コード例 #1
1
    private void adjustDateLineCrossingPoints() {
      ArrayList<LatLon> corners = new ArrayList<LatLon>(Arrays.asList(sw, se, nw, ne));
      if (!LatLon.locationsCrossDateLine(corners)) return;

      double lonSign = 0;
      for (LatLon corner : corners) {
        if (Math.abs(corner.getLongitude().degrees) != 180)
          lonSign = Math.signum(corner.getLongitude().degrees);
      }

      if (lonSign == 0) return;

      if (Math.abs(sw.getLongitude().degrees) == 180
          && Math.signum(sw.getLongitude().degrees) != lonSign)
        sw = new Position(sw.getLatitude(), sw.getLongitude().multiply(-1), sw.getElevation());
      if (Math.abs(se.getLongitude().degrees) == 180
          && Math.signum(se.getLongitude().degrees) != lonSign)
        se = new Position(se.getLatitude(), se.getLongitude().multiply(-1), se.getElevation());
      if (Math.abs(nw.getLongitude().degrees) == 180
          && Math.signum(nw.getLongitude().degrees) != lonSign)
        nw = new Position(nw.getLatitude(), nw.getLongitude().multiply(-1), nw.getElevation());
      if (Math.abs(ne.getLongitude().degrees) == 180
          && Math.signum(ne.getLongitude().degrees) != lonSign)
        ne = new Position(ne.getLatitude(), ne.getLongitude().multiply(-1), ne.getElevation());
    }
  public int countImagesInSector(Sector sector, int levelNumber) {
    if (sector == null) {
      String msg = Logging.getMessage("nullValue.SectorIsNull");
      Logging.logger().severe(msg);
      throw new IllegalArgumentException(msg);
    }

    Level targetLevel = this.levels.getLastLevel();
    if (levelNumber >= 0) {
      for (int i = levelNumber; i < this.getLevels().getLastLevel().getLevelNumber(); i++) {
        if (this.levels.isLevelEmpty(i)) continue;

        targetLevel = this.levels.getLevel(i);
        break;
      }
    }

    // Collect all the tiles intersecting the input sector.
    LatLon delta = targetLevel.getTileDelta();
    Angle latOrigin = this.levels.getTileOrigin().getLatitude();
    Angle lonOrigin = this.levels.getTileOrigin().getLongitude();
    final int nwRow = Tile.computeRow(delta.getLatitude(), sector.getMaxLatitude(), latOrigin);
    final int nwCol = Tile.computeColumn(delta.getLongitude(), sector.getMinLongitude(), lonOrigin);
    final int seRow = Tile.computeRow(delta.getLatitude(), sector.getMinLatitude(), latOrigin);
    final int seCol = Tile.computeColumn(delta.getLongitude(), sector.getMaxLongitude(), lonOrigin);

    int numRows = nwRow - seRow + 1;
    int numCols = seCol - nwCol + 1;

    return numRows * numCols;
  }
  private void drawTileIDs(DrawContext dc, ArrayList<MercatorTextureTile> tiles) {
    java.awt.Rectangle viewport = dc.getView().getViewport();
    if (this.textRenderer == null) {
      this.textRenderer = new TextRenderer(java.awt.Font.decode("Arial-Plain-13"), true, true);
      this.textRenderer.setUseVertexArrays(false);
    }

    dc.getGL().glDisable(GL.GL_DEPTH_TEST);
    dc.getGL().glDisable(GL.GL_BLEND);
    dc.getGL().glDisable(GL.GL_TEXTURE_2D);

    this.textRenderer.setColor(java.awt.Color.YELLOW);
    this.textRenderer.beginRendering(viewport.width, viewport.height);
    for (MercatorTextureTile tile : tiles) {
      String tileLabel = tile.getLabel();

      if (tile.getFallbackTile() != null) tileLabel += "/" + tile.getFallbackTile().getLabel();

      LatLon ll = tile.getSector().getCentroid();
      Vec4 pt =
          dc.getGlobe()
              .computePointFromPosition(
                  ll.getLatitude(),
                  ll.getLongitude(),
                  dc.getGlobe().getElevation(ll.getLatitude(), ll.getLongitude()));
      pt = dc.getView().project(pt);
      this.textRenderer.draw(tileLabel, (int) pt.x, (int) pt.y);
    }
    this.textRenderer.endRendering();
  }
コード例 #4
0
ファイル: Shapes.java プロジェクト: syzh1991/DigitalEarth
    private Info[] buildSurfaceShapes() {
      LatLon position = new LatLon(Angle.fromDegrees(38), Angle.fromDegrees(-105));

      ArrayList<LatLon> surfaceLinePositions = new ArrayList<LatLon>();
      //            surfaceLinePositions.add(LatLon.fromDegrees(37.8484, -119.9754));
      //            surfaceLinePositions.add(LatLon.fromDegrees(38.3540, -119.1526));

      //            surfaceLinePositions.add(new LatLon(Angle.fromDegrees(0),
      // Angle.fromDegrees(-150)));
      //            surfaceLinePositions.add(new LatLon(Angle.fromDegrees(60),
      // Angle.fromDegrees(0)));

      surfaceLinePositions.add(position);
      surfaceLinePositions.add(LatLon.fromDegrees(39, -104));
      surfaceLinePositions.add(LatLon.fromDegrees(39, -105));
      surfaceLinePositions.add(position);

      return new Info[] {
        new Info("Circle", new SurfaceCircle(position, 100e3)),
        new Info("Ellipse", new SurfaceEllipse(position, 100e3, 90e3, Angle.ZERO)),
        new Info("Square", new SurfaceSquare(position, 100e3)),
        new Info("Quad", new SurfaceQuad(position, 100e3, 60e3, Angle.ZERO)),
        new Info("Sector", new SurfaceSector(Sector.fromDegrees(38, 40, -105, -103))),
        new Info("Polygon", new SurfacePolygon(surfaceLinePositions)),
      };
    }
コード例 #5
0
  protected void movePolygon(Point previousMousePoint, Point mousePoint) {
    // Intersect a ray through each mouse point, with a geoid passing through the reference
    // elevation.
    // If either ray fails to intersect the geoid, then ignore this event. Use the difference
    // between the two
    // intersected positions to move the control point's location.

    View view = this.wwd.getView();
    Globe globe = this.wwd.getModel().getGlobe();

    Position refPos = this.polygon.getReferencePosition();
    if (refPos == null) return;

    Line ray = view.computeRayFromScreenPoint(mousePoint.getX(), mousePoint.getY());
    Line previousRay =
        view.computeRayFromScreenPoint(previousMousePoint.getX(), previousMousePoint.getY());

    Vec4 vec = AirspaceEditorUtil.intersectGlobeAt(this.wwd, refPos.getElevation(), ray);
    Vec4 previousVec =
        AirspaceEditorUtil.intersectGlobeAt(this.wwd, refPos.getElevation(), previousRay);

    if (vec == null || previousVec == null) {
      return;
    }

    Position pos = globe.computePositionFromPoint(vec);
    Position previousPos = globe.computePositionFromPoint(previousVec);
    LatLon change = pos.subtract(previousPos);

    this.polygon.move(new Position(change.getLatitude(), change.getLongitude(), 0.0));
  }
コード例 #6
0
 protected Vec4 getPoint(LatLon latlon, double elevation) {
   SceneController sc = this.getApp().getWwd().getSceneController();
   Globe globe = this.getApp().getWwd().getModel().getGlobe();
   double e = globe.getElevation(latlon.getLatitude(), latlon.getLongitude());
   return globe.computePointFromPosition(
       latlon.getLatitude(),
       latlon.getLongitude(),
       (e + elevation) * sc.getVerticalExaggeration());
 }
コード例 #7
0
    public void doActionOnButton3() {
      //            Sector sector = Sector.fromDegrees( 44d, 46d, -123.3d, -123.2d );

      ArrayList<LatLon> latlons = new ArrayList<LatLon>();

      latlons.add(LatLon.fromDegrees(45.50d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.51d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.52d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.53d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.54d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.55d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.56d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.57d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.58d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.59d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.60d, -123.3d));

      ElevationModel model = this.wwd.getModel().getGlobe().getElevationModel();

      StringBuffer sb = new StringBuffer();
      for (LatLon ll : latlons) {
        double e = model.getElevation(ll.getLatitude(), ll.getLongitude());
        sb.append("\n").append(e);
      }

      Logging.logger().info(sb.toString());
    }
コード例 #8
0
  protected void doMoveAirspaceLaterally(
      WorldWindow wwd, Airspace airspace, Point mousePoint, Point previousMousePoint) {
    // Intersect a ray throuh each mouse point, with a geoid passing through the reference
    // elevation. Since
    // most airspace control points follow a fixed altitude, this will track close to the intended
    // mouse position.
    // If either ray fails to intersect the geoid, then ignore this event. Use the difference
    // between the two
    // intersected positions to move the control point's location.

    if (!(airspace instanceof Movable)) {
      return;
    }

    Movable movable = (Movable) airspace;
    View view = wwd.getView();
    Globe globe = wwd.getModel().getGlobe();

    Position refPos = movable.getReferencePosition();
    if (refPos == null) return;

    // Convert the reference position into a cartesian point. This assumes that the reference
    // elevation is defined
    // by the airspace's lower altitude.
    Vec4 refPoint = null;
    if (airspace.isTerrainConforming()[LOWER_ALTITUDE])
      refPoint = wwd.getSceneController().getTerrain().getSurfacePoint(refPos);
    if (refPoint == null) refPoint = globe.computePointFromPosition(refPos);

    // Convert back to a position.
    refPos = globe.computePositionFromPoint(refPoint);

    Line ray = view.computeRayFromScreenPoint(mousePoint.getX(), mousePoint.getY());
    Line previousRay =
        view.computeRayFromScreenPoint(previousMousePoint.getX(), previousMousePoint.getY());

    Vec4 vec = AirspaceEditorUtil.intersectGlobeAt(wwd, refPos.getElevation(), ray);
    Vec4 previousVec = AirspaceEditorUtil.intersectGlobeAt(wwd, refPos.getElevation(), previousRay);

    if (vec == null || previousVec == null) {
      return;
    }

    Position pos = globe.computePositionFromPoint(vec);
    Position previousPos = globe.computePositionFromPoint(previousVec);
    LatLon change = pos.subtract(previousPos);

    movable.move(new Position(change.getLatitude(), change.getLongitude(), 0.0));

    this.fireAirspaceMoved(new AirspaceEditEvent(wwd, airspace, this));
  }
  private MercatorTextureTile[][] getTilesInSector(Sector sector, int levelNumber) {
    if (sector == null) {
      String msg = Logging.getMessage("nullValue.SectorIsNull");
      Logging.logger().severe(msg);
      throw new IllegalArgumentException(msg);
    }

    Level targetLevel = this.levels.getLastLevel();
    if (levelNumber >= 0) {
      for (int i = levelNumber; i < this.getLevels().getLastLevel().getLevelNumber(); i++) {
        if (this.levels.isLevelEmpty(i)) continue;

        targetLevel = this.levels.getLevel(i);
        break;
      }
    }

    // Collect all the tiles intersecting the input sector.
    LatLon delta = targetLevel.getTileDelta();
    Angle latOrigin = this.levels.getTileOrigin().getLatitude();
    Angle lonOrigin = this.levels.getTileOrigin().getLongitude();
    final int nwRow = Tile.computeRow(delta.getLatitude(), sector.getMaxLatitude(), latOrigin);
    final int nwCol = Tile.computeColumn(delta.getLongitude(), sector.getMinLongitude(), lonOrigin);
    final int seRow = Tile.computeRow(delta.getLatitude(), sector.getMinLatitude(), latOrigin);
    final int seCol = Tile.computeColumn(delta.getLongitude(), sector.getMaxLongitude(), lonOrigin);

    int numRows = nwRow - seRow + 1;
    int numCols = seCol - nwCol + 1;
    MercatorTextureTile[][] sectorTiles = new MercatorTextureTile[numRows][numCols];

    for (int row = nwRow; row >= seRow; row--) {
      for (int col = nwCol; col <= seCol; col++) {
        TileKey key =
            new TileKey(targetLevel.getLevelNumber(), row, col, targetLevel.getCacheName());
        Sector tileSector = this.levels.computeSectorForKey(key);
        MercatorSector mSector = MercatorSector.fromSector(tileSector); // TODO: check
        sectorTiles[nwRow - row][col - nwCol] =
            new MercatorTextureTile(mSector, targetLevel, row, col);
      }
    }

    return sectorTiles;
  }
コード例 #10
0
  protected void assembleVertexControlPoints(DrawContext dc) {
    Terrain terrain = dc.getTerrain();
    ExtrudedPolygon polygon = this.getPolygon();

    Position refPos = polygon.getReferencePosition();
    Vec4 refPoint = terrain.getSurfacePoint(refPos.getLatitude(), refPos.getLongitude(), 0);

    int altitudeMode = polygon.getAltitudeMode();
    double height = polygon.getHeight();

    Vec4 vaa = null;
    double vaaLength = 0; // used to compute independent length of each cap vertex
    double vaLength = 0;

    int i = 0;
    for (LatLon location : polygon.getOuterBoundary()) {
      Vec4 vert;

      // Compute the top/cap point.
      if (altitudeMode == WorldWind.CONSTANT || !(location instanceof Position)) {
        if (vaa == null) {
          // Compute the vector lengths of the top and bottom points at the reference position.
          vaa = refPoint.multiply3(height / refPoint.getLength3());
          vaaLength = vaa.getLength3();
          vaLength = refPoint.getLength3();
        }

        // Compute the bottom point, which is on the terrain.
        vert = terrain.getSurfacePoint(location.getLatitude(), location.getLongitude(), 0);

        double delta = vaLength - vert.dot3(refPoint) / vaLength;
        vert = vert.add3(vaa.multiply3(1d + delta / vaaLength));
      } else if (altitudeMode == WorldWind.RELATIVE_TO_GROUND) {
        vert =
            terrain.getSurfacePoint(
                location.getLatitude(),
                location.getLongitude(),
                ((Position) location).getAltitude());
      } else // WorldWind.ABSOLUTE
      {
        vert =
            terrain
                .getGlobe()
                .computePointFromPosition(
                    location.getLatitude(),
                    location.getLongitude(),
                    ((Position) location).getAltitude() * terrain.getVerticalExaggeration());
      }

      Position vertexPosition = this.wwd.getModel().getGlobe().computePositionFromPoint(vert);

      this.controlPoints.add(
          new ControlPointMarker(
              MOVE_VERTEX_ACTION, vertexPosition, vert, this.vertexControlAttributes, i));
      i++;
    }
  }
コード例 #11
0
    protected Vec4 getSurfacePoint(LatLon latlon, double elevation) {
      Vec4 point = null;

      SceneController sc = this.getApp().getWwd().getSceneController();
      Globe globe = this.getApp().getWwd().getModel().getGlobe();

      if (sc.getTerrain() != null) {
        point =
            sc.getTerrain()
                .getSurfacePoint(
                    latlon.getLatitude(),
                    latlon.getLongitude(),
                    elevation * sc.getVerticalExaggeration());
      }

      if (point == null) {
        double e = globe.getElevation(latlon.getLatitude(), latlon.getLongitude());
        point =
            globe.computePointFromPosition(
                latlon.getLatitude(),
                latlon.getLongitude(),
                (e + elevation) * sc.getVerticalExaggeration());
      }

      return point;
    }
コード例 #12
0
  @SuppressWarnings({"UnusedDeclaration"})
  protected void doMoved(PositionEvent event) {
    if (this.active
        && rubberBandTarget != null
        && this.measureTool.getWwd().getObjectsAtCurrentPosition() != null
        && this.measureTool.getWwd().getObjectsAtCurrentPosition().getTerrainObject() != null) {
      if (!isFreeHand()
          || (!measureTool.getMeasureShapeType().equals(MeasureTool.SHAPE_PATH)
              && !measureTool.getMeasureShapeType().equals(MeasureTool.SHAPE_POLYGON))) {
        // Rubber band - Move control point and update shape
        Position lastPosition = rubberBandTarget.getPosition();
        PickedObjectList pol = measureTool.getWwd().getObjectsAtCurrentPosition();
        PickedObject to = pol.getTerrainObject();
        rubberBandTarget.setPosition(new Position(to.getPosition(), 0));
        measureTool.moveControlPoint(rubberBandTarget);
        measureTool.firePropertyChange(
            MeasureTool.EVENT_POSITION_REPLACE, lastPosition, rubberBandTarget.getPosition());
        measureTool.getWwd().redraw();
      } else {
        // Free hand - Compute distance from current control point (rubber band target)
        Position lastPosition = rubberBandTarget.getPosition();
        Position newPosition = measureTool.getWwd().getCurrentPosition();
        double distance =
            LatLon.greatCircleDistance(lastPosition, newPosition).radians
                * measureTool.getWwd().getModel().getGlobe().getRadius();
        if (distance >= freeHandMinSpacing) {
          // Add new control point
          measureTool.addControlPoint();
          rubberBandTarget =
              (MeasureTool.ControlPoint)
                  getMeasureTool()
                      .getControlPoints()
                      .get(getMeasureTool().getControlPoints().size() - 1);
          measureTool.getWwd().redraw();
        }
      }
    } else if (this.moving
        && movingTarget != null
        && measureTool.getWwd().getCurrentPosition() != null) {
      // Moving the whole shape
      Position lastPosition = movingTarget.getPosition();
      Position newPosition = measureTool.getWwd().getCurrentPosition();
      this.moveToPosition(lastPosition, newPosition);

      // Update the tool tip to follow the shape as it moves.
      if (measureTool.isShowAnnotation()) measureTool.updateAnnotation(movingTarget.getPosition());

      measureTool.getWwd().redraw();
    }
  }
コード例 #13
0
  /**
   * Converts a point from pixel XY coordinates at a specified level of detail into
   * latitude/longitude WGS-84 coordinates (in degrees)
   *
   * @param pixelX X coordinate in pixels
   * @param pixelY Y coordinate in pixels
   * @param levelOfDetail Level of detail, from 1 (lowest detail) to 23 (highest detail)
   * @return LatLon Geodetic coordinates
   */
  public static LatLon PixelXYToLatLong(int pixelX, int pixelY, int levelOfDetail) {
    double mapSize = (double) calcMapSize(levelOfDetail);

    double x = (pixelX - 0.5) / mapSize;
    double y = (pixelY - 0.5) / mapSize;

    double lon = 360 * x - 180;

    double b = Math.pow(Math.E, -4 * Math.PI * (y - 0.5));
    double sinLatitude = (b - 1) / (1 + b);

    double lat = Math.asin(sinLatitude) * 180 / Math.PI;

    return LatLon.fromDegrees(lat, lon);
  }
コード例 #14
0
    protected void initializePolygon(WorldWindow wwd, Polygon polygon, boolean fitShapeToViewport) {
      // Creates a rectangle in the center of the viewport. Attempts to guess at a reasonable size
      // and height.

      Position position = ShapeUtils.getNewShapePosition(wwd);
      Angle heading = ShapeUtils.getNewShapeHeading(wwd, true);
      double sizeInMeters =
          fitShapeToViewport ? ShapeUtils.getViewportScaleFactor(wwd) : DEFAULT_SHAPE_SIZE_METERS;

      java.util.List<LatLon> locations =
          ShapeUtils.createSquareInViewport(wwd, position, heading, sizeInMeters);

      double maxElevation = -Double.MAX_VALUE;
      Globe globe = wwd.getModel().getGlobe();

      for (LatLon ll : locations) {
        double e = globe.getElevation(ll.getLatitude(), ll.getLongitude());
        if (e > maxElevation) maxElevation = e;
      }

      polygon.setAltitudes(0.0, maxElevation + sizeInMeters);
      polygon.setTerrainConforming(true, false);
      polygon.setLocations(locations);
    }
コード例 #15
0
    public void doActionOnButton1() {
      Logging.logger().info("Zooming to Matterhorn");

      View view = this.wwd.getView();

      Position matterhorn =
          new Position(LatLon.fromDegrees(45.9763888888889d, 7.65833333333333d), 0d);

      //            Position eyePos = new Position( LatLon.fromDegrees( 46.01066860997058d,
      // 7.633097536001656d ), 3363d );
      //
      //            view.setEyePosition( eyePos );
      //            view.setHeading( Angle.fromDegrees( 156d ));
      //            view.setPitch( Angle.fromDegrees( 89.9d ));

      view.goTo(matterhorn, 5000d);
    }
コード例 #16
0
ファイル: WorldMapLayer.java プロジェクト: ubdsgroup/wglobe
 /**
  * Compute the view range footprint on the globe.
  *
  * @param dc the current <code>DrawContext</code>
  * @param steps the number of steps.
  * @return an array list of <code>LatLon</code> forming a closed shape.
  */
 protected ArrayList<LatLon> computeViewFootPrint(DrawContext dc, int steps) {
   ArrayList<LatLon> positions = new ArrayList<LatLon>();
   Position eyePos = dc.getView().getEyePosition();
   Angle distance =
       Angle.fromRadians(
           Math.asin(
               dc.getView().getFarClipDistance()
                   / (dc.getGlobe().getRadius() + eyePos.getElevation())));
   if (distance.degrees > 10) {
     double headStep = 360d / steps;
     Angle heading = Angle.ZERO;
     for (int i = 0; i <= steps; i++) {
       LatLon p = LatLon.greatCircleEndPosition(eyePos, heading, distance);
       positions.add(p);
       heading = heading.addDegrees(headStep);
     }
     return positions;
   } else return null;
 }
コード例 #17
0
    public void actionPerformed(ActionEvent e) {
      if (!this.isEnabled()) {
        return;
      }

