Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/ZoomScale.java @ 7357:9d3e44ab25f2
Refactoring: Move functionality of BedHeightAccess into BedHeightFacet for now.
Idea is that Artifact and Access are lightweight. Access access the 'data'
('parameterization') attached to artifact, not the data delivered by means of
artifact and its parameterization.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
---|---|
date | Wed, 16 Oct 2013 10:42:45 +0200 |
parents | 8c169743f4d0 |
children | fac461c67d24 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.artifacts.model; import java.util.HashMap; import java.util.Map; import java.util.Set; import java.util.TreeMap; import org.apache.log4j.Logger; import org.dive4elements.river.artifacts.math.Linear; /** Has to do with adaptive smoothing based on current diagram extent. */ public class ZoomScale { private static Logger logger = Logger.getLogger(ZoomScale.class); private HashMap<String, TreeMap<Double, Double>> rivers; public ZoomScale() { this.rivers = new HashMap<String, TreeMap<Double, Double>>(); } public ZoomScale(String river) { this(); rivers.put(river, new TreeMap<Double, Double>()); } public double getRadius(String river, double lower, double upper) { double range = Math.abs(upper) - Math.abs(lower); TreeMap<Double, Double> ranges = rivers.get(river); if (ranges == null) { return 0.001; } Map.Entry<Double, Double> next = ranges.higherEntry(range); Map.Entry<Double, Double> prev = ranges.lowerEntry(range); double x0 = 0d; double x1 = 0d; double y0 = 0d; double y1 = 0d; if (prev == null && next != null) { x1 = next.getKey(); y1 = next.getValue(); } else if (prev != null && next == null) { return prev.getValue(); } else { x0 = prev.getKey(); x1 = next.getKey(); y0 = prev.getValue(); y1 = next.getValue(); } return Linear.linear(range, x0, x1, y0, y1); } public void addRiver(String river) { if (!this.rivers.containsKey(river)) { this.rivers.put(river, new TreeMap<Double, Double>()); } } public Set<String> getRivers() { return this.rivers.keySet(); } public void addRange(String river, double range, double radius) { if (this.rivers.containsKey(river)) { this.rivers.get(river).put(range, radius); } else { this.rivers.put(river, new TreeMap<Double, Double>()); this.rivers.get(river).put(range, radius); } } }