[yt-users] Ploting particles with FLASH

[John Zuhone]

Hi Andrew,

It appears by checking the changeset hash that your yt installation was last updated in March. 

Can you try updating yt using 'yt update’, and then re-running your script?

There was an important bugfix here:

https://bitbucket.org/yt_analysis/yt/pull-request/1568/bugfix-make-sure-annotate_particles/ <https://bitbucket.org/yt_analysis/yt/pull-request/1568/bugfix-make-sure-annotate_particles/>

which was merged in on May 1st, and it relates directly to annotate_particles and width specification. 

If you still get the same error or a different one, then we probably have a different issue on our hands. In any case, let us know!

Best,

John

> On Jun 5, 2015, at 10:53 AM, Andrew James Emerick <aje2123 at columbia.edu> wrote:
> 
> Hi John,
> 
> The data set is a combination of a plot file and the particle file. The total domain is 8x8x8 kpc.
> 
> ytinstinfo output:
> 
> yt module located at:
>     /home/emerick/code/yt
> 
> The current version and changeset for the code is:
> 
> ---
> Version = 3.2-dev
> Changeset = 0360a69a8106+ (yt) tip
> ---
> 
> This installation CAN be automatically updated.
> Could not determine when yt stack was last updated.
> 
> 
> 
> On Fri, Jun 5, 2015 at 9:53 AM, John Zuhone <jzuhone at gmail.com <mailto:jzuhone at gmail.com>> wrote:
> Hi Andrew,
> 
> Could you tell us a bit more about your dataset, e.g., what the domain size is, and is it a checkpoint file or a combination of a plot file and a particle file?
> 
> Also, can you give us the input of ‘yt instinfo’ from a terminal session?
> 
> Best,
> 
> John Z
> 
>> On Jun 5, 2015, at 8:55 AM, Andrew James Emerick <aje2123 at columbia.edu <mailto:aje2123 at columbia.edu>> wrote:
>> 
>> Hi everyone,
>> 
>> I just tried to make a simple projection plot of gas density in FLASH, while overplotting tracer particles using the annotate_particles callback:
>> 
>> proj = yt.ProjectionPlot(ds,'z','density',center='m',weight_field='density')
>> proj.annotate_particles((1.0,'kpc'))
>> 
>> I got an error while doing this, however: http://paste.yt-project.org/show/5599/ <http://paste.yt-project.org/show/5599/>
>> 
>> The error occurs during the annotate_particles callback. I played around with the width argument, but it did not help. Is this functionality supported with FLASH data?
>> 
>> 
>> 
>> Thanks,
>> Andrew E.
>> 
>> 
>> -- 
>> Graduate Student 
>> Columbia University
>> Department of Astronomy
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