/** @return the altitude of the last added mission item. */
public double getLastAltitude() {
double alt = defaultAlt;
try {
SpatialCoordItem lastItem = (SpatialCoordItem) items.get(items.size() - 1);
if (!(lastItem instanceof RegionOfInterestImpl)) {
alt = lastItem.getCoordinate().getAltitude();
}
} catch (Exception e) {
}
return alt;
}
public double getDistanceFromLastWaypoint(SpatialCoordItem waypoint)
throws IllegalArgumentException {
int i = items.indexOf(waypoint);
if (i > 0) {
MissionItem previous = items.get(i - 1);
if (previous instanceof SpatialCoordItem) {
return GeoTools.getDistance(
waypoint.getCoordinate(), ((SpatialCoordItem) previous).getCoordinate());
}
}
throw new IllegalArgumentException("Last waypoint doesn't have a coordinate");
}
public double getAltitudeDiffFromPreviousItem(SpatialCoordItem waypoint)
throws IllegalArgumentException {
int i = items.indexOf(waypoint);
if (i > 0) {
MissionItem previous = items.get(i - 1);
if (previous instanceof SpatialCoordItem) {
return waypoint.getCoordinate().getAltitude()
- ((SpatialCoordItem) previous).getCoordinate().getAltitude();
}
}
throw new IllegalArgumentException("Last waypoint doesn't have an altitude");
}