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Fix matplotlib>=3.9 compatibility: replace removed plt.cm.get_cmap #205

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Merged
CameronBodine merged 1 commit into from
Jul 31, 2026
Merged

Fix matplotlib>=3.9 compatibility: replace removed plt.cm.get_cmap #205

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2 changes: 1 addition & 1 deletion pingmapper/class_mapSubstrateObj.py
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Original file line number Diff line number Diff line change
Expand Up @@ -880,7 +880,7 @@ def _pltSubClass(self, map_class_method, chunk, npz, spdCor=1, maxCrop=0, probs=
ax.imshow(son, cmap='gray')

# Prepare color map
color_map = plt.cm.get_cmap('viridis')
color_map = plt.get_cmap('viridis')

im = ax.imshow(c, cmap=color_map, alpha=0.5, vmin=minSoft, vmax=maxSoft)
ax.axis('off')
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10 changes: 5 additions & 5 deletions pingmapper/class_rectObj.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1968,7 +1968,7 @@ def _rectSonHeading(self, df: pd.DataFrame, chunk, son=True, wgs=False, interpol
use_uint8_rgb = self._export_colormap_as_uint8()
if source_scale_bounds is not None:
norm_data = self._normalize_with_bounds(sonRect_raw16, source_scale_bounds[0], source_scale_bounds[1])
cmap = plt.cm.get_cmap(self.son_colorMap_name)(norm_data)
cmap = plt.get_cmap(self.son_colorMap_name)(norm_data)
if use_uint8_rgb:
sonRect_out = np.clip(cmap[:, :, :3] * 255.0, 0, 255).astype(np.uint8)
else:
Expand Down Expand Up @@ -2769,9 +2769,9 @@ def _rectSonRubber(self,
if source_scale_bounds is not None:
norm_data = self._normalize_with_bounds(out16_raw, source_scale_bounds[0], source_scale_bounds[1])
if use_uint8_rgb:
out16 = np.clip(plt.cm.get_cmap(self.son_colorMap_name)(norm_data)[:, :, :3] * 255.0, 0, 255).astype(np.uint8)
out16 = np.clip(plt.get_cmap(self.son_colorMap_name)(norm_data)[:, :, :3] * 255.0, 0, 255).astype(np.uint8)
else:
out16 = np.clip(plt.cm.get_cmap(self.son_colorMap_name)(norm_data)[:, :, :3] * 65535.0, 0, 65535).astype(np.uint16)
out16 = np.clip(plt.get_cmap(self.son_colorMap_name)(norm_data)[:, :, :3] * 65535.0, 0, 65535).astype(np.uint16)
valid_mask = out16_raw > 0
out16[valid_mask] = np.maximum(out16[valid_mask], 1)
else:
Expand Down Expand Up @@ -2914,9 +2914,9 @@ def _rectSonRubber(self,
if source_scale_bounds is not None:
norm_data = self._normalize_with_bounds(out16_raw, source_scale_bounds[0], source_scale_bounds[1])
if use_uint8_rgb:
out16 = np.clip(plt.cm.get_cmap(self.son_colorMap_name)(norm_data)[:, :, :3] * 255.0, 0, 255).astype(np.uint8)
out16 = np.clip(plt.get_cmap(self.son_colorMap_name)(norm_data)[:, :, :3] * 255.0, 0, 255).astype(np.uint8)
else:
out16 = np.clip(plt.cm.get_cmap(self.son_colorMap_name)(norm_data)[:, :, :3] * 65535.0, 0, 65535).astype(np.uint16)
out16 = np.clip(plt.get_cmap(self.son_colorMap_name)(norm_data)[:, :, :3] * 65535.0, 0, 65535).astype(np.uint16)
valid_mask = out16_raw > 0
out16[valid_mask] = np.maximum(out16[valid_mask], 1)
else:
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2 changes: 1 addition & 1 deletion pingmapper/class_sonObj.py
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Expand Up @@ -1872,7 +1872,7 @@ def _prepare_export_uint16_display(self, data):
return out

def _colorize_array_batched(self, norm_data, valid_mask, cmap_name, scale_max, out_dtype):
cmap = plt.cm.get_cmap(cmap_name)
cmap = plt.get_cmap(cmap_name)
height, width = norm_data.shape
out = np.zeros((height, width, 3), dtype=out_dtype)

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2 changes: 1 addition & 1 deletion pingmapper/class_sonObj_nadirgaptest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1500,7 +1500,7 @@ def _writeTilesPlot(self,
# plt.savefig(outfile)

norm_data = data / 255.0
colored_data = plt.cm.get_cmap(self.sonogram_colorMap)(norm_data)
colored_data = plt.get_cmap(self.sonogram_colorMap)(norm_data)
colored_data = (colored_data[:, :, :3] * 255).astype('uint8')
data = colored_data

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