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();
  }
예제 #3
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++;
    }
  }
    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());
    }
예제 #5
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  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));
  }
  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;
  }
예제 #7
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  protected int computeCartesianPolygon(
      Globe globe,
      List<? extends LatLon> locations,
      List<Boolean> edgeFlags,
      Vec4[] points,
      Boolean[] edgeFlagArray,
      Matrix[] transform) {
    if (globe == null) {
      String message = Logging.getMessage("nullValue.GlobeIsNull");
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }
    if (locations == null) {
      String message = "nullValue.LocationsIsNull";
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }
    if (points == null) {
      String message = "nullValue.LocationsIsNull";
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }
    if (points.length < (1 + locations.size())) {
      String message =
          Logging.getMessage(
              "generic.ArrayInvalidLength", "points.length < " + (1 + locations.size()));
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }
    if (transform == null) {
      String message = "nullValue.TransformIsNull";
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }
    if (transform.length < 1) {
      String message = Logging.getMessage("generic.ArrayInvalidLength", "transform.length < 1");
      Logging.logger().severe(message);
      throw new IllegalArgumentException(message);
    }

    // Allocate space to hold the list of locations and location vertices.
    int locationCount = locations.size();

    // Compute the cartesian points for each location.
    for (int i = 0; i < locationCount; i++) {
      LatLon ll = locations.get(i);
      points[i] = globe.computePointFromPosition(ll.getLatitude(), ll.getLongitude(), 0.0);

      if (edgeFlagArray != null) edgeFlagArray[i] = (edgeFlags != null) ? edgeFlags.get(i) : true;
    }

    // Compute the average of the cartesian points.
    Vec4 centerPoint = Vec4.computeAveragePoint(Arrays.asList(points));

    // Test whether the polygon is closed. If it is not closed, repeat the first vertex.
    if (!points[0].equals(points[locationCount - 1])) {
      points[locationCount] = points[0];
      if (edgeFlagArray != null) edgeFlagArray[locationCount] = edgeFlagArray[0];

      locationCount++;
    }

    // Compute a transform that will map the cartesian points to a local coordinate system centered
    // at the average
    // of the points and oriented with the globe surface.
    Position centerPos = globe.computePositionFromPoint(centerPoint);
    Matrix tx = globe.computeSurfaceOrientationAtPosition(centerPos);
    Matrix txInv = tx.getInverse();
    // Map the cartesian points to a local coordinate space.
    for (int i = 0; i < locationCount; i++) {
      points[i] = points[i].transformBy4(txInv);
    }

    transform[0] = tx;

    return locationCount;
  }
예제 #8
0
  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);
    }
  }