Example 1 with Projector
use of com.github.davidmoten.grumpy.projection.Projector in project risky by amsa-code.
the class DriftingLayer method render.
@Override
public void render(Graphics2D g, WmsRequest request) {
log.info("request=" + request);
log.info("drawing " + queue.size() + " positions");
final Projector projector = WmsUtil.getProjector(request);
Position a = projector.toPosition(0, 0);
Position b = projector.toPosition(request.getWidth(), request.getHeight());
Rectangle r = Geometries.rectangle(a.getLon(), b.getLat(), b.getLon(), a.getLat());
Optional<VesselPosition> last = Optional.empty();
Optional<Point> lastPoint = Optional.empty();
// Iterable<VesselPosition> positions = tree
// .search(r)
// .map(new Func1<Entry<VesselPosition,
// com.github.davidmoten.rtree.geometry.Point>, VesselPosition>() {
//
// @Override
// public VesselPosition call(
// Entry<VesselPosition, com.github.davidmoten.rtree.geometry.Point>
// entry) {
// return entry.value();
// }
//
// }).toBlocking().toIterable();
ConcurrentLinkedQueue<VesselPosition> positions = queue;
Point startPoint = null;
for (VesselPosition p : positions) {
// expecting positions to be in mmsi, time order
Point point = projector.toPoint(p.lat(), p.lon());
if (last.isPresent() && p.id().equals(last.get().id()) && p.data().isPresent() && !p.data().get().equals(p.time()) && isOkMovement(p, last.get())) {
// join the last position with this one with a line
g.setColor(Color.gray);
g.drawLine(lastPoint.get().x, lastPoint.get().y, point.x, point.y);
}
if (p.data().get().equals(p.time()) || (last.isPresent() && !isOkMovement(p, last.get()))) {
g.setColor(Color.red);
g.drawRect(point.x, point.y, 1, 1);
startPoint = point;
} else if (startPoint != null) {
// draw intermediate point
g.setColor(Color.darkGray);
g.drawRect(point.x, point.y, 1, 1);
// redraw startPoint so that a slightly moving drift doesn't
// overdraw the startPoint with the color of an intermediate
// point
g.setColor(Color.red);
g.drawRect(startPoint.x, startPoint.y, 1, 1);
}
last = Optional.of(p);
lastPoint = Optional.of(point);
}
log.info("drawn");
}
Also used :
Projector(com.github.davidmoten.grumpy.projection.Projector)
VesselPosition(au.gov.amsa.navigation.VesselPosition)
Position(com.github.davidmoten.grumpy.core.Position)
Rectangle(com.github.davidmoten.rtree.geometry.Rectangle)
Point(java.awt.Point)
VesselPosition(au.gov.amsa.navigation.VesselPosition)
Example 2 with Projector
use of com.github.davidmoten.grumpy.projection.Projector in project risky by amsa-code.
the class DriftingLayer method getInfo.
@Override
public String getInfo(Date time, WmsRequest request, final Point point, String mimeType) {
final int HOTSPOT_SIZE = 5;
final Projector projector = WmsUtil.getProjector(request);
final StringBuilder response = new StringBuilder();
response.append("<html>");
Observable.from(queue).filter(new Func1<VesselPosition, Boolean>() {
@Override
public Boolean call(VesselPosition p) {
Point pt = projector.toPoint(p.lat(), p.lon());
return Math.abs(point.x - pt.x) <= HOTSPOT_SIZE && Math.abs(point.y - pt.y) <= HOTSPOT_SIZE;
}
}).doOnNext(new Action1<VesselPosition>() {
@Override
public void call(VesselPosition p) {
response.append("<p>");
response.append("<a href=\"https://www.fleetmon.com/en/vessels?s=" + p.id().uniqueId() + "\">mmsi=" + p.id().uniqueId() + "</a>, time=" + new Date(p.time()));
if (p.shipType().isPresent()) {
response.append(", ");
response.append(ShipTypeDecoder.getShipType(p.shipType().get()));
}
response.append("</p>");
response.append("<p>");
response.append(p.toString());
response.append("</p>");
}
}).subscribe();
response.append("</html>");
return response.toString();
}Aggregations
VesselPosition (au.gov.amsa.navigation.VesselPosition)2
Projector (com.github.davidmoten.grumpy.projection.Projector)2
Point (java.awt.Point)2
Position (com.github.davidmoten.grumpy.core.Position)1
Rectangle (com.github.davidmoten.rtree.geometry.Rectangle)1
Date (java.util.Date)1
Action1 (rx.functions.Action1)1
