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Simu: allow Locations to determine distances

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Eric Teunis de Boone 2022-03-24 12:16:14 +01:00
parent 01689f7b7e
commit 03b2ddf117
2 changed files with 15 additions and 3 deletions
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12
simulations/lib/location/location.py
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@ -1,6 +1,12 @@
import numpy as np
from functools import partial
def distance(x1, x2):
"""
Calculate the Euclidean distance between two locations x1 and x2
"""
return np.sqrt( np.sum( (x1 - x2)**2, axis=0) )
class Location:
"""
A location is a point designated by a spatial coordinate x.
@ -20,6 +26,12 @@ class Location:
def __setitem__(self, key, val):
self.x[key] = val
def distance(self, other):
if isinstance(other, Location):
other = other.x
return distance(self.x, other)
# math
def __add__(self, other):
if isinstance(other, Location):

6
simulations/lib/signals/signal.py
View file

@ -43,9 +43,9 @@ class Signal():
raise NotImplementedError
def spatial_time_offset(self, x_f, velocity=None, x_0=None):
def spatial_time_offset(self, x_f, x_0=None, velocity=None):
"""
Calculate the time offset caused by a spatial difference.
Calculate the time offset caused by a spatial distance.
"""
if velocity is None:
velocity = self.velocity
@ -57,7 +57,7 @@ class Signal():
def temporal_time_offset(self, t_f, t_0=None):
"""
Calculate the time offset caused by a temporal difference.
Calculate the time offset caused by a temporal distance.
"""
if t_0 is None:
t_0 = self.t_0