Mailman 3 Issue #937: to_pw silently drops some fields (yt_analysis/yt) - yt-dev

Issue #937: to_pw silently drops some fields (yt_analysis/yt)

Douglas Rudd

7 Nov 2014 7 Nov '14

8:54 p.m.

New issue 937: to_pw silently drops some fields https://bitbucket.org/yt_analysis/yt/issue/937/to_pw-silently-drops-some-fie... Douglas Rudd: to_pw silently drops fields from frb._exclude_fields and _key_fields without notifying the user. ``` #!python

...

...
ds = yt.load("outputs/sedov_000960.art") fields = ["density","temperature","dx"] plot = ds.slice(2, ds.domain_center[2]).to_pw(fields) print plot.fields ['density', 'temperature']


In this case ('index', 'dx') is in both exclusion lists. Any reason I can't plot a slice of my resolution?

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Matthew Turk

7 Nov 7 Nov

8:56 p.m.

Yes, this is frustrating, and I have been bitten by it. On Fri Nov 07 2014 at 12:54:32 PM Douglas Rudd wrote:

...

New issue 937: to_pw silently drops some fields https://bitbucket.org/yt_analysis/yt/issue/937/to_pw- silently-drops-some-fields

Douglas Rudd:

to_pw silently drops fields from frb._exclude_fields and _key_fields without notifying the user.

``` #!python

...
...
ds = yt.load("outputs/sedov_000960.art") fields = ["density","temperature","dx"] plot = ds.slice(2, ds.domain_center[2]).to_pw(fields) print plot.fields ['density', 'temperature']
In this case ('index', 'dx') is in both exclusion lists. Any reason I
can't plot a slice of my resolution?


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Nathan Goldbaum

8:58 p.m.

This is due to implementation details in the PlotWindow class. It would take some refactoring to allow plotting these fields. Patches welcome :) On Fri, Nov 7, 2014 at 10:56 AM Matthew Turk wrote:

...

Yes, this is frustrating, and I have been bitten by it.

On Fri Nov 07 2014 at 12:54:32 PM Douglas Rudd wrote:

...
New issue 937: to_pw silently drops some fields https://bitbucket.org/yt_analysis/yt/issue/937/to_pw- silently-drops-some-fields

Douglas Rudd:

to_pw silently drops fields from frb._exclude_fields and _key_fields without notifying the user.

``` #!python

...
...
ds = yt.load("outputs/sedov_000960.art") fields = ["density","temperature","dx"] plot = ds.slice(2, ds.domain_center[2]).to_pw(fields) print plot.fields ['density', 'temperature']
In this case ('index', 'dx') is in both exclusion lists. Any reason I
can't plot a slice of my resolution?


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Douglas Harvey Rudd

9:11 p.m.

New subject: Issue #937: to_pw silently drops some fields (yt_analysis/yt)

Is there a simple explanation for why they can’t be treated as normal fields and what that refactoring would look like? SlicePlot suffers from the same issue for the same reason (it’s getting dropped at the PlotWindow stage). Douglas Rudd Scientific Computing Consultant Research Computing Center drudd@uchicago.edumailto:drudd@uchicago.edu On Nov 7, 2014, at 12:58 PM, Nathan Goldbaum mailto:nathan12343@gmail.com> wrote: This is due to implementation details in the PlotWindow class. It would take some refactoring to allow plotting these fields. Patches welcome :) On Fri, Nov 7, 2014 at 10:56 AM Matthew Turk mailto:matthewturk@gmail.com> wrote: Yes, this is frustrating, and I have been bitten by it. On Fri Nov 07 2014 at 12:54:32 PM Douglas Rudd mailto:issues-reply@bitbucket.org> wrote: New issue 937: to_pw silently drops some fields https://bitbucket.org/yt_analysis/yt/issue/937/to_pw-silently-drops-some-fie... Douglas Rudd: to_pw silently drops fields from frb._exclude_fields and _key_fields without notifying the user. ``` #!python

...

...
ds = yt.load("outputs/sedov_000960.art") fields = ["density","temperature","dx"] plot = ds.slice(2, ds.domain_center[2]).to_pw(fields) print plot.fields ['density', 'temperature']


In this case ('index', 'dx') is in both exclusion lists. Any reason I can't plot a slice of my resolution?


