Mercurial > dive4elements > gnv-client
view gnv-artifacts/src/main/java/de/intevation/gnv/raster/IsoAttributeGenerator.java @ 1108:337727011de0
Removed duplicate xmlns:xlink definition.
gnv-artifacts/trunk@1239 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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date | Tue, 29 Jun 2010 08:47:46 +0000 |
parents | 4abe172be970 |
children | f953c9a559d8 |
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package de.intevation.gnv.raster; /** * Generates label attributes for iso lines. It takes the * neighboring palette ranges and calculates the mid point * between these two ranges. * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> */ public class IsoAttributeGenerator implements IsoProducer.AttributeGenerator { /** * The palette where to look for the ranges. */ protected Palette palette; /** * Default constructor. */ public IsoAttributeGenerator() { } /** * Constructor to create an IsoAttributeGenerator with * a given lookup palette. * @param palette The palette. */ public IsoAttributeGenerator(Palette palette) { this.palette = palette; } public Object generateAttribute(int neighbor1, int neighbor2) { Palette.Entry e1 = palette.getEntryByIndex(neighbor1); Palette.Entry e2 = palette.getEntryByIndex(neighbor2); if (e1 == null || e2 == null) { return null; } double e1t = e1.getFrom(); double e2f = e2.getTo(); return Double.valueOf(e2f >= e1t ? 0.5d*(e1t+e2f) : 0.5d*(e2.getTo()+e1.getFrom())); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :