Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/ExternalIndexConverter.java @ 593:b248531fa20b
Added experimental support for extrapolation in "Horizontalschnitte"
gnv-artifacts/trunk@648 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Sun, 31 Jan 2010 21:50:15 +0000 |
parents | 823e4f808418 |
children | c4156275c1e1 |
rev | line source |
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Generate JTS geometries (multi polygons and multi linestrings) from
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1 package de.intevation.gnv.raster; |
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2 |
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3 import org.apache.log4j.Logger; |
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4 |
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5 /** |
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6 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de) |
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7 */ |
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8 public class ExternalIndexConverter |
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9 implements JTSMultiPolygonProducer.ValueConverter |
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10 { |
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11 private static Logger log = Logger.getLogger( |
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12 ExternalIndexConverter.class); |
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13 |
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14 protected Palette palette; |
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15 |
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16 public ExternalIndexConverter() { |
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17 } |
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18 |
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19 public ExternalIndexConverter(Palette palette) { |
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20 this.palette = palette; |
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21 } |
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22 |
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23 public Integer convert(Integer value) { |
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24 if (value == null) { |
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25 return value; |
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26 } |
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27 |
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28 int v = value.intValue(); |
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29 |
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30 if (v == -1) { |
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31 return value; |
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32 } |
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33 |
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34 Palette.Entry entry = palette.getEntryByIndex(v); |
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35 |
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36 if (entry == null) { |
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37 log.warn("cannot find palette entry for index: " + v); |
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38 return value; |
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39 } |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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40 |
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41 return Integer.valueOf(entry.getExternalIndex()); |
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42 } |
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43 } |
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44 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |