Add convertion type geojson

README.md

@@ -75,6 +75,11 @@ You can then install Shapely using this command:
 
     python -m pip install Shapely-X-cpX-cpXm-winX.whl
 
+#### `-f geojson`
+
+Using the geojson convertion type requires the geojson library which can be installed with
+
+    pip install geojson
 
 ### Available formats
 
@@ -108,8 +113,11 @@ that can then be handled without iterative mode (necessary for gpxtracks and the
 
 #### gpx
 GPS Exchange Format including location, timestamp, and accuracy/speed/altitude as available.
-Data produced is valid GPX 1.1.  Points are stored as individual, unrelated waypoints (like the other formats, except for gpxtracks).
+Data produced is valid GPX 1.1. Points are stored as individual, unrelated waypoints (like the other formats, except for gpxtracks).
 
 #### gpxtracks
 GPS Exchange Format including location, timestamp, and accuracy/speed/altitude as available.
-Data produced is valid GPX 1.1.  Points are grouped together into tracks by time and location (specifically, two chronological points split a track if they differ by over 10 minutes or approximately 40 kilometers).
+Data produced is valid GPX 1.1. Points are grouped together into tracks by time and location (specifically, two chronological points split a track if they differ by over 10 minutes or approximately 40 kilometers).
+
+#### geojson
+Produces a JSON file with a geojson line string containing the points.

location_history_json_converter.py

@@ -40,6 +40,13 @@
 else:
     shapely_available = True
 
+try:
+    import geojson
+except ImportError:
+    geojson_available = False
+else:
+    geojson_available = True
+    geojson_data = []
 
 def _valid_date(s):
     try:
@@ -308,6 +315,9 @@ def _write_location(output, format, location, separator, first, last_location):
             output.write("        </desc>\n")
         output.write("      </trkpt>\n")
 
+    if format == "geojson":
+        geojson_data.append((location["longitudeE7"] / 10000000, location["latitudeE7"] / 10000000, math.floor(int(location['timestampMs'])/1000)))
+
 
 def _write_footer(output, format):
     """Writes the file footer for the specified format to output"""
@@ -329,6 +339,9 @@ def _write_footer(output, format):
         output.write("</gpx>\n")
         return
 
+    if format == "geojson":
+        output.write(geojson.dumps(geojson.LineString(geojson_data)))
+
 
 def convert(locations, output, format="kml",
             js_variable="locationJsonData", separator=",",
@@ -347,7 +360,7 @@ def convert(locations, output, format="kml",
 
     format: str
         Format to convert to
-        Can be one of "kml", "json", "js", "jsonfull", "jsfull", "csv", "csvfull", "csvfullest", "gpx", "gpxtracks"
+        Can be one of "kml", "json", "js", "jsonfull", "jsfull", "csv", "csvfull", "csvfullest", "gpx", "gpxtracks", "geojson"
         See README.md for details about those formats
 
     js_variable: str
@@ -430,7 +443,7 @@ def main():
     arg_parser.add_argument(
         "-f",
         "--format",
-        choices=["kml", "json", "js", "jsonfull", "jsfull", "csv", "csvfull", "csvfullest", "gpx", "gpxtracks"],
+        choices=["kml", "json", "js", "jsonfull", "jsfull", "csv", "csvfull", "csvfullest", "gpx", "gpxtracks", "geojson"],
         default="kml",
         help="Format of the output"
     )
@@ -505,6 +518,10 @@ def main():
 
         polygon = Polygon(ext)
 
+    if not geojson_available and args.format == "geojson":
+        print("geojson is not available. Please install with `pip install geojson` and try again.")
+        return
+
     if args.iterative:
         if args.chronological:
             print("-----------------------------------")