Ejemplo n.º 1
0
  protected void dragWholeShape(DragSelectEvent dragEvent, Movable dragObject) {
    View view = getWwd().getView();
    EllipsoidalGlobe globe = (EllipsoidalGlobe) getWwd().getModel().getGlobe();

    // Compute ref-point position in screen coordinates.
    Position refPos = dragObject.getReferencePosition();
    if (refPos == null) return;

    Vec4 refPoint = globe.computePointFromPosition(refPos);
    Vec4 screenRefPoint = view.project(refPoint);

    // Compute screen-coord delta since last event.
    int dx = dragEvent.getPickPoint().x - dragEvent.getPreviousPickPoint().x;
    int dy = dragEvent.getPickPoint().y - dragEvent.getPreviousPickPoint().y;

    // Find intersection of screen coord ref-point with globe.
    double x = screenRefPoint.x + dx;
    double y =
        dragEvent.getMouseEvent().getComponent().getSize().height - screenRefPoint.y + dy - 1;
    Line ray = view.computeRayFromScreenPoint(x, y);
    Intersection inters[] = globe.intersect(ray, refPos.getElevation());

    if (inters != null) {
      // Intersection with globe. Move reference point to the intersection point.
      Position p = globe.computePositionFromPoint(inters[0].getIntersectionPoint());
      dragObject.moveTo(p);
    }
  }
Ejemplo n.º 2
0
  protected int determineAdjustmentSide(Movable dragObject, double factor) {
    if (dragObject instanceof SurfaceSector) {
      SurfaceSector quad = (SurfaceSector) dragObject;
      Sector s = quad.getSector(); // TODO: go over all sectors
      Position p = this.getWwd().getCurrentPosition();

      if (p == null) {
        return NONE;
      }

      double dN = abs(s.getMaxLatitude().subtract(p.getLatitude()).degrees);
      double dS = abs(s.getMinLatitude().subtract(p.getLatitude()).degrees);
      double dW = abs(s.getMinLongitude().subtract(p.getLongitude()).degrees);
      double dE = abs(s.getMaxLongitude().subtract(p.getLongitude()).degrees);

      double sLat = factor * s.getDeltaLatDegrees();
      double sLon = factor * s.getDeltaLonDegrees();

      if (dN < sLat && dW < sLon) return NORTHWEST;
      if (dN < sLat && dE < sLon) return NORTHEAST;
      if (dS < sLat && dW < sLon) return SOUTHWEST;
      if (dS < sLat && dE < sLon) return SOUTHEAST;
      if (dN < sLat) return NORTH;
      if (dS < sLat) return SOUTH;
      if (dW < sLon) return WEST;
      if (dE < sLon) return EAST;
    }

    return NONE;
  }
Ejemplo n.º 3
0
    private void fillPointsPanel() {
      int i = 0;
      for (Position pos : lineBuilder.getLine().getPositions()) {
        if (i == this.pointLabels.length) break;

        String las = String.format("Lat %7.4f\u00B0", pos.getLatitude().getDegrees());
        String los = String.format("Lon %7.4f\u00B0", pos.getLongitude().getDegrees());
        pointLabels[i++].setText(las + "  " + los);
      }
      for (; i < this.pointLabels.length; i++) pointLabels[i++].setText("");
    }
Ejemplo n.º 4
0
  protected Sector resizeShape(Movable dragObject, int side) {
    if (dragObject instanceof SurfaceSector) {
      SurfaceSector quad = (SurfaceSector) dragObject;
      Sector s = quad.getSector(); // TODO: go over all sectors
      Position p = this.getWwd().getCurrentPosition();

      if (p == null || this.getPreviousPosition() == null) {
        return null;
      }

      Angle dLat = p.getLatitude().subtract(this.getPreviousPosition().getLatitude());
      Angle dLon = p.getLongitude().subtract(this.getPreviousPosition().getLongitude());

      Angle newMinLat = s.getMinLatitude();
      Angle newMinLon = s.getMinLongitude();
      Angle newMaxLat = s.getMaxLatitude();
      Angle newMaxLon = s.getMaxLongitude();

      if (side == NORTH) {
        newMaxLat = s.getMaxLatitude().add(dLat);
      } else if (side == SOUTH) {
        newMinLat = s.getMinLatitude().add(dLat);
      } else if (side == EAST) {
        newMaxLon = s.getMaxLongitude().add(dLon);
      } else if (side == WEST) {
        newMinLon = s.getMinLongitude().add(dLon);
      } else if (side == NORTHWEST) {
        newMaxLat = s.getMaxLatitude().add(dLat);
        newMinLon = s.getMinLongitude().add(dLon);
      } else if (side == NORTHEAST) {
        newMaxLat = s.getMaxLatitude().add(dLat);
        newMaxLon = s.getMaxLongitude().add(dLon);
      } else if (side == SOUTHWEST) {
        newMinLat = s.getMinLatitude().add(dLat);
        newMinLon = s.getMinLongitude().add(dLon);
      } else if (side == SOUTHEAST) {
        newMinLat = s.getMinLatitude().add(dLat);
        newMaxLon = s.getMaxLongitude().add(dLon);
      }

      return new Sector(newMinLat, newMaxLat, newMinLon, newMaxLon);
    }

    return null;
  }
Ejemplo n.º 5
0
    private Info[] buildFreeShapes() {
      double elevation = 10e3;
      ArrayList<Position> positions = new ArrayList<Position>();
      positions.add(
          new Position(Angle.fromDegrees(37.8484), Angle.fromDegrees(-119.9754), elevation));
      positions.add(
          new Position(Angle.fromDegrees(39.3540), Angle.fromDegrees(-110.1526), elevation));
      positions.add(
          new Position(Angle.fromDegrees(38.3540), Angle.fromDegrees(-100.1526), elevation));

      ArrayList<Position> positions2 = new ArrayList<Position>();
      positions2.add(new Position(Angle.fromDegrees(0), Angle.fromDegrees(-150), elevation));
      positions2.add(new Position(Angle.fromDegrees(25), Angle.fromDegrees(-75), elevation));
      positions2.add(new Position(Angle.fromDegrees(50), Angle.fromDegrees(0), elevation));

      ArrayList<Position> positions3 = new ArrayList<Position>();
      for (double lat = 42, lon = -100; lat <= 45; lat += .1, lon += .1) {
        positions3.add(new Position(Angle.fromDegrees(lat), Angle.fromDegrees(lon), elevation));
      }

      ArrayList<Position> positions4 = new ArrayList<Position>();
      positions4.add(new Position(Angle.fromDegrees(90), Angle.fromDegrees(-110), elevation));
      positions4.add(new Position(Angle.fromDegrees(-90), Angle.fromDegrees(-110), elevation));

      ArrayList<Position> positions5 = new ArrayList<Position>();
      for (int i = 0; i < 100; i++) {
        positions5.add(
            Position.fromDegrees(38.0 + i * 0.0001, 30.0 + i * 0.0001, 1000.0 + i * 5.0));
      }

      @SuppressWarnings({"UnnecessaryLocalVariable"})
      Info[] infos =
          new Info[] {
            new Info("Short Path", new Polyline(positions)),
            new Info("Long Path", new Polyline(positions2)),
            new Info("Incremental Path", new Polyline(positions3)),
            new Info("Vertical Path", new Polyline(positions4)),
            new Info("Small-segment Path", new Polyline(positions5)),
            new Info("Quad", new Quadrilateral(Sector.fromDegrees(38, 40, -104, -105), elevation)),
            new Info("None", null)
          };

      return infos;
    }