[yt-users] Pressure/temperature gradient field

Suoqing Ji suoqing at physics.ucsb.edu
Sun Jul 19 15:25:06 PDT 2015


Hi Yuan,

Just to check, have you included the “ValidateSpatial" object when adding the field? See the definition of DivV field: http://yt-project.org/docs/2.6/analyzing/creating_derived_fields.html#some-more-complicated-examples <http://yt-project.org/docs/2.6/analyzing/creating_derived_fields.html#some-more-complicated-examples>

Best wishes,
--
Suoqing JI
Ph.D Candidate
Department of Physics
University of California, Santa Barbara
http://web.physics.ucsb.edu/~suoqing

> On Jul 19, 2015, at 2:52 PM, Yuan Li <yuan at astro.columbia.edu> wrote:
> 
> Dear all,
> 
> I am using yt2.6. I was trying to define a field of the temperature gradient like gradPressureX, but I got an error message:
> ...
> new_field[1:-1,1:-1,1:-1]  = data["Temperature"][sl_right,1:-1,1:-1]/ds
> ValueError: could not broadcast input array from shape (62,62,64) into shape (62,62,62)
> 
> I then tried to re-define gradPressureX by copying the original definition (http://yt-project.org/docs/2.6/reference/field_list.html#gradpressurex <http://yt-project.org/docs/2.6/reference/field_list.html#gradpressurex>) and giving it a different name, and I got the same error. The original gradPressureX works fine. 
> 
> Is it because I did not load some specific module or something?
> 
> 
> Thank you!
> Yuan
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