[6380] | 1 | // License: GPL. For details, see LICENSE file.
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[71] | 2 | package org.openstreetmap.josm.data;
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| 3 |
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[2456] | 4 | import static org.openstreetmap.josm.tools.I18n.tr;
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| 5 |
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[746] | 6 | import java.awt.geom.Rectangle2D;
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[2717] | 7 | import java.text.DecimalFormat;
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[2845] | 8 | import java.text.MessageFormat;
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[9371] | 9 | import java.util.Objects;
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[746] | 10 |
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[71] | 11 | import org.openstreetmap.josm.data.coor.LatLon;
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[6203] | 12 | import org.openstreetmap.josm.data.osm.BBox;
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[2845] | 13 | import org.openstreetmap.josm.tools.CheckParameterUtil;
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[71] | 14 |
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| 15 | /**
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[1169] | 16 | * This is a simple data class for "rectangular" areas of the world, given in
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[2943] | 17 | * lat/lon min/max values. The values are rounded to LatLon.OSM_SERVER_PRECISION
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[1169] | 18 | *
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[71] | 19 | * @author imi
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| 20 | */
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| 21 | public class Bounds {
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[1169] | 22 | /**
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| 23 | * The minimum and maximum coordinates.
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| 24 | */
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[2805] | 25 | private double minLat, minLon, maxLat, maxLon;
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[2456] | 26 |
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[2327] | 27 | public LatLon getMin() {
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[2805] | 28 | return new LatLon(minLat, minLon);
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[2327] | 29 | }
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[71] | 30 |
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[6203] | 31 | /**
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| 32 | * Returns min latitude of bounds. Efficient shortcut for {@code getMin().lat()}.
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[6830] | 33 | *
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[6203] | 34 | * @return min latitude of bounds.
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| 35 | * @since 6203
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| 36 | */
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| 37 | public double getMinLat() {
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| 38 | return minLat;
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| 39 | }
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| 40 |
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| 41 | /**
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| 42 | * Returns min longitude of bounds. Efficient shortcut for {@code getMin().lon()}.
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[6830] | 43 | *
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[6203] | 44 | * @return min longitude of bounds.
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| 45 | * @since 6203
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| 46 | */
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| 47 | public double getMinLon() {
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| 48 | return minLon;
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| 49 | }
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| 50 |
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[2327] | 51 | public LatLon getMax() {
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[2805] | 52 | return new LatLon(maxLat, maxLon);
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[2327] | 53 | }
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[6069] | 54 |
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[6203] | 55 | /**
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| 56 | * Returns max latitude of bounds. Efficient shortcut for {@code getMax().lat()}.
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[6830] | 57 | *
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[6203] | 58 | * @return max latitude of bounds.
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| 59 | * @since 6203
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| 60 | */
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| 61 | public double getMaxLat() {
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| 62 | return maxLat;
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| 63 | }
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| 64 |
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| 65 | /**
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| 66 | * Returns max longitude of bounds. Efficient shortcut for {@code getMax().lon()}.
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[6830] | 67 | *
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[6203] | 68 | * @return max longitude of bounds.
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| 69 | * @since 6203
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| 70 | */
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| 71 | public double getMaxLon() {
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| 72 | return maxLon;
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| 73 | }
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| 74 |
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[4521] | 75 | public enum ParseMethod {
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| 76 | MINLAT_MINLON_MAXLAT_MAXLON,
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| 77 | LEFT_BOTTOM_RIGHT_TOP
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| 78 | }
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[6069] | 79 |
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[1169] | 80 | /**
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[6203] | 81 | * Construct bounds out of two points. Coords will be rounded.
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[9243] | 82 | * @param min min lat/lon
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| 83 | * @param max max lat/lon
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[1169] | 84 | */
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| 85 | public Bounds(LatLon min, LatLon max) {
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[2805] | 86 | this(min.lat(), min.lon(), max.lat(), max.lon());
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[1169] | 87 | }
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[71] | 88 |
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[5235] | 89 | public Bounds(LatLon min, LatLon max, boolean roundToOsmPrecision) {
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| 90 | this(min.lat(), min.lon(), max.lat(), max.lon(), roundToOsmPrecision);
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| 91 | }
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| 92 |
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[9243] | 93 | /**
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| 94 | * Constructs bounds out a single point.
