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more stuff better cut

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This commit is contained in:
Laura Klünder 2017-11-13 22:38:49 +01:00
parent 01efedc860
commit f8e75584d9
3 changed files with 19 additions and 16 deletions
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2
src/c3nav/mapdata/utils/geometry.py
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@ -132,7 +132,7 @@ def cut_line_with_point(line: LineString, point: Point):
LineString(pointlist + line.coords[i+(1 if subdistance == distance else 0):]))
def cut_polygon_with_line(polygon: Polygon, line: LineString):
def cut_polygon_with_line(polygon: Union[Polygon, MultiPolygon], line: LineString):
orig_polygon = polygon
polygons = (orient(polygon) for polygon in assert_multipolygon(polygon))
polygons: List[List[LinearRing]] = [[polygon.exterior, *polygon.interiors] for polygon in polygons]