Examples of com.spatial4j.core.shape.Rectangle

com.spatial4j.core.shape.Rectangle
A rectangle aligned with the axis (i.e. it is not at an angle).
In geospatial contexts, it may cross the international date line (-180 longitude) if {@link #getCrossesDateLine()} however it cannot pass the polesalthough it may span the globe. It spans the globe if the X coordinate (Longitude) goes from -180 to 180 as seen from {@link #getMinX()} and {@link #getMaxX()}.

   * one tenth the distance to the farthest edge from the center. Thus the
   * scores will be 1 for indexed points at the center of the query shape and as
   * low as ~0.1 at its furthest edges.
   */
  public final ValueSource makeRecipDistanceValueSource(Shape queryShape) {
    Rectangle bbox = queryShape.getBoundingBox();
    double diagonalDist = ctx.getDistCalc().distance(
        ctx.makePoint(bbox.getMinX(), bbox.getMinY()), bbox.getMaxX(), bbox.getMaxY());
    double distToEdge = diagonalDist * 0.5;
    float c = (float)distToEdge * 0.1f;//one tenth
    return new ReciprocalFloatFunction(makeDistanceValueSource(queryShape.getCenter()), 1f, c, c);
  }

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        SpatialOperation.Intersects,
        SpatialOperation.IsWithin ))
      throw new UnsupportedSpatialOperation(args.getOperation());
    Shape shape = args.getShape();
    if (shape instanceof Rectangle) {
      Rectangle bbox = (Rectangle) shape;
      return new ConstantScoreQuery(makeWithin(bbox));
    } else if (shape instanceof Circle) {
      Circle circle = (Circle)shape;
      Rectangle bbox = circle.getBoundingBox();
      ValueSourceFilter vsf = new ValueSourceFilter(
          new QueryWrapperFilter(makeWithin(bbox)),
          makeDistanceValueSource(circle.getCenter()),
          0,
          circle.getRadius() );

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    if (!(shape instanceof Rectangle || shape instanceof Circle)) {
      throw new UnsupportedOperationException("Only Rectangles and Circles are currently supported, " +
          "found [" + shape.getClass() + "]");//TODO
    }


    Rectangle bbox = shape.getBoundingBox();


    if (bbox.getCrossesDateLine()) {
      throw new UnsupportedOperationException( "Crossing dateline not yet supported" );
    }


    ValueSource valueSource = null;

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      throw new RuntimeException("IOException thrown while executing query", ioe);
    }
  }


  protected Point randomPoint() {
    final Rectangle WB = ctx.getWorldBounds();
    return ctx.makePoint(
        randomIntBetween((int) WB.getMinX(), (int) WB.getMaxX()),
        randomIntBetween((int) WB.getMinY(), (int) WB.getMaxY()));
  }

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        randomIntBetween((int) WB.getMinX(), (int) WB.getMaxX()),
        randomIntBetween((int) WB.getMinY(), (int) WB.getMaxY()));
  }


  protected Rectangle randomRectangle() {
    final Rectangle WB = ctx.getWorldBounds();
    int rW = (int) randomGaussianMeanMax(10, WB.getWidth());
    double xMin = randomIntBetween((int) WB.getMinX(), (int) WB.getMaxX() - rW);
    double xMax = xMin + rW;


    int yH = (int) randomGaussianMeanMax(Math.min(rW, WB.getHeight()), WB.getHeight());
    double yMin = randomIntBetween((int) WB.getMinY(), (int) WB.getMaxY() - yH);
    double yMax = yMin + yH;


    return ctx.makeRectangle(xMin, xMax, yMin, yMax);
  }

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      if (R == 0) {//1 in 10
        indexedShape = null; //no shape for this doc
        indexedShapeGS = null;
      } else if (R % 4 == 0) {//3 in 12
        //comprised of more than one shape
        Rectangle shape1 = randomRectangle();
        Rectangle shape2 = randomRectangle();
        indexedShape = new ShapePair(shape1, shape2, biasContains);
        indexedShapeGS = new ShapePair(gridSnap(shape1), gridSnap(shape2), biasContains);
      } else {
        //just one shape
        indexedShape = randomRectangle();

