Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/ZoomScale.java @ 4655:cd44d28d0fbc
Move the access to artifact data to the Access object
Use BedHeightAccess class to receive the data from the artifact. This abstracts
the data access from the actual artifact.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 11 Dec 2012 09:44:04 +0100 |
parents | e8c6fbed889b |
children |
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package de.intevation.flys.artifacts.model; import java.util.HashMap; import java.util.Map; import java.util.Set; import java.util.TreeMap; import org.apache.log4j.Logger; import de.intevation.flys.artifacts.math.Linear; 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); } } }