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For profiles where at least one data point is positive I can alter the log-edness once I have the ProfilePlot object using set_log.
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<div class="">Douglas Rudd</div>
<div class="">Scientific Computing Consultant<br class="">
Research Computing Center<br class="">
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<div class=""><a href="mailto:drudd@uchicago.edu" class="">drudd@uchicago.edu</a></div>
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<div class="">On Oct 31, 2014, at 4:18 PM, Douglas Harvey Rudd <<a href="mailto:drudd@uchicago.edu" class="">drudd@uchicago.edu</a>> wrote:</div>
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I believe it only works for axis fields. From the docstrings:
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<div class="">logs : dict of boolean values</div>
<div class=""> Whether or not to log the bin_fields for the profiles.</div>
<div class=""> The keys correspond to the field names. Defaults to the take_log</div>
<div class=""> attribute of the field.</div>
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<div class="">and adding velocity_magnitude to logs generates the same error as before.</div>
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<div class="">Douglas Rudd</div>
<div class="">Scientific Computing Consultant<br class="">
Research Computing Center<br class="">
</div>
<div class=""><a href="mailto:drudd@uchicago.edu" class="">drudd@uchicago.edu</a></div>
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<div class="">On Oct 31, 2014, at 4:10 PM, Nathan Goldbaum <<a href="mailto:nathan12343@gmail.com" class="">nathan12343@gmail.com</a>> wrote:</div>
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<div dir="ltr" class="">What happens if you use the 'logs' keyword for create_profile to control the logging for temperature, velocity_magnitude, and dx?</div>
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<div class="gmail_quote">On Fri, Oct 31, 2014 at 2:08 PM, Douglas Harvey Rudd <span dir="ltr" class="">
<<a href="mailto:drudd@uchicago.edu" target="_blank" class="">drudd@uchicago.edu</a>></span> wrote:<br class="">
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Hi all,<br class="">
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Is there a way to specify the log/non-log scaling of a y-axis variable in create_profile or ProfilePlot.from_profiles? I have some profiles that start flat at an initial time and so the velocity_magnitude is everywhere 0. create_profile succeeds, but ProfilePlot.from_profiles
generates a Matplotlib error before I have the ability to specify a scaling:<br class="">
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sph = ds.sphere(ds.domain_center, ds.domain_width[0]/2)<br class="">
profile = yt.create_profile(sph, "radius",<br class="">
["density", "temperature", "velocity_magnitude", "dx"],<br class="">
extrema={'radius':(ds.domain_width[0]/ds.num_grid,ds.domain_width[0]/2.)},<br class="">
n_bins=int(ds.domain_width[0]*2.**(ds.max_level-1)),<br class="">
logs={'radius':False},<br class="">
units={'radius':'pc'})<br class="">
plot = yt.ProfilePlot.from_profiles(profile)<br class="">
<br class="">
Relevant part of the dump:<br class="">
/software/python-2.7-2014q3-el6-x86_64/lib/python2.7/site-packages/matplotlib-1.4.0-py2.7-linux-x86_64.egg/matplotlib/ticker.pyc in view_limits(self, vmin, vmax)<br class="">
1523 if minpos <= 0 or not np.isfinite(minpos):<br class="">
1524 raise ValueError(<br class="">
-> 1525 "Data has no positive values, and therefore can not be "<br class="">
1526 "log-scaled.")<br class="">
1527<br class="">
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<br class="">
Douglas Rudd<br class="">
Scientific Computing Consultant<br class="">
Research Computing Center<br class="">
<a href="mailto:drudd@uchicago.edu" class="">drudd@uchicago.edu</a><br class="">
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