      if (NEW_AIRSPACE.equals(e.getActionCommand())) {
        this.createNewEntry(this.getView().getSelectedFactory());
      } else if (CLEAR_SELECTION.equals(e.getActionCommand())) {
        this.selectEntry(null, true);
      } else if (SIZE_NEW_SHAPES_TO_VIEWPORT.equals(e.getActionCommand())) {
        if (e.getSource() instanceof AbstractButton) {
          boolean selected = ((AbstractButton) e.getSource()).isSelected();
          this.setResizeNewShapesToViewport(selected);
        }
      } else if (ENABLE_EDIT.equals(e.getActionCommand())) {
        if (e.getSource() instanceof AbstractButton) {
          boolean selected = ((AbstractButton) e.getSource()).isSelected();
          this.setEnableEdit(selected);
        }
      } else if (OPEN.equals(e.getActionCommand())) {
        this.openFromFile();
      } else if (OPEN_URL.equals(e.getActionCommand())) {
        this.openFromURL();
      } else if (OPEN_DEMO_AIRSPACES.equals(e.getActionCommand())) {
        this.openFromPath(DEMO_AIRSPACES_PATH);
        this.zoomTo(
            LatLon.fromDegrees(47.6584074779224, -122.3059199579634),
            Angle.fromDegrees(-152),
            Angle.fromDegrees(75),
            750);
      } else if (REMOVE_SELECTED.equals(e.getActionCommand())) {
        this.removeEntries(Arrays.asList(this.getSelectedEntries()));
      } else if (SAVE.equals(e.getActionCommand())) {
        this.saveToFile();
      } else if (SELECTION_CHANGED.equals(e.getActionCommand())) {
        this.viewSelectionChanged();
      }
    }
コード例 #18
0
 protected void setCursor(MeasureTool.ControlPoint controlPoint) {
   // TODO: handle 'rotating' mode cursor is this.isRotating() - when using Alt key on regular
   // shapes
   if (controlPoint == null) {
     setComponentCursor(null);
   } else {
     if (this.measureTool.isRegularShape()) {
       if (this.measureTool.isCornerControl(controlPoint)) {
         Angle azimuth =
             LatLon.greatCircleAzimuth(
                 controlPoint.getPosition(), this.measureTool.getCenterPosition());
         // Account for view heading in cursor selection
         azimuth = azimuth.subtract(this.measureTool.getWwd().getView().getHeading());
         setComponentCursor(selectResizeCursor(azimuth));
       } else if (this.measureTool.isCenterControl(controlPoint)) {
         setComponentCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
       }
     } else {
       // Line, path and polygon
       setComponentCursor(Cursor.getPredefinedCursor(Cursor.MOVE_CURSOR));
     }
   }
 }
コード例 #19
0
    public void doActionOnButton2() {
      ArrayList<LatLon> latlons = new ArrayList<LatLon>();

      latlons.add(LatLon.fromDegrees(45.50d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.51d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.52d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.53d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.54d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.55d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.56d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.57d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.58d, -123.3d));
      //            latlons.add( LatLon.fromDegrees( 45.59d, -123.3d ) );
      latlons.add(LatLon.fromDegrees(45.60d, -123.3d));

      Sector sector = Sector.fromDegrees(44d, 46d, -123d, -121d);
      //            Sector sector = Sector.boundingSector( latlons );

      double[] elevations = new double[latlons.size()];

      // request resolution of DTED2 (1degree / 3600 )
      double targetResolution = Angle.fromDegrees(1d).radians / 3600;

      double resolutionAchieved =
          this.wwd
              .getModel()
              .getGlobe()
              .getElevationModel()
              .getElevations(sector, latlons, targetResolution, elevations);

      StringBuffer sb = new StringBuffer();
      for (double e : elevations) {
        sb.append("\n").append(e);
      }
      sb.append("\nresolutionAchieved = ").append(resolutionAchieved);
      sb.append(", requested resolution = ").append(targetResolution);

