Hi Junhwan, Your definition of the derived field looks okay to me, except that I think you need to do: data.pf["Gamma"] with the quotes around Gamma. Additionally, it's usually quite helpful to have the crash report when diagnosing issues like these. :) -Matt On Tue, Apr 5, 2011 at 10:54 AM, Jun-Hwan Choi <jhchoi@pa.uky.edu> wrote:
Thank you David and Matthew,
I have looked the yt webpage about derived Field. But, I can not find where in the script the definition goes. For example I wrote the script to make slice as follow ------------------------------------------------ from yt.mods import * from yt.analysis_modules.api import EnzoSimulation import matplotlib.pylab as pylab
def _Temperature(field, data): DEFAULT_MU = 0.6 return data["Gas_Energy"]*(data.pf[Gamma]-1)*DEFAULT_MU add_field("Temperature", function=_Temperature)
es = EnzoSimulation("RotatingSphere.enzo", initial_time=0.0, final_time=50.)
time = [] i = 0 for output in es.allOutputs: # load up a dataset pf = load(output['filename'])
# calculate the time of output time.append(0.1*i) i = i + 1
# create density slices pc = PlotCollection(pf, center=[0.5,0.5,0.5]) pc.add_slice("Temperature", 0) pc.add_slice("Temperature", 2) pc.save("t%05.2f" % time[i-1]) -------------------------------------------------------------------- But this python script crashed. How and where can I define new field in the script?
Thank you Junhwan
Matthew Turk wrote:
Hi Junhwan,
David wrote back earlier to your first email:
http://lists.spacepope.org/pipermail/yt-users-spacepope.org/2011-April/00132...
Best,
Matt
On Mon, Apr 4, 2011 at 10:19 PM, <jhchoi@pa.uky.edu> wrote:
Hi YT uses,
I would like to know how make slice, projection, or volume rendering plots for derived Fields. For example, my enzo simulation output only has gas_energy (no temperature field in grid data) and I would like to make temperature map with add_slice, simply write add_slice("Temperature", 0) causes an error. Is there any way this visualization can be done with derived Field?
Thank you, Junhwan
-- -------------------------------------------------------------- Jun-Hwan Choi, Ph.D. Department of Physics and Astronomy, University of Kentucky Tel: (859) 897-6737 Fax: (859) 323-2846 Email: jhchoi@pa.uky.edu URL: http://www.pa.uky.edu/~jhchoi --------------------------------------------------------------
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-- -------------------------------------------------------------- Jun-Hwan Choi, Ph.D. Department of Physics and Astronomy, University of Kentucky Tel: (859) 897-6737 Fax: (859) 323-2846 Email: jhchoi@pa.uky.edu URL: http://www.pa.uky.edu/~jhchoi --------------------------------------------------------------
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