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annotate gnv-artifacts/src/main/java/de/intevation/gnv/raster/RasterToPPM.java @ 605:e8ebdbc7f1e3

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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>
date Tue, 09 Feb 2010 14:27:55 +0000
parents 6e8364e766fa
children b1f5f2a8840f
rev   line source
495
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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1 package de.intevation.gnv.raster;
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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2
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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3 import java.io.IOException;
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4 import java.io.OutputStream;
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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5
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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6 import java.awt.Color;
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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7
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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8 /**
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9 * @author Sascha L. Teichmann (sascha.teichmann@intevation.de)
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10 */
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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11 public class RasterToPPM
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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12 {
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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13 private RasterToPPM() {
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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14 }
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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15
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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16 public static void writeToPPM(Raster raster, Palette palette, OutputStream out)
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17 throws IOException
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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18 {
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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19 int W = raster.getWidth();
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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20 int H = raster.getHeight();
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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21 out.write(("P6\n" + W + " " + H + "\n255\n").getBytes("US-ASCII"));
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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22 double [] values = raster.getValues();
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23 int pos = 0;
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
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24 byte [] data = new byte[W*3];
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25 int black = Color.BLACK.getRGB();
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26 for (int i = 0; i < H; ++i) {
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27 for (int j = 0; j < data.length; ++pos) {
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28 Palette.Entry entry = palette.getEntry(values[pos]);
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29 int rgb = entry == null
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30 ? black
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31 : entry.getColor().getRGB();
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32 data[j++] = (byte)((rgb >> 16) & 0xff);
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33 data[j++] = (byte)((rgb >> 8) & 0xff);
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34 data[j++] = (byte)( rgb & 0xff);
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35 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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36 out.write(data);
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37 }
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38 out.flush();
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39 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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40 }
6e8364e766fa Generate JTS geometries of "Horizontalschnitte" correctly.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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41 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org