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| 95 | * @param b lat/lon
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| 96 | */
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[1724] | 97 | public Bounds(LatLon b) {
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[5235] | 98 | this(b, true);
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| 99 | }
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[6069] | 100 |
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[6203] | 101 | /**
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| 102 | * Single point Bounds defined by lat/lon {@code b}.
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| 103 | * Coordinates will be rounded to osm precision if {@code roundToOsmPrecision} is true.
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[6830] | 104 | *
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[6203] | 105 | * @param b lat/lon of given point.
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| 106 | * @param roundToOsmPrecision defines if lat/lon will be rounded.
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| 107 | */
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[5235] | 108 | public Bounds(LatLon b, boolean roundToOsmPrecision) {
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[6203] | 109 | this(b.lat(), b.lon(), roundToOsmPrecision);
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| 110 | }
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[6830] | 111 |
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[6203] | 112 | /**
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| 113 | * Single point Bounds defined by point [lat,lon].
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| 114 | * Coordinates will be rounded to osm precision if {@code roundToOsmPrecision} is true.
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[6830] | 115 | *
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[6203] | 116 | * @param lat latitude of given point.
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| 117 | * @param lon longitude of given point.
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| 118 | * @param roundToOsmPrecision defines if lat/lon will be rounded.
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| 119 | * @since 6203
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| 120 | */
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| 121 | public Bounds(double lat, double lon, boolean roundToOsmPrecision) {
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[4573] | 122 | // Do not call this(b, b) to avoid GPX performance issue (see #7028) until roundToOsmPrecision() is improved
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[5235] | 123 | if (roundToOsmPrecision) {
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[6203] | 124 | this.minLat = LatLon.roundToOsmPrecision(lat);
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| 125 | this.minLon = LatLon.roundToOsmPrecision(lon);
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[5235] | 126 | } else {
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[6203] | 127 | this.minLat = lat;
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| 128 | this.minLon = lon;
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[5235] | 129 | }
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[4573] | 130 | this.maxLat = this.minLat;
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| 131 | this.maxLon = this.minLon;
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[1724] | 132 | }
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[2456] | 133 |
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[2327] | 134 | public Bounds(double minlat, double minlon, double maxlat, double maxlon) {
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[5235] | 135 | this(minlat, minlon, maxlat, maxlon, true);
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[2327] | 136 | }
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[2456] | 137 |
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[5235] | 138 | public Bounds(double minlat, double minlon, double maxlat, double maxlon, boolean roundToOsmPrecision) {
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| 139 | if (roundToOsmPrecision) {
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| 140 | this.minLat = LatLon.roundToOsmPrecision(minlat);
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| 141 | this.minLon = LatLon.roundToOsmPrecision(minlon);
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| 142 | this.maxLat = LatLon.roundToOsmPrecision(maxlat);
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| 143 | this.maxLon = LatLon.roundToOsmPrecision(maxlon);
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| 144 | } else {
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| 145 | this.minLat = minlat;
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| 146 | this.minLon = minlon;
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| 147 | this.maxLat = maxlat;
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| 148 | this.maxLon = maxlon;
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| 149 | }
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| 150 | }
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| 151 |
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[10680] | 152 | public Bounds(double ... coords) {
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[5235] | 153 | this(coords, true);
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| 154 | }
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| 155 |
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[8443] | 156 | public Bounds(double[] coords, boolean roundToOsmPrecision) {
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[2845] | 157 | CheckParameterUtil.ensureParameterNotNull(coords, "coords");
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[2327] | 158 | if (coords.length != 4)
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[2845] | 159 | throw new IllegalArgumentException(MessageFormat.format("Expected array of length 4, got {0}", coords.length));
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[5235] | 160 | if (roundToOsmPrecision) {
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| 161 | this.minLat = LatLon.roundToOsmPrecision(coords[0]);
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| 162 | this.minLon = LatLon.roundToOsmPrecision(coords[1]);
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| 163 | this.maxLat = LatLon.roundToOsmPrecision(coords[2]);
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| 164 | this.maxLon = LatLon.roundToOsmPrecision(coords[3]);
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| 165 | } else {
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| 166 | this.minLat = coords[0];
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| 167 | this.minLon = coords[1];
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| 168 | this.maxLat = coords[2];
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| 169 | this.maxLon = coords[3];
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| 170 | }
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[2327] | 171 | }
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[2456] | 172 |
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[8291] | 173 | public Bounds(String asString, String separator) {
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[4521] | 174 | this(asString, separator, ParseMethod.MINLAT_MINLON_MAXLAT_MAXLON);
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| 175 | }
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| 176 |
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[8291] | 177 | public Bounds(String asString, String separator, ParseMethod parseMethod) {
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[5235] | 178 | this(asString, separator, parseMethod, true);
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| 179 | }
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| 180 |
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[8291] | 181 | public Bounds(String asString, String separator, ParseMethod parseMethod, boolean roundToOsmPrecision) {
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[2845] | 182 | CheckParameterUtil.ensureParameterNotNull(asString, "asString");
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[2327] | 183 | String[] components = asString.split(separator);
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[2456] | 184 | if (components.length != 4)
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[8509] | 185 | throw new IllegalArgumentException(
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| 186 | MessageFormat.format("Exactly four doubles expected in string, got {0}: {1}", components.length, asString));
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[2327] | 187 | double[] values = new double[4];
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[8510] | 188 | for (int i = 0; i < 4; i++) {
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[2327] | 189 | try {
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| 190 | values[i] = Double.parseDouble(components[i]);
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[8510] | 191 | } catch (NumberFormatException e) {
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[6798] | 192 | throw new IllegalArgumentException(MessageFormat.format("Illegal double value ''{0}''", components[i]), e);
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[2327] | 193 | }
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| 194 | }
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[6069] | 195 |
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[4521] | 196 | switch (parseMethod) {
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| 197 | case LEFT_BOTTOM_RIGHT_TOP:
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[5235] | 198 | this.minLat = initLat(values[1], roundToOsmPrecision);
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| 199 | this.minLon = initLon(values[0], roundToOsmPrecision);
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| 200 | this.maxLat = initLat(values[3], roundToOsmPrecision);
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| 201 | this.maxLon = initLon(values[2], roundToOsmPrecision);
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[4521] | 202 | break;
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| 203 | case MINLAT_MINLON_MAXLAT_MAXLON:
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| 204 | default:
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[5235] | 205 | this.minLat = initLat(values[0], roundToOsmPrecision);
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| 206 | this.minLon = initLon(values[1], roundToOsmPrecision);
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| 207 | this.maxLat = initLat(values[2], roundToOsmPrecision);
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| 208 | this.maxLon = initLon(values[3], roundToOsmPrecision);
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[4521] | 209 | }
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[4522] | 210 | }
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[6069] | 211 |
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[5235] | 212 | protected static double initLat(double value, boolean roundToOsmPrecision) {
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[4522] | 213 | if (!LatLon.isValidLat(value))
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| 214 | throw new IllegalArgumentException(tr("Illegal latitude value ''{0}''", value));
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[5235] | 215 | return roundToOsmPrecision ? LatLon.roundToOsmPrecision(value) : value;
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[4522] | 216 | }
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[2686] | 217 |
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[5235] | 218 | protected static double initLon(double value, boolean roundToOsmPrecision) {
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[4522] | 219 | if (!LatLon.isValidLon(value))
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| 220 | throw new IllegalArgumentException(tr("Illegal longitude value ''{0}''", value));
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[5235] | 221 | return roundToOsmPrecision ? LatLon.roundToOsmPrecision(value) : value;
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[2327] | 222 | }
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[2456] | 223 |
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[6203] | 224 | /**
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| 225 | * Creates new {@code Bounds} from an existing one.
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| 226 | * @param other The bounds to copy
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| 227 | */
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| 228 | public Bounds(final Bounds other) {
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| 229 | this(other.minLat, other.minLon, other.maxLat, other.maxLon);
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[2327] | 230 | }
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[1724] | 231 |
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[2327] | 232 | public Bounds(Rectangle2D rect) {
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[2805] | 233 | this(rect.getMinY(), rect.getMinX(), rect.getMaxY(), rect.getMaxX());
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[2327] | 234 | }
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[2456] | 235 |
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| 236 | /**
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| 237 | * Creates new bounds around a coordinate pair <code>center</code>. The
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| 238 | * new bounds shall have an extension in latitude direction of <code>latExtent</code>,
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| 239 | * and in longitude direction of <code>lonExtent</code>.
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[2512] | 240 | *
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[2456] | 241 | * @param center the center coordinate pair. Must not be null.
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[6830] | 242 | * @param latExtent the latitude extent. > 0 required.
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| 243 | * @param lonExtent the longitude extent. > 0 required.
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[8291] | 244 | * @throws IllegalArgumentException if center is null
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| 245 | * @throws IllegalArgumentException if latExtent <= 0
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| 246 | * @throws IllegalArgumentException if lonExtent <= 0
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[2456] | 247 | */
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| 248 | public Bounds(LatLon center, double latExtent, double lonExtent) {
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[2845] | 249 | CheckParameterUtil.ensureParameterNotNull(center, "center");
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[2456] | 250 | if (latExtent <= 0.0)
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[6830] | 251 | throw new IllegalArgumentException(MessageFormat.format("Parameter ''{0}'' > 0.0 expected, got {1}", "latExtent", latExtent));
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[2456] | 252 | if (lonExtent <= 0.0)
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[6830] | 253 | throw new IllegalArgumentException(MessageFormat.format("Parameter ''{0}'' > 0.0 expected, got {1}", "lonExtent", lonExtent));
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[2456] | 254 |
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[4580] | 255 | this.minLat = LatLon.roundToOsmPrecision(LatLon.toIntervalLat(center.lat() - latExtent / 2));
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| 256 | this.minLon = LatLon.roundToOsmPrecision(LatLon.toIntervalLon(center.lon() - lonExtent / 2));
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| 257 | this.maxLat = LatLon.roundToOsmPrecision(LatLon.toIntervalLat(center.lat() + latExtent / 2));
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| 258 | this.maxLon = LatLon.roundToOsmPrecision(LatLon.toIntervalLon(center.lon() + lonExtent / 2));
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[2456] | 259 | }
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| 260 |
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[6203] | 261 | /**
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| 262 | * Creates BBox with same coordinates.
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[6830] | 263 | *
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[6203] | 264 | * @return BBox with same coordinates.
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| 265 | * @since 6203
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| 266 | */
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| 267 | public BBox toBBox() {
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| 268 | return new BBox(minLon, minLat, maxLon, maxLat);
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| 269 | }
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[6830] | 270 |
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[8846] | 271 | @Override
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| 272 | public String toString() {
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| 273 | return "Bounds["+minLat+','+minLon+','+maxLat+','+maxLon+']';
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[1169] | 274 | }
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[746] | 275 |
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[2717] | 276 | public String toShortString(DecimalFormat format) {
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[8846] | 277 | return format.format(minLat) + ' '
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[2805] | 278 | + format.format(minLon) + " / "
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[8846] | 279 | + format.format(maxLat) + ' '
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[2805] | 280 | + format.format(maxLon);
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[2717] | 281 | }
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| 282 |
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[1169] | 283 | /**
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| 284 | * @return Center of the bounding box.
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| 285 | */
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[6509] | 286 | public LatLon getCenter() {
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[6830] | 287 | if (crosses180thMeridian()) {
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[6203] | 288 | double lat = (minLat + maxLat) / 2;
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| 289 | double lon = (minLon + maxLon - 360.0) / 2;
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[8510] | 290 | if (lon < -180.0) {
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[6203] | 291 | lon += 360.0;
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[4580] | 292 | }
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[6203] | 293 | return new LatLon(lat, lon);
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[4580] | 294 | } else {
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[6203] | 295 | return new LatLon((minLat + maxLat) / 2, (minLon + maxLon) / 2);
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[4580] | 296 | }
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[1169] | 297 | }
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| 298 |
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| 299 | /**
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| 300 | * Extend the bounds if necessary to include the given point.
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[6203] | 301 | * @param ll The point to include into these bounds
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[1169] | 302 | */
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| 303 | public void extend(LatLon ll) {
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[6203] | 304 | extend(ll.lat(), ll.lon());
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| 305 | }
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[6830] | 306 |
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[6203] | 307 | /**
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| 308 | * Extend the bounds if necessary to include the given point [lat,lon].
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| 309 | * Good to use if you know coordinates to avoid creation of LatLon object.
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| 310 | * @param lat Latitude of point to include into these bounds
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| 311 | * @param lon Longitude of point to include into these bounds
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| 312 | * @since 6203
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| 313 | */
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| 314 | public void extend(final double lat, final double lon) {
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| 315 | if (lat < minLat) {
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| 316 | minLat = LatLon.roundToOsmPrecision(lat);
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[2456] | 317 | }
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[6203] | 318 | if (lat > maxLat) {
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| 319 | maxLat = LatLon.roundToOsmPrecision(lat);
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[2805] | 320 | }
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[4580] | 321 | if (crosses180thMeridian()) {
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[6203] | 322 | if (lon > maxLon && lon < minLon) {
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| 323 | if (Math.abs(lon - minLon) <= Math.abs(lon - maxLon)) {
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| 324 | minLon = LatLon.roundToOsmPrecision(lon);
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[4580] | 325 | } else {
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[6203] | 326 | maxLon = LatLon.roundToOsmPrecision(lon);
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[4580] | 327 | }
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| 328 | }
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| 329 | } else {
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[6203] | 330 | if (lon < minLon) {
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| 331 | minLon = LatLon.roundToOsmPrecision(lon);
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[4580] | 332 | }
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[6203] | 333 | if (lon > maxLon) {
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| 334 | maxLon = LatLon.roundToOsmPrecision(lon);
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[4580] | 335 | }
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[2805] | 336 | }
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[1169] | 337 | }
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[2805] | 338 |
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| 339 | public void extend(Bounds b) {
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[6203] | 340 | extend(b.minLat, b.minLon);
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| 341 | extend(b.maxLat, b.maxLon);
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[2805] | 342 | }
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[6069] | 343 |
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[1169] | 344 | /**
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[6203] | 345 | * Determines if the given point {@code ll} is within these bounds.
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| 346 | * @param ll The lat/lon to check
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| 347 | * @return {@code true} if {@code ll} is within these bounds, {@code false} otherwise
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[1169] | 348 | */
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| 349 | public boolean contains(LatLon ll) {
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[4580] | 350 | if (ll.lat() < minLat || ll.lat() > maxLat)
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[1169] | 351 | return false;
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[4580] | 352 | if (crosses180thMeridian()) {
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| 353 | if (ll.lon() > maxLon && ll.lon() < minLon)
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| 354 | return false;
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| 355 | } else {
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| 356 | if (ll.lon() < minLon || ll.lon() > maxLon)
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| 357 | return false;
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| 358 | }
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[1169] | 359 | return true;
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| 360 | }
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[2943] | 361 |
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[4580] | 362 | private static boolean intersectsLonCrossing(Bounds crossing, Bounds notCrossing) {
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| 363 | return notCrossing.minLon <= crossing.maxLon || notCrossing.maxLon >= crossing.minLon;
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| 364 | }
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[6069] | 365 |
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[2941] | 366 | /**
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| 367 | * The two bounds intersect? Compared to java Shape.intersects, if does not use
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[6830] | 368 | * the interior but the closure. (">=" instead of ">")
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[9243] | 369 | * @param b other bounds
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| 370 | * @return {@code true} if the two bounds intersect
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[2941] | 371 | */
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| 372 | public boolean intersects(Bounds b) {
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[4580] | 373 | if (b.maxLat < minLat || b.minLat > maxLat)
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| 374 | return false;
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[6069] | 375 |
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[4580] | 376 | if (crosses180thMeridian() && !b.crosses180thMeridian()) {
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| 377 | return intersectsLonCrossing(this, b);
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| 378 | } else if (!crosses180thMeridian() && b.crosses180thMeridian()) {
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| 379 | return intersectsLonCrossing(b, this);
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| 380 | } else if (crosses180thMeridian() && b.crosses180thMeridian()) {
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| 381 | return true;
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| 382 | } else {
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| 383 | return b.maxLon >= minLon && b.minLon <= maxLon;
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| 384 | }
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[2941] | 385 | }
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[1169] | 386 |
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| 387 | /**
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[4580] | 388 | * Determines if this Bounds object crosses the 180th Meridian.
