarCutPlane, Streamline
def main():
# Create the MayaVi engine and start it.
e = Engine()
# Starting the engine registers the engine with the registry and
# notifies others that the engine is ready.
e.start()
# Do this if you need to see the MayaVi tree view UI.
ev = EngineView(engine=e)
ui = ev.edit_traits()
# Create a new scene.
scene = e.new_scene()
# Now create a new scene just for kicks.
scene1 = e.new_scene()
# Now setup a normal MayaVi pipeline.
src = VTKXMLFileReader()
src.initialize(join(get_data_dir(abspath(__file__)),
'fire_ug.vtu'))
e.add_source(src)
e.add_module(Outline())
e.add_module(ScalarCutPlane())
e.add_module(Streamline())
return e, ui
if __name__ == '__main__':
# When main returns the ui to go out of scope and be gc'd causing the view
# to disappear with qt4.
e, ui = main()
# Create a GUI instance and start the event loop. We do this here so that
# main can be run from IPython -wthread if needed.
gui = GUI()
gui.start_event_loop()
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