[yt-users] yet another plot problem!
Kathy Eastwood
kathy.eastwood at nau.edu
Mon Feb 3 13:01:30 PST 2014
Dear yt folks....
This is probably a straightup matplotlib question and not a yt question,
but....it was working until I got to the colorbar, and I am now confused.
Thanks for any help...
kathy
here is the code:
from yt.imods import *
import matplotlib as mpl
import matplotlib.pyplot as plt
#import matplotlib.colorbar as cb
from matplotlib.colors import LogNorm
#import numpy as np
ts = TimeSeriesData.from_filenames("Strat_Box_hdf5_plt_cnt_01*")
padding = 0.05
nx = 5 #number of time series images, plus will need space for vertical
colorbar
ny = 1 #might want to change this later!
#Assuming that all images are the same shape and size
width = nx +1 #I think this is inches, not sure
height = 4
fig = plt.figure(figsize=(width,height),frameon=False)
#Trying to save 0.91 to 0.95 horizontally for the colorbar
sizex = 0.85/nx
sizey = 0.90/ny
haxes = []
for j in range(ny):
haxes.append([])
for i in range(nx):
left = padding + i*sizex
bottom = padding + j*sizey
ax = fig.add_axes([left, bottom, sizex, sizey],frameon=False)
ax.xaxis.set_visible(False)
ax.yaxis.set_visible(False)
haxes[-1].append(ax)
cax = fig.add_axes([0.9, 0.05, 0.04, sizey],frameon=False)
cax.xaxis.set_visible(False)
cax.yaxis.set_visible(False)
for i, pf in enumerate(ts):
sl = pf.h.slice(0, pf.domain_center[0],fields=["Density","Temperature"]
)
frb = sl.to_frb( (1.0, 'kpc'), (4096,1024),height=(4.0, 'kpc'))
dens_axes = [haxes[0][i]]
plots = [dens_axes[0].imshow(frb["Density"], origin='lower',
norm=LogNorm())]
title=[r'$\mathrm{Density}\ (\mathrm{g\ cm^{-3}})$']
orient = 'vertical'
cbar = fig.colorbar(plots,cax=cax, orientation=orient)
cbar.set_label(title)
fig.savefig('ts_test')
Here are the errors:
--------------------------------------------------------------------------AttributeError
Traceback (most recent call
last)<ipython-input-7-e0dcab3d98fe> in <module>() 2 orient =
'vertical' 3 ----> 4 cbar = fig.colorbar(plots,cax=cax,
orientation=orient) 5 cbar.set_label(title) 6
/Users/kde/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-macosx-10.4-x86_64.egg/matplotlib/figure.pyc
in colorbar(self, mappable, cax, ax, use_gridspec, **kw) 1449
cax, kw = cbar.make_axes(ax, **kw) 1450
cax.hold(True)-> 1451 cb = cbar.colorbar_factory(cax,
mappable, **kw) 1452 1453 self.sca(current_ax)
/Users/kde/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-macosx-10.4-x86_64.egg/matplotlib/colorbar.pyc
in colorbar_factory(cax, mappable, **kwargs) 1272 cb =
ColorbarPatch(cax, mappable, **kwargs) 1273 else:-> 1274
cb = Colorbar(cax, mappable, **kwargs) 1275 1276
mappable.callbacksSM.connect('changed', cb.on_mappable_changed)
/Users/kde/yt-x86_64/lib/python2.7/site-packages/matplotlib-1.3.0-py2.7-macosx-10.4-x86_64.egg/matplotlib/colorbar.pyc
in __init__(self, ax, mappable, **kw) 850 # Ensure the
given mappable's norm has appropriate vmin and vmax set 851
# even if mappable.draw has not yet been called.--> 852
mappable.autoscale_None() 853 854 self.mappable =
mappable
AttributeError: 'list' object has no attribute 'autoscale_None'
--
Kathy DeGioia Eastwood, Ph.D.
Professor of Physics and Astronomy
Northern Arizona University
Flagstaff, AZ 86011-6010
Ph: 928-523-7159 FX: 928-523-1371
Kathy.Eastwood at nau.edu
deliveries: 602 S. Humphreys St., Bldg 19 Rm 2
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