Aquila-Consortium/map2map
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Fix slice figures with many zeros

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the bug was triggered when many pixels are zero valued:
taking log of 0 in quantize()
This commit is contained in:
Yin Li 2021-05-19 17:31:49 -04:00
parent eccbd68f03
commit b7a97bbcdc
1 changed files with 2 additions and 2 deletions
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4
map2map/utils/figures.py
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@ -62,12 +62,12 @@ def plt_slices(*fields, size=64, title=None, cmap=None, norm=None, **kwargs):
w1, w2 = (h1 - l1) / 2, (h2 - l2) / 2
if all_non_neg:
if h1 > 0.1 * h2:
if h1 > 0.1 * h2 or l2 == 0:
norm_col = Normalize(vmin=0, vmax=quantize(h2))
else:
norm_col = LogNorm(vmin=quantize(l2), vmax=quantize(h2))
elif all_non_pos:
if l1 < 0.1 * l2:
if l1 < 0.1 * l2 or h2 == 0:
norm_col = Normalize(vmin=-quantize(-l2), vmax=0)
else:
norm_col = SymLogNorm(linthresh=quantize(-h2),