Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/utils/DataUtil.java @ 1166:865ee1e19c62
Improved styling (mapserver style) of WSPLGEN result shape.
flys-artifacts/trunk@2711 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 13 Sep 2011 05:25:09 +0000 |
parents | 2e0739853807 |
children | 03fbf1b30e72 |
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package de.intevation.flys.utils; import java.util.Random; import de.intevation.flys.artifacts.model.WKms; public class DataUtil { // TODO: resolve duplicate in WQKms public static boolean guessWaterIncreasing(WKms wkms) { return guessWaterIncreasing(wkms, 0.05f); } // TODO: resolve duplicate in WQKms public static boolean guessWaterIncreasing(WKms wkms, float factor) { int N = wkms.size(); if (N < 2) return false; int samples = (int)(factor*N) + 1; int up = 0; Random rand = new Random(); for (int i = 0; i < samples; ++i) { int pos2 = rand.nextInt(N-1) + 1; if (pos2 == 0) continue; int pos1 = rand.nextInt(pos2); double w1 = wkms.getW(pos1); double w2 = wkms.getW(pos2); if (w2 > w1) ++up; } return up > samples/2; } }