bug fix in addmanual

rowers/dataprep.py

@@ -650,11 +650,11 @@ def create_row_df(r,distance,duration,startdatetime,
     
     step = totalseconds/float(nr_strokes)
 
-    elapsed = np.arange(0,totalseconds+step,step)
+    elapsed = np.arange(nr_strokes)*totalseconds/(float(nr_strokes-1))
 
     dstep = distance/float(nr_strokes)
 
-    d = np.arange(0,distance+dstep,dstep)
+    d = np.arange(nr_strokes)*distance/(float(nr_strokes-1))
 
     unixtime = unixstarttime + elapsed
 
@@ -666,6 +666,7 @@ def create_row_df(r,distance,duration,startdatetime,
     else:
         power = 0
 
+        
     df = pd.DataFrame({
         'TimeStamp (sec)': unixtime,
 	' Horizontal (meters)': d,