On May 11, 2016, at 2:04 PM, Sushilkumar <sushil.sush19us@gmail.com> wrote:_______________________________________________Dear Suoqing Ji:I could not find the script you attached neither in the email text nor in the google driveOn Wed, May 11, 2016 at 2:12 PM, <yt-users-request@lists.spacepope.org> wrote:Send yt-users mailing list submissions to
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Today's Topics:
1. Re: Camera/Off Axis Optioons (Suoqing Ji)
2. LightRay class (Fei Li)
3. Re: LightRay class (Cameron Hummels)
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Message: 1
Date: Wed, 11 May 2016 11:25:53 -0700
From: Suoqing Ji <suoqing@physics.ucsb.edu>
To: Discussion of the yt analysis package
<yt-users@lists.spacepope.org>
Subject: Re: [yt-users] Camera/Off Axis Optioons
Message-ID: <3BCF6B56-E116-4C42-AED8-13E541829F86@physics.ucsb.edu>
Content-Type: text/plain; charset="utf-8"
Hi Sushil,
I do not know which file in your google drive is the one you used to make the plot, but I found some potential problems in a similar script yt_frb_offaxis.py:
1. When you load the data, with data = dict(?), the key values should be ?velocity_x/y/z? instead of ?cutting_plane_velocity_x/y/z?, since the later can be derived from the velocity field you provided;
2. The data for stream plot should not be normalized;
Here I attached the script, and you should be able to produce the figure without problem.
Best wishes,
--
Suoqing JI
Ph.D Candidate
Department of Physics
University of California, Santa Barbara
http://web.physics.ucsb.edu/~suoqing
> On May 11, 2016, at 9:01 AM, Sushilkumar <sushil.sush19us@gmail.com> wrote:
>
> Dear Suoqing JI:
>
> I tried with both factor=1 and deleting the ::factor (yt_frb_offaxis.py) but the same issue still persist (L(1,0,0) N(0,1,1).png). The only difference being that without the "factor" it takes longer time to compute than for a "factor=20".
>
> For same data if I use "slc.annoate_streamline" gives approximately proper results (UniformGridData_Slice_y_field_x_t000.png) but without the offaxis
>
> Any suggestions.
>
> Thanks in advance
>
> https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc <https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc>
> --
> SK2
>
> "Claiming that something can move faster than light is a good conversation-stopper in physics. People edge away from you in cocktail parties; friends never return phone calls. You just don?t mess with Albert Einstein."
>
> _______________________________________________
> yt-users mailing list
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Message: 2
Date: Wed, 11 May 2016 19:06:49 +0000
From: Fei Li <lif.li@mail.utoronto.ca>
To: "yt-users@lists.spacepope.org" <yt-users@lists.spacepope.org>
Subject: [yt-users] LightRay class
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<CY1PR03MB2378B7748FFAB0F47A379797BF720@CY1PR03MB2378.namprd03.prod.outlook.com>
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Hello yt users,
I tried to use the LightRay class to generate a light ray for one of my gridded simulation snapshots. The simulation is from the FIRE project which used a heavily modified version of Gadget-3 called GIZMO written by Phil Hopkins. And the error I got is: ValueError: need more than 1 value to unpack.
Here is my script:
$ python
Python 2.7.11 |Continuum Analytics, Inc.| (default, Dec 6 2015, 18:08:32)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
Anaconda is brought to you by Continuum Analytics.
Please check out: http://continuum.io/thanks and https://anaconda.org
>>> import yt
>>> import trident
>>> fn='/cita/h/home-2/fli/FIRE/grid_190_256.hdf5'
>>> light_ray=trident.LightRay(fn,simulation_type='Gadget')
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/analysis_modules/cosmological_observation/light_ray/light_ray.py", line 152, in __init__
find_outputs=find_outputs)
File "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/analysis_modules/cosmological_observation/cosmology_splice.py", line 34, in __init__
find_outputs=find_outputs)
File "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/convenience.py", line 153, in simulation
find_outputs=find_outputs)
File "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/frontends/gadget/simulation_handling.py", line 75, in __init__
find_outputs=find_outputs)
File "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/data_objects/time_series.py", line 414, in __init__
self._parse_parameter_file()
File "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/frontends/gadget/simulation_handling.py", line 289, in _parse_parameter_file
param, vals = (i.strip() for i in line.split(None, 1))
ValueError: need more than 1 value to unpack
Thanks for your help,
Fei Li
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Message: 3
Date: Wed, 11 May 2016 12:12:08 -0700
From: Cameron Hummels <chummels@gmail.com>
To: Discussion of the yt analysis package
<yt-users@lists.spacepope.org>
Subject: Re: [yt-users] LightRay class
Message-ID:
<CACyTu7FeqQUkhdE034q182uvPYm=50p9J2qP509x+xQBuUYQZw@mail.gmail.com>
Content-Type: text/plain; charset="utf-8"
Hi Fei Li,
Since you're primarily trying to use Trident's functionality which wraps
around the LightRay class, you should probably direct questions of this
nature to the Trident mailing list. I'll start a discussion there on this
topic now and cc you.
trident-project-users@googlegroups.com
Cameron
On Wed, May 11, 2016 at 12:06 PM, Fei Li <lif.li@mail.utoronto.ca> wrote:
> Hello yt users,
>
> I tried to use the LightRay class to generate a light ray for one of my
> gridded simulation snapshots. The simulation is from the FIRE project which
> used a heavily modified version of Gadget-3 called GIZMO written by Phil
> Hopkins. And the error I got is: ValueError: need more than 1 value to
> unpack.
>
> Here is my script:
>
> $ python
> Python 2.7.11 |Continuum Analytics, Inc.| (default, Dec 6 2015, 18:08:32)
> [GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux2
> Type "help", "copyright", "credits" or "license" for more information.
> Anaconda is brought to you by Continuum Analytics.
> Please check out: http://continuum.io/thanks and https://anaconda.org
> >>> import yt
> >>> import trident
> >>> fn='/cita/h/home-2/fli/FIRE/grid_190_256.hdf5'
> >>> light_ray=trident.LightRay(fn,simulation_type='Gadget')
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File
> "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/analysis_modules/cosmological_observation/light_ray/light_ray.py",
> line 152, in __init__
> find_outputs=find_outputs)
> File
> "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/analysis_modules/cosmological_observation/cosmology_splice.py",
> line 34, in __init__
> find_outputs=find_outputs)
> File
> "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/convenience.py",
> line 153, in simulation
> find_outputs=find_outputs)
> File
> "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/frontends/gadget/simulation_handling.py",
> line 75, in __init__
> find_outputs=find_outputs)
> File
> "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/data_objects/time_series.py",
> line 414, in __init__
> self._parse_parameter_file()
> File
> "/home/fli/opt/yt-conda/lib/python2.7/site-packages/yt/frontends/gadget/simulation_handling.py",
> line 289, in _parse_parameter_file
> param, vals = (i.strip() for i in line.split(None, 1))
> ValueError: need more than 1 value to unpack
>
> Thanks for your help,
>
> Fei Li
>
>
>
> _______________________________________________
> yt-users mailing list
> yt-users@lists.spacepope.org
> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>
>
--
Cameron Hummels
NSF Postdoctoral Fellow
Department of Astronomy
California Institute of Technology
http://chummels.org
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--SK2"Claiming that something can move faster than light is a good conversation-stopper in physics. People edge away from you in cocktail parties; friends never return phone calls. You just don’t mess with Albert Einstein."
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