[yt-users] Adding Coordinate axes

John Wise jwise at astro.princeton.edu
Mon May 17 11:36:21 PDT 2010


Hi Libby,

I think this was a bug in the callback.  It was looking in plot.data.hierarchy instead of plot.pf, where the unit conversions are stored.  I submitted a fix to the hg repo.  It should work now!

John

On 17 May 2010, at 11:10, Elizabeth Harper-Clark wrote:

> Dear all,
> 
> I am trying to add coordinate axes to a slice. Here is my code:
> 
> from yt.mods import *
> import pylab
> import sys
> import cmath
> 
> frame_template = "aaWoC/%s/Density_slice_zoom_%01i_%04i"
> 
> for n in range(370,500): # make density slice with particles on
>     pf = lagos.EnzoStaticOutput("WOCOUT/%s/DD%04i/data%04i" % (sys.argv[-1],n, n))
>     pc = raven.PlotCollection(pf)
>     for ax in range(3):
>         p = pc.add_slice("Density", ax, weight_field="Density")
>         p.set_width(0.05,1)
>         p.modify["coord_axes"](unit=None, coords=False)
>         if na.any(pf.h.grid_particle_count):
>             p.modify["particles"](0.05, p_size=10.0, col='k')
>             print "          XXXXX Particles present XXXXX"
>         p.modify["text"]((0.101,0.899),"Time = %8.4f Myr" % (pf["InitialTime"]*pf["years"]/1.e6), text_args = {'color':'k'})
>         p.modify["text"]((0.1,0.9),"Time = %8.4f Myr" % (pf["InitialTime"]*pf["years"]/1.e6), text_args = {'color':'w'})
>         pc.save(frame_template % (sys.argv[-1],ax,n), override=True)
>                 
> and here is the output I get:
> 
> [h-clark at tpb92-chroot my_scripts]$ python2.6 Density_slices_zoom.py experiments2
> 0.35 0.45 0.7
> yt         INFO       2010-05-17 11:03:57,243 Getting the binary hierarchy
> yt         INFO       2010-05-17 11:03:57,291 Finished with binary hierarchy reading
> yt         INFO       2010-05-17 11:03:57,295 Adding PotentialField to list of fields
> yt         INFO       2010-05-17 11:03:57,295 Adding AccelerationField2 to list of fields
> yt         INFO       2010-05-17 11:03:57,295 Adding AccelerationField3 to list of fields
> yt         INFO       2010-05-17 11:03:57,296 Adding AccelerationField1 to list of fields
> yt.lagos   INFO       2010-05-17 11:03:57,518 Max Value is 7.53287e-17 at 0.6984863281250000 0.3586425781250000 0.3889160156250000 in grid EnzoGrid_0037 at level 4 (4, 4, 6)
> yt         INFO       2010-05-17 11:03:57,518 Created plot collection with default plot-center = [0.698486328125, 0.358642578125, 0.388916015625]
> yt         INFO       2010-05-17 11:03:58,136 Added slice of Density at x = 0.698486328125 with 'center' = [0.698486328125, 0.358642578125, 0.388916015625]
> Traceback (most recent call last):
>   File "Density_slices_zoom.py", line 34, in <module>
>     pc.save(frame_template % (sys.argv[-1],ax,n), override=True)
>   File "/mnt/raid-project/murray/h-clark/YT/src/yt-trunk-svn/yt/raven/PlotCollection.py", line 83, in save
>     override=override, force_save=force_save))
>   File "/mnt/raid-project/murray/h-clark/YT/src/yt-trunk-svn/yt/raven/PlotTypes.py", line 118, in save_image
>     self._redraw_image()
>   File "/mnt/raid-project/murray/h-clark/YT/src/yt-trunk-svn/yt/raven/PlotTypes.py", line 406, in _redraw_image
>     self._run_callbacks()
>   File "/mnt/raid-project/murray/h-clark/YT/src/yt-trunk-svn/yt/raven/PlotTypes.py", line 261, in _run_callbacks
>     cb(self)
>   File "/mnt/raid-project/murray/h-clark/YT/src/yt-trunk-svn/yt/raven/Callbacks.py", line 737, in __call__
>     unit_conversion = plot.data.hierarchy[plot.im["Unit"]]
> TypeError: 'EnzoHierarchy' object is unsubscriptable
> 
> Does anyone see what I am doing wrong?
> 
> many thanks,
> 
> Libby
> 
> -- 
> Elizabeth Harper-Clark MA MSci
> PhD Candidate, Astrophysics, UofT
> 
> www.astro.utoronto.ca/~h-clark
> h-clark at cita.utoronto.ca
> AIM: edphc1
> MSN: edphc1 at hotmail.com
> Skype: eharperclark
> Office phone: 416-978-5759
> _______________________________________________
> yt-users mailing list
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> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org

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