Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/raster/IsoPolygonSeriesProducer.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 | 1bf058f1a2d1 |
children | b1f5f2a8840f |
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package de.intevation.gnv.raster; import java.util.ArrayList; import java.util.Collection; import org.apache.log4j.Logger; import gnu.trove.TIntObjectHashMap; import gnu.trove.TDoubleArrayList; import de.intevation.gnv.raster.Vectorizer.Edge; import de.intevation.gnv.math.IJKey; import de.intevation.gnv.jfreechart.PolygonSeries; import de.intevation.gnv.jfreechart.CompactXYItems; /** * @author Sascha L. Teichmann (sascha.teichmann@intevation.de) */ public class IsoPolygonSeriesProducer extends IsoProducer { private static Logger log = Logger.getLogger( IsoPolygonSeriesProducer.class); public static final Float LINE_WIDTH = Float.valueOf(0.1f); public IsoPolygonSeriesProducer( double minX, double minY, double maxX, double maxY ) { super(minX, minY, maxX, maxY); } public Collection<PolygonSeries> getSeries() { return getSeries(null); } public Collection<PolygonSeries> getSeries( AttributeGenerator attributeGenerator ) { ArrayList<PolygonSeries> series = new ArrayList<PolygonSeries>(); double b1 = minX; double m1 = width != 1 ? (maxX - minX)/(width-1) : 0d; double b2 = minY; double m2 = height != 1 ? (maxY - minY)/(height-1) : 0d; TDoubleArrayList vertices = new TDoubleArrayList(); for (IJKey key: joinPairs()) { PolygonSeries ps = new PolygonSeries(); // process complete ArrayList<Edge> completeList = complete.get(key); if (completeList != null) { for (Edge head: completeList) { Edge current = head; do { vertices.add(m1*(current.a % width) + b1); vertices.add(m2*(current.a / width) + b2); } while ((current = current.next) != head); // add head again to close shape vertices.add(m1*(head.a % width) + b1); vertices.add(m2*(head.a / width) + b2); ps.addRing(new CompactXYItems(vertices.toNativeArray())); vertices.reset(); } } // process open TIntObjectHashMap map = commonOpen.get(key); if (map != null) { for (Edge head: headList(map)) { head = Vectorizer.simplify(head, width); Edge current = head, last = head; do { vertices.add(m1*(current.a % width) + b1); vertices.add(m2*(current.a / width) + b2); last = current; } while ((current = current.next) != null); // add b from tail vertices.add(m1*(last.b % width) + b1); vertices.add(m2*(last.b / width) + b2); ps.addRing(new CompactXYItems(vertices.toNativeArray())); vertices.reset(); } // for all in common open } // if map defined for key if (ps.getItemCount() > 0) { series.add(ps); if (attributeGenerator != null) { Object attribute = attributeGenerator .generateAttribute(key.i, key.j); if (attribute != null) { ps.setAttribute("label", attribute); } } ps.setAttribute("line.width", LINE_WIDTH); } } // for all pairs return series; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: