public void createRenderables() {
      this.gridElements = new ArrayList<GridElement>();
      double gridStep = this.size / 10;
      Position p1, p2;
      ArrayList<Position> positions = new ArrayList<Position>();

      // South-North lines
      for (int i = 1; i <= 9; i++) {
        double easting = this.SWEasting + gridStep * i;
        positions.clear();
        p1 = computePosition(this.UTMZone, this.hemisphere, easting, SWNorthing);
        p2 = computePosition(this.UTMZone, this.hemisphere, easting, SWNorthing + this.size);
        if (this.isTruncated) {
          computeTruncatedSegment(p1, p2, this.UTMZoneSector, positions);
        } else {
          positions.add(p1);
          positions.add(p2);
        }
        if (positions.size() > 0) {
          p1 = positions.get(0);
          p2 = positions.get(1);
          Object polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE);
          Sector lineSector = Sector.boundingSector(p1, p2);
          GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_EASTING);
          ge.setValue(easting);
          this.gridElements.add(ge);
        }
      }
      // West-East lines
      for (int i = 1; i <= 9; i++) {
        double northing = this.SWNorthing + gridStep * i;
        positions.clear();
        p1 = computePosition(this.UTMZone, this.hemisphere, SWEasting, northing);
        p2 = computePosition(this.UTMZone, this.hemisphere, SWEasting + this.size, northing);
        if (this.isTruncated) {
          computeTruncatedSegment(p1, p2, this.UTMZoneSector, positions);
        } else {
          positions.add(p1);
          positions.add(p2);
        }
        if (positions.size() > 0) {
          p1 = positions.get(0);
          p2 = positions.get(1);
          Object polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE);
          Sector lineSector = Sector.boundingSector(p1, p2);
          GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_NORTHING);
          ge.setValue(northing);
          this.gridElements.add(ge);
        }
      }
    }
  public static VirtualEarthTile[] createTiles(
      Sector bbox /*int wwLevel, int wwRow, int wwCol*/, VirtualEarthLayer layer)
      throws WWRuntimeException {
    if (null == bbox) {
      String message = Logging.getMessage("nullValue.SectorIsNull");
      Logging.logger().severe(message);
      throw new WWRuntimeException(message);
    }

    if (null == layer) {
      String message = Logging.getMessage("nullValue.LayerIsNull");
      Logging.logger().severe(message);
      throw new WWRuntimeException(message);
    }

    int level = getZoomLevelByTrueViewRange(bbox.getDeltaLatDegrees());

    Point startPixel =
        LatLongToPixelXY(bbox.getMaxLatitude().degrees, bbox.getMinLongitude().degrees, level);
    Point endPixel =
        LatLongToPixelXY(bbox.getMinLatitude().degrees, bbox.getMaxLongitude().degrees, level);

    Point startTile = PixelXYToTileXY(startPixel.x, startPixel.y);
    Point endTile = PixelXYToTileXY(endPixel.x, endPixel.y);

    ArrayList<VirtualEarthTile> tileList = new ArrayList<VirtualEarthTile>();

    for (int y = startTile.y; y <= endTile.y; y++) {
      for (int x = startTile.x; x <= endTile.x; x++) {
        try {
          int ulPixelX = x * VE_MAX_TILE_SIZE;
          int ulPixelY = y * VE_MAX_TILE_SIZE;
          LatLon ul = PixelXYToLatLong(ulPixelX, ulPixelY, level);

          int lrPixelX = ulPixelX + VE_MAX_TILE_SIZE;
          int lrPixelY = ulPixelY + VE_MAX_TILE_SIZE;
          LatLon lr = PixelXYToLatLong(lrPixelX, lrPixelY, level);

          Sector tileSector = Sector.boundingSector(ul, lr);

          tileList.add(new VirtualEarthTile(x, y, level, layer, tileSector));
        } catch (Exception ex) {
          Logging.logger().log(Level.SEVERE, ex.getMessage(), ex);
        }
      }
    }

    VirtualEarthTile[] tiles = new VirtualEarthTile[tileList.size()];
    return tileList.toArray(tiles);
  }
예제 #3
0
    @Override
    public void render(DrawContext dc) {
      if (dc.isPickingMode() && this.isResizeable()) return;

      // This is called twice: once during normal rendering, then again during ordered surface
      // rendering. During
      // normal renering we render both the interior and border shapes. During ordered surface
      // rendering, both
      // shapes are already added to the DrawContext and both will be individually processed.
      // Therefore we just
      // call our superclass behavior
      if (dc.isOrderedRenderingMode()) {
        super.render(dc);
        return;
      }

      if (!this.isResizeable()) {
        if (this.hasSelection()) {
          this.doRender(dc);
        }
        return;
      }

      PickedObjectList pos = dc.getPickedObjects();
      PickedObject terrainObject = pos != null ? pos.getTerrainObject() : null;

      if (terrainObject == null) return;

      if (this.getStartPosition() != null) {
        Position end = terrainObject.getPosition();
        if (!this.getStartPosition().equals(end)) {
          this.setEndPosition(end);
          this.setSector(Sector.boundingSector(this.getStartPosition(), this.getEndPosition()));
          this.doRender(dc);
        }
      } else {
        this.setStartPosition(pos.getTerrainObject().getPosition());
      }
    }
    public SquareSector(
        int UTMZone,
        String hemisphere,
        Sector UTMZoneSector,
        double SWEasting,
        double SWNorthing,
        double size) {
      this.UTMZone = UTMZone;
      this.hemisphere = hemisphere;
      this.UTMZoneSector = UTMZoneSector;
      this.SWEasting = SWEasting;
      this.SWNorthing = SWNorthing;
      this.size = size;

      // Compute corners positions
      this.sw = computePosition(this.UTMZone, this.hemisphere, SWEasting, SWNorthing);
      this.se = computePosition(this.UTMZone, this.hemisphere, SWEasting + size, SWNorthing);
      this.nw = computePosition(this.UTMZone, this.hemisphere, SWEasting, SWNorthing + size);
      this.ne = computePosition(this.UTMZone, this.hemisphere, SWEasting + size, SWNorthing + size);
      this.squareCenter =
          computePosition(
              this.UTMZone, this.hemisphere, SWEasting + size / 2, SWNorthing + size / 2);

      // Compute approximate bounding sector and center point
      if (this.sw != null && this.se != null && this.nw != null && this.ne != null) {
        adjustDateLineCrossingPoints();
        this.boundingSector = Sector.boundingSector(Arrays.asList(sw, se, nw, ne));
        if (!isInsideGridZone())
          this.boundingSector = this.UTMZoneSector.intersection(this.boundingSector);

        this.centroid =
            this.boundingSector != null ? this.boundingSector.getCentroid() : this.squareCenter;
        // this.squareCenter = this.boundingSector.getCentroid();
      }

      // Check whether this square is truncated by the grid zone boundary
      this.isTruncated = !isInsideGridZone();
    }
    public void createRenderables() {
      this.gridElements = new ArrayList<GridElement>();

      ArrayList<Position> positions = new ArrayList<Position>();
      Position p1, p2;
      Object polyline;
      Sector lineSector;

      // left segment
      positions.clear();
      if (this.isTruncated) {
        computeTruncatedSegment(sw, nw, this.UTMZoneSector, positions);
      } else {
        positions.add(sw);
        positions.add(nw);
      }
      if (positions.size() > 0) {
        p1 = positions.get(0);
        p2 = positions.get(1);
        polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE);
        lineSector = Sector.boundingSector(p1, p2);
        GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_WEST);
        ge.setValue(this.SWEasting);
        this.gridElements.add(ge);
      }

      // right segment
      positions.clear();
      if (this.isTruncated) {
        computeTruncatedSegment(se, ne, this.UTMZoneSector, positions);
      } else {
        positions.add(se);
        positions.add(ne);
      }
      if (positions.size() > 0) {
        p1 = positions.get(0);
        p2 = positions.get(1);
        polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE);
        lineSector = Sector.boundingSector(p1, p2);
        GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_EAST);
        ge.setValue(this.SWEasting + this.size);
        this.gridElements.add(ge);
      }

      // bottom segment
      positions.clear();
      if (this.isTruncated) {
        computeTruncatedSegment(sw, se, this.UTMZoneSector, positions);
      } else {
        positions.add(sw);
        positions.add(se);
      }
      if (positions.size() > 0) {
        p1 = positions.get(0);
        p2 = positions.get(1);
        polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE);
        lineSector = Sector.boundingSector(p1, p2);
        GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_SOUTH);
        ge.setValue(this.SWNorthing);
        this.gridElements.add(ge);
      }

      // top segment
      positions.clear();
      if (this.isTruncated) {
        computeTruncatedSegment(nw, ne, this.UTMZoneSector, positions);
      } else {
        positions.add(nw);
        positions.add(ne);
      }
      if (positions.size() > 0) {
        p1 = positions.get(0);
        p2 = positions.get(1);
        polyline = createLineRenderable(positions, Polyline.GREAT_CIRCLE);
        lineSector = Sector.boundingSector(p1, p2);
        GridElement ge = new GridElement(lineSector, polyline, GridElement.TYPE_LINE_NORTH);
        ge.setValue(this.SWNorthing + this.size);
        this.gridElements.add(ge);
      }

      // Label
      if (this.name != null) {
        // Only add a label to squares above some dimension
        if (this.boundingSector.getDeltaLon().degrees
                    * Math.cos(this.centroid.getLatitude().radians)
                > .2
            && this.boundingSector.getDeltaLat().degrees > .2) {
          LatLon labelPos = null;
          if (this.UTMZone != 0) // Not at poles
          {
            labelPos = this.centroid;
          } else if (this.isPositionInside(new Position(this.squareCenter, 0))) {
            labelPos = this.squareCenter;
          } else if (this.squareCenter.getLatitude().degrees
                  <= this.UTMZoneSector.getMaxLatitude().degrees
              && this.squareCenter.getLatitude().degrees
                  >= this.UTMZoneSector.getMinLatitude().degrees) {
            labelPos = this.centroid;
          }
          if (labelPos != null) {
            GeographicText text = new UserFacingText(this.name, new Position(labelPos, 0));
            text.setPriority(this.size * 10);
            this.gridElements.add(
                new GridElement(this.boundingSector, text, GridElement.TYPE_GRIDZONE_LABEL));
          }
        }
      }
    }