[yt-users] Change background

[Nathan Goldbaum]

I think the background color in that plot is coming from a value in your
colormap. It's hard to say for sure because you hid the colorbar. You could
try using a different colormap:

http://yt-project.org/doc/visualizing/colormaps/index.html

In addition, you should be able to control the color of the streamlines by
passing a plot_args dict to annotate_streamlines. Something like:

slc.annotate_streamlines('field_y', 'field_z',factor=16,density=4,
plot_args={'color': 'yellow'})

Hope that helps,

Nathan

On Thu, Jun 1, 2017 at 4:55 PM, Sushilkumar <sushil.sush19us at gmail.com>
wrote:

> Dear yt:
>
> What is the best way to change the background of an plot?
> I would like to change the blue background in my plot so that the field
> lines are more clear.
>
> Link to the image and the script is below
>
>
> https://drive.google.com/open?id=0B4g8shg4DL7oak5PLWVVdG5UMHc
>
> Thanks in advance
>
>
>
> On Thu, Jun 1, 2017 at 1:02 PM, <yt-users-request at lists.spacepope.org>
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>> Today's Topics:
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>>    1. Re: Covering GIZMO data to uniform grid (Nathan Goldbaum)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Wed, 31 May 2017 17:07:57 -0500
>> 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 GIZMO data to uniform grid
>> Message-ID:
>>         <CAJXewOn23g9FZJyLOuLnGR2LpRKXt83ryRFRtgkjtGSFVTq6CQ at mail.gm
>> ail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> It looks like I spoke too soon. It turns out that you can't smooth SPH
>> smoothed fields onto a covering grid or an arbitrary grid. I thought this
>> worked but I guess I was mistaken. I've filed an issue with a feature
>> request for this here:
>>
>> https://github.com/yt-project/yt/issues/1436
>>
>> In principle I think this would be relatively easy to do. I'm in the
>> middle
>> of working on a significant change in how yt supports SPH particle data, I
>> will make sure that this gets done as part of that.
>>
>> For now you can use covering grids and arbitrary grids with a locally
>> deposited field, here's an example using the deposited dark matter
>> density:
>>
>> https://gist.github.com/72803576524833663793e7a10563b6b3
>>
>> On Wed, May 31, 2017 at 4:39 PM, ??? <setsuna at phys.tw> wrote:
>>
>> > Hi Nathan!
>> >
>> > Do you mean that I should put deposit fields instead of GIZMO data into
>> > covering grid/ arbitrary_grid?
>> >
>> > 2017-06-01 5:14 GMT+08:00 Nathan Goldbaum <nathan12343 at gmail.com>:
>> >
>> >> The covering grid should work with deposit fields.
>> >>
>> >> You could also look at the arbitrary_grid, which is a little bit less
>> >> restrictive than covering_grid about the resolution and left and right
>> edge.
>> >>
>> >>
>> >> On Wed, May 31, 2017 at 4:11 PM ??? <setsuna at phys.tw> wrote:
>> >>
>> >>> Hello yt-commuinty,
>> >>>
>> >>> I was trying to use yt to analyse GIZMO data.
>> >>> Is there a function which can translate GIZMO gas data,particle0, to
>> >>> uniform grid with neutral hydrogen,velocity,temperature.etc?
>> >>> I know the "deposit " field and covering_grid in yt, but "deposit"
>> >>>  isn't uniform and covering_grid is designed for grid-like data..
>> >>>
>> >>> Thank you!
>> >>> Edward
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