1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.osm;
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3 |
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4 | import org.openstreetmap.josm.data.coor.EastNorth;
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5 | import org.openstreetmap.josm.data.coor.LatLon;
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6 | import org.openstreetmap.josm.data.osm.visitor.PrimitiveVisitor;
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7 | import org.openstreetmap.josm.data.projection.Projections;
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8 |
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9 | public class NodeData extends PrimitiveData implements INode {
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10 |
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11 | private static final long serialVersionUID = 5626323599550908773L;
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12 | /*
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13 | * we "inline" lat/lon coordinates instead of using a LatLon => reduces memory footprint
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14 | */
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15 | private double lat = Double.NaN;
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16 | private double lon = Double.NaN;
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17 |
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18 | /**
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19 | * Constructs a new {@code NodeData}.
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20 | */
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21 | public NodeData() {
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22 | // contents can be set later with setters
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23 | }
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24 |
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25 | /**
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26 | * Constructs a new {@code NodeData}.
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27 | * @param data node data to copy
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28 | */
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29 | public NodeData(NodeData data) {
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30 | super(data);
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31 | setCoor(data.getCoor());
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32 | }
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33 |
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34 | private boolean isLatLonKnown() {
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35 | return !Double.isNaN(lat) && !Double.isNaN(lon);
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36 | }
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37 |
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38 | @Override
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39 | public LatLon getCoor() {
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40 | return isLatLonKnown() ? new LatLon(lat, lon) : null;
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41 | }
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42 |
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43 | @Override
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44 | public final void setCoor(LatLon coor) {
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45 | if (coor == null) {
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46 | this.lat = Double.NaN;
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47 | this.lon = Double.NaN;
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48 | } else {
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49 | this.lat = coor.lat();
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50 | this.lon = coor.lon();
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51 | }
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52 | }
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53 |
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54 | @Override
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55 | public EastNorth getEastNorth() {
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56 | // No internal caching of projected coordinates needed. In contrast to getEastNorth()
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57 | // on Node, this method is rarely used. Caching would be overkill.
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58 | return Projections.project(getCoor());
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59 | }
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60 |
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61 | @Override
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62 | public void setEastNorth(EastNorth eastNorth) {
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63 | setCoor(Projections.inverseProject(eastNorth));
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64 | }
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65 |
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66 | @Override
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67 | public NodeData makeCopy() {
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68 | return new NodeData(this);
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69 | }
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70 |
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71 | @Override
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72 | public String toString() {
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73 | return super.toString() + " NODE " + getCoor();
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74 | }
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75 |
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76 | @Override
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77 | public OsmPrimitiveType getType() {
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78 | return OsmPrimitiveType.NODE;
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79 | }
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80 |
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81 | @Override
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82 | public void accept(PrimitiveVisitor visitor) {
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83 | visitor.visit(this);
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84 | }
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85 | }
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