def _number_of_colors_changed(self, value):
if self.lut_mode == 'file':
return
elif self.lut_mode in pylab_luts:
# We can't interpolate these LUTs, as they are defined from a
# table. We hack around this limitation
reverse = self.reverse_lut
lut = pylab_luts[self.lut_mode]
if reverse:
lut = lut[::-1, :]
n_total = len(lut)
if value > n_total:
return
lut = lut[::int(round(n_total/float(value)))]
self.load_lut_from_list(lut.tolist())
else:
lut = self.lut
lut.number_of_table_values = value
lut.modified()
lut.build()
self.render() # necessary to flush.
sc_bar = self.scalar_bar
sc_bar.maximum_number_of_colors = value
sc_bar.modified()
self.render()
def _number_of_colors_changed(self, value):
if self.lut_mode == 'file':
return
elif self.lut_mode in pylab_luts:
# We can't interpolate these LUTs, as they are defined from a
# table. We hack around this limitation
reverse = self.reverse_lut
lut = pylab_luts[self.lut_mode]
if reverse:
lut = lut[::-1, :]
n_total = len(lut)
if value > n_total:
return
lut = lut[::round(n_total / float(value))]
self.load_lut_from_list(lut.tolist())
else:
lut = self.lut
lut.number_of_table_values = value
lut.modified()
lut.build()
self.render() # necessary to flush.
sc_bar = self.scalar_bar
sc_bar.maximum_number_of_colors = value
sc_bar.modified()
self.render()