private FolderType createSpeed(KmlRoute route, int startIndex, int endIndex) {
ObjectFactory objectFactory = new ObjectFactory();
FolderType folderType = objectFactory.createFolderType();
folderType.setName(SPEED);
folderType.setVisibility(FALSE);
folderType.setOpen(FALSE);
folderType.getAbstractFeatureGroup().add(objectFactory.createScreenOverlay(createSpeedbar()));
int segmentIndex = 0;
List<String> coordinates = new ArrayList<>();
Integer previousSpeedClass = null;
Double previousSpeed = null;
KmlPosition previous = null;
List<KmlPosition> positions = route.getPositions();
// since the speed of a position is the average speed of the previous segment
for (int i = startIndex; i < endIndex; i++) {
KmlPosition position = positions.get(i);
Double speed = null;
if (position.hasSpeed()) speed = position.getSpeed();
else if (previous != null) speed = previous.calculateSpeed(position);
if (speed == null) speed = previousSpeed;
if (speed == null) continue;
coordinates.add(createCoordinates(position, false));
int speedClass = getSpeedClass(speed);
if (previousSpeedClass != null && previousSpeedClass != speedClass) {
PlacemarkType placemarkType =
createSpeedSegment(++segmentIndex, previousSpeedClass, coordinates);
folderType.getAbstractFeatureGroup().add(objectFactory.createPlacemark(placemarkType));
coordinates.clear();
coordinates.add(createCoordinates(position, false));
}
previousSpeedClass = speedClass;
previousSpeed = speed;
previous = position;
}
return segmentIndex > 0 ? folderType : null;
}
protected KmlType createKmlType(KmlRoute route, int startIndex, int endIndex) {
ObjectFactory objectFactory = new ObjectFactory();
KmlType kmlType = objectFactory.createKmlType();
DocumentType documentType = objectFactory.createDocumentType();
kmlType.setAbstractFeatureGroup(objectFactory.createDocument(documentType));
documentType.setName(createDocumentName(route));
documentType.setDescription(asDescription(route.getDescription()));
documentType.setOpen(TRUE);
if (hasCharacteristics(singletonList(route), Route))
documentType
.getAbstractStyleSelectorGroup()
.add(
objectFactory.createStyle(
createLineStyle(ROUTE_LINE_STYLE, getLineWidth(), getRouteLineColor())));
if (hasCharacteristics(singletonList(route), Track)) {
documentType
.getAbstractStyleSelectorGroup()
.add(
objectFactory.createStyle(
createLineStyle(TRACK_LINE_STYLE, getLineWidth(), getTrackLineColor())));
if (isWriteSpeed())
for (StyleType style : createSpeedTrackColors(getSpeedLineWidth()))
documentType.getAbstractStyleSelectorGroup().add(objectFactory.createStyle(style));
}
FolderType folderType = createWayPoints(route, startIndex, endIndex);
documentType.getAbstractFeatureGroup().add(objectFactory.createFolder(folderType));
PlacemarkType placemarkTrack = createTrack(route, startIndex, endIndex);
documentType.getAbstractFeatureGroup().add(objectFactory.createPlacemark(placemarkTrack));
if (hasCharacteristics(singletonList(route), Track)) {
FolderType speed = createSpeed(route, startIndex, endIndex);
if (speed != null)
documentType.getAbstractFeatureGroup().add(objectFactory.createFolder(speed));
}
if (!route.getCharacteristics().equals(Waypoints) && isWriteMarks()) {
FolderType marks = createMarks(route, startIndex, endIndex);
documentType.getAbstractFeatureGroup().add(objectFactory.createFolder(marks));
}
return kmlType;
}
private FolderType createWayPoints(KmlRoute route, int startIndex, int endIndex) {
ObjectFactory objectFactory = new ObjectFactory();
FolderType folderType = objectFactory.createFolderType();
folderType.setName(WAYPOINTS);
folderType.setDescription(asDescription(route.getDescription()));
List<KmlPosition> positions = route.getPositions();
