Package com.spatial4j.core.shape

Examples of com.spatial4j.core.shape.Rectangle

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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 12
        indexedShape = null; //no shape for this doc
        indexedShapeGS = null;
      } else if (R % 3 == 0) {//4-1 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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      SpatialRelation r = relateApprox(other);
      if (r != INTERSECTS && !(r == WITHIN && biasContainsThenWithin))
        return r;
      //See if the correct answer is actually Contains, when the indexed shapes are adjacent,
      // creating a larger shape that contains the input shape.
      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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    }
  }

  public GeohashPrefixTree(SpatialContext ctx, int maxLevels) {
    super(ctx, maxLevels);
    Rectangle bounds = ctx.getWorldBounds();
    if (bounds.getMinX() != -180)
      throw new IllegalArgumentException("Geohash only supports lat-lon world bounds. Got "+bounds);
    int MAXP = getMaxLevelsPossible();
    if (maxLevels <= 0 || maxLevels > MAXP)
      throw new IllegalArgumentException("maxLen must be [1-"+MAXP+"] but got "+ maxLevels);
  }
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    SpatialArgsParser parser = new SpatialArgsParser();

    String arg = SpatialOperation.IsWithin + "(-10 -20 10 20)";
    SpatialArgs out = parser.parse(arg, ctx);
    assertEquals(SpatialOperation.IsWithin, out.getOperation());
    Rectangle bounds = (Rectangle) out.getShape();
    assertEquals(-10.0, bounds.getMinX(), 0D);
    assertEquals(10.0, bounds.getMaxX(), 0D);

    // Disjoint should not be scored
    arg = SpatialOperation.IsDisjointTo + " (-10 10 -20 20)";
    out = parser.parse(arg, ctx);
    assertEquals(SpatialOperation.IsDisjointTo, out.getOperation());
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  public double getDistanceForLevel(int level) {
    if (level < 1 || level > getMaxLevels())
      throw new IllegalArgumentException("Level must be in 1 to maxLevels range");
    //TODO cache for each level
    Cell cell = getCell(ctx.getWorldBounds().getCenter(), level);
    Rectangle bbox = cell.getShape().getBoundingBox();
    double width = bbox.getWidth();
    double height = bbox.getHeight();
    //Use standard cartesian hypotenuse. For geospatial, this answer is larger
    // than the correct one but it's okay to over-estimate.
    return Math.sqrt(width * width + height * height);
  }
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    for (Point clusterCenter : clusterCenters) {
      //2. Iterate on size of cluster (a really small one and a large one)
      String hashCenter = GeohashUtils.encodeLatLon(clusterCenter.getY(), clusterCenter.getX(), maxLength);
      //calculate the number of degrees in the smallest grid box size (use for both lat & lon)
      String smallBox = hashCenter.substring(0,hashCenter.length()-1);//chop off leaf precision
      Rectangle clusterDims = GeohashUtils.decodeBoundary(smallBox,ctx);
      double smallRadius = Math.max(clusterDims.getMaxX()-clusterDims.getMinX(),clusterDims.getMaxY()-clusterDims.getMinY());
      assert smallRadius < 1;
      double largeRadius = 20d;//good large size; don't use >=45 for this test code to work
      double[] radiusDegs = {largeRadius,smallRadius};
      for (double radiusDeg : radiusDegs) {
        //3. Index random points in this cluster circle
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    assert str.length() == level;
    double w = levelW[level] / 2;
    double h = levelH[level] / 2;

    int strlen = str.length();
    Rectangle rectangle = ctx.makeRectangle(cx - w, cx + w, cy - h, cy + h);
    SpatialRelation v = shape.relate(rectangle);
    if (SpatialRelation.CONTAINS == v) {
      str.append(c);
      //str.append(SpatialPrefixGrid.COVER);
      matches.add(new QuadCell(str.toString(),v.transpose()));
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Related Classes of com.spatial4j.core.shape.Rectangle

  • com.spatial4j.core.context.jts.JtsSpatialContext
  • com.spatial4j.core.context.SpatialContext
  • com.spatial4j.core.distance.TestDistances
  • com.spatial4j.core.io.GeohashUtils
  • com.spatial4j.core.io.JtsWKTReaderShapeParserTest
  • com.spatial4j.core.io.JtsWktShapeParserTest
  • com.spatial4j.core.io.LegacyShapeReadWriterFormat
  • com.spatial4j.core.io.WktShapeParserTest
  • com.spatial4j.core.shape.impl.BufferedLine
  • com.spatial4j.core.shape.impl.RectangleImpl
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