On 09/02/07, Prabhu Ramachandran <[EMAIL PROTECTED]> wrote:
> >>>>> "Fernando" == Fernando Perez <[EMAIL PROTECTED]> writes:
>
> >> muck_around_with_data_in_ipython_some_more()
> >> send_new_data_to_mayavi()
> >>
> >> much like I can with mpl. The entries in the cookbook suggest
> >> scripting mayavi, but I'm not sure how to adapt this for
> >> interactive use.
>
> Fernando> Prabhu will probably give you more accurate info, but
>
> Not really, your answer is spot on.
>
> [...]
> Fernando> ipython -wthread
> [...]
> Fernando> if you want also matplotlib support AND you have
> Fernando> configured mpl to use one of the WX-based backends.
Yep - I use the WXAgg backend.
> Fernando> Since Mayavi2 is a WX app, you can only use both WX and
> Fernando> MPL together if you use the WX backends for MPL.
>
> Just to confirm, yes, that is about all there is to it.
Great, so it sounds like it should be possible. Now, it's just a case
of me not being able to figure out the mechanics of what to type to
make it work. I start ipython with -pylab, and I'm typing into it, as
per the scripting example in the cookbook:
In [1]: from enthought.mayavi.app import Mayavi
In [2]: from enthought.mayavi.sources.array_source import ArraySource
In [3]: dat = numpy.arange(100*100).reshape((100,100))
In [4]: class foo(Mayavi):
....: def run(self):
....: src = ArraySource()
....: src.scalar_data = dat
....: script=self.script
....: script.new_scene()
....: script.add_source(src)
In [5]: mv = foo()
In [6]: mv.main()
And up pops the mayavi2 window but showing now scene or array source,
and an error message is printed in the ipython window:
---------------------------------------------------------------------------
exceptions.SystemError Traceback (most
recent call last)
/usr/lib/python2.4/site-packages/wx-2.6-gtk2-unicode/wx/_core.py in
<lambda>(event)
13533 app._CallAfterId = wx.NewEventType()
13534 app.Connect(-1, -1, app._CallAfterId,
> 13535 lambda event: event.callable(*event.args,
> **event.kw) )
13536 evt = wx.PyEvent()
13537 evt.SetEventType(app._CallAfterId)
/home/amcmorl/working/local_diam/real_individual/<ipython console> in run(self)
3
4
----> 5
6
7
/usr/local/scipy/enthought/src/lib/enthought/mayavi/script.py in new_scene(self)
83 """Creates a new VTK scene window.
84 """
---> 85 self.engine.new_scene()
86
87 def load_visualization(self, fname):
/usr/local/scipy/enthought/src/lib/enthought/mayavi/engine.py in new_scene(self)
188 """Creates a new VTK scene window.
189 """
--> 190 active_window = get_active_window(self.application)
191 action = NewScene(window=active_window)
192 action.perform()
/usr/local/scipy/enthought/src/lib/enthought/mayavi/engine.py in
get_active_window(app)
33 def get_active_window(app):
34 """Get the currently active window given the current application."""
---> 35 wb = app.get_service('enthought.envisage.workbench.IWorkbench')
36 return wb.active_window
37
/usr/local/scipy/enthought/src/lib/enthought/envisage/core/application.py
in get_service(self, interface, query)
622 service = self.service_registry.get_service(interface, query)
623 if service is None:
--> 624 raise SystemError("Service %s not found" % str(interface))
625
626 return service
SystemError: Service enthought.envisage.workbench.IWorkbench not found
What should I be doing differently? I'll put what I get working on to
the wiki, since I think it could be helpful for others too. Once I get
that method working, I'm hoping I can define a foo.__init__ which will
accept a data parameter and make that the scalar data for mayavi. Does
that sound feasible?
Thanks for your time,
Angus.
--
AJC McMorland, PhD Student
Physiology, University of Auckland
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