Start ellipsoid class

api/main.py

@@ -30,7 +30,7 @@ associators = [
 #   {"name": "Ellipsoid Parametric (Arc Length)", "id": "ellipsoid-parametric-arc"}
 # ]
 coordregs = [
-  {"name": "Ellipse Parametric", "id": "ellipse-parametric"}
+  {"name": "Ellipsoid Parametric", "id": "ellipsoid-parametric"}
 ]
 
 adsbs = [

event/algorithm/coordreg/EllipsoidParametric.py

@@ -1,13 +1,15 @@
 """
-@file EllipseParametric.py
+@file EllipsoidParametric.py
 @author 30hours
 """
 
-class EllipseParametric:
+from data.Ellipsoid import Ellipsoid
+
+class EllipsoidParametric:
 
     """
-    @class EllipseParametric
-    @brief A class for intersecting ellipses using a parametric approx.
+    @class EllipsoidParametric
+    @brief A class for intersecting ellipsoids using a parametric approx.
     @details Uses associated detections from multiple radars.
     @see blah2 at https://github.com/30hours/blah2.
     """
@@ -15,14 +17,14 @@ class EllipseParametric:
     def __init__(self):
 
         """
-        @brief Constructor for the EllipseParametric class.
+        @brief Constructor for the EllipsoidParametric class.
         """
 
     def process(self, assoc_detections, radar_data):
 
         """
-        @brief Perform coord registration using the ellipse parametric method.
-        @details Generate a (non arc-length) parametric ellipse for each node.
+        @brief Perform coord registration using the ellipsoid parametric method.
+        @details Generate a (non arc-length) parametric ellipsoid for each node.
         Find 
         @param radar_detections (str): JSON of blah2 radar detections.
         @param adsb_detections (str): JSON of adsb2dd truth detections.
@@ -32,5 +34,4 @@ class EllipseParametric:
         output = {}
 
         return output
-
         

event/data/Ellipsoid.py

@@ -0,0 +1,52 @@
+"""
+@file Ellipsoid.py
+@author 30hours
+"""
+
+import math
+
+class Ellipsoid:
+
+    """
+    @class Ellipsoid
+    @brief A class to store ellipsoid parameters for bistatic radar.
+    @details Stores foci, midpoint, pitch, yaw and distance.
+    Able to generate samples through public functions.
+    """
+
+    def __init__(self, f1, f2, name):
+
+        """
+        @brief Constructor for the Ellipsoid class.
+        """
+
+        self.f1 = f1
+        self.f2 = f2
+        self.name = name
+
+        self.midpoint = [(f1[0]+f2[0])/2, 
+          (f1[1]+f2[1])/2, (f1[2]+f2[2])/2]
+        vector = (f2[0]-f1[0], f2[1]-f1[1], f2[2]-f1[2])
+        self.yaw = math.atan2(vector[1], vector[0])
+        self.pitch = math.atan2(vector[2], 
+          math.sqrt(vector[0]**2 + vector[1]**2))
+        self.distance = math.sqrt(
+        (f2[0] - f1[0])**2 +
+        (f2[1] - f1[1])**2 +
+        (f2[2] - f1[2])**2)
+
+    def process(self, bistatic_range):
+
+        """
+        @brief Perform coord registration using the ellipsoid parametric method.
+        @details Generate a (non arc-length) parametric ellipsoid for each node.
+        Find 
+        @param radar_detections (str): JSON of blah2 radar detections.
+        @param adsb_detections (str): JSON of adsb2dd truth detections.
+        @return str: JSON of associated detections.
+        """
+
+        output = {}
+
+        return output
+        

event/event.py

@@ -14,7 +14,7 @@ import json
 import hashlib
 
 from algorithm.associator.AdsbAssociator import AdsbAssociator
-from algorithm.coordreg.EllipseParametric import EllipseParametric
+from algorithm.coordreg.EllipsoidParametric import EllipsoidParametric
 from common.Message import Message
 
 # init event loop
@@ -23,7 +23,7 @@ api = []
 # init config
 tDelete = 60
 adsbAssociator = AdsbAssociator()
-ellipseParametric = EllipseParametric()
+ellipsoidParametric = EllipsoidParametric()
 
 async def event():
 
@@ -92,8 +92,8 @@ async def event():
         return
 
       # coord reg selection
-      if item["coordreg"] == "ellipse-parametric":
-        coordreg = ellipseParametric
+      if item["coordreg"] == "ellipsoid-parametric":
+        coordreg = ellipsoidParametric
       else:
         print("Error: Coord reg invalid.")
         return