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Issue #84: make connections scale insensitive.

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This commit is contained in:
Sergey Vartanov 2021-09-19 08:36:00 +03:00
parent 46d0f96303
commit 103fe5377d
3 changed files with 8 additions and 7 deletions
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11
map_machine/road.py
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@ -496,6 +496,10 @@ class Connector:
self.index_1: int = index_1
self.index_2: int = index_2
length: float = abs(road_2.width - road_1.width) * scale
road_1.line.shorten(index_1, length)
road_2.line.shorten(index_2, length)
node: OSMNode = road_1.nodes[index_1]
point: np.ndarray = flinger.fling(node.coordinates)
@ -560,11 +564,6 @@ class Roads:
if road.layer not in layered_roads:
layered_roads[road.layer] = []
layered_roads[road.layer].append(road)
for index in 0, -1:
id_: int = road.nodes[index].id_
if len(self.connections[id_]) != 2:
continue
road.line.shorten(index)
for id_ in self.connections:
if len(self.connections[id_]) != 2:
@ -572,6 +571,8 @@ class Roads:
connected: list[tuple[Road, int]] = self.connections[id_]
road_1, index_1 = connected[0]
road_2, index_2 = connected[1]
if road_1.width == road_2.width:
continue
connector: Connector = Connector(
road_1, index_1, road_2, index_2, flinger, scale
)

4
map_machine/vector.py
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@ -62,12 +62,12 @@ class Polyline:
path: str = "M " + " L ".join(f"{x[0]},{x[1]}" for x in points)
return path + (" Z" if np.allclose(points[0], points[-1]) else "")
def shorten(self, index: int) -> None:
def shorten(self, index: int, length: float) -> None:
"""Make shorten part specified with index."""
index_2: int = 1 if index == 0 else -2
diff: np.ndarray = self.points[index_2] - self.points[index]
self.points[index] = (
self.points[index] + diff / np.linalg.norm(diff) * 5
self.points[index] + diff / np.linalg.norm(diff) * length
)