@Test
public void testAsPositions() throws IOException {
List<String> strings =
asList(
"151.2393322528181,-33.59862693992532,0", "151.2274390264927,-33.59631160091919,1.5");
List<KmlPosition> positions = format.asKmlPositions(strings);
assertEquals(2, positions.size());
KmlPosition position1 = positions.get(0);
assertDoubleEquals(151.2393322528181, position1.getLongitude());
assertDoubleEquals(-33.59862693992532, position1.getLatitude());
assertDoubleEquals(0.0, position1.getElevation());
KmlPosition position2 = positions.get(1);
assertDoubleEquals(151.2274390264927, position2.getLongitude());
assertDoubleEquals(-33.59631160091919, position2.getLatitude());
assertDoubleEquals(1.5, position2.getElevation());
}
@Test
public void testPointCoordinatesWithoutSpaces() throws Exception {
String string =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n"
+ "<Document><Placemark><Point>\n"
+ "<coordinates>151.2393322528181,-33.59862693992532,0\n"
+ "</coordinates>\n"
+ "</Point></Placemark></Document></kml>";
ParserContext<KmlRoute> context = new ParserContextImpl<>();
format.read(new ByteArrayInputStream(string.getBytes()), null, context);
List<KmlRoute> routes = context.getRoutes();
assertEquals(1, routes.size());
KmlRoute route = routes.get(0);
assertEquals(1, route.getPositionCount());
KmlPosition position = route.getPositions().get(0);
assertDoubleEquals(151.2393322528181, position.getLongitude());
assertDoubleEquals(-33.59862693992532, position.getLatitude());
assertNull(position.getSpeed());
assertDoubleEquals(0.0, position.getElevation());
}
private FolderType createMarks(KmlRoute route, int startIndex, int endIndex) {
ObjectFactory objectFactory = new ObjectFactory();
FolderType marks = objectFactory.createFolderType();
marks.setName(MARKS);
marks.setVisibility(FALSE);
marks.setOpen(FALSE);
double currentDistance = 0, previousDistance = 0;
int currentKiloMeter = 1;
List<KmlPosition> positions = route.getPositions();
for (int i = startIndex + 1; i < endIndex; i++) {
KmlPosition previousPosition = positions.get(i - 1);
KmlPosition currentPosition = positions.get(i);
Double distance = currentPosition.calculateDistance(previousPosition);
if (isEmpty(distance)) continue;
currentDistance += distance;
if (currentDistance >= METERS_BETWEEN_MARKS) {
// calculate the point at the kilometer mark that's between the current position and the
// previous one.
// it is possible, that there's more than one point to create
// see: http://www.movable-type.co.uk/scripts/latlong.html and
// http://williams.best.vwh.net/avform.htm#LL
KmlPosition intermediate =
new KmlPosition(
previousPosition.getLongitude(),
previousPosition.getLatitude(),
null,
null,
null,
null);
// remaining distance between the last point and the mark
double remainingDistance = METERS_BETWEEN_MARKS - (previousDistance % METERS_BETWEEN_MARKS);
do {
double angle = toRadians(intermediate.calculateAngle(currentPosition));
double latitude1 = toRadians(intermediate.getLatitude());
double longitude1 = toRadians(intermediate.getLongitude());
double latitude2 =
asin(
sin(latitude1) * cos(remainingDistance / EARTH_RADIUS)
+ cos(latitude1) * sin(remainingDistance / EARTH_RADIUS) * cos(angle));
double longitude2 =
longitude1
+ atan2(
sin(angle) * sin(remainingDistance / EARTH_RADIUS) * cos(latitude1),
cos(remainingDistance / EARTH_RADIUS) - sin(latitude1) * sin(latitude2));
intermediate.setLatitude(toDegrees(latitude2));
intermediate.setLongitude(toDegrees(longitude2));
PlacemarkType placeMark =
createMark(
currentKiloMeter++, intermediate.getLongitude(), intermediate.getLatitude());
marks.getAbstractFeatureGroup().add(objectFactory.createPlacemark(placeMark));
remainingDistance = METERS_BETWEEN_MARKS;
} while (toDouble(intermediate.calculateDistance(currentPosition)) > METERS_BETWEEN_MARKS);
currentDistance = currentDistance % METERS_BETWEEN_MARKS;
}
previousDistance = currentDistance;
}
return marks;
}