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Update dem_sampling_algorithms.py #39

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c0e8a3a
Update dem_sampling_algorithms.py
Overmeen May 28, 2025
82d3c0b
Update dem_sampling_algorithms.py
Overmeen Jun 10, 2025
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14 changes: 12 additions & 2 deletions threedi_beta_processing/dem_sampling_algorithms.py
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Original file line number Diff line number Diff line change
Expand Up @@ -68,6 +68,11 @@
ogr.UseExceptions()
gdal.UseExceptions()

def safe_float(val):
try:
return float(val)
except (TypeError, ValueError):
return np.nan

def cross_section_max_width(shape: int, width: float, table: str):
if shape in [0, 1, 2, 3]:
Expand Down Expand Up @@ -783,9 +788,14 @@ def processAlgorithm(self, parameters, context, feedback):
)):
if feedback.isCanceled():
break
crest_level_right = np.nan if feature[dem_sampler.target_field_idx] is None else feature[dem_sampler.target_field_idx]
crest_level_left = np.nan if crest_levels_left[i] is None else crest_levels_left[i]
right_val = feature.attribute(dem_sampler.target_field_idx)
left_val = crest_levels_left[i]

crest_level_right = safe_float(right_val)
crest_level_left = safe_float(left_val)

crest_level_fid_dict[feature[0]] = float(np.nanmin([crest_level_right, crest_level_left]))

feedback.setProgress(50 + int(i/2 * total))

for source_feature in cross_section_locations_layer.getFeatures():
Expand Down