Package com.spatial4j.core.context.jts

Examples of com.spatial4j.core.context.jts.JtsSpatialContextFactory.newSpatialContext()

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    JtsSpatialContextFactory factory = new JtsSpatialContextFactory();
    factory.precisionModel = new PrecisionModel(PrecisionModel.FLOATING_SINGLE);

    return Arrays.asList($$(
        $(JtsSpatialContext.GEO),//doubles
        $(factory.newSpatialContext())//floats
    ));
  }

  public JtsBinaryCodecTest(JtsSpatialContext ctx) {
    super(ctx);
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    //ctx.readShapeFromWkt("POLYGON((0 0, 10 0, 10 20))");//doesn't connect around
    String wkt = "POLYGON((0 0, 10 0, 10 20, 5 -5, 0 20, 0 0))";//Topology self-intersect

    JtsSpatialContextFactory factory = new JtsSpatialContextFactory();
    factory.validationRule = JtsWktShapeParser.ValidationRule.repairBuffer0;
    JtsSpatialContext ctx = factory.newSpatialContext();
    Shape buffer0 = ctx.readShapeFromWkt(wkt);
    assertTrue(buffer0.getArea(ctx) > 0);

    factory = new JtsSpatialContextFactory();
    factory.validationRule = JtsWktShapeParser.ValidationRule.repairConvexHull;
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    Shape buffer0 = ctx.readShapeFromWkt(wkt);
    assertTrue(buffer0.getArea(ctx) > 0);

    factory = new JtsSpatialContextFactory();
    factory.validationRule = JtsWktShapeParser.ValidationRule.repairConvexHull;
    ctx = factory.newSpatialContext();
    Shape cvxHull = ctx.readShapeFromWkt(wkt);
    assertTrue(cvxHull.getArea(ctx) > 0);

    assertEquals(SpatialRelation.CONTAINS, cvxHull.relate(buffer0));
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    assertEquals(SpatialRelation.CONTAINS, cvxHull.relate(buffer0));

    factory = new JtsSpatialContextFactory();
    factory.validationRule = JtsWktShapeParser.ValidationRule.none;
    ctx = factory.newSpatialContext();
    ctx.readShapeFromWkt(wkt);//doesn't throw
  }

}
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    //assertRelation(null,SpatialRelation.CONTAINS, shape, ctx.makePoint(61.48, 64.21));

    JtsSpatialContextFactory factory = new JtsSpatialContextFactory();
    factory.normWrapLongitude = true;

    JtsSpatialContext ctx = factory.newSpatialContext();

    Shape shape = ctx.readShapeFromWkt(wktStr);
    //System.out.println("Russia Area: "+shape.getArea(ctx));
  }
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    //Fiji is a group of islands crossing the dateline.
    String wktStr = readFirstLineFromRsrc("/fiji.wkt.txt");

    JtsSpatialContextFactory factory = new JtsSpatialContextFactory();
    factory.normWrapLongitude = true;
    JtsSpatialContext ctx = factory.newSpatialContext();

    Shape shape = ctx.readShapeFromWkt(wktStr);

    assertRelation(null,SpatialRelation.CONTAINS, shape,
            ctx.makePoint(-179.99,-16.9));
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