1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.projection.proj;
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3 |
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4 | import static org.openstreetmap.josm.tools.I18n.tr;
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5 |
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6 | import org.openstreetmap.josm.data.Bounds;
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7 | import org.openstreetmap.josm.data.projection.ProjectionConfigurationException;
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8 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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9 |
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10 | /**
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11 | * Simple Lat/Lon (pseudo-)projection.
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12 | */
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13 | public class LonLat implements Proj {
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14 |
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15 | private double a;
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16 |
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17 | @Override
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18 | public String getName() {
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19 | return tr("Lat/lon (Geodetic)");
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20 | }
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21 |
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22 | @Override
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23 | public String getProj4Id() {
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24 | return "lonlat";
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25 | }
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26 |
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27 | @Override
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28 | public void initialize(ProjParameters params) throws ProjectionConfigurationException {
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29 | CheckParameterUtil.ensureParameterNotNull(params, "params");
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30 | CheckParameterUtil.ensureParameterNotNull(params.ellps, "params.ellps");
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31 | a = params.ellps.a;
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32 | }
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33 |
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34 | @Override
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35 | public double[] project(double latRad, double lonRad) {
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36 | return new double[] {Math.toDegrees(lonRad) / a, Math.toDegrees(latRad) / a};
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37 | }
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38 |
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39 | @Override
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40 | public double[] invproject(double east, double north) {
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41 | return new double[] {Math.toRadians(north * a), Math.toRadians(east * a)};
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42 | }
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43 |
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44 | @Override
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45 | public Bounds getAlgorithmBounds() {
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46 | return new Bounds(-90, -180, 90, 180, false);
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47 | }
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48 |
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49 | @Override
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50 | public boolean isGeographic() {
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51 | return true;
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52 | }
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53 | }
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