Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/jfreechart/PolygonSeries.java @ 605:e8ebdbc7f1e3
First step of removing the cache blob. The static part of the describe document will be created by using the input data stored at each state. Some TODOs left (see ChangeLog).
gnv-artifacts/trunk@671 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 09 Feb 2010 14:27:55 +0000 |
parents | 92b7ccbf6163 |
children | b1f5f2a8840f |
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package de.intevation.gnv.jfreechart; import java.util.Map; import java.util.HashMap; import org.jfree.data.Range; import org.jfree.data.general.Series; /** * @author Sascha Teichmann <sascha.teichmann@intevation.de> * @author Ingo Weinzierl <ingo.weinzierl@intevation.de> */ public class PolygonSeries extends Series { protected CompactXYItems [] rings; protected Map attributes; private static long uniqueKey; protected synchronized static Long createUniqueKey() { return new Long(uniqueKey++); } public PolygonSeries() { this(createUniqueKey(), null); } public PolygonSeries(Comparable key, CompactXYItems [] rings) { this(key, null, rings, new HashMap()); } public PolygonSeries( Comparable key, String description, CompactXYItems[] rings ) { this(key, description, rings, new HashMap()); } public PolygonSeries( Comparable key, String description, CompactXYItems [] rings, Map attributes ) { super(key, description); this.rings = rings; this.attributes = attributes; } public void setRings(CompactXYItems [] rings) { this.rings = rings; } public CompactXYItems [] getRings() { return rings; } public void addRing(CompactXYItems newRing) { if (rings == null) { rings = new CompactXYItems [] { newRing }; } else { CompactXYItems [] nRings = new CompactXYItems[rings.length + 1]; System.arraycopy(rings, 0, nRings, 0, rings.length); nRings[rings.length] = newRing; rings = nRings; } } public void addRings(CompactXYItems [] newRings) { if (newRings == null || newRings.length == 0) { return; } if (rings == null || rings.length == 0) { rings = newRings; } else { CompactXYItems [] both = new CompactXYItems[rings.length + newRings.length]; System.arraycopy(rings, 0, both, 0, rings.length); System.arraycopy(newRings, 0, both, rings.length, newRings.length); rings = both; } } public Object getAttribute(Object key) { return attributes.get(key); } public Object setAttribute(Object key, Object value) { return attributes.put(key, value); } public int getItemCount() { return rings != null ? rings.length : 0; } public CompactXYItems getItem(int idx) { return rings[idx]; } public Object removeAttribute(Object key) { return attributes.remove(key); } public boolean hasAttribute(Object key) { return attributes.containsKey(key); } public Range getDomainBounds() { double upper = Double.NEGATIVE_INFINITY; double lower = Double.POSITIVE_INFINITY; int count = getItemCount(); for (int i = 0; i < count; i++) { CompactXYItems items = getItem(i); double minX = items.getMinX(); double maxX = items.getMaxX(); if (!Double.isNaN(minX)) { lower = Math.min(lower, minX); } if (!Double.isNaN(maxX)) { upper = Math.max(upper, maxX); } } if (lower > upper) { return null; } return new Range(lower, upper); } public Range getRangeBounds() { double upper = Double.NEGATIVE_INFINITY; double lower = Double.POSITIVE_INFINITY; int count = getItemCount(); for (int i = 0; i < count; i++) { CompactXYItems items = getItem(i); double minY = items.getMinY(); double maxY = items.getMaxY(); if (!Double.isNaN(minY)) { lower = Math.min(lower, minY); } if (!Double.isNaN(maxY)) { upper = Math.max(upper, maxY); } } if (lower > upper) { return null; } return new Range(lower, upper); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :