[yt-users] colorbar labels
Aaron Smith
asmith at astro.as.utexas.edu
Tue Nov 18 13:18:51 PST 2014
Hi Desika,
I'll just add one thing. If you want to know the min and max values of
the colorbar you can access the matplotlib values with:
temp_plot = slc.plots['temperature']
print '(vmin, vmax) =', (temp_plot.cb.norm.vmin, temp_plot.cb.norm.vmax)
Cheers,
Aaron
On 11/18/14, 3:01 PM, Nathan Goldbaum wrote:
> Hi Desika
>
> By default, slices of the temperature field are log-scaled. It looks
> like there is less than one order of magnitude in temperature
> variation, so no colorbar tick labels are showing up.
>
> You will likely have better results if you switch to linear colorbar
> scaling:
>
> slc.set_log('temperature', False)
>
> If you switch to the latest dev version (what will be the upcoming yt
> 3.1 release) you should have minor tick marks on your plot.
>
> Here's an example I just whipped up:
>
> http://nbviewer.ipython.org/gist/ngoldbaum/f3424a7307baeb050c61
>
> HTH,
>
> Nathan
>
>
>
>
> On Tue Nov 18 2014 at 12:42:37 PM Desika Narayanan
> <dnarayan at haverford.edu <mailto:dnarayan at haverford.edu>> wrote:
>
> Hi All,
>
> I have a slice plot that I make with the simple:
>
> slc = SlicePlot(pf,'z',('gas','temperature'))
> slc.zoom(5)
> slc.save('junk2.png')
>
> and produces this (it's super ugly but not the point :) ):
> http://i.imgur.com/j9H4imp.png
>
> I can't figure out how to get the colorbar to reveal the numbers
> that the colors correspond to. Is there an obvious solution?
>
> thanks
> -d
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