svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.operation / src / main / java / org / gvsig / fmap / geom / operation / tojts / ToJTS.java @ 40559
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1 | 40559 | jjdelcerro | /**
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2 | * gvSIG. Desktop Geographic Information System.
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3 | *
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4 | * Copyright (C) 2007-2013 gvSIG Association.
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 3
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | * For any additional information, do not hesitate to contact us
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22 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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23 | */
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24 | 40435 | jjdelcerro | package org.gvsig.fmap.geom.operation.tojts; |
25 | |||
26 | import java.lang.reflect.Array; |
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27 | |||
28 | import org.gvsig.fmap.geom.Geometry; |
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29 | import org.gvsig.fmap.geom.GeometryLocator; |
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30 | import org.gvsig.fmap.geom.GeometryManager; |
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31 | import org.gvsig.fmap.geom.operation.GeometryOperation; |
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32 | import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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33 | import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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34 | import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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35 | import org.gvsig.fmap.geom.util.Converter; |
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36 | |||
37 | import com.vividsolutions.jts.geom.Coordinate; |
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38 | |||
39 | public abstract class ToJTS extends GeometryOperation { |
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40 | public static final String NAME = "toJTS"; |
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41 | protected static GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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42 | public static final int CODE = geomManager.getGeometryOperationCode(NAME); |
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43 | protected final static com.vividsolutions.jts.geom.GeometryFactory geomFactory = new com.vividsolutions.jts.geom.GeometryFactory(); |
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44 | |||
45 | public int getOperationIndex() { |
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46 | return CODE;
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47 | } |
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48 | |||
49 | protected boolean isClosed(Coordinate firstCoordinate, Coordinate lastCoordinate){ |
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50 | double diff = Math.abs(lastCoordinate.x - firstCoordinate.x); |
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51 | if (diff > 0.000001){ |
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52 | return false; |
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53 | } |
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54 | diff = Math.abs(lastCoordinate.y - firstCoordinate.y);
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55 | if (diff > 0.000001) { |
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56 | return false; |
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57 | } |
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58 | return true; |
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59 | } |
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60 | |||
61 | protected boolean pointInList(Coordinate testPoint, Coordinate[] pointList) { |
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62 | int t;
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63 | int numpoints;
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64 | Coordinate p; |
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65 | |||
66 | numpoints = Array.getLength(pointList);
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67 | |||
68 | for (t = 0; t < numpoints; t++) { |
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69 | p = pointList[t]; |
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70 | |||
71 | if ((testPoint.x == p.x) && (testPoint.y == p.y) &&
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72 | ((testPoint.z == p.z) || (!(testPoint.z == testPoint.z))) //nan test; x!=x iff x is nan
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73 | ) { |
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74 | return true; |
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75 | } |
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76 | } |
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77 | |||
78 | return false; |
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79 | } |
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80 | } |