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support empty boundary polygons #88

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support empty boundary polygons #88

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8 changes: 8 additions & 0 deletions extremitypathfinder/extremitypathfinder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,14 @@ def store(
"""
self.prepared = False
# loading the map

if boundary_coordinates is None:
min_x = min(coord[0] for hole in list_of_hole_coordinates for coord in hole)
max_x = max(coord[0] for hole in list_of_hole_coordinates for coord in hole)
min_y = min(coord[1] for hole in list_of_hole_coordinates for coord in hole)
max_y = max(coord[1] for hole in list_of_hole_coordinates for coord in hole)
boundary_coordinates = [(min_x, min_y), (max_x, min_y), (max_x, max_y), (min_x, max_y)]

boundary_coordinates = np.array(boundary_coordinates, dtype=configs.DTYPE_FLOAT)
list_of_hole_coordinates = [
np.array(hole_coords, dtype=configs.DTYPE_FLOAT)
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