Trip meter accuracy
Posted: Sun Sep 02, 2012 4:33 pm
There is a trip-meter issue in Ibike Newton. I use metric units, but I guess the same bug can be found in English unit too.
The trip meter displays 0.1km when I pass 0.055km. This means 45m error at 0.1km.
Test:
72 wheel turns x 2.096m = 151m = iBike 0.1 km
75 wheel turns x 2.096m = 157m = iBike 0.2 km
96 wheel turns x 2.096m = 201m = iBike 0.2 km
121 wheel turns x 2.096m = 253m = iBike 0.2 km
122 wheel turns x 2.096m = 256m = iBike 0.3 km (Isaac csv-file shows 0.2554km)
The Newton trip meter should have 2 decimals or more (Isacc csv-file shows 4 decimals), so instead of showing 0,1km after 55 meter it should show 0,06 km, or at least wait to show 0.1 km until we actually ride full 0.1km rather than after 55m.
The trip meter displays 0.1km when I pass 0.055km. This means 45m error at 0.1km.
Test:
72 wheel turns x 2.096m = 151m = iBike 0.1 km
75 wheel turns x 2.096m = 157m = iBike 0.2 km
96 wheel turns x 2.096m = 201m = iBike 0.2 km
121 wheel turns x 2.096m = 253m = iBike 0.2 km
122 wheel turns x 2.096m = 256m = iBike 0.3 km (Isaac csv-file shows 0.2554km)
The Newton trip meter should have 2 decimals or more (Isacc csv-file shows 4 decimals), so instead of showing 0,1km after 55 meter it should show 0,06 km, or at least wait to show 0.1 km until we actually ride full 0.1km rather than after 55m.