      Logging.logger().info(sb.toString());
    }
コード例 #20
0
 /**
  * Move the shape to the specified new position
  *
  * @param oldPosition Previous position of shape
  * @param newPosition New position for shape
  */
 protected void moveToPosition(Position oldPosition, Position newPosition) {
   Angle distanceAngle = LatLon.greatCircleDistance(oldPosition, newPosition);
   Angle azimuthAngle = LatLon.greatCircleAzimuth(oldPosition, newPosition);
   measureTool.moveMeasureShape(azimuthAngle, distanceAngle);
   measureTool.firePropertyChange(MeasureTool.EVENT_POSITION_REPLACE, oldPosition, newPosition);
 }
コード例 #21
0
  public BarycentricQuadrilateral(LatLon p00, LatLon p10, LatLon p11, LatLon p01) {
    super(p00, p10, p01);

    this.p11 = new Vec4(p11.getLongitude().getRadians(), p11.getLatitude().getRadians(), 0);
    this.w11 = this.getBarycentricCoords(this.p11);
  }
コード例 #22
0
ファイル: WorldMapLayer.java プロジェクト: ubdsgroup/wglobe
  protected void drawIcon(DrawContext dc) {
    if (this.getIconFilePath() == null) return;

    GL gl = dc.getGL();
    OGLStackHandler ogsh = new OGLStackHandler();

    try {
      // Initialize texture if necessary
      Texture iconTexture = dc.getTextureCache().getTexture(this.getIconFilePath());
      if (iconTexture == null) {
        this.initializeTexture(dc);
        iconTexture = dc.getTextureCache().getTexture(this.getIconFilePath());
        if (iconTexture == null) {
          String msg = Logging.getMessage("generic.ImageReadFailed");
          Logging.logger().finer(msg);
          return;
        }
      }
      gl.glDisable(GL.GL_DEPTH_TEST);

      double width = this.getScaledIconWidth();
      double height = this.getScaledIconHeight();

      // Load a parallel projection with xy dimensions (viewportWidth, viewportHeight)
      // into the GL projection matrix.
      java.awt.Rectangle viewport = dc.getView().getViewport();
      ogsh.pushProjectionIdentity(gl);
      double maxwh = width > height ? width : height;
      gl.glOrtho(0d, viewport.width, 0d, viewport.height, -0.6 * maxwh, 0.6 * maxwh);

      // Translate and scale
      ogsh.pushModelviewIdentity(gl);
      double scale = this.computeScale(viewport);
      Vec4 locationSW = this.computeLocation(viewport, scale);
      gl.glTranslated(locationSW.x(), locationSW.y(), locationSW.z());
      // Scale to 0..1 space
      gl.glScaled(scale, scale, 1);
      gl.glScaled(width, height, 1d);

      if (!dc.isPickingMode()) {
        gl.glEnable(GL.GL_BLEND);
        gl.glBlendFunc(GL.GL_SRC_ALPHA, GL.GL_ONE_MINUS_SRC_ALPHA);

        // Draw background color behind the map
        gl.glColor4ub(
            (byte) this.backColor.getRed(),
            (byte) this.backColor.getGreen(),
            (byte) this.backColor.getBlue(),
            (byte) (this.backColor.getAlpha() * this.getOpacity()));
        dc.drawUnitQuad();

        // Draw world map icon
        gl.glColor4d(1d, 1d, 1d, this.getOpacity());
        gl.glEnable(GL.GL_TEXTURE_2D);
        iconTexture.bind();

        TextureCoords texCoords = iconTexture.getImageTexCoords();
        dc.drawUnitQuad(texCoords);
        gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
        gl.glDisable(GL.GL_TEXTURE_2D);

        // Draw crosshair for current location
        gl.glLoadIdentity();
        gl.glTranslated(locationSW.x(), locationSW.y(), locationSW.z());
        // Scale to width x height space
        gl.glScaled(scale, scale, 1);
        // Set color
        float[] colorRGB = this.color.getRGBColorComponents(null);
        gl.glColor4d(colorRGB[0], colorRGB[1], colorRGB[2], this.getOpacity());

        // Draw crosshair
        Position groundPos = this.computeGroundPosition(dc, dc.getView());
        if (groundPos != null) {
          int x = (int) (width * (groundPos.getLongitude().degrees + 180) / 360);
          int y = (int) (height * (groundPos.getLatitude().degrees + 90) / 180);
          int w = 10; // cross branch length
          // Draw
          gl.glBegin(GL.GL_LINE_STRIP);
          gl.glVertex3d(x - w, y, 0);
          gl.glVertex3d(x + w + 1, y, 0);
          gl.glEnd();
          gl.glBegin(GL.GL_LINE_STRIP);
          gl.glVertex3d(x, y - w, 0);
          gl.glVertex3d(x, y + w + 1, 0);
          gl.glEnd();
        }

