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 | /*
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12 | * we "inline" lat/lon coordinates instead of using a LatLon => reduces memory footprint
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13 | */
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14 | private double lat = Double.NaN;
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15 | private double lon = Double.NaN;
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16 |
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17 | public NodeData() {}
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18 |
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19 | public NodeData(NodeData data) {
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20 | super(data);
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21 | setCoor(data.getCoor());
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22 | }
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23 |
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24 | private boolean isLatLonKnown() {
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25 | return !Double.isNaN(lat) && !Double.isNaN(lon);
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26 | }
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27 |
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28 | @Override
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29 | public LatLon getCoor() {
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30 | return isLatLonKnown() ? new LatLon(lat,lon) : null;
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31 | }
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32 |
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33 | @Override
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34 | public void setCoor(LatLon coor) {
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35 | if (coor == null) {
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36 | this.lat = Double.NaN;
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37 | this.lon = Double.NaN;
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38 | } else {
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39 | this.lat = coor.lat();
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40 | this.lon = coor.lon();
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41 | }
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42 | }
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43 |
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44 | @Override
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45 | public EastNorth getEastNorth() {
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46 | /*
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47 | * No internal caching of projected coordinates needed. In contrast to getEastNorth()
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48 | * on Node, this method is rarely used. Caching would be overkill.
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49 | */
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50 | return Projections.project(getCoor());
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51 | }
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52 |
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53 | @Override
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54 | public void setEastNorth(EastNorth eastNorth) {
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55 | LatLon ll = Projections.inverseProject(eastNorth);
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56 | setCoor(ll);
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57 | }
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58 |
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59 | @Override
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60 | public NodeData makeCopy() {
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61 | return new NodeData(this);
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62 | }
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63 |
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64 | @Override
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65 | public String toString() {
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66 | return super.toString() + " NODE " + getCoor();
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67 | }
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68 |
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69 | @Override
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70 | public OsmPrimitiveType getType() {
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71 | return OsmPrimitiveType.NODE;
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72 | }
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73 |
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74 | @Override
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75 | public void visit(PrimitiveVisitor visitor) {
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76 | visitor.visit(this);
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77 | }
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78 |
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79 | }
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