[yt-users] Athena phase plot problem

[John ZuHone]

Hi Stephanie,

Just want to make sure that you're using the latest version of the yt development tree--it contains some important Athena fixes that were put in a few weeks back.

If so, then we'll work from there to figure out what's gone wrong. 

Best,

John

On Dec 17, 2012, at 5:44 PM, Stephanie Tonnesen <stonnes at gmail.com> wrote:

> Hi yt-users,
> 
> I am trying to make phase_objects of Athena data.  I am able to make phase_objects if I use the "expected" set of variables (will show below), but kill my kernel or am kicked out of python if I try and use an "unknown field" read in from a set of vtk files.  
> 
> 
> 
> from yt.mods import *
> 
> pf = load("id0/rps.0080.vtk")
> 
> yt : [INFO     ] 2012-12-13 23:27:08,678 Temporarily setting domain_right_edge = -domain_left_edge. This will be corrected automatically if it is not the case.
> yt : [INFO     ] 2012-12-13 23:27:08,974 Parameters: current_time              = 40.00096
> yt : [INFO     ] 2012-12-13 23:27:08,974 Parameters: domain_dimensions         = [1048 1048  655]
> yt : [INFO     ] 2012-12-13 23:27:08,975 Parameters: domain_left_edge          = [-3.2 -3.2 -2. ]
> yt : [INFO     ] 2012-12-13 23:27:08,976 Parameters: domain_right_edge         = [ 3.2  3.2  2. ]
> yt : [INFO     ] 2012-12-13 23:27:08,977 Parameters: cosmological_simulation   = 0.0
> yt : [INFO     ] 2012-12-13 23:27:13,214 Adding unknown field specific_scalar[0] to list of fields
> 
> pf.h.field_list
> 
> ['density',
>  'pressure',
>  'velocity_z',
>  'velocity_x',
>  'velocity_y',
>  'specific_scalar[0]']
> alld = pf.h.all_data()
> tracerp25 = alld.cut_region(["grid['specific_scalar[0]'] > 0.25", "grid['z'] > 0.01"])
> 
> ##These commands works:
> radmean = tracerp25.quantities["WeightedAverageQuantity"]("Radius","Ones")
> 
> pc = PlotCollectionInteractive(pf)
> 
> pc.add_phase_object(alld,["z","velocity_z","CellMass"],weight=None)
> 
> #The calls below fail.  There is no error message.  If I am in iPython,
> #the kernel dies.  If I am running on a computer, it freezes and
> #eventually I just get the message
> #Killed
> 
> pc.add_phase_object(alld,["z","specific_scalar[0]","CellMass"],weight=None)
> pc.add_phase_object(tracerp25,["z","velocity_z","CellMass"],weight=None)
> 
> #If I read in a single vtk file ("id122/rps-id122.0080.vtk") the above
> #commands work
> Any help would be much appreciated!  Thanks,
> 
> Stephanie
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