Test with starting point at Dartmoor using research library (N-squared) matching algorithm

Cache is built using a square with sides 20 km. Amount of look-ahead (both E and N) is 3km. Cache size is 32.

Threshold for building the cache was 5%.

Point furthest from centre of cache (25300000, 07300000) is 2317517, 0782864; distance away is: 21.9256 kilometres

Results for Dartmoor (OS 250,070) using research library (N-squared) algorithm
Threshold Total benchmark retrievals Retrievals lost
50% 0 0
20% 0 0
10% 14 0
5% 344 94

Non-default algorithm used was: Context Matcher with N-squared location-matching algorithm: version of Sept 4.1 2002.

Commentary on this starting point: the cache is centred on a wild moorland area.