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| 389 | * See http://wiki.openstreetmap.org/wiki/180th_meridian
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| 390 | * @return true if this Bounds object crosses the 180th Meridian.
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| 391 | */
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| 392 | public boolean crosses180thMeridian() {
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| 393 | return this.minLon > this.maxLon;
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| 394 | }
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[6069] | 395 |
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[4580] | 396 | /**
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[1169] | 397 | * Converts the lat/lon bounding box to an object of type Rectangle2D.Double
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| 398 | * @return the bounding box to Rectangle2D.Double
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| 399 | */
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| 400 | public Rectangle2D.Double asRect() {
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[4580] | 401 | double w = maxLon-minLon + (crosses180thMeridian() ? 360.0 : 0.0);
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| 402 | return new Rectangle2D.Double(minLon, minLat, w, maxLat-minLat);
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[1169] | 403 | }
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[2456] | 404 |
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[2327] | 405 | public double getArea() {
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[4580] | 406 | double w = maxLon-minLon + (crosses180thMeridian() ? 360.0 : 0.0);
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| 407 | return w * (maxLat - minLat);
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[2327] | 408 | }
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[1169] | 409 |
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[2327] | 410 | public String encodeAsString(String separator) {
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[6822] | 411 | StringBuilder sb = new StringBuilder();
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[2805] | 412 | sb.append(minLat).append(separator).append(minLon)
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| 413 | .append(separator).append(maxLat).append(separator)
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| 414 | .append(maxLon);
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[2327] | 415 | return sb.toString();
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| 416 | }
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[2456] | 417 |
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[4087] | 418 | /**
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| 419 | * <p>Replies true, if this bounds are <em>collapsed</em>, i.e. if the min
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| 420 | * and the max corner are equal.</p>
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[6069] | 421 | *
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[4087] | 422 | * @return true, if this bounds are <em>collapsed</em>
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| 423 | */
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| 424 | public boolean isCollapsed() {
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[6830] | 425 | return Double.doubleToLongBits(minLat) == Double.doubleToLongBits(maxLat)
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[6204] | 426 | && Double.doubleToLongBits(minLon) == Double.doubleToLongBits(maxLon);
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[4087] | 427 | }
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| 428 |
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[4178] | 429 | public boolean isOutOfTheWorld() {
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| 430 | return
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| 431 | minLat < -90 || minLat > 90 ||
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| 432 | maxLat < -90 || maxLat > 90 ||
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| 433 | minLon < -180 || minLon > 180 ||
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| 434 | maxLon < -180 || maxLon > 180;
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| 435 | }
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| 436 |
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| 437 | public void normalize() {
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[4580] | 438 | minLat = LatLon.toIntervalLat(minLat);
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| 439 | maxLat = LatLon.toIntervalLat(maxLat);
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| 440 | minLon = LatLon.toIntervalLon(minLon);
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| 441 | maxLon = LatLon.toIntervalLon(maxLon);
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[4178] | 442 | }
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| 443 |
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[2327] | 444 | @Override
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| 445 | public int hashCode() {
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[9371] | 446 | return Objects.hash(minLat, minLon, maxLat, maxLon);
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[2327] | 447 | }
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| 448 |
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| 449 | @Override
|
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| 450 | public boolean equals(Object obj) {
|
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[9371] | 451 | if (this == obj) return true;
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| 452 | if (obj == null || getClass() != obj.getClass()) return false;
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| 453 | Bounds bounds = (Bounds) obj;
|
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| 454 | return Double.compare(bounds.minLat, minLat) == 0 &&
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| 455 | Double.compare(bounds.minLon, minLon) == 0 &&
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| 456 | Double.compare(bounds.maxLat, maxLat) == 0 &&
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| 457 | Double.compare(bounds.maxLon, maxLon) == 0;
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[2327] | 458 | }
|
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[71] | 459 | }
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