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 15km. Cache size is 28.
Threshold for building the cache was 5%.
Point furthest from the centre of cache (30700000, 10700000) is 2917640, 0940292; distance away is: 20.0771 kilometres.
Threshold | Total benchmark retrievals | Retrievals lost |
---|---|---|
50% | ||
20% | 10 | 10 |
10% | 37 | 27 |
5% | 453 | 213 |
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.