New issue 748: ColorTransferFunction.sample_colormap has erroneous docstring https://bitbucket.org/yt_analysis/yt/issue/748/colortransferfunctionsample_c... Kacper Kowalik: As reported on [yt-users ml](http://lists.spacepope.org/pipermail/yt-users- spacepope.org/2013-December/004535.html) by Mateusz Ruszkowski, current docstring for `ColorTransferFunction.sample_colormap`: ```` #!python

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tf = ColorTransferFunction( (-10.0, -5.0) ) tf.sample_colormap(-7.0, 0.01, 'algae')

yields:

#!bash Traceback (most recent call last): File "layer_test.py", line 9, in <module> tf.sample_colormap(-27.0, 0.01, 'algae') File "yt/visualization/volume_rendering/transfer_functions.py", line 632, in sample_colormap self.add_gaussian(v, w, [r, g, b, alpha]) File "yt/visualization/volume_rendering/transfer_functions.py", line 404, in add_gaussian tf.add_gaussian(location, width, v) File "yt/visualization/volume_rendering/transfer_functions.py", line 81, in add_gaussian vals = height * np.exp(-(self.x - location)**2.0/width) TypeError: only integer arrays with one element can be converted to an index ```` Responsible: xarthisius