better filtering

rowers/dataprep.py

@@ -136,7 +136,7 @@ def get_video_data(w,groups=['basic'],mode='water'):
 
 
     df.set_index(pd.to_timedelta(df['time'],unit='s'),inplace=True)
-    df2 = df.resample('1s').mean().interpolate()
+    df2 = df.resample('1s').first().fillna(method='ffill')
     if 'pace' in columns:
         df2['pace'] = df2['pace']/1000.
         p = df2['pace']

rowers/interactiveplots.py

@@ -2956,15 +2956,12 @@ def interactive_chart_video(videodata):
 
     data = zip(time,spm)
 
-    data2 = []
+    data2 = "["
 
     for t,s in data:
-        data2.append(
-            {
-                'x':t,
-                'y':s,
-            }
-        )
+        data2 += "{x: %s, y: %s}, " % (t,s)
+
+    data2 = data2[:-2] + "]"
 
     markerpoint = {
         'x': time[0],