[yt-users] ortho_ray question

[Nathan Goldbaum]

On Wed, Jul 23, 2014 at 10:07 AM, Michael Zingale <
michael.zingale at stonybrook.edu> wrote:

> Here's the doc I think refers to this, which says it's an order list:
>
>
> http://yt-project.org/docs/dev-3.0/reference/api/generated/yt.data_objects.selection_data_containers.YTOrthoRayBase.html#yt.data_objects.selection_data_containers.YTOrthoRayBase
>
> I found this functionality via google.  But I don't have a t field here.
>  I can sort based on "x" though.
>

It's possible this docstring is out of date.

I think it might be possible to fix this issue by adding a call to argsort
in the ortho_ray's __getitem__, but I believe britton had trouble getting
that to work when he tried it.


>
>
> On Wed, Jul 23, 2014 at 12:32 PM, Michael Zingale <
> michael.zingale at stonybrook.edu> wrote:
>
>> I'm not worried either way -- I just wanted to make sure there was not a
>> bug.
>>
>>
>> On Wed, Jul 23, 2014 at 12:30 PM, Matthew Turk <matthewturk at gmail.com>
>> wrote:
>>
>>> On Wed, Jul 23, 2014 at 11:29 AM, Michael Zingale
>>> <michael.zingale at stonybrook.edu> wrote:
>>> > ok, thanks.  I'll take a look at the docs again, and if it was not
>>> obvious
>>> > there, I'll add a statement.
>>>
>>> Ah!  They used to be sorted.  Right now the default chunking scheme is
>>> unsorted, and can do partial queries, so I think that's why it's not
>>> sorted.  I can possibly fix this -- we put in a partial fix for
>>> non-ortho rays.
>>>
>>> >
>>> >
>>> > On Wed, Jul 23, 2014 at 12:15 PM, Matthew Turk <matthewturk at gmail.com>
>>> > wrote:
>>> >>
>>> >> On Tue, Jul 22, 2014 at 11:19 PM, Michael Zingale
>>> >> <michael.zingale at stonybrook.edu> wrote:
>>> >> > I am trying to use ortho_ray.
>>> >> >
>>> >> > If I do:
>>> >> >
>>> >> >
>>> >> > c = ds.find_max("temperature")
>>> >> > coords = c[1]
>>> >> >
>>> >> > ray = ds.ortho_ray(0, (coords[1], coords[2]))
>>> >> >
>>> >> > and then plot ray["density"] vs. ray["x"] , I get a jumbled mess.
>>> >> > Printing
>>> >> > ray["x"], I see that it is not monotonic -- should I expect it to
>>> be?
>>> >> > The
>>> >> > docs seem to suggest that it would be sorted properly.
>>> >>
>>> >> It's not sorted, no.  You can sort via the 't' field, which sorts
>>> >> based on the parameter from start to finish.
>>> >>
>>> >> -Matt
>>> >>
>>> >> >
>>> >> > --
>>> >> > Michael Zingale
>>> >> > Associate Professor
>>> >> >
>>> >> > Dept. of Physics & Astronomy • Stony Brook University • Stony
>>> Brook, NY
>>> >> > 11794-3800
>>> >> > phone:  631-632-8225
>>> >> > e-mail: Michael.Zingale at stonybrook.edu
>>> >> > web: http://www.astro.sunysb.edu/mzingale
>>> >> >
>>> >> > _______________________________________________
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>>> >> >
>>> >> _______________________________________________
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>>> >
>>> >
>>> >
>>> >
>>> > --
>>> > Michael Zingale
>>> > Associate Professor
>>> >
>>> > Dept. of Physics & Astronomy • Stony Brook University • Stony Brook, NY
>>> > 11794-3800
>>> > phone:  631-632-8225
>>> > e-mail: Michael.Zingale at stonybrook.edu
>>> > web: http://www.astro.sunysb.edu/mzingale
>>> >
>>> > _______________________________________________
>>> > yt-users mailing list
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>>> >
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>>
>>
>>
>> --
>> Michael Zingale
>> Associate Professor
>>
>> Dept. of Physics & Astronomy • Stony Brook University • Stony Brook, NY
>> 11794-3800
>> *phone*:  631-632-8225
>> *e-mail*: Michael.Zingale at stonybrook.edu
>> *web*: http://www.astro.sunysb.edu/mzingale
>>
>
>
>
> --
> Michael Zingale
> Associate Professor
>
> Dept. of Physics & Astronomy • Stony Brook University • Stony Brook, NY
> 11794-3800
> *phone*:  631-632-8225
> *e-mail*: Michael.Zingale at stonybrook.edu
> *web*: http://www.astro.sunysb.edu/mzingale
>
> _______________________________________________
> yt-users mailing list
> yt-users at lists.spacepope.org
> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>
>
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