[yt-users] volume rendering colorbar issue

Stephanie Tonnesen stonnes at gmail.com
Tue Aug 11 23:44:24 PDT 2015


Yeah, I cant figure out where it is being set either--I am certainly not
consciously setting it in my script!  I will look into it more tomorrow.
Thanks,

Stephanie

--
Dr. Stephanie Tonnesen
Alvin E. Nashman Postdoctoral Fellow
Carnegie Observatories, Pasadena, CA
stonnes at gmail.com

On Tue, Aug 11, 2015 at 10:16 PM, Nathan Goldbaum <nathan12343 at gmail.com>
wrote:

> You can get a nice LaTeX rendering of the units for any YTarray or
> YTQuantity like so:
>
> In [9]: from yt.units import g,cm
>
> In [10]: g/cm**3
> Out[10]: 1.0 g/cm**3
>
> In [11]: type(g/cm**3)
> Out[11]: yt.units.yt_array.YTQuantity
>
> In [12]: (g/cm**3).units.latex_representation()
> Out[12]: '\\frac{\\rm{g}}{\\rm{cm}^{3}}'
>
> I'm not sure where in the code the colorbar unit is getting generated, but
> right now it's displaying str(unit) instead of
> str(unit.latex_representation()).
>
> Hope that helps,
>
> Nathan
>
> On Wed, Aug 12, 2015 at 12:05 AM, Stephanie Tonnesen <stonnes at gmail.com>
> wrote:
>
>> Dear Michael,
>>
>> That did the trick!  Thanks very much!  Since that worked so well, is
>> there a way I can get the density units to look a bit nicer (actually have
>> the "3" superscript instead of "cm**3"?)  Thanks again,
>>
>> Stephanie
>>
>> --
>> Dr. Stephanie Tonnesen
>> Alvin E. Nashman Postdoctoral Fellow
>> Carnegie Observatories, Pasadena, CA
>> stonnes at gmail.com
>>
>> On Tue, Aug 11, 2015 at 2:06 PM, Cameron Hummels <chummels at gmail.com>
>> wrote:
>>
>>> I don't believe Stephanie is using the new VR interface for this problem.
>>>
>>> On Tue, Aug 11, 2015 at 2:04 PM, Michael Zingale <
>>> michael.zingale at stonybrook.edu> wrote:
>>>
>>>> A while back I added a label_fmt argument to save_annotated:
>>>>
>>>>         label_fmt : str, optional
>>>>
>>>>            A format specifier (e.g., label_fmt="%.2g") to use in
>>>> formatting
>>>>            the data values that label the transfer function colorbar.
>>>>
>>>>
>>>> this fixed the values for me so they look reasonable.
>>>>
>>>> Note: I don't think any of this has made it over to the new VR
>>>> interface.
>>>>
>>>> On Tue, Aug 11, 2015 at 2:42 PM, Stephanie Tonnesen <stonnes at gmail.com>
>>>> wrote:
>>>>
>>>>> Hi yt-users,
>>>>>
>>>>> My last attempt was too big to make it to the user list, so I will try
>>>>> again!
>>>>> I am trying to make a volume rendering using
>>>>> ---
>>>>> Version = 3.2-dev
>>>>> Changeset = dc2467c4eae7 (yt) tip
>>>>> ---
>>>>> and basically following this example:
>>>>>
>>>>> http://bender.astro.sunysb.edu/random/vol_rotate.py
>>>>>
>>>>> My problem is that the units are wonky on my colorbar.  I input them
>>>>> in my transfer function as cgs, and the peaks seem to be in the right place
>>>>> based on my input range and sample values.  Can I get the colorbar to
>>>>> present the density values in cgs?  You can see the colorbar and the code
>>>>> attached.
>>>>>
>>>>> Oh, I had to add in the line
>>>>> matplotlib.use('pdf')
>>>>> because I was getting a _tkinter can't find your screen error
>>>>> everytime I tried to add the colorbar.  I think it was a matplotlib with my
>>>>> computer problem.
>>>>>
>>>>> Thanks!
>>>>>
>>>>> Stephanie
>>>>> --
>>>>> Dr. Stephanie Tonnesen
>>>>> Alvin E. Nashman Postdoctoral Fellow
>>>>> Carnegie Observatories, Pasadena, CA
>>>>> stonnes at gmail.com
>>>>>
>>>>> _______________________________________________
>>>>> yt-users mailing list
>>>>> yt-users at lists.spacepope.org
>>>>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> 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
>>>> github: http://github.com/zingale
>>>>
>>>>
>>>> _______________________________________________
>>>> yt-users mailing list
>>>> yt-users at lists.spacepope.org
>>>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>>>
>>>>
>>>
>>>
>>> --
>>> Cameron Hummels
>>> NSF Postdoctoral Fellow
>>> Department of Astronomy
>>> California Institute of Technology
>>> http://chummels.org
>>>
>>> _______________________________________________
>>> yt-users mailing list
>>> yt-users at lists.spacepope.org
>>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>>
>>>
>>
>> _______________________________________________
>> yt-users mailing list
>> yt-users at lists.spacepope.org
>> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>>
>>
>
> _______________________________________________
> yt-users mailing list
> yt-users at lists.spacepope.org
> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.spacepope.org/pipermail/yt-users-spacepope.org/attachments/20150811/28a39614/attachment.htm>


More information about the yt-users mailing list