@Override
public void zoomToFit(List<Coord2D> coords) {
if (coords.isEmpty()) {
return;
}
final ArrayList<LatLng> boxCoords = new ArrayList<LatLng>(coords.size());
for (Coord2D coord : coords) {
boxCoords.add(DroneHelper.CoordToLatLng(coord));
}
final BoundingBox enclosingBounds = BoundingBox.fromLatLngs(boxCoords);
mMapView.zoomToBoundingBox(enclosingBounds, true, true, true);
}
/** Initializes the track path and the bounding boxes required by the mapviews. */
private void initPath() {
mPoints = new ArrayList<PointF>();
mValues = new ArrayList<>();
List<Measurement> measurementList = mTrack.getMeasurements();
double maxLatitude = Double.MIN_VALUE;
double minLatitude = Double.MAX_VALUE;
double maxLongitude = Double.MIN_VALUE;
double minLongitude = Double.MAX_VALUE;
// For each measurement value add the longitude and latitude coordinates as a new
// mappoint to the overlay network. In addition, try to find out the maximum and minimum
// lon/lat coordinates for the zoom value of the mapview.
for (Measurement measurement : measurementList) {
double latitude = measurement.getLatitude();
double longitude = measurement.getLongitude();
addPoint(measurement.getLatitude(), measurement.getLongitude());
mValues.add(measurement.getProperty(Measurement.PropertyKey.SPEED));
maxLatitude = Math.max(maxLatitude, latitude);
minLatitude = Math.min(minLatitude, latitude);
maxLongitude = Math.max(maxLongitude, longitude);
minLongitude = Math.min(minLongitude, longitude);
}
// The bounding box of the pathoverlay.
mTrackBoundingBox = new BoundingBox(maxLatitude, maxLongitude, minLatitude, minLongitude);
// The view bounding box of the pathoverlay
mViewBoundingBox =
new BoundingBox(
mTrackBoundingBox.getLatNorth() + 0.01,
mTrackBoundingBox.getLonEast() + 0.01,
mTrackBoundingBox.getLatSouth() - 0.01,
mTrackBoundingBox.getLonWest() - 0.01);
// The bounding box that limits the scrolling of the mapview.
mScrollableLimitBox =
new BoundingBox(
mTrackBoundingBox.getLatNorth() + 0.05,
mTrackBoundingBox.getLonEast() + 0.05,
mTrackBoundingBox.getLatSouth() - 0.05,
mTrackBoundingBox.getLonWest() - 0.05);
}