[yt-users] Improve streamline plot

Matthew Turk matthewturk at gmail.com
Thu Mar 24 09:03:01 PDT 2016 

Hi SK,

You should be able to supply a plot_args argument to the streamline
function, which will be fed to matplotlib and take standard arguments
there.

-Matt

On Wed, Mar 23, 2016 at 7:45 PM, Sushilkumar <sushil.sush19us at gmail.com> wrote:
> Dear yt:
>
> How do I adjust the line width and color for streamline plots? Drive link to
> streamline plot (streamlines_t000.png) and the script (yt_streamline.py) is
> below.
>
> I also checked the yt link below but it does not seem to have options for
> line width and line color.
>
> Thanks in advance
>
>
>
>
> https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc
>
>
> http://yt-project.org/doc/reference/api/generated/yt.visualization.streamlines.Streamlines.html#yt.visualization.streamlines.Streamlines
>
>
>
>
>
>
>
>
> On Wed, Mar 23, 2016 at 12:52 PM, <yt-users-request at lists.spacepope.org>
> wrote:
>>
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>> Today's Topics:
>>
>>    1. Re: yt3.3dev MPI puzzle (Stuart Levy)
>>    2. smoothed particle velocities onto unigrid (Desika Narayanan)
>>    3. covering_grid with RAMSES dataset (Enrico Garaldi)
>>    4. Re: covering_grid with RAMSES dataset (Nathan Goldbaum)
>>    5. Re: covering_grid with RAMSES dataset (Enrico Garaldi)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Tue, 22 Mar 2016 12:54:49 -0500
>> From: Stuart Levy <salevy at illinois.edu>
>> To: Discussion of the yt analysis package
>>         <yt-users at lists.spacepope.org>
>> Subject: Re: [yt-users] yt3.3dev MPI puzzle
>> Message-ID: <56F186E9.2010506 at illinois.edu>
>> Content-Type: text/plain; charset="windows-1252"
>>
>> Ooh, slick!   Thank you again!
>>
>> On 3/22/16 12:44 PM, Kacper Kowalik wrote:
>> > cd $HOME
>> > hg clone https://bitbucket.org/MatthewTurk/hgbb
>> >
>> > create or edit your $HOME/.hgrc to contain:
>> >
>> > [extensions]
>> > hgbb = $HOME/hgbb/hgbb.py
>> >
>> > Then you'll be able to do the following in your local clone of yt repo:
>> >
>> > hg bbpr  # will give you list of PRs
>> > hg bbpr -p 2066  # would download incoming changes and suggest rev
>> >                  # to update to
>> >
>> > Cheers,
>> > Kacper
>>
>>
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>>
>> ------------------------------
>>
>> Message: 2
>> Date: Wed, 23 Mar 2016 11:04:28 -0400
>> From: Desika Narayanan <desika.narayanan at gmail.com>
>> To: yt-users <yt-users at lists.spacepope.org>
>> Subject: [yt-users] smoothed particle velocities onto unigrid
>> Message-ID:
>>
>> <CAMMxB+MCMtJgT_YLg0iwQQHZC2E5Bhg-vBr9D7u7uKDuWjBZMQ at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hey All,
>>
>> I'm having some trouble smoothing particle velocities onto a uniform
>> (arbitrary_grid) grid.  The basic idea is that I create an arbitrary grid,
>> then want to access the particle quantities smoothed onto that grid.  Some
>> are relatively easy, like:
>>
>> mass =  obj[('deposit','PartType0_mass')].in_units('Msun')
>>
>>
>> and for others, where deposited fields don't already exist, I can create
>> those fields and it all works well:
>>
>> ds.add_deposited_particle_field(('PartType0', 'Temperature'),'sum')
>> temp = obj[('deposit', 'PartType0_sum_Temperature')]
>>
>> but when either trying to access a deposited particle field, or creating
>> one with the velocities, errors are abound.  I'm sure I'm just doing
>> something foolish, but could use a little nudge in the right direction.  I
>> created a self-contained script using the gadget zoom data set on the yt
>> datsets to show the problem, with two different error messages pastebinned
>> (links in the script) here:
>>
>> http://paste.yt-project.org/show/6352/
>>
>> any help would be greatly appreciated!
>>
>> thanks,
>> desika
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>> ------------------------------
