added GPSLoader

gps_loader.py

@@ -0,0 +1,54 @@
+from units import Value, Unit
+from vec import Vec2
+
+
+class GPSLoader:
+    @staticmethod
+    def load_data(filename: str) -> dict:
+        data = {
+            "times": [],
+            "points": [],
+            "altitudes": [],
+            "speeds": [],
+            "directions": [],
+            "distances": [],
+            "accuracies": [],
+            "satellites": []
+        }
+
+        # time [s], lat, lon, alt [m], alt_wgs84 [m], speed [m/s], dir [°], dist [km], x_acc [m], y_acc [m], sats
+
+        with open(filename, "r") as f:
+            content = f.read()
+            lines = content.splitlines()
+            headers, lines = lines[0], lines[1:]
+
+        for line in lines:
+            values = line.split(",")
+            values = list(map(lambda v: None if v == "NaN" else float(v), values))
+
+            if None in values:
+                continue
+
+            time = Value(values[0], Unit.SEC)
+            lat = Value(values[1], Unit.DEG)
+            lon = Value(values[2], Unit.DEG)
+            alt = Value(values[3], Unit.M)
+            alt_wgs84 = Value(values[4], Unit.M)
+            speed = Value(values[5], Unit.M_S)
+            dir_ = Value(values[6], Unit.DEG)
+            dist = Value(values[7], Unit.KM)
+            x_acc = Value(values[8], Unit.M)
+            y_acc = Value(values[9], Unit.M)
+            sats = Value(values[10], Unit.NONE)
+
+            data["times"].append(time)
+            data["points"].append(Vec2(lon.value, lat.value))
+            data["altitudes"].append(alt)
+            data["speeds"].append(speed)
+            data["directions"].append(dir_)
+            data["distances"].append(dist)
+            data["accuracies"].append(Vec2(x_acc.value, y_acc.value))
+            data["satellites"].append(sats.value)
+
+        return data