Cache is built using a square with sides 20 km. User's path has steps of (2000, 2000) metres, with a total of 11 retrievals. Amount of look-ahead (both E and N) is 20km. Cache size is 29.
Threshold for building the cache was 5%.
Point furthest from the centre of cache (31200000, 11200000) is 3147104, 0925149; distance away is: 19.686 kilometres.
Threshold | Total benchmark retrievals | Retrievals lost |
---|---|---|
50% | ||
20% | 10 | 10 |
10% | 37 | 30 |
5% | 453 | 238 |
Non-default algorithm used was: Context Matcher with N-squared location-matching algorithm: version of Jan 4 2003.
Commentary on this starting point: this may be a favourable case as the cache is centred on an area with lots of attractions, and the area outside the cache has fewer attractions.