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Replace deprecated/removed matplotlib.cm.LUTSIZE #515

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Merged
merged 1 commit into from
Sep 21, 2023
Merged

Replace deprecated/removed matplotlib.cm.LUTSIZE #515

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13 changes: 7 additions & 6 deletions nipy/labs/viz_tools/cm.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
try:
from matplotlib import cm as _cm
from matplotlib import colors as _colors
from matplotlib import rcParams as _rc
except ImportError:
skip_if_running_nose('Could not import matplotlib')

Expand Down Expand Up @@ -109,7 +110,7 @@ def alpha_cmap(color, name=''):
(red, green, blue, 1.),
]
cmap = _colors.LinearSegmentedColormap.from_list(
'%s_transparent' % name, cmapspec, _cm.LUTSIZE)
'%s_transparent' % name, cmapspec, _rc['image.lut'])
cmap._init()
cmap._lut[:, -1] = _np.linspace(.5, 1.0, cmap._lut.shape[0])
cmap._lut[-1, -1] = 0
Expand Down Expand Up @@ -159,17 +160,17 @@ def alpha_cmap(color, name=''):
_cmapspec = _cmaps_data[_cmapname]
if 'red' in _cmapspec:
_cmap_d[_cmapname] = _colors.LinearSegmentedColormap(
_cmapname, _cmapspec, _cm.LUTSIZE)
_cmapname, _cmapspec, _rc['image.lut'])
_cmap_d[_cmapname_r] = _cmap_d[_cmapname].reversed(name=_cmapname_r)
else:
_revspec = list(reversed(_cmapspec))
if len(_revspec[0]) == 2: # e.g., (1, (1.0, 0.0, 1.0))
_revspec = [(1.0 - a, b) for a, b in _revspec]

_cmap_d[_cmapname] = _colors.LinearSegmentedColormap.from_list(
_cmapname, _cmapspec, _cm.LUTSIZE)
_cmapname, _cmapspec, _rc['image.lut'])
_cmap_d[_cmapname_r] = _colors.LinearSegmentedColormap.from_list(
_cmapname_r, _revspec, _cm.LUTSIZE)
_cmapname_r, _revspec, _rc['image.lut'])

################################################################################
# A few transparent colormaps
Expand Down Expand Up @@ -207,7 +208,7 @@ def dim_cmap(cmap, factor=.3, to_white=True):
return _colors.LinearSegmentedColormap(
'%s_dimmed' % cmap.name,
cdict,
_cm.LUTSIZE)
_rc['image.lut'])


def replace_inside(outer_cmap, inner_cmap, vmin, vmax):
Expand Down Expand Up @@ -267,6 +268,6 @@ def replace_inside(outer_cmap, inner_cmap, vmin, vmax):
return _colors.LinearSegmentedColormap(
'%s_inside_%s' % (inner_cmap.name, outer_cmap.name),
cdict,
_cm.LUTSIZE)
_rc['image.lut'])