1 | // License: GPL. For details, see LICENSE file.
|
---|
2 | package org.openstreetmap.josm.data.osm;
|
---|
3 |
|
---|
4 | import java.util.ArrayList;
|
---|
5 | import java.util.Arrays;
|
---|
6 | import java.util.List;
|
---|
7 |
|
---|
8 | import org.openstreetmap.josm.data.Bounds;
|
---|
9 | import org.openstreetmap.josm.data.coor.LatLon;
|
---|
10 | import org.openstreetmap.josm.tools.Utils;
|
---|
11 |
|
---|
12 | public class BBox {
|
---|
13 |
|
---|
14 | private double xmin = Double.POSITIVE_INFINITY;
|
---|
15 | private double xmax = Double.NEGATIVE_INFINITY;
|
---|
16 | private double ymin = Double.POSITIVE_INFINITY;
|
---|
17 | private double ymax = Double.NEGATIVE_INFINITY;
|
---|
18 |
|
---|
19 | public BBox(Bounds bounds) {
|
---|
20 | add(bounds.getMin());
|
---|
21 | add(bounds.getMax());
|
---|
22 | }
|
---|
23 |
|
---|
24 | public BBox(LatLon a, LatLon b) {
|
---|
25 | add(a);
|
---|
26 | add(b);
|
---|
27 | }
|
---|
28 |
|
---|
29 | public BBox(BBox copy) {
|
---|
30 | this.xmin = copy.xmin;
|
---|
31 | this.xmax = copy.xmax;
|
---|
32 | this.ymin = copy.ymin;
|
---|
33 | this.ymax = copy.ymax;
|
---|
34 | }
|
---|
35 |
|
---|
36 | public BBox(double a_x, double a_y, double b_x, double b_y) {
|
---|
37 | xmin = Math.min(a_x, b_x);
|
---|
38 | xmax = Math.max(a_x, b_x);
|
---|
39 | ymin = Math.min(a_y, b_y);
|
---|
40 | ymax = Math.max(a_y, b_y);
|
---|
41 | sanity();
|
---|
42 | }
|
---|
43 |
|
---|
44 | public BBox(Way w) {
|
---|
45 | for (Node n : w.getNodes()) {
|
---|
46 | LatLon coor = n.getCoor();
|
---|
47 | if (coor == null) {
|
---|
48 | continue;
|
---|
49 | }
|
---|
50 | add(coor);
|
---|
51 | }
|
---|
52 | }
|
---|
53 |
|
---|
54 | public BBox(Node n) {
|
---|
55 | LatLon coor = n.getCoor();
|
---|
56 | if (coor == null) {
|
---|
57 | xmin = xmax = ymin = ymax = 0;
|
---|
58 | } else {
|
---|
59 | xmin = xmax = coor.lon();
|
---|
60 | ymin = ymax = coor.lat();
|
---|
61 | }
|
---|
62 | }
|
---|
63 |
|
---|
64 | private void sanity() {
|
---|
65 | if (xmin < -180.0) {
|
---|
66 | xmin = -180.0;
|
---|
67 | }
|
---|
68 | if (xmax > 180.0) {
|
---|
69 | xmax = 180.0;
|
---|
70 | }
|
---|
71 | if (ymin < -90.0) {
|
---|
72 | ymin = -90.0;
|
---|
73 | }
|
---|
74 | if (ymax > 90.0) {
|
---|
75 | ymax = 90.0;
|
---|
76 | }
|
---|
77 | }
|
---|
78 |
|
---|
79 | public void add(LatLon c) {
|
---|
80 | add(c.lon(), c.lat());
|
---|
81 | }
|
---|
82 |
|
---|
83 | /**
|
---|
84 | * Extends this bbox to include the point (x, y)
|
---|
85 | */
|
---|
86 | public void add(double x, double y) {
|
---|
87 | xmin = Math.min(xmin, x);
|
---|
88 | xmax = Math.max(xmax, x);
|
---|
89 | ymin = Math.min(ymin, y);
|
---|
90 | ymax = Math.max(ymax, y);
|
---|
91 | sanity();
|
---|
92 | }
|
---|
93 |
|
---|
94 | public void add(BBox box) {
|
---|
95 | add(box.getTopLeft());
|
---|
96 | add(box.getBottomRight());
|
---|
97 | }
|
---|
98 |
|
---|
99 | public void addPrimitive(OsmPrimitive primitive, double extraSpace) {
|
---|
100 | BBox primBbox = primitive.getBBox();
|
---|
101 | add(primBbox.xmin - extraSpace, primBbox.ymin - extraSpace);
|
---|
102 | add(primBbox.xmax + extraSpace, primBbox.ymax + extraSpace);
|
---|
103 | }
|
---|
104 |
|
---|
105 | public double height() {
|
---|
106 | return ymax-ymin;
|
---|
107 | }
|
---|
108 |
|
---|
109 | public double width() {
|
---|
110 | return xmax-xmin;
|
---|
111 | }
|
---|
112 |
|
---|
113 | /**
|
---|
114 | * Tests, weather the bbox b lies completely inside
|
---|
115 | * this bbox.
