root / branches / v2_0_0_prep / extensions / extExpressionField / src / org / gvsig / expressionfield / project / documents / table / GraphicOperator.java @ 38564
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1 | 29628 | jpiera | package org.gvsig.expressionfield.project.documents.table; |
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2 | 27752 | vcaballero | |
3 | import java.awt.geom.PathIterator; |
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4 | import java.util.ArrayList; |
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5 | |||
6 | import org.gvsig.fmap.geom.Geometry; |
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7 | 30334 | jpiera | import org.gvsig.fmap.geom.GeometryLocator; |
8 | import org.gvsig.fmap.geom.GeometryManager; |
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9 | 27752 | vcaballero | import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
10 | |||
11 | /**
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12 | * @author Vicente Caballero Navarro
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13 | */
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14 | public abstract class GraphicOperator extends AbstractOperator{ |
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15 | private FLyrVect lv=null; |
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16 | 30334 | jpiera | private static GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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18 | 27752 | vcaballero | public void setLayer(FLyrVect lv) { |
19 | this.lv=lv;
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20 | } |
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21 | public FLyrVect getLayer() {
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22 | return lv;
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23 | } |
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24 | public abstract double process(org.gvsig.fmap.dal.feature.Feature feature); |
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25 | protected ArrayList getXY(Geometry geometry) { |
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26 | ArrayList xs = new ArrayList(); |
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27 | ArrayList ys = new ArrayList(); |
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28 | ArrayList parts=new ArrayList(); |
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29 | double[] theData = new double[6]; |
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30 | |||
31 | //double[] aux = new double[6];
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32 | PathIterator theIterator;
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33 | int theType;
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34 | int numParts = 0; |
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35 | 30334 | jpiera | theIterator = geometry.getPathIterator(null, geomManager.getFlatness()); //, flatness); |
36 | 27752 | vcaballero | boolean isClosed = false; |
37 | while (!theIterator.isDone()) {
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38 | theType = theIterator.currentSegment(theData); |
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39 | |||
40 | switch (theType) {
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41 | case PathIterator.SEG_MOVETO: |
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42 | if (numParts==0){ |
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43 | xs.add(new Double(theData[0])); |
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44 | ys.add(new Double(theData[1])); |
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45 | }else{
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46 | if (!isClosed){
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47 | Double[] x = (Double[]) xs.toArray(new Double[0]); |
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48 | Double[] y = (Double[]) ys.toArray(new Double[0]); |
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49 | parts.add(new Double[][] { x, y }); |
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50 | xs.clear(); |
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51 | ys.clear(); |
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52 | } |
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53 | xs.add(new Double(theData[0])); |
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54 | ys.add(new Double(theData[1])); |
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55 | } |
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56 | numParts++; |
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57 | isClosed = false;
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58 | break;
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59 | case PathIterator.SEG_LINETO: |
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60 | isClosed=false;
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61 | xs.add(new Double(theData[0])); |
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62 | ys.add(new Double(theData[1])); |
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63 | break;
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64 | case PathIterator.SEG_CLOSE: |
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65 | isClosed=true;
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66 | xs.add(new Double(theData[0])); |
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67 | ys.add(new Double(theData[1])); |
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68 | Double[] x = (Double[]) xs.toArray(new Double[0]); |
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69 | Double[] y = (Double[]) ys.toArray(new Double[0]); |
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70 | parts.add(new Double[][] { x, y }); |
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71 | xs.clear(); |
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72 | ys.clear(); |
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73 | break;
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74 | } //end switch
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75 | |||
76 | theIterator.next(); |
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77 | } //end while loop
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78 | |||
79 | if (!isClosed){
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80 | isClosed=true;
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81 | xs.add(new Double(theData[0])); |
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82 | ys.add(new Double(theData[1])); |
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83 | Double[] x = (Double[]) xs.toArray(new Double[0]); |
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84 | Double[] y = (Double[]) ys.toArray(new Double[0]); |
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85 | parts.add(new Double[][] { x, y }); |
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86 | xs.clear(); |
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87 | ys.clear(); |
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88 | } |
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89 | return parts;
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90 | |||
91 | } |
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92 | |||
93 | } |