Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/math/L1Comparator.java @ 733:18dc6a99f4f4
Fixed NPE will using StateBase without a given Query.
gnv-artifacts/trunk@771 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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date | Mon, 15 Mar 2010 12:34:40 +0000 |
parents | ab29e4ff2fda |
children | b1f5f2a8840f |
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package de.intevation.gnv.math; import java.util.Comparator; import com.vividsolutions.jts.geom.Coordinate; /** * @author Sascha L. Teichmann */ public class L1Comparator implements Comparator { private Coordinate ref; public L1Comparator() { } public L1Comparator(Coordinate ref) { this.ref = ref; } public void setReference(Coordinate ref) { this.ref = ref; } public int compare(Object a, Object b) { Coordinate pa = (Coordinate)a; Coordinate pb = (Coordinate)b; double da = Point2d.L1(ref, pa); double db = Point2d.L1(ref, pb); if (da < db) return -1; if (da > db) return +1; return 0; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: