/**
* Sets the current bounding box in this bbox chooser without emiting a property change event.
*
* @param bbox the bounding box. null to reset the bounding box
*/
public void setBoundingBox(Bounds bbox) {
if (bbox == null) {
this.bbox = null;
return;
}
// test if a bounding box has been set
if (bbox.getMin().lat() == 0.0
&& bbox.getMin().lon() == 0.0
&& bbox.getMax().lat() == 0.0
&& bbox.getMax().lon() == 0.0) {
this.bbox = null;
}
int y1 = OsmMercator.LatToY(bbox.getMin().lat(), MAX_ZOOM);
int y2 = OsmMercator.LatToY(bbox.getMax().lat(), MAX_ZOOM);
int x1 = OsmMercator.LonToX(bbox.getMin().lon(), MAX_ZOOM);
int x2 = OsmMercator.LonToX(bbox.getMax().lon(), MAX_ZOOM);
iSelectionRectStart = new Point(Math.min(x1, x2), Math.min(y1, y2));
iSelectionRectEnd = new Point(Math.max(x1, x2), Math.max(y1, y2));
// calc the screen coordinates for the new selection rectangle
MapMarkerDot xmin_ymin = new MapMarkerDot(bbox.getMin().lat(), bbox.getMin().lon());
MapMarkerDot xmax_ymax = new MapMarkerDot(bbox.getMax().lat(), bbox.getMax().lon());
Vector<MapMarker> marker = new Vector<MapMarker>(2);
marker.add(xmin_ymin);
marker.add(xmax_ymax);
setMapMarkerList(marker);
setDisplayToFitMapMarkers();
zoomOut();
this.bbox = bbox;
}
/**
* Inverse of scale2Zoom
*
* @param zoom
* @return
*/
public double zoom2Scale(int zoom) {
return Math.max(
world.east() / OsmMercator.falseEasting(zoom),
world.north() / OsmMercator.falseNorthing(zoom));
}