Added GPX filtering library

gpx_tracks.py

@@ -0,0 +1,68 @@
+import gpxpy
+import gpxpy.gpx
+from geopy.distance import geodesic
+
+
+def filter_gpx_by_radius(gpx_data, center_lat, center_lon, radius_km):
+    """
+    Filter GPX track points to those within a specified radius from a center point.
+
+    :param gpx_data: GPX file data as a string.
+    :param center_lat: Latitude of the center point.
+    :param center_lon: Longitude of the center point.
+    :param radius_km: Radius in kilometers.
+    :return: Filtered GPX data as a string.
+    """
+    gpx = gpxpy.parse(gpx_data)
+    center = (center_lat, center_lon)
+
+    for track in gpx.tracks:
+        for segment in track.segments:
+            segment.points = [point for point in segment.points if
+                              geodesic((point.latitude, point.longitude), center).km <= radius_km]
+
+    return gpx.to_xml()
+
+
+def filter_gpx_by_time(gpx_data, start_time, end_time):
+    """
+    Filter GPX track points to those within a specified time range.
+
+    :param gpx_data: GPX file data as a string.
+    :param start_time: Start time as a datetime object.
+    :param end_time: End time as a datetime object.
+    :return: Filtered GPX data as a string.
+    """
+    gpx = gpxpy.parse(gpx_data)
+
+    for track in gpx.tracks:
+        for segment in track.segments:
+            segment.points = [point for point in segment.points if
+                              start_time <= point.time.replace(tzinfo=None) <= end_time]
+
+    return gpx.to_xml()
+
+def filter_gpx_by_time_and_radius(gpx_data, start_time, end_time, center_lat, center_lon, radius_km):
+    """
+    Filter GPX track points to those within a specified time range and radius from a center point.
+
+    :param gpx_data: GPX file data as a string.
+    :param start_time: Start time as a datetime object.
+    :param end_time: End time as a datetime object.
+    :param center_lat: Latitude of the center point.
+    :param center_lon: Longitude of the center point.
+    :param radius_km: Radius in kilometers.
+    :return: Filtered GPX data as a string.
+    """
+    gpx = gpxpy.parse(gpx_data)
+    center = (center_lat, center_lon)
+
+    for track in gpx.tracks:
+        for segment in track.segments:
+            segment.points = [point for point in segment.points if
+                              start_time <= point.time.replace(tzinfo=None) <= end_time and
+                              geodesic((point.latitude, point.longitude), center).km <= radius_km]
+
+    return gpx.to_xml()
+
+

requirements.txt

@@ -8,3 +8,5 @@ python_dateutil==2.8.2
 SQLAlchemy==2.0.22
 Werkzeug==3.0.1
 mysql_connector_python==8.2.0
+gpxpy==1.6.1
+geopy==2.4.0