1 | // License: GPL. Copyright 2007 by Immanuel Scholz and others
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2 | package org.openstreetmap.josm.data;
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3 |
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4 | import org.openstreetmap.josm.data.coor.EastNorth;
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5 |
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6 | /**
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7 | * This is a simple data class for "rectangular" areas of the world, given in
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8 | * lat/lon min/max values.
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9 | *
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10 | * @author imi
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11 | */
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12 | public class ProjectionBounds {
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13 | /**
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14 | * The minimum and maximum coordinates.
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15 | */
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16 | public EastNorth min, max;
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17 |
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18 | /**
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19 | * Construct bounds out of two points
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20 | */
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21 | public ProjectionBounds(EastNorth min, EastNorth max) {
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22 | this.min = min;
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23 | this.max = max;
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24 | }
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25 | public ProjectionBounds(EastNorth p) {
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26 | this.min = p;
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27 | this.max = p;
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28 | }
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29 | public ProjectionBounds(EastNorth center, double east, double north) {
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30 | this.min = new EastNorth(center.east()-east/2.0, center.north()-north/2.0);
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31 | this.max = new EastNorth(center.east()+east/2.0, center.north()+north/2.0);
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32 | }
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33 | public void extend(EastNorth e)
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34 | {
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35 | if (e.east() < min.east() || e.north() < min.north())
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36 | min = new EastNorth(Math.min(e.east(), min.east()), Math.min(e.north(), min.north()));
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37 | if (e.east() > max.east() || e.north() > max.north())
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38 | max = new EastNorth(Math.max(e.east(), max.east()), Math.max(e.north(), max.north()));
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39 | }
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40 | public EastNorth getCenter()
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41 | {
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42 | return min.getCenter(max);
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43 | }
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44 |
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45 | @Override public String toString() {
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46 | return "ProjectionBounds["+min.east()+","+min.north()+","+max.east()+","+max.north()+"]";
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47 | }
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48 | }
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