coordinate distance functions

This commit is contained in:
Khalim Conn-Kowlessar 2023-06-17 11:47:17 +01:00
parent 0fa3c29253
commit 1577d90263
2 changed files with 58 additions and 2 deletions

View file

@ -5,9 +5,12 @@ logger = setup_logger()
class OpenUprnClient:
COLUMN_NAMES = [
"""
Specs for this dataset can be found here:
https://www.ordnancesurvey.co.uk/documents/product-support/tech-spec/open-uprn-techspec-v1.pdf
"""
]
# TODO: Document this
def __init__(self, path, uprns):
self.path = path

View file

@ -165,3 +165,56 @@ def handler():
# DATE_K_TYP
# DATE_ENTER
# AGS_LOG_UR
from pyproj import Proj, transform, Geod
def distance_between_coords(longitude, latitude, x_bng, y_bng):
# Define the projections
wgs84 = Proj(init='epsg:4326') # WGS84 (longitude, latitude)
bng = Proj(init='epsg:27700') # British National Grid
# Convert (longitude, latitude) to BNG coordinates
x, y = transform(wgs84, bng, longitude, latitude)
# Define a geographic measure object
g = Geod(ellps='WGS84')
# Calculate the distance between the points
# Note: Pyproj's 'Geod.inv' method returns azimuths and distance.
# We're only interested in distance here, so we only keep the third result
_, _, distance = g.inv(x, y, x_bng, y_bng)
return distance
def distance_between_bng_coords(x1_bng, y1_bng, x2_bng, y2_bng):
# Define a geographic measure object
g = Geod(ellps='airy') # Airy ellipsoid is used by the British National Grid
# Calculate the distance between the points
# Note: Pyproj's 'Geod.inv' method returns azimuths and distance.
# We're only interested in distance here, so we only keep the third result
_, _, distance = g.inv(x1_bng, y1_bng, x2_bng, y2_bng)
return distance
import math
import math
def distance_between_bng_coords(x1_bng, y1_bng, x2_bng, y2_bng):
# Calculate the Euclidean distance between the points
distance_m = math.sqrt((x2_bng - x1_bng) ** 2 + (y2_bng - y1_bng) ** 2)
distance_km = distance_m / 1000 # convert meters to kilometers
return distance_m, distance_km
property = input_properties[0]
borehold_compare_to = borehole_data[0]
dist_m, dist_km = distance_between_bng_coords(
x1_bng=property.coordinates["x_coordinate"],
y1_bng=property.coordinates["y_coordinate"],
x2_bng=borehold_compare_to["X"],
y2_bng=borehold_compare_to["Y"],
)
# ground source heat pump.