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    //calc bounding box of cells.
    double minX = Double.POSITIVE_INFINITY, maxX = Double.NEGATIVE_INFINITY;
    double minY = Double.POSITIVE_INFINITY, maxY = Double.NEGATIVE_INFINITY;
    for (Cell cell : cells) {
      assert cell.getLevel() <= detailLevel;
      Rectangle cellR = cell.getShape().getBoundingBox();


      minX = Math.min(minX, cellR.getMinX());
      maxX = Math.max(maxX, cellR.getMaxX());
      minY = Math.min(minY, cellR.getMinY());
      maxY = Math.max(maxY, cellR.getMaxY());
    }
    return ctx.makeRectangle(minX, maxX, minY, maxY);
  }

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    public SpatialRelation relate(Shape other) {
      SpatialRelation r = relateApprox(other);
      if (r != INTERSECTS)
        return r;
      //See if the correct answer is actually Contains
      Rectangle oRect = (Rectangle)other;
      boolean pairTouches = shape1.relate(shape2).intersects();
      if (!pairTouches)
        return r;
      //test all 4 corners
      if (relate(ctx.makePoint(oRect.getMinX(), oRect.getMinY())) == CONTAINS
          && relate(ctx.makePoint(oRect.getMinX(), oRect.getMaxY())) == CONTAINS
          && relate(ctx.makePoint(oRect.getMaxX(), oRect.getMinY())) == CONTAINS
          && relate(ctx.makePoint(oRect.getMaxX(), oRect.getMaxY())) == CONTAINS)
        return CONTAINS;
      return r;
    }

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    if (shape instanceof Point) {
      Point point = (Point) shape;
      return geometryFactory.createPoint(new Coordinate(point.getX(),point.getY()));
    }
    if (shape instanceof Rectangle) {
      Rectangle r = (Rectangle)shape;
      if (r.getCrossesDateLine()) {
        Collection<Geometry> pair = new ArrayList<Geometry>(2);
        pair.add(geometryFactory.toGeometry(new Envelope(
                r.getMinX(), getWorldBounds().getMaxX(), r.getMinY(), r.getMaxY())));
        pair.add(geometryFactory.toGeometry(new Envelope(
                getWorldBounds().getMinX(), r.getMaxX(), r.getMinY(), r.getMaxY())));
        return geometryFactory.buildGeometry(pair);//a MultiPolygon or MultiLineString
      } else {
        return geometryFactory.toGeometry(new Envelope(r.getMinX(), r.getMaxX(), r.getMinY(), r.getMaxY()));
      }
    }
    if (shape instanceof Circle) {
      // FYI Some interesting code for this is here:
      //  http://docs.codehaus.org/display/GEOTDOC/01+How+to+Create+a+Geometry#01HowtoCreateaGeometry-CreatingaCircle

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    } else {
      this.calculator = factory.distCalc;
    }


    //TODO remove worldBounds from Spatial4j: see Issue #55
    Rectangle bounds = factory.worldBounds;
    if (bounds == null) {
      this.worldBounds = isGeo()
              ? new RectangleImpl(-180, 180, -90, 90, this)
              : new RectangleImpl(-Double.MAX_VALUE, Double.MAX_VALUE,
              -Double.MAX_VALUE, Double.MAX_VALUE, this);
    } else {
      if (isGeo() && !bounds.equals(new RectangleImpl(-180, 180, -90, 90, this)))
        throw new IllegalArgumentException("for geo (lat/lon), bounds must be " + GEO.getWorldBounds());
      if (bounds.getMinX() > bounds.getMaxX())
        throw new IllegalArgumentException("worldBounds minX should be <= maxX: "+ bounds);
      if (bounds.getMinY() > bounds.getMaxY())
        throw new IllegalArgumentException("worldBounds minY should be <= maxY: "+ bounds);
      //hopefully worldBounds' rect implementation is compatible
      this.worldBounds = new RectangleImpl(bounds, this);
    }

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