Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/IsoAttributeGenerator.java @ 1087:92fce3b3d07f
Centered histograms in pdf exports.
gnv-artifacts/trunk@1189 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 10 Jun 2010 09:23:33 +0000 |
parents | 4abe172be970 |
children | f953c9a559d8 |
rev | line source |
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Generate iso line classes according gnv-issues/issue108
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1 package de.intevation.gnv.raster; |
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2 |
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3 /** |
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4 * Generates label attributes for iso lines. It takes the |
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Finished Javadoc of the raster package.
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5 * neighboring palette ranges and calculates the mid point |
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6 * between these two ranges. |
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7 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
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8 */ |
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9 public class IsoAttributeGenerator |
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10 implements IsoProducer.AttributeGenerator |
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11 { |
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12 /** |
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Finished Javadoc of the raster package.
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13 * The palette where to look for the ranges. |
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Finished Javadoc of the raster package.
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14 */ |
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15 protected Palette palette; |
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16 |
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17 /** |
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18 * Default constructor. |
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19 */ |
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20 public IsoAttributeGenerator() { |
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21 } |
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22 |
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23 /** |
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24 * Constructor to create an IsoAttributeGenerator with |
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Finished Javadoc of the raster package.
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25 * a given lookup palette. |
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Finished Javadoc of the raster package.
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26 * @param palette The palette. |
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27 */ |
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28 public IsoAttributeGenerator(Palette palette) { |
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29 this.palette = palette; |
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30 } |
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Generate iso line classes according gnv-issues/issue108
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parents:
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31 |
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32 public Object generateAttribute(int neighbor1, int neighbor2) { |
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33 Palette.Entry e1 = palette.getEntryByIndex(neighbor1); |
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34 Palette.Entry e2 = palette.getEntryByIndex(neighbor2); |
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35 |
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36 if (e1 == null || e2 == null) { |
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37 return null; |
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Generate iso line classes according gnv-issues/issue108
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parents:
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38 } |
3cb2bea50456
Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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39 |
3cb2bea50456
Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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40 double e1t = e1.getFrom(); |
3cb2bea50456
Generate iso line classes according gnv-issues/issue108
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41 double e2f = e2.getTo(); |
3cb2bea50456
Generate iso line classes according gnv-issues/issue108
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parents:
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42 |
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Generate iso line classes according gnv-issues/issue108
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parents:
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43 return Double.valueOf(e2f >= e1t |
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Generate iso line classes according gnv-issues/issue108
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44 ? 0.5d*(e1t+e2f) |
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45 : 0.5d*(e2.getTo()+e1.getFrom())); |
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Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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46 } |
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parents:
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47 } |
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48 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |