[Yt-dev] Volume rendering with current (3628:da3894bf42a5) change set
chris.m.malone at gmail.com
Thu Dec 30 13:44:54 PST 2010
Thanks for the feedback.
That's a bit odd! My guess is that something's up with the center and
> domain left edge info. Can you run with --detailed or
> --paste-detailed, and it should give info about the center and LE
> variables. Alternately, you can run with:
> python2.6 -m pdb some_script.py
> and print LE, LE.shape, self.back_center, self.back_center.shape. It
> seems likely to me it's something like one is shaped (3,1) and the
> other (1,3) or (3,) or something.
After using the debugger as you suggested and looking more closely it seems
that LE is still an empty list because self.bricks = None even after a call
to self.partition_grids(). The latter is not working properly because
self._brick_collection.source._grids is an empty ndarray. For example, I
get the following DEBUG message before the fatal error:
yt DEBUG 2010-12-30 16:40:49,932 Preloading ['Density'] from 0
I now need to track down why _grids is not being filled appropriately; all
the other grid-type-lists I have found are properly filled.
Do you want to push your Maestro changes so that we can
> take a look at them, see how they are implemented?
I have some clean-up to do on the code, but I will certainly push it once I
have things a bit better organized.
> On Wed, Dec 29, 2010 at 4:19 PM, Chris Malone <chris.m.malone at gmail.com>
> > Hi all,
> > As previously mentioned, I'm working in my spare time to add support for
> > Maestro code to yt. I am able to read in the data, make slices of
> > variables, and save the resulting plots. I tried, however, to follow the
> > cookbook recipe for volume rendering and I keep getting an error while
> > attempting to ray_cast.
> > Here is the script I use: http://paste.enzotools.org/show/1470/
> > and here is the traceback:
> > http://paste.enzotools.org/show/Jn7X2pBPkUD0yhhLwrVv/
> > I'm not sure if this is an issue with the way I have implemented Maestro
> > support or if there is a bug in the visualization. Could someone please
> > my script with their own parameter file to at least verify there is no
> > in ray_cast?
> > Thanks,
> > Chris
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