def rio_get_lat_long(coord):
y = coord[1] * rio_y_factor
x = coord[0] * rio_x_factor
lat = rio_origin_lat_long[0] + (y / EARTH_RADIUS) * (180 / pi)
long = rio_origin_lat_long[1] + (x / EARTH_RADIUS) * (180 / pi) / cos(
rio_origin_lat_long[0] * pi / 180)
return (lat, long)
def delhi_get_lat_long(coord):
y = coord[1] * delhi_y_factor
x = coord[0] * delhi_x_factor
lat = delhi_origin_lat_long[0] + (y / EARTH_RADIUS) * (180 / pi)
long = delhi_origin_lat_long[1] + (x / EARTH_RADIUS) * (180 / pi) / cos(
delhi_origin_lat_long[0] * pi / 180)
return (lat, long)
def hyderabad_get_lat_long(coord):
y = coord[1] * hyperbad_y_factor
x = coord[0] * hyperbad_x_factor
lat = hyderabad_origin_lat_long[0] + (y / EARTH_RADIUS) * (180 / pi)
long = hyderabad_origin_lat_long[1] + (x / EARTH_RADIUS) * (
180 / pi) / cos(hyderabad_origin_lat_long[0] * pi / 180)
return (lat, long)
def get_pixel_coords(city, coord):
if city == 'rio':
y = (coord[0] - rio_origin_lat_long[0]) / (180 / pi) * EARTH_RADIUS
x = (coord[1] - rio_origin_lat_long[1]) * cos(
rio_origin_lat_long[0] * pi / 180) / (180 / pi) * EARTH_RADIUS
x = int(np.round(x / rio_x_factor))
y = int(np.round(y / rio_y_factor))
if x < 0:
x = 0
if y < 0:
y = 0
if x > rio_edge_coords[1] - 1:
x = rio_edge_coords[1] - 1
if y > rio_edge_coords[0] - 1:
y = rio_edge_coords[0] - 1
return (x, y)
elif city == 'mumbai':
y = (coord[0] - mumbai_origin_lat_long[0]) / (180 / pi) * EARTH_RADIUS
x = (coord[1] - mumbai_origin_lat_long[1]) * cos(
mumbai_origin_lat_long[0] * pi / 180) / (180 / pi) * EARTH_RADIUS
x = int(np.round(x / mumbai_x_factor))
y = int(np.round(y / mumbai_y_factor))
if x < 0:
x = 0
if y < 0:
y = 0
if x > mumbai_edge_coords[1] - 1:
x = mumbai_edge_coords[1] - 1
if y > mumbai_edge_coords[0] - 1:
y = mumbai_edge_coords[0] - 1
return (x, y)
elif city == 'hyderabad':
y = (coord[0] - hyderabad_origin_lat_long[0]) / (180 /
pi) * EARTH_RADIUS
x = (coord[1] - hyderabad_origin_lat_long[1]) * cos(
hyderabad_origin_lat_long[0] * pi / 180) / (180 /
pi) * EARTH_RADIUS
x = int(np.round(x / hyderabad_x_factor))
y = int(np.round(y / hyderabad_y_factor))
if x < 0:
x = 0
if y < 0:
y = 0
if x > hyderabad_edge_coords[1] - 1:
x = hyderabad_edge_coords[1] - 1
if y > hyderabad_edge_coords[0] - 1:
y = hyderabad_edge_coords[0] - 1
return (x, y)
elif city == 'chennai':
y = (coord[0] - chennai_origin_lat_long[0]) / (180 / pi) * EARTH_RADIUS
x = (coord[1] - chennai_origin_lat_long[1]) * cos(
chennai_origin_lat_long[0] * pi / 180) / (180 / pi) * EARTH_RADIUS
x = int(np.round(x / chennai_x_factor))
y = int(np.round(y / chennai_y_factor))
if x < 0:
x = 0
if y < 0:
y = 0
if x > chennai_edge_coords[1] - 1:
x = chennai_edge_coords[1] - 1
if y > chennai_edge_coords[0] - 1:
y = chennai_edge_coords[0] - 1
return (x, y)
elif city == 'delhi':
y = (coord[0] - delhi_origin_lat_long[0]) / (180 / pi) * EARTH_RADIUS
x = (coord[1] - delhi_origin_lat_long[1]) * cos(
delhi_origin_lat_long[0] * pi / 180) / (180 / pi) * EARTH_RADIUS
x = int(np.round(x / delhi_x_factor))
y = int(np.round(y / delhi_y_factor))
if x < 0:
x = 0
if y < 0:
y = 0
if x > delhi_edge_coords[1] - 1:
x = delhi_edge_coords[1] - 1
if y > delhi_edge_coords[0] - 1:
y = delhi_edge_coords[0] - 1
return (x, y)
else:
print(
"Error Invalid City, Valid Cities are rio, mumbai, delhi, chennai, and hyderabad"
)