        // Draw view footprint in map icon space
        if (this.showFootprint) {
          this.footPrintPositions = this.computeViewFootPrint(dc, 32);
          if (this.footPrintPositions != null) {
            gl.glBegin(GL.GL_LINE_STRIP);
            LatLon p1 = this.footPrintPositions.get(0);
            for (LatLon p2 : this.footPrintPositions) {
              int x = (int) (width * (p2.getLongitude().degrees + 180) / 360);
              int y = (int) (height * (p2.getLatitude().degrees + 90) / 180);
              // Draw
              if (LatLon.locationsCrossDateline(p1, p2)) {
                int y1 = (int) (height * (p1.getLatitude().degrees + 90) / 180);
                gl.glVertex3d(x < width / 2 ? width : 0, (y1 + y) / 2, 0);
                gl.glEnd();
                gl.glBegin(GL.GL_LINE_STRIP);
                gl.glVertex3d(x < width / 2 ? 0 : width, (y1 + y) / 2, 0);
              }
              gl.glVertex3d(x, y, 0);
              p1 = p2;
            }
            gl.glEnd();
          }
        }
        // Draw 1px border around and inside the map
        gl.glBegin(GL.GL_LINE_STRIP);
        gl.glVertex3d(0, 0, 0);
        gl.glVertex3d(width, 0, 0);
        gl.glVertex3d(width, height - 1, 0);
        gl.glVertex3d(0, height - 1, 0);
        gl.glVertex3d(0, 0, 0);
        gl.glEnd();
      } else {
        // Picking
        this.pickSupport.clearPickList();
        this.pickSupport.beginPicking(dc);
        // Where in the world are we picking ?
        Position pickPosition =
            computePickPosition(
                dc, locationSW, new Dimension((int) (width * scale), (int) (height * scale)));
        Color color = dc.getUniquePickColor();
        int colorCode = color.getRGB();
        this.pickSupport.addPickableObject(colorCode, this, pickPosition, false);
        gl.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue());
        dc.drawUnitQuad();
        this.pickSupport.endPicking(dc);
        this.pickSupport.resolvePick(dc, dc.getPickPoint(), this);
      }
    } finally {
      dc.restoreDefaultDepthTesting();
      dc.restoreDefaultCurrentColor();
      if (dc.isPickingMode()) dc.restoreDefaultBlending();
      ogsh.pop(gl);
    }
  }
コード例 #23
0
 protected Angle computeHeading(Position pa, Position pb) {
   return LatLon.greatCircleAzimuth(pa, pb);
 }
コード例 #24
0
    public void doActionOnButton4() {
      ArrayList<LatLon> locations = new ArrayList<LatLon>();

      locations.add(LatLon.fromDegrees(45.50d, -123.3d));
      locations.add(LatLon.fromDegrees(45.52d, -123.3d));
      locations.add(LatLon.fromDegrees(45.54d, -123.3d));
      locations.add(LatLon.fromDegrees(45.56d, -123.3d));
      locations.add(LatLon.fromDegrees(45.58d, -123.3d));
      locations.add(LatLon.fromDegrees(45.60d, -123.3d));

      locations.add(LatLon.fromDegrees(40.50d, -120.1d));
      locations.add(LatLon.fromDegrees(40.52d, -120.2d));
      locations.add(LatLon.fromDegrees(40.54d, -120.3d));
      locations.add(LatLon.fromDegrees(40.56d, -120.4d));
      locations.add(LatLon.fromDegrees(40.58d, -120.5d));
      locations.add(LatLon.fromDegrees(40.60d, -120.6d));

      // Now, let's find WMSBasicElevationModel
      WMSBasicElevationModel wmsbem = null;

      ElevationModel model = this.wwd.getModel().getGlobe().getElevationModel();
      if (model instanceof CompoundElevationModel) {
        CompoundElevationModel cbem = (CompoundElevationModel) model;
        for (ElevationModel em : cbem.getElevationModels()) {
          // you can have additional checks if you know specific model name, etc.
          if (em instanceof WMSBasicElevationModel) {
            wmsbem = (WMSBasicElevationModel) em;
            break;
          }
        }
      } else if (model instanceof WMSBasicElevationModel) {
        wmsbem = (WMSBasicElevationModel) model;
      }

      if (null != wmsbem) {
        ElevationsRetriever retriever =
            new ElevationsRetriever(wmsbem, locations, 10000, 30000, new NotifyWhenReady());
        retriever.start();
      } else {
        String message =
            Logging.getMessage(
                "ElevationModel.ExceptionRequestingElevations",
                "No instance of WMSBasicElevationModel was found");
        Logging.logger().severe(message);
      }
    }