Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/RasterToPPM.java @ 1063:732cea65cee7
Changed the geo-backend initialization regarding the changes of rev1149. An sql-cache is integrated and enabled now.
gnv-artifacts/trunk@1150 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Thu, 03 Jun 2010 16:10:27 +0000 |
parents | d766fe2d917a |
children | f953c9a559d8 |
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495
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1 package de.intevation.gnv.raster; |
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2 |
779
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Ordered imports. Removed needless imports. Removed empty headers.
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3 import java.awt.Color; |
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4 |
495
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5 import java.io.IOException; |
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6 import java.io.OutputStream; |
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7 |
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8 /** |
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9 * Little helper class to write a Raster into an output stream |
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10 * as a Netpbm PPM file. |
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Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
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11 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
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12 */ |
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13 public class RasterToPPM |
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14 { |
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15 private RasterToPPM() { |
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16 } |
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17 |
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18 /** |
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19 * Writes a Raster to a given stream as PPM. |
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20 * @param raster The raster to be written. |
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21 * @param palette The palette used to figure out the rgb values. |
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22 * @param out The stream to write into. |
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23 * @throws IOException Thrown if some error occurred during writing |
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24 * data to the output stream. |
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25 */ |
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26 public static void writeToPPM( |
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27 Raster raster, |
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28 Palette palette, |
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29 OutputStream out |
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30 ) |
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31 throws IOException |
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32 { |
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33 int W = raster.getWidth(); |
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34 int H = raster.getHeight(); |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
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35 out.write(("P6\n" + W + " " + H + "\n255\n").getBytes("US-ASCII")); |
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Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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36 double [] values = raster.getValues(); |
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Generate JTS geometries of "Horizontalschnitte" correctly.
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37 int pos = 0; |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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38 byte [] data = new byte[W*3]; |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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39 int black = Color.BLACK.getRGB(); |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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40 for (int i = 0; i < H; ++i) { |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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41 for (int j = 0; j < data.length; ++pos) { |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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42 Palette.Entry entry = palette.getEntry(values[pos]); |
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Generate JTS geometries of "Horizontalschnitte" correctly.
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43 int rgb = entry == null |
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parents:
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44 ? black |
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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45 : entry.getColor().getRGB(); |
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46 data[j++] = (byte)((rgb >> 16) & 0xff); |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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47 data[j++] = (byte)((rgb >> 8) & 0xff); |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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48 data[j++] = (byte)( rgb & 0xff); |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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49 } |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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50 out.write(data); |
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parents:
diff
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51 } |
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Generate JTS geometries of "Horizontalschnitte" correctly.
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52 out.flush(); |
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53 } |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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54 } |
6e8364e766fa
Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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55 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |