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Flipped az/alt source and dest

This commit is contained in:
Mark Qvist 2023-10-26 21:45:17 +02:00
parent d599437ea3
commit c7dcf6f3ce
2 changed files with 43 additions and 42 deletions
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83
sbapp/sideband/geo.py
View File

@ -173,7 +173,7 @@ def azalt(c1, c2, ellipsoid=True):
azimuth = None
if (c2rp[2]*c2rp[2]) + (c2rp[1]*c2rp[1]) > 1e-6:
theta = degrees(atan2(c2rp[2], c2rp[1]))
azimuth = 270 - theta
azimuth = 90 - theta
if azimuth < 0: azimuth += 360
if azimuth > 360: azimuth -= 360
azimuth = round(azimuth,4)
@ -290,43 +290,44 @@ def shared_radio_horizon(c1, c2,):
"antenna_distance": antenna_distance
}
def tests():
import RNS
import numpy as np
from geographiclib.geodesic import Geodesic
geod = Geodesic.WGS84
coords = [
[(51.2308, 4.38703, 0.0), (47.699437, 9.268651, 0.0)],
[(51.2308, 4.38703, 0.0), (47.699437, 9.268651, 30.0*1e3)],
# [(51.230800, 4.38703, 0.0), (51.230801, 4.38703, 0.0)],
# [(35.3524, 135.0302, 100), (35.3532,135.0305, 500)],
# [(57.758793, 22.605194, 0.0), (43.048838, -9.241343, 0.0)],
# [(0.0, 0.0, 0.0), (0.0, 0.0, 0.0)],
# [(-90.0, 0.0, 0.0), (90.0, 0.0, 0.0)],
# [(-90.0, 0.0, 0.0), (78.0, 0.0, 0.0)],
# [(0.0, 0.0, 0.0), (0.5, 179.5, 0.0)],
# [(0.7, 0.0, 0.0), (0.0, -180.0, 0.0)],
]
for cs in coords:
c1 = cs[0]; c2 = cs[1]
print("Testing: "+str(c1)+" -> "+str(c2))
us = time.time()
ld = c1+c2; g = geod.Inverse(c1[0], c1[1], c2[0], c2[1])
print("Lib computed in "+str(round((time.time()-us)*1e6, 3))+"us")
us = time.time()
eld = orthodromic_distance(c1,c2,ellipsoid=True)
if eld:
print("Own computed in "+str(round((time.time()-us)*1e6, 3))+"us")
else:
print("Own timed out in "+str(round((time.time()-us)*1e6, 3))+"us")
ed_own = euclidian_distance(c1,c2,ellipsoid=True)
sd_own = orthodromic_distance(c1,c2,ellipsoid=False)
aa = azalt(c1,c2,ellipsoid=True)
fac = 1
if eld: print("LibDiff = "+RNS.prettydistance(g['s12']-eld)+f" {fac*g['s12']-fac*eld}")
print("Spherical = "+RNS.prettydistance(sd_own)+f" {fac*sd_own}")
# print("EllipLib = "+RNS.prettydistance(g['s12'])+f" {fac*g['s12']}")
if eld: print("Ellipsoid = "+RNS.prettydistance(eld)+f" {fac*eld}")
print("Euclidian = "+RNS.prettydistance(ed_own)+f" {fac*ed_own}")
print("AzAlt = "+f" {aa[0]} / {aa[1]}")
print("")
# def tests():
# import RNS
# import numpy as np
# from geographiclib.geodesic import Geodesic
# geod = Geodesic.WGS84
# coords = [
# [(51.2308, 4.38703, 0.0), (47.699437, 9.268651, 0.0)],
# [(51.2308, 4.38703, 0.0), (47.699437, 9.268651, 30.0*1e3)],
# [(0.0, 0.0, 0.0), (0.0, 1.0/60/60, 30.0)],
# # [(51.230800, 4.38703, 0.0), (51.230801, 4.38703, 0.0)],
# # [(35.3524, 135.0302, 100), (35.3532,135.0305, 500)],
# # [(57.758793, 22.605194, 0.0), (43.048838, -9.241343, 0.0)],
# # [(0.0, 0.0, 0.0), (0.0, 0.0, 0.0)],
# # [(-90.0, 0.0, 0.0), (90.0, 0.0, 0.0)],
# # [(-90.0, 0.0, 0.0), (78.0, 0.0, 0.0)],
# # [(0.0, 0.0, 0.0), (0.5, 179.5, 0.0)],
# # [(0.7, 0.0, 0.0), (0.0, -180.0, 0.0)],
# ]
# for cs in coords:
# c1 = cs[0]; c2 = cs[1]
# print("Testing: "+str(c1)+" -> "+str(c2))
# us = time.time()
# ld = c1+c2; g = geod.Inverse(c1[0], c1[1], c2[0], c2[1])
# print("Lib computed in "+str(round((time.time()-us)*1e6, 3))+"us")
# us = time.time()
# eld = orthodromic_distance(c1,c2,ellipsoid=True)
# if eld:
# print("Own computed in "+str(round((time.time()-us)*1e6, 3))+"us")
# else:
# print("Own timed out in "+str(round((time.time()-us)*1e6, 3))+"us")
# ed_own = euclidian_distance(c1,c2,ellipsoid=True)
# sd_own = orthodromic_distance(c1,c2,ellipsoid=False)
# aa = azalt(c1,c2,ellipsoid=True)
# fac = 1
# if eld: print("LibDiff = "+RNS.prettydistance(g['s12']-eld)+f" {fac*g['s12']-fac*eld}")
# print("Spherical = "+RNS.prettydistance(sd_own)+f" {fac*sd_own}")
# # print("EllipLib = "+RNS.prettydistance(g['s12'])+f" {fac*g['s12']}")
# if eld: print("Ellipsoid = "+RNS.prettydistance(eld)+f" {fac*eld}")
# print("Euclidian = "+RNS.prettydistance(ed_own)+f" {fac*ed_own}")
# print("AzAlt = "+f" {aa[0]} / {aa[1]}")
# print("")

2
sbapp/sideband/sense.py
View File

@ -771,7 +771,7 @@ class Location(Sensor):
cs = (slat, slon, salt); cr = (lat, lon, alt)
ed = euclidian_distance(cs, cr)
od = orthodromic_distance(cs, cr)
aa = azalt(cs, cr)
aa = azalt(cr, cs)
ath = angle_to_horizon(cr)
atd = aa[1]-ath
above_horizon = None