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

implement AltitudeArea.get_altitudes() for multiple points

Browse source
This commit is contained in:
Laura Klünder 2024-08-17 21:18:18 +02:00
parent 732cd8a4ea
commit 27ba0c0eaa
1 changed files with 19 additions and 13 deletions
Download patch file Download diff file Expand all files Collapse all files

32
src/c3nav/mapdata/models/geometry/level.py
View file

@ -208,23 +208,29 @@ class AltitudeArea(LevelGeometryMixin, models.Model):
def get_altitudes(self, points): def get_altitudes(self, points):
points = np.asanyarray(points).reshape((-1, 2)) points = np.asanyarray(points).reshape((-1, 2))
if self.altitude2 is None: if self.altitude is not None:
return np.full((points.shape[0], ), fill_value=float(self.altitude)) return np.full((points.shape[0],), fill_value=float(self.altitude))
slope = np.array(self.point2.coords) - np.array(self.point1.coords) if len(self.points) == 1:
distances = (np.sum(((points - np.array(self.point1.coords)) * slope), axis=1) / (slope ** 2).sum()).clip(0, 1) raise ValueError
if self.altitude2 < self.altitude: max_altitude = max(p.altitude for p in self.points)
min_altitude = float(self.altitude2) min_altitude = min(p.altitude for p in self.points)
max_altitude = float(self.altitude)
if len(self.points) == 2:
slope = np.array(self.points[1].coordinates) - np.array(self.points[0].coordinates)
distances = (
(np.sum(((points - np.array(self.points[0].coordinates)) * slope), axis=1)
/ (slope ** 2).sum()).clip(0, 1)
)
altitudes = self.points[0].altitude + distances*(self.points[1].altitude-self.points[0].altitude)
else: else:
min_altitude = float(self.altitude) altitudes = RBFInterpolator(
max_altitude = float(self.altitude2) np.array([p.coordinates for p in self.points]),
np.array([p.altitude for p in self.points])
)(points)
return np.clip( return np.clip(altitudes, a_min=min_altitude, a_max=max_altitude)
float(self.altitude) + distances*(float(self.altitude2)-float(self.altitude)),
a_min=min_altitude, a_max=max_altitude
)
@classmethod @classmethod
def recalculate(cls): def recalculate(cls):