|
---|
116 | */
|
---|
117 | public boolean bounds(BBox b) {
|
---|
118 | if (!(xmin <= b.xmin) ||
|
---|
119 | !(xmax >= b.xmax) ||
|
---|
120 | !(ymin <= b.ymin) ||
|
---|
121 | !(ymax >= b.ymax))
|
---|
122 | return false;
|
---|
123 | return true;
|
---|
124 | }
|
---|
125 |
|
---|
126 | /**
|
---|
127 | * Tests, weather the Point c lies within the bbox.
|
---|
128 | */
|
---|
129 | public boolean bounds(LatLon c) {
|
---|
130 | if ((xmin <= c.lon()) &&
|
---|
131 | (xmax >= c.lon()) &&
|
---|
132 | (ymin <= c.lat()) &&
|
---|
133 | (ymax >= c.lat()))
|
---|
134 | return true;
|
---|
135 | return false;
|
---|
136 | }
|
---|
137 |
|
---|
138 | /**
|
---|
139 | * Tests, weather two BBoxes intersect as an area.
|
---|
140 | * I.e. whether there exists a point that lies in both of them.
|
---|
141 | */
|
---|
142 | public boolean intersects(BBox b) {
|
---|
143 | if (xmin > b.xmax)
|
---|
144 | return false;
|
---|
145 | if (xmax < b.xmin)
|
---|
146 | return false;
|
---|
147 | if (ymin > b.ymax)
|
---|
148 | return false;
|
---|
149 | if (ymax < b.ymin)
|
---|
150 | return false;
|
---|
151 | return true;
|
---|
152 | }
|
---|
153 |
|
---|
154 | /**
|
---|
155 | * Returns a list of all 4 corners of the bbox rectangle.
|
---|
156 | */
|
---|
157 | public List<LatLon> points() {
|
---|
158 | LatLon p1 = new LatLon(ymin, xmin);
|
---|
159 | LatLon p2 = new LatLon(ymin, xmax);
|
---|
160 | LatLon p3 = new LatLon(ymax, xmin);
|
---|
161 | LatLon p4 = new LatLon(ymax, xmax);
|
---|
162 | List<LatLon> ret = new ArrayList<LatLon>(4);
|
---|
163 | ret.add(p1);
|
---|
164 | ret.add(p2);
|
---|
165 | ret.add(p3);
|
---|
166 | ret.add(p4);
|
---|
167 | return ret;
|
---|
168 | }
|
---|
169 |
|
---|
170 | public LatLon getTopLeft() {
|
---|
171 | return new LatLon(ymax, xmin);
|
---|
172 | }
|
---|
173 |
|
---|
174 | public LatLon getBottomRight() {
|
---|
175 | return new LatLon(ymin, xmax);
|
---|
176 | }
|
---|
177 |
|
---|
178 | public LatLon getCenter() {
|
---|
179 | return new LatLon(ymin + (ymax-ymin)/2.0, xmin + (xmax-xmin)/2.0);
|
---|
180 | }
|
---|
181 |
|
---|
182 | @Override
|
---|
183 | public int hashCode() {
|
---|
184 | return (int)(ymin * xmin);
|
---|
185 | }
|
---|
186 |
|
---|
187 | @Override
|
---|
188 | public boolean equals(Object o) {
|
---|
189 | if (o instanceof BBox) {
|
---|
190 | BBox b = (BBox)o;
|
---|
191 | return b.xmax == xmax && b.ymax == ymax && b.xmin == xmin && b.ymin == ymin;
|
---|
192 | } else
|
---|
193 | return false;
|
---|
194 | }
|
---|
195 |
|
---|
196 | @Override
|
---|
197 | public String toString() {
|
---|
198 | return "[ x: " + xmin + " -> " + xmax +
|
---|
199 | ", y: " + ymin + " -> " + ymax + " ]";
|
---|
200 | }
|
---|
201 |
|
---|
202 | public String toStringCSV(String separator) {
|
---|
203 | return Utils.join(separator, Arrays.asList(
|
---|
204 | LatLon.cDdFormatter.format(xmin),
|
---|
205 | LatLon.cDdFormatter.format(ymin),
|
---|
206 | LatLon.cDdFormatter.format(xmax),
|
---|
207 | LatLon.cDdFormatter.format(ymax)));
|
---|
208 | }
|
---|
209 | }
|
---|