Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/Distance.java @ 4378:8eb1d6dc96a9

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Add chart generation for fixings in bed differences generators If matching fixanalysis data is loaded via the datacage the bed difference generators are now able to display graphs for the additonal data.
author Björn Ricks <bjoern.ricks@intevation.de>
date Fri, 02 Nov 2012 15:50:35 +0100
parents 229e9b27ce15
children
rev   line source
3246
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.math;
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
2
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
3 /** Helper to calculate distance(s). */
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
4 public final class Distance {
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
5 /** Return distance between two values. */
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
6 public static double distance(double a, double b) {
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
7 return Math.abs(a - b);
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
8 }
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
9
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
10 /** Return whether a and be are within a certain distance. */
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
11 public static boolean within(double a, double b, double threshold) {
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
12 return distance(a, b) <= threshold;
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
13 }
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
14 }
229e9b27ce15 New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
15 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org