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GeoPoint: cheaper range limiting

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This commit is contained in:
Hannes Janetzek 2014-02-09 17:03:24 +01:00
parent 87f4277b8b
commit 83b914d1b2
1 changed files with 13 additions and 8 deletions
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21
vtm/src/org/oscim/core/GeoPoint.java
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@ -17,6 +17,8 @@
*/
package org.oscim.core;
import org.oscim.utils.FastMath;
/**
* A GeoPoint represents an immutable pair of latitude and longitude
* coordinates.
@ -43,19 +45,22 @@ public class GeoPoint implements Comparable<GeoPoint> {
private int hashCodeValue = 0;
/**
* @param latitude
* @param lat
* the latitude in degrees, will be limited to the possible
* latitude range.
* @param longitude
* @param lon
* the longitude in degrees, will be limited to the possible
* longitude range.
*/
public GeoPoint(double latitude, double longitude) {
double limitLatitude = MercatorProjection.limitLatitude(latitude);
this.latitudeE6 = (int) (limitLatitude * CONVERSION_FACTOR);
double limitLongitude = MercatorProjection.limitLongitude(longitude);
this.longitudeE6 = (int) (limitLongitude * CONVERSION_FACTOR);
public GeoPoint(double lat, double lon) {
lat = FastMath.clamp(lat,
MercatorProjection.LATITUDE_MIN,
MercatorProjection.LATITUDE_MAX);
this.latitudeE6 = (int) (lat * CONVERSION_FACTOR);
lon = FastMath.clamp(lon,
MercatorProjection.LONGITUDE_MIN,
MercatorProjection.LONGITUDE_MAX);
this.longitudeE6 = (int) (lon * CONVERSION_FACTOR);
}
/**