2025-summer/team-3
12
Fork 0
Code Issues Pull requests Projects Releases Activity

prepare router for routing from points

Browse source
This commit is contained in:
Laura Klünder 2017-11-28 22:02:24 +01:00
parent 4195a1325c
commit 08ec318231
3 changed files with 61 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/c3nav/mapdata/models/geometry/base.py
View file

@ -2,11 +2,11 @@ import math
from collections import OrderedDict
from django.utils.functional import cached_property
from shapely.geometry import LineString, Point, mapping
from shapely.geometry import Point, mapping
from shapely.ops import unary_union
from c3nav.mapdata.models.base import SerializableMixin
from c3nav.mapdata.utils.geometry import assert_multilinestring, assert_multipolygon
from c3nav.mapdata.utils.geometry import assert_multipolygon, good_representative_point
from c3nav.mapdata.utils.json import format_geojson
geometry_affecting_fields = ('height', 'width', 'access_restriction')
@ -58,12 +58,7 @@ class GeometryMixin(SerializableMixin):
@cached_property
def point(self):
c = self.geometry.centroid
x1, y1, x2, y2 = self.geometry.bounds
lines = (tuple(assert_multilinestring(LineString(((x1, c.y), (x2, c.y))).intersection(self.geometry))) +
tuple(assert_multilinestring(LineString(((c.x, y1), (c.x, y2))).intersection(self.geometry))))
return min(lines, key=lambda line: (line.distance(c), line.length),
default=self.geometry.representative_point).centroid
return good_representative_point(self.geometry)
def serialize(self, **kwargs):
result = super().serialize(**kwargs)