[yt-users] sample_colormap

[Mateusz Ruszkowski]

   Hi,

I am trying to do a very simple test of the sample_colormap function:


from yt.mods import *
tf = ColorTransferFunction( (-30.0, -25.0) )
tf.sample_colormap(-27.0, 0.01, 'algae')


and I am getting this error message triggered by the last line above:

Traceback (most recent call last):
  File "layer_test.py", line 9, in <module>
    tf.sample_colormap(-27.0, 0.01, 'algae')
  File
"/home/mateuszr/yt/yt-x86_64/src/yt-hg/yt/visualization/volume_rendering/transfer_functions.py",
line 632, in sample_colormap
    self.add_gaussian(v, w, [r, g, b, alpha])
  File
"/home/mateuszr/yt/yt-x86_64/src/yt-hg/yt/visualization/volume_rendering/transfer_functions.py",
line 404, in add_gaussian
    tf.add_gaussian(location, width, v)
  File
"/home/mateuszr/yt/yt-x86_64/src/yt-hg/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


Am I doing something very silly here or is it a bug?

   Thanks,
     Mateusz
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