>>
>> Message: 3
>> Date: Wed, 23 Mar 2016 17:36:34 +0100
>> From: "Enrico Garaldi" <egaraldi at uni-bonn.de>
>> To: yt-users at lists.spacepope.org
>> Subject: [yt-users] covering_grid with RAMSES dataset
>> Message-ID: <ximss-98622 at be4.uni-bonn.de>
>> Content-Type: text/plain; charset="utf-8"; format="flowed"
>>
>> Hi,
>> I am having troubles using the smoothed_covering_grid and covering_grid
>> with
>> RAMSES dataset.
>> I have yt-project version 3.2.3 and I am using the "output_00080" dataset
>> from the yt sample datasets.
>>
>> smoothed_covering_grid fails (raising a RuntimeError because tot != 0,
>> line
>> 880 of construction_data_containers.pyc), while covering_grid seems to
>> leave
>> unfilled the refined regions. What I mean is that if a cell is refined
>> beyond the maximum allowed level for the grid, it is left unfilled
>> (contrary
>> to what happens with ENZO datasets).
>>
>> I am using this code:
>>
>> import yt
>> import matplotlib.pyplot as plt
>>
>> ds = yt.load('/users/egaraldi/Documents/output_00080/info_00080.txt')
>>
>> cgrid = ds.covering_grid(0, left_edge=ds.domain_left_edge,
>> dims=ds.domain_dimensions)
>>
>> density_field = cgrid["density"]
>>
>> print (density_field == 0.0).any()  #should be False but it is True
>>
>> plt.imshow(density_field[:,:,48].v, interpolation='none')
>> plt.show()  ? #holes with zero-density corresponding to refined regions
>>
>> Am I doing something wrong?
>>
>> Thanks in advance,
>> Enrico
>>
>> -------------------------------------
>> Enrico Garaldi - Ph.D. student
>> Argelander-Institut f?r Astronomie
>> Address: Auf dem H?gel 71, 53121 Bonn, Germany
>> Room: 1.024
>> Phone: +49 (0) 228 73 3433
>> egaraldi[at]uni-bonn[dot]de
>>
>>
>> ------------------------------
>>
>> Message: 4
>> Date: Wed, 23 Mar 2016 09:47:16 -0700
>> From: Nathan Goldbaum <nathan12343 at gmail.com>
>> To: Discussion of the yt analysis package
>>         <yt-users at lists.spacepope.org>
>> Subject: Re: [yt-users] covering_grid with RAMSES dataset
>> Message-ID:
>>
>> <CAJXewOn3N_fJWBNQpXNVUtGg2s8tN_71wjmS3aL9yzqpNXVZ4A at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hi Enrico,
>>
>> I don't think you're doing anything wrong - this is a bug, likely a
>> generic
>> issue with the way covering grids get filled out for octree data.
>>
>> This issue with smoothed_covering_grid is likely another, different but
>> related bug.
>>
>> Can you create an issue to track this?
>>
>> https://bitbucket.org/yt_analysis/yt/issues/new
>>
>> -Nathan
>>
>> On Wed, Mar 23, 2016 at 9:36 AM, Enrico Garaldi <egaraldi at uni-bonn.de>
>> wrote:
>>
>> > Hi,
>> > I am having troubles using the smoothed_covering_grid and covering_grid
>> > with RAMSES dataset.
>> > I have yt-project version 3.2.3 and I am using the "output_00080"
>> > dataset
>> > from the yt sample datasets.
>> >
>> > smoothed_covering_grid fails (raising a RuntimeError because tot != 0,
>> > line 880 of construction_data_containers.pyc), while covering_grid seems
>> > to
>> > leave unfilled the refined regions. What I mean is that if a cell is
>> > refined beyond the maximum allowed level for the grid, it is left
>> > unfilled
>> > (contrary to what happens with ENZO datasets).
>> >
>> > I am using this code:
>> >
>> > import yt
>> > import matplotlib.pyplot as plt
>> >
>> > ds = yt.load('/users/egaraldi/Documents/output_00080/info_00080.txt')
>> >
>> > cgrid = ds.covering_grid(0, left_edge=ds.domain_left_edge,
>> > dims=ds.domain_dimensions)
>> >
>> > density_field = cgrid["density"]
>> >
>> > print (density_field == 0.0).any()  #should be False but it is True
>> >
>> > plt.imshow(density_field[:,:,48].v, interpolation='none')
>> > plt.show()    #holes with zero-density corresponding to refined regions
>> >
>> > Am I doing something wrong?
>> >
>> > Thanks in advance,
>> > Enrico
>> >
>> > -------------------------------------