for (int i = startIndex; i < endIndex; i++) {
KmlPosition position = positions.get(i);
PlacemarkType placemarkType = objectFactory.createPlacemarkType();
folderType.getAbstractFeatureGroup().add(objectFactory.createPlacemark(placemarkType));
placemarkType.setName(asName(isWriteName() ? position.getDescription() : null));
placemarkType.setDescription(asDesc(isWriteDesc() ? position.getDescription() : null));
if (position.hasTime()) {
TimeStampType timeStampType = objectFactory.createTimeStampType();
timeStampType.setWhen(formatDate(position.getTime()));
placemarkType.setAbstractTimePrimitiveGroup(objectFactory.createTimeStamp(timeStampType));
}
PointType pointType = objectFactory.createPointType();
placemarkType.setAbstractGeometryGroup(objectFactory.createPoint(pointType));
pointType.getCoordinates().add(createCoordinates(position, false));
}
return folderType;
}
private KmlType createKmlType(List<KmlRoute> routes) {
ObjectFactory objectFactory = new ObjectFactory();
KmlType kmlType = objectFactory.createKmlType();
DocumentType documentType = objectFactory.createDocumentType();
kmlType.setAbstractFeatureGroup(objectFactory.createDocument(documentType));
/* might make sense for Waypoint lists with one position lists in the file
if(routes.size() == 1) {
KmlRoute route = routes.get(0);
documentType.setName(createDocumentName(route));
documentType.setDescription(asDescription(route.getDescription()));
}
*/
documentType.setOpen(TRUE);
if (hasCharacteristics(routes, Route))
documentType
.getAbstractStyleSelectorGroup()
.add(
objectFactory.createStyle(
createLineStyle(ROUTE_LINE_STYLE, getLineWidth(), getRouteLineColor())));
if (hasCharacteristics(routes, Track)) {
documentType
.getAbstractStyleSelectorGroup()
.add(
objectFactory.createStyle(
createLineStyle(TRACK_LINE_STYLE, getLineWidth(), getTrackLineColor())));
if (isWriteSpeed())
for (StyleType style : createSpeedTrackColors(getSpeedLineWidth()))
documentType.getAbstractStyleSelectorGroup().add(objectFactory.createStyle(style));
}
for (KmlRoute route : routes) {
switch (route.getCharacteristics()) {
case Waypoints:
FolderType wayPoints = createWayPoints(route, 0, route.getPositionCount());
documentType.getAbstractFeatureGroup().add(objectFactory.createFolder(wayPoints));
break;
case Route:
FolderType routeFolder = objectFactory.createFolderType();
routeFolder.setName(createPlacemarkName(ROUTE, route));
documentType.getAbstractFeatureGroup().add(objectFactory.createFolder(routeFolder));
PlacemarkType routePlacemarks = createRoute(route);
routeFolder.getAbstractFeatureGroup().add(objectFactory.createPlacemark(routePlacemarks));
if (isWriteMarks())
routeFolder
.getAbstractFeatureGroup()
.add(objectFactory.createFolder(createMarks(route, 0, route.getPositionCount())));
break;
case Track:
FolderType trackFolder = objectFactory.createFolderType();
trackFolder.setName(createPlacemarkName(TRACK, route));
documentType.getAbstractFeatureGroup().add(objectFactory.createFolder(trackFolder));
PlacemarkType track = createTrack(route, 0, route.getPositionCount());
trackFolder.getAbstractFeatureGroup().add(objectFactory.createPlacemark(track));
if (isWriteSpeed()) {
FolderType speed = createSpeed(route, 0, route.getPositionCount());
if (speed != null)
trackFolder.getAbstractFeatureGroup().add(objectFactory.createFolder(speed));
}
if (isWriteMarks())
trackFolder
.getAbstractFeatureGroup()
.add(objectFactory.createFolder(createMarks(route, 0, route.getPositionCount())));
break;
default:
throw new IllegalArgumentException(
"Unknown RouteCharacteristics " + route.getCharacteristics());
}
}
return kmlType;
}
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;
}