[yt-users] ProfilePlot in YT-3.0

[Nathan Goldbaum]

On Sunday, September 28, 2014, John Regan <johnanthonyregan at gmail.com>
wrote:

> Hi Nathan,
>
> Thanks for that. I'll have a look at what helper functions would be useful
> as I use the ProfilePlot routine and I can issue a PR then. I think it
> would be worth updating the docs with info like you just sent me.
>

Again, please feel free to open a pull request.


>
> Cheers,
> John
>
> On Sun, Sep 28, 2014 at 11:17 AM, Nathan Goldbaum <nathan12343 at gmail.com
> <javascript:_e(%7B%7D,'cvml','nathan12343 at gmail.com');>> wrote:
>
>> Hi John,
>>
>> ProfilePlot is a wrapper around the Profile1D class, which calculates and
>> stores the histograms.  To access the underlying data you need to access
>> the profile object via the profiles attribute of the ProfilePlot:
>>
>> import yt
>> ds = yt.load('IsolatedGalaxy/galaxy0030/galaxy0030')
>> plot = yt.ProfilePlot(ds.all_data(), 'radius', 'density')
>> profile = plot.profiles[0]
>> print profile.x_field, profile.x
>> print profile.field_data.keys(), profile['density']
>>
>> There are probably a number of ways that the current API can be improved
>> to make it more straightforward to access this data.  PRs along this front
>> would be very welcome, I think.
>>
>> -Nathan
>>
>> On Sun, Sep 28, 2014 at 1:05 AM, John Regan <johnanthonyregan at gmail.com
>> <javascript:_e(%7B%7D,'cvml','johnanthonyregan at gmail.com');>> wrote:
>>
>>> HI All,
>>>
>>> Is there an easy way to access the x_field and the y_fields in the
>>> ProfilePlot function?
>>>
>>> So for example
>>>
>>> prof = ProfilePlot(sphere, "radius", "density")
>>>
>>>
>>> print prof.x_field
>>> print prof.y_field[0]
>>>
>>> I inserted a couple of hack functions into the ProfilePlot class to
>>> return the x_field and the .items() tuple but there is probably a better
>>> way?
>>>
>>> John
>>>
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>>
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