>> > Enrico Garaldi - Ph.D. student
>> > Argelander-Institut f?r Astronomie
>> > Address: Auf dem H?gel 71, 53121 Bonn, Germany
>> > Room: 1.024
>> > Phone: +49 (0) 228 73 3433
>> > egaraldi[at]uni-bonn[dot]de
>> > _______________________________________________
>> > yt-users mailing list
>> > yt-users at lists.spacepope.org
>> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>> >
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>>
>> ------------------------------
>>
>> Message: 5
>> Date: Wed, 23 Mar 2016 18:24:07 +0100
>> From: "Enrico Garaldi" <egaraldi at uni-bonn.de>
>> To: "Discussion of the yt analysis package"
>>         <yt-users at lists.spacepope.org>
>> Subject: Re: [yt-users] covering_grid with RAMSES dataset
>> Message-ID: <ximss-99088 at be4.uni-bonn.de>
>> Content-Type: text/plain; charset="utf-8"; format="flowed"
>>
>> Hi Nathan,
>> thanks for the feedback. I will create the issue right away.
>>
>> Enrico
>>
>> On Wed, 23 Mar 2016 09:47:16 -0700
>>   Nathan Goldbaum <nathan12343 at gmail.com> wrote:
>> > Hi Enrico,
>> >
>> > I don't think you're doing anything wrong - this is a
>> >bug, likely a generic
>> > issue with the way covering grids get filled out for
>> >octree data.
>> >
>> > This issue with smoothed_covering_grid is likely
>> >another, different but
>> > related bug.
>> >
>> > Can you create an issue to track this?
>> >
>> > https://bitbucket.org/yt_analysis/yt/issues/new
>> >
>> > -Nathan
>> >
>> > On Wed, Mar 23, 2016 at 9:36 AM, Enrico Garaldi
>> ><egaraldi at uni-bonn.de>
>> > wrote:
>> >
>> >> Hi,
>> >> I am having troubles using the smoothed_covering_grid
>> >>and covering_grid
>> >> with RAMSES dataset.
>> >> I have yt-project version 3.2.3 and I am using the
>> >>"output_00080" dataset
>> >> from the yt sample datasets.
>> >>
>> >> smoothed_covering_grid fails (raising a RuntimeError
>> >>because tot != 0,
>> >> line 880 of construction_data_containers.pyc), while
>> >>covering_grid seems to
>> >> leave unfilled the refined regions. What I mean is that
>> >>if a cell is
>> >> refined beyond the maximum allowed level for the grid,
>> >>it is left unfilled
>> >> (contrary to what happens with ENZO datasets).
>> >>
>> >> I am using this code:
>> >>
>> >> import yt
>> >> import matplotlib.pyplot as plt
>> >>
>> >> ds =
>> >>yt.load('/users/egaraldi/Documents/output_00080/info_00080.txt')
>> >>
>> >> cgrid = ds.covering_grid(0,
>> >>left_edge=ds.domain_left_edge,
>> >> dims=ds.domain_dimensions)
>> >>
>> >> density_field = cgrid["density"]
>> >>
>> >> print (density_field == 0.0).any()  #should be False but
>> >>it is True
>> >>
>> >> plt.imshow(density_field[:,:,48].v,
>> >>interpolation='none')
>> >> plt.show()    #holes with zero-density corresponding to
>> >>refined regions
>> >>
>> >> Am I doing something wrong?
>> >>
>> >> Thanks in advance,
>> >> Enrico
>> >>
>> >> -------------------------------------
>> >> Enrico Garaldi - Ph.D. student
>> >> Argelander-Institut f?r Astronomie
>> >> Address: Auf dem H?gel 71, 53121 Bonn, Germany
>> >> Room: 1.024
>> >> Phone: +49 (0) 228 73 3433
>> >> egaraldi[at]uni-bonn[dot]de
>> >> _______________________________________________
>> >> yt-users mailing list
>> >> yt-users at lists.spacepope.org
>> >> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>> >>
>>
>> -------------------------------------
>> Enrico Garaldi - Ph.D. student
>> Argelander-Institut f?r Astronomie
>> Address: Auf dem H?gel 71, 53121 Bonn, Germany
>> Room: 1.024
>> Phone: +49 (0) 228 73 3433
>> egaraldi[at]uni-bonn[dot]de
>>
>>
>> ------------------------------
>>
>> Subject: Digest Footer
>>
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>>
>> End of yt-users Digest, Vol 97, Issue 27
>> ****************************************
>
>
>
>
> --
> 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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