[yt-dev] Issue with PlotWindow and Callbacks

[John ZuHone]

Matt, 

Can you point to where this is done?

John

On Jul 12, 2012, at 1:06 AM, Matthew Turk wrote:

> Hi Nathan and John,
> 
> What if the quiver callback simply popped any newly generated fields
> when it was done?  That's what we do for the grids when calculating
> derived fields.
> 
> -Matt
> 
> On Wed, Jul 11, 2012 at 10:05 PM, Nathan Goldbaum <nathan12343 at gmail.com> wrote:
>> Hi John,
>> 
>> I haven't tested the quiver callbacks yet and I'm not particularly surprised
>> that they're a bit broken.
>> 
>> Your list should probably be attached to every instance PWViewer so that it
>> is accessible by the CallbackWrapper.  At line 638 you can set the fields to
>> plot to be self._frb.data.keys() minus the fields included in your new list.
>> 
>> It might be a bit tricky to generate the list since the callbacks are
>> generated dynamically.  Maybe the thing to do is inspect
>> self._frb.data.keys() before and after the callback is called inside
>> PWViewerMPL._setup_plots() (line 689 in my version of plot_window.py).
>> 
>> Please let us know if you run into any difficulties.
>> 
>> Cheers,
>> 
>> Nathan
>> 
>> 
>> On 7/11/12 9:52 PM, John Zuhone wrote:
>>> 
>>> Hi all,
>>> 
>>> I've found an issue with PlotWindow and callbacks. The example script I
>>> have included adds velocity vectors on top of a slice:
>>> 
>>> http://paste.yt-project.org/show/2544/
>>> 
>>> Later on in the script, I try to resize the plot, but I get this error:
>>> 
>>> http://paste.yt-project.org/show/2545/
>>> 
>>> This is because the field list now includes x-velocity and y-velocity, but
>>> there are not any plots corresponding to these fields in the list. I figure
>>> that the answer to this is to retain some sort of field list that
>>> corresponds to the fields that are actually being plotted in the colorscale,
>>> but I figured before I just went in and dropped it in somewhere I'd ask for
>>> opinions as to where it should go.
>>> 
>>> Best,
>>> 
>>> John Z
>>> 
>>> --
>>> John ZuHone
>>> 
>>> Postdoctoral Researcher
>>> NASA/Goddard Space Flight Center
>>> 
>>> jzuhone at gmail.com <mailto:jzuhone at gmail.com>
>>> john.zuhone at nasa.gov <mailto:john.zuhone at nasa.gov>
>>> 
>>> 
>>> 
>>> _______________________________________________
>>> yt-dev mailing list
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>> 
>> 
>> 
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