[yt-users] Lineout plot fo 3D dataset

[Scott Feister]

Hi Matt, Suoqing, and Nathan,

Thanks a lot for answering so quickly -- that was very helpful! The ray
method works quickly and does exactly what I was looking for: a lineout. I
may add to that capability by coring out the central region of one (or two)
orthogonal 2D projections (e.g. along y and z) to give the line an
integration width.

Scott


Scott Feister, Ph.D.
Postdoctoral Researcher, Flash Center for Computational Science
University of Chicago, Department of Astronomy and Astrophysics

On Mon, Sep 19, 2016 at 2:59 PM, Nathan Goldbaum <nathan12343 at gmail.com>
wrote:

> Hi Scott,
>
> You may want to try the ray data object.
>
> Keep in mind that the ray object by default returns unordered data, so you
> need to sort the data first to make an ordered plot along the ray's length.
>
> Also, keep in mind that for AMR data the ray might return
> variable-resolution data, so you will need to do some additional processing
> to generate a continuous line plot.
>
> More info about the ray data object here:
>
> http://yt-project.org/docs/dev/reference/api/generated/yt.
> data_objects.selection_data_containers.YTRay.html
>
> http://yt-project.org/docs/dev/analyzing/generating_processe
> d_data.html#line-queries-and-planar-integrals
>
> and an example:
>
> http://yt-project.org/docs/dev/visualizing/manual_plotting.
> html#manual-line-plots
>
>
>
> On Mon, Sep 19, 2016 at 2:55 PM, Scott Feister <sfeister at gmail.com> wrote:
>
>> Hi Yt users,
>>
>> I'm looking for something like the projection and slice plot, but as a 1D
>> lineout rather than 2D projection or slice. In other words, is there a
>> simple way to make a line plot of "x" vs. "density" at y = z = 0, for
>> example? I unsuccessfully tried modifying the 1D profile examples, which
>> talk about sub-regions (e.g. spheres) and plotting two data variables
>> against one another (e.g. "dens" and "temp"). Has anyone else run into this
>> issue? I am guessing I am just missing something simple. Thanks!
>>
>> Scott
>>
>> Scott Feister, Ph.D.
>> Postdoctoral Researcher, Flash Center for Computational Science
>> University of Chicago, Department of Astronomy and Astrophysics
>>
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>>
>>
>
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