[geos-devel] Status (Friday, April 18th)
Yury A. Bychkov
me at yury.ca
Sat Apr 19 04:33:38 EDT 2003
PrecisionModel has been changed it value type to fix deletion errors.
Bounds checking was removed from *At methods in CoordinateLists. This resulted
in about 20% performance improvement.
Before the change:
n Pts: 256000 Executed in 2353 ms.
n Pts: 512000 Executed in 4676 ms.
n Pts: 1024000 Executed in 10716 ms.
After the change:
n Pts: 256000 Executed in 1953 ms.
n Pts: 512000 Executed in 3816 ms.
n Pts: 1024000 Executed in 7851 ms.
(Tests were done on P4-2.53)
The latest version has been committed to CVS.
Next to do:
1. Bring the GEOS up to date with the latest JTS version (1.3) and add
2. Port 'operation/buffer' package
Things left to port:
1. ConvexHull class from 'algorithm'
2. 'operation/distance' package
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