annotate flys-backend/src/main/java/de/intevation/flys/importer/parsers/tim/Line.java @ 4732:7fdddc6ba296

Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
author Sascha Teichmann <sascha.teichmann@intevation.de>
date Fri, 28 Dec 2012 15:01:12 +0100
parents
children ce6b9945bf8e
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.flys.importer.parsers.tim;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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3 public class Line {
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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5 public Coordinate a;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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6 public Coordinate b;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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8 public Line() {
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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9 }
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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11 public Line(Coordinate a, Coordinate b) {
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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12 this.a = a;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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13 this.b = b;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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14 }
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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16 /** Project coordinate to line. */
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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17 public double distanceToFirst(Coordinate c) {
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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19 double nx = b.x - a.x;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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20 double ny = b.y - a.y;
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22 double len = Math.sqrt(nx*nx + ny*ny);
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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24 nx /= len;
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25 ny /= len;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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27 double px = c.x - a.x;
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
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28 double py = c.y - a.y;
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30 return nx*px + ny*py;
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31 }
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32 }
7fdddc6ba296 Initial version of support files for TIMParser, comments and TODOs by Felix Wolfsteller, Code by Sascha Teichmann.
Sascha Teichmann <sascha.teichmann@intevation.de>
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33 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

http://dive4elements.wald.intevation.org