Changeset 10915 in josm for trunk/src/org/openstreetmap/josm/data/coor/LatLon.java
- Timestamp:
- 2016-08-29T18:21:41+02:00 (8 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/src/org/openstreetmap/josm/data/coor/LatLon.java
r10914 r10915 427 427 */ 428 428 public LatLon interpolate(LatLon ll2, double proportion) { 429 return new LatLon(this.lat() + proportion * (ll2.lat() - this.lat()), 430 this.lon() + proportion * (ll2.lon() - this.lon())); 429 // this is an alternate form of this.lat() + proportion * (ll2.lat() - this.lat()) that is slightly faster 430 return new LatLon((1 - proportion) * this.lat() + proportion * ll2.lat(), 431 (1 - proportion) * this.lon() + proportion * ll2.lon()); 431 432 } 432 433 … … 437 438 */ 438 439 public LatLon getCenter(LatLon ll2) { 440 // The JIT will inline this for us, it is as fast as the normal /2 approach 439 441 return interpolate(ll2, .5); 440 442 }
Note:
See TracChangeset
for help on using the changeset viewer.