[yt-users] log-linear phase plot

[David Collins]

I've run into this as well. I believe you need to give
add_phase_object the log value by hand, with

x_log=False

Cheers,
d.

On Fri, Sep 30, 2011 at 3:52 PM, Geoffrey So <gsiisg at gmail.com> wrote:
> Just wondering, if FieldOne is already logged, do you still want the limits
> to encompass 1 to 1e10, have you tried something like (1e9,1e10) ?
> From
> G.S.
>
> On Fri, Sep 30, 2011 at 2:37 PM, Wolfram Schmidt
> <schmidt at astro.physik.uni-goettingen.de> wrote:
>>
>> Hi everyone,
>>
>> I defined two fields, say, FieldOne and FieldTwo, to make 2D phase plot.
>> FieldOne is logarithmic by default, FieldTwo is linear (i.e., I set
>> take_log=False in add_field).
>>
>> I want to produce a phase plot with logarithmic bins for FieldOne and
>> linear bins for FieldTwo, where the range of FieldTwo is [-10,10]
>>
>> I thought that
>>
>> pc.add_phase_object(dd, ["FieldOne", "FieldTwo", "CellMass"], weight=None,
>> x_bins=100,y_bins=100, \
>>                    x_bounds=[1e0,1e10], y_bounds=[-10,10])
>>
>> might do the job, but  yt returns the error message:
>>
>> Warning: invalid value encountered in log10
>> yt : [ERROR    ] 2011-09-30 16:55:05,610 Your min/max values for x, y have
>> given me a nan.
>> yt : [ERROR    ] 2011-09-30 16:55:05,610 Usually this means you are asking
>> for log, with a zero bound.
>> Traceback (most recent call last):
>>  File "stability.py", line 352, in <module>
>>    x_bounds=[1e0,1e10], y_bounds=[-10,10])
>>  File
>> "/nics/e/sw/analysis/yt/2.1/sles11.1_gnu4.3.4/src/yt-hg/yt/visualization/plot_collection.py",
>> line 1149, in add_phase_object
>>    lazy_reader)
>>  File
>> "/nics/e/sw/analysis/yt/2.1/sles11.1_gnu4.3.4/src/yt-hg/yt/data_objects/profiles.py",
>> line 408, in __init__
>>    raise ValueError
>> ValueError
>>
>> It appears that add_phase_object treats FieldTwo logarithmically, although
>> it is linear.
>>
>> So how can I do a log-linear phase plot?
>>
>> Best,
>> Wolfram
>> _______________________________________________
>> 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
>
>



-- 
Sent from my computer.