1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.data.validation.tests;
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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 java.util.List;
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7 |
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8 | import org.openstreetmap.josm.data.osm.Node;
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9 | import org.openstreetmap.josm.data.osm.Way;
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10 | import org.openstreetmap.josm.data.validation.Severity;
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11 | import org.openstreetmap.josm.data.validation.Test;
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12 | import org.openstreetmap.josm.data.validation.TestError;
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13 | import org.openstreetmap.josm.gui.progress.ProgressMonitor;
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14 | import org.openstreetmap.josm.spi.preferences.Config;
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15 | import org.openstreetmap.josm.tools.Pair;
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16 |
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17 | /**
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18 | * Checks for buildings with angles close to right angle.
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19 | *
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20 | * @author marxin
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21 | * @since 13670
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22 | */
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23 | public class RightAngleBuildingTest extends Test {
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24 |
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25 | /** Maximum angle difference from right angle that is considered as invalid. */
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26 | protected double maxAngleDelta;
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27 |
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28 | /** Minimum angle difference from right angle that is considered as invalid. */
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29 | protected double minAngleDelta;
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30 |
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31 | /**
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32 | * Constructs a new {@code RightAngleBuildingTest} test.
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33 | */
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34 | public RightAngleBuildingTest() {
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35 | super(tr("Almost right angle buildings"),
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36 | tr("Checks for buildings that have angles close to right angle and are not orthogonalized."));
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37 | }
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38 |
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39 | @Override
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40 | public void visit(Way w) {
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41 | if (!w.isUsable() || !w.isClosed() || !isBuilding(w) || !IN_DOWNLOADED_AREA_STRICT.test(w)) return;
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42 |
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43 | List<Pair<Double, Node>> angles = w.getAngles();
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44 | for (Pair<Double, Node> pair: angles) {
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45 | if (checkAngle(pair.a)) {
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46 | TestError.Builder builder = TestError.builder(this, Severity.OTHER, 3701)
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47 | .message(tr("Building with an almost square angle"))
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48 | .primitives(w)
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49 | .highlight(pair.b);
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50 | errors.add(builder.build());
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51 | return;
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52 | }
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53 | }
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54 | }
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55 |
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56 | @Override
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57 | public void startTest(ProgressMonitor monitor) {
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58 | super.startTest(monitor);
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59 | maxAngleDelta = Config.getPref().getDouble("validator.RightAngleBuilding.maximumDelta", 10.0);
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60 | minAngleDelta = Config.getPref().getDouble("validator.RightAngleBuilding.minimumDelta", 1.0);
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61 | }
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62 |
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63 | private boolean checkAngle(double angle) {
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64 | double difference = Math.abs(angle - 90);
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65 | return difference > minAngleDelta && difference < maxAngleDelta;
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66 | }
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67 | }
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