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[polygons/osm] Ommitting last node in every way of a connected component since that node is equal to the start node of its neighbor

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Al
2015-11-25 17:09:19 -05:00
parent d6d5eab989
commit a50c971732
1 changed files with 3 additions and 3 deletions
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6
scripts/geodata/osm/osm_admin_boundaries.py
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@@ -63,8 +63,8 @@ class OSMAdminPolygonReader(object):
def node_coordinates(self, coords, indptr, idx):
start_index = indptr[idx] * 2
end_index = indptr[idx + 1] * 2
return zip(coords[start_index:end_index:2],
coords[start_index + 1:end_index:2])
return zip(coords[start_index:end_index - 2:2],
coords[start_index + 1:end_index - 1:2])
def sparse_deps(self, data, indptr, idx):
return [data[i] for i in xrange(indptr[idx], indptr[idx + 1])]
@@ -134,7 +134,7 @@ class OSMAdminPolygonReader(object):
for way_id in component:
way_index = way_indices[way_id]
poly_nodes.extend(self.node_coordinates(self.way_coords, self.way_indptr, way_index))
poly_nodes.extend(self.node_coordinates(self.way_coords, self.way_indptr, way_index)[:-1])
polys.append(poly_nodes)