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This commit is contained in:
Alireza Adli 2024-08-27 13:30:33 -04:00
parent e58710e892
commit bd2a523f46
1 changed files with 30 additions and 6 deletions
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36
varennes_single_processes/add_height_to_nrcan.py
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@ -37,11 +37,35 @@ varennes_nrcan.delete_field('min_x')
varennes_nrcan.delete_field('min_y')
varennes_nrcan.delete_field('max_x')
varennes_nrcan.delete_field('max_y')
varennes_nrcan.delete_field('comment')
varennes_nrcan.layer.startEditing()
# varennes_nrcan_duplicate.delete_field('heightmin')
# varennes_nrcan_duplicate.delete_field('heightmax')
# varennes_nrcan_duplicate.delete_field('elevmin')
# varennes_nrcan_duplicate.delete_field('elevmax')
# varennes_nrcan_duplicate.delete_field('bldgarea')
# varennes_nrcan_duplicate.delete_field('comment')
# Add a new field for the height
weighted_height = QgsField('building_height', QVariant.Double)
varennes_nrcan.layer.dataProvider().addAttributes([weighted_height])
varennes_nrcan.layer.updateFields()
height_min_idx = varennes_nrcan.layer.fields().indexOf('heightmin')
height_max_idx = varennes_nrcan.layer.fields().indexOf('heightmax')
weighted_height_idx = varennes_nrcan.layer.fields().indexOf('ave_height')
# Iterate through each feature and calculate the average weighted height
for feature in varennes_nrcan.layer.getFeatures():
height_min = feature[height_min_idx]
height_max = feature[height_max_idx]
if height_min is not None and height_max is not None:
average_value = (2/3 * height_min + 1/3 * height_max)
else:
average_value = None
# Update the new field with the calculated average
varennes_nrcan.layer.changeAttributeValue(
feature.id(), weighted_height_idx, average_value)
# Commit the changes
varennes_nrcan.layer.commitChanges()
print('Average weighted height calculation (ave_height)'
' for buildings completed successfully!')