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Matthew Turk

9:12 p.m.

Yes, the simple explanation is that fields get added when used in the underlying data source. These fields are used always, when making the image. So without excluding them, they would always be saved to disk. On Fri Nov 07 2014 at 1:11:29 PM Douglas Harvey Rudd wrote:

...

Is there a simple explanation for why they can’t be treated as normal fields and what that refactoring would look like?

SlicePlot suffers from the same issue for the same reason (it’s getting dropped at the PlotWindow stage).

Douglas Rudd Scientific Computing Consultant Research Computing Center drudd@uchicago.edu

On Nov 7, 2014, at 12:58 PM, Nathan Goldbaum wrote:

This is due to implementation details in the PlotWindow class. It would take some refactoring to allow plotting these fields. Patches welcome :) On Fri, Nov 7, 2014 at 10:56 AM Matthew Turk wrote:

...
Yes, this is frustrating, and I have been bitten by it.

On Fri Nov 07 2014 at 12:54:32 PM Douglas Rudd < issues-reply@bitbucket.org> wrote:

...
New issue 937: to_pw silently drops some fields https://bitbucket.org/yt_analysis/yt/issue/937/to_pw- silently-drops-some-fields

Douglas Rudd:

to_pw silently drops fields from frb._exclude_fields and _key_fields without notifying the user.

``` #!python

...
...
ds = yt.load("outputs/sedov_000960.art") fields = ["density","temperature","dx"] plot = ds.slice(2, ds.domain_center[2]).to_pw(fields) print plot.fields ['density', 'temperature']
In this case ('index', 'dx') is in both exclusion lists. Any reason I
can't plot a slice of my resolution?


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Douglas Harvey Rudd

9:14 p.m.

New subject: Issue #937: to_pw silently drops some fields (yt_analysis/yt)

Okay, that makes sense. The override_field attribute looks like an attempt to mark those always-fields as ones that the user really requested, but not fully utilized. Douglas Rudd Scientific Computing Consultant Research Computing Center drudd@uchicago.edumailto:drudd@uchicago.edu On Nov 7, 2014, at 1:12 PM, Matthew Turk mailto:matthewturk@gmail.com> wrote: Yes, the simple explanation is that fields get added when used in the underlying data source. These fields are used always, when making the image. So without excluding them, they would always be saved to disk. On Fri Nov 07 2014 at 1:11:29 PM Douglas Harvey Rudd mailto:drudd@uchicago.edu> wrote: Is there a simple explanation for why they can’t be treated as normal fields and what that refactoring would look like? SlicePlot suffers from the same issue for the same reason (it’s getting dropped at the PlotWindow stage). Douglas Rudd Scientific Computing Consultant Research Computing Center drudd@uchicago.edumailto:drudd@uchicago.edu On Nov 7, 2014, at 12:58 PM, Nathan Goldbaum mailto:nathan12343@gmail.com> wrote: This is due to implementation details in the PlotWindow class. It would take some refactoring to allow plotting these fields. Patches welcome :) On Fri, Nov 7, 2014 at 10:56 AM Matthew Turk mailto:matthewturk@gmail.com> wrote: Yes, this is frustrating, and I have been bitten by it. On Fri Nov 07 2014 at 12:54:32 PM Douglas Rudd mailto:issues-reply@bitbucket.org> wrote: New issue 937: to_pw silently drops some fields https://bitbucket.org/yt_analysis/yt/issue/937/to_pw-silently-drops-some-fie... Douglas Rudd: to_pw silently drops fields from frb._exclude_fields and _key_fields without notifying the user. ``` #!python

...

...
ds = yt.load("outputs/sedov_000960.art") fields = ["density","temperature","dx"] plot = ds.slice(2, ds.domain_center[2]).to_pw(fields) print plot.fields ['density', 'temperature']


In this case ('index', 'dx') is in both exclusion lists. Any reason I can't plot a slice of my resolution?


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Douglas Harvey Rudd
Douglas Rudd
Matthew Turk
Nathan Goldbaum

Issue #937: to_pw silently drops some fields (yt_analysis/yt)

Douglas Rudd

Matthew Turk

Nathan Goldbaum

Douglas Harvey Rudd

Matthew Turk

Douglas Harvey Rudd

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