* upload new optimal

Author: Joshuaalbert

dsa2000_cal/debug/brad_verify.py

@@ -0,0 +1,62 @@
+import astropy.coordinates as ac
+import astropy.units as au
+import numpy as np
+
+
+def main():
+    lon, lat, height = [], [], []
+
+    with open('brad_verify.txt', 'r') as f:
+        for line in f:
+            if line.startswith('#'):
+                continue
+            if line.strip() == '':
+                continue
+            _, _lon, _lat, _ele = line.split()
+            lon.append(float(_lon))
+            lat.append(float(_lat))
+            height.append(float(_ele))
+
+    antennas = ac.EarthLocation.from_geodetic(lon * au.deg, lat * au.deg, height * au.m)
+    print(antennas)
+
+    solution_file = '/home/albert/Downloads/dsa1650_a_P305_v2.4.6.txt'
+    x, y, z = [], [], []
+    with open(solution_file, 'r') as f:
+        for line in f:
+            if line.startswith('#'):
+                continue
+            if line.strip() == '':
+                continue
+            _x, _y, _z = line.split(',')
+            x.append(float(_x))
+            y.append(float(_y))
+            z.append(float(_z))
+
+    antennas_sol = ac.EarthLocation.from_geocentric(x * au.m, y * au.m, z * au.m)
+    print(antennas_sol)
+
+    # For each antenna in `antennas`, find the closest antenna in `antennas_sol`
+    antennas_itrs = antennas.get_itrs().cartesian.xyz.T
+    antennas_sol_itrs = antennas_sol.get_itrs().cartesian.xyz.T
+    dist = []
+    for i, antenna in enumerate(antennas_itrs):
+        # Calculate the distance to each antenna in antennas_sol
+        distances = np.linalg.norm(antennas_sol_itrs - antenna, axis=1)
+        # Find the index of the closest antenna
+        closest_index = np.argmin(distances)
+        # Print the result
+        print(
+            f"Antenna {i}: Closest antenna in solution is {closest_index} with distance {distances[closest_index]:.2f}")
+        dist.append(distances[closest_index].value)
+
+    # Print the average distance
+    print(f"Average distance: {np.mean(dist):.2f}")
+    # Print the maximum distance
+    print(f"Maximum distance: {np.max(dist):.2f}")
+    # Print the minimum distance
+    print(f"Minimum distance: {np.min(dist):.2f}")
+
+
+if __name__ == '__main__':
+    main()