Minimum stored in track too

src/parser.py

@@ -33,6 +33,8 @@ def parse_gpx(filename, fps=30.0):
     prev_elevation = None
     max_speed = 0.0
     max_elevation = 0.0
+    min_speed = 9999.0
+    min_elevation = 9999.0
 
     print("Calculating interpolation at {} fps".format(fps))
     for segment in track_data.findall('def:trkseg', ns):
@@ -59,6 +61,12 @@ def parse_gpx(filename, fps=30.0):
             if km_hour > max_speed:
                 max_speed = km_hour
 
+            if elevation < min_elevation:
+                min_elevation = elevation
+
+            if km_hour < min_speed:
+                min_speed = km_hour
+
             # Begin interpolation
             delta_v = (km_hour - prev_velocity) / fps
             delta_e = (elevation - prev_elevation) / fps
@@ -74,5 +82,7 @@ def parse_gpx(filename, fps=30.0):
 
     data.set_maximum('speed', max_speed)
     data.set_maximum('elevation', max_elevation)
+    data.set_minimum('speed', min_speed)
+    data.set_minimum('elevation', min_elevation)
 
     return data

src/track.py

@@ -6,6 +6,7 @@ class Track:
     def __init__(self):
         self.datapoints = []
         self.maximums = {}
+        self.minimums = {}
 
     def add_point(self, speed, elevation):
         self.datapoints.append((speed, elevation))
@@ -22,5 +23,11 @@ class Track:
     def set_maximum(self, key, value):
         self.maximums[key] = value
 
+    def set_minimum(self, key, value):
+        self.minimums[key] = value
+
     def get_maximum(self, key):
         return self.maximums.get(key, 0)
+
+    def get_minimum(self, key):
+        return self.mininums.get(key, 0)