/**
 * Perform a real join based on the geometry of the data
 */
@Override
public boolean filterJoinCandidate(final Tuple tuple1, final Tuple tuple2, final byte[] customData) {
	
	final String geoJsonString1 = new String(tuple1.getDataBytes());
	final String geoJsonString2 = new String(tuple2.getDataBytes());

	// Full text search on string (if provided)
	if(customData != null) {
		final String customDataString = new String(customData);
		if(! geoJsonString1.contains(customDataString) && 
				! geoJsonString2.contains(customDataString)) {
			return false;
		}
	}
	
	final OGCGeometry geometry1 = extractGeometry(geoJsonString1);
	final OGCGeometry geometry2 = extractGeometry(geoJsonString2);
	
	if(geometry1 instanceof OGCPoint) {
		final double geometryDistrance = geometry1.distance(geometry2);
		return geometryDistrance < MAX_OVERLAPPING_POINT_DISTANCE;
	} else {
	    return geometry1.intersects(geometry2);
	}
}
 

public DoubleWritable evaluate(BytesWritable geomref) {
	if (geomref == null || geomref.getLength() == 0) {
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	OGCGeometry ogcGeometry = GeometryUtils.geometryFromEsriShape(geomref);
	if (ogcGeometry == null){
		return null;
	}
	if (!ogcGeometry.isMeasured()) {
		LogUtils.Log_NotMeasured(LOG);
		return null;
	}

	switch(GeometryUtils.getType(geomref)) {
	case ST_POINT:
		OGCPoint pt = (OGCPoint)ogcGeometry;
		resultDouble.set(pt.M());
		return resultDouble;
	default:
		LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_POINT, GeometryUtils.getType(geomref));
		return null;
	}
}
 

public DoubleWritable evaluate(BytesWritable geomref) {
	if (geomref == null || geomref.getLength() == 0) {
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	OGCGeometry ogcGeometry = GeometryUtils.geometryFromEsriShape(geomref);
	if (ogcGeometry == null){
		return null;
	}
	if (!ogcGeometry.is3D()) {
		LogUtils.Log_Not3D(LOG);
		return null;
	}

	switch(GeometryUtils.getType(geomref)) {
	case ST_POINT:
		OGCPoint pt = (OGCPoint)ogcGeometry;
		resultDouble.set(pt.Z());
		return resultDouble;
	default:
		LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_POINT, GeometryUtils.getType(geomref));
		return null;
	}
}
 

public DoubleWritable evaluate(BytesWritable geomref) {
	if (geomref == null || geomref.getLength() == 0) {
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	OGCGeometry ogcGeometry = GeometryUtils.geometryFromEsriShape(geomref);
	if (ogcGeometry == null){
		return null;
	}

	switch(GeometryUtils.getType(geomref)) {
	case ST_POINT:
		OGCPoint pt = (OGCPoint)ogcGeometry;
		resultDouble.set(pt.X());
		return resultDouble;
	default:
		LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_POINT, GeometryUtils.getType(geomref));
		return null;
	}
}
 

@Override
public Object evaluate(DeferredObject[] args) throws HiveException {
	double binSize = PrimitiveObjectInspectorUtils.getDouble(args[0].get(), oiBinSize);

	if (!binSizeIsConstant || bins == null) {
		bins = new BinUtils(binSize);
	} 

	OGCPoint point = geomHelper.getPoint(args);

	if (point == null) {
		return null;
	}

	return bins.getId(point.X(), point.Y());
}
 

public DoubleWritable evaluate(BytesWritable geomref) {
	if (geomref == null || geomref.getLength() == 0) {
		LogUtils.Log_ArgumentsNull(LOG);
		return null;
	}

	OGCGeometry ogcGeometry = GeometryUtils.geometryFromEsriShape(geomref);
	if (ogcGeometry == null){
		return null;
	}

	switch(GeometryUtils.getType(geomref)) {
	case ST_POINT:
		OGCPoint pt = (OGCPoint)ogcGeometry;
		resultDouble.set(pt.Y());
		return resultDouble;
	default:
		LogUtils.Log_InvalidType(LOG, GeometryUtils.OGCType.ST_POINT, GeometryUtils.getType(geomref));
		return null;
	}
}
 

@Test
public void testPoint() {
	OGCGeometry g = OGCGeometry.fromText("POINT(1 2)");
	assertTrue(g.geometryType().equals("Point"));
	OGCPoint p = (OGCPoint) g;
	assertTrue(p.X() == 1);
	assertTrue(p.Y() == 2);
	assertTrue(g.equals(OGCGeometry.fromText("POINT(1 2)")));
	assertTrue(!g.equals(OGCGeometry.fromText("POINT(1 3)")));
	assertTrue(g.equals((Object)OGCGeometry.fromText("POINT(1 2)")));
	assertTrue(!g.equals((Object)OGCGeometry.fromText("POINT(1 3)")));
	OGCGeometry buf = g.buffer(10);
	assertTrue(buf.geometryType().equals("Polygon"));
	OGCPolygon poly = (OGCPolygon) buf.envelope();
	double a = poly.area();
	assertTrue(Math.abs(a - 400) < 1e-1);
}
 

@Test
public void testFirstPointOfPolygon() {
	OGCGeometry g = OGCGeometry
			.fromText("POLYGON((-10 -10, 10 -10, 10 10, -10 10, -10 -10), (-5 -5, -5 5, 5 5, 5 -5, -5 -5))");
	assertTrue(g.geometryType().equals("Polygon"));
	OGCPolygon p = (OGCPolygon) g;
	assertTrue(p.numInteriorRing() == 1);
	OGCLineString ls = p.exteriorRing();
	OGCPoint p1 = ls.pointN(1);
	assertTrue(ls.pointN(1).equals(OGCGeometry.fromText("POINT(10 -10)")));
	OGCPoint p2 = ls.pointN(3);
	assertTrue(ls.pointN(3).equals(OGCGeometry.fromText("POINT(-10 10)")));
	OGCPoint p0 = ls.pointN(0);
	assertTrue(ls.pointN(0).equals(OGCGeometry.fromText("POINT(-10 -10)")));
	String ms = g.convertToMulti().asText();
	assertTrue(ms.equals("MULTIPOLYGON (((-10 -10, 10 -10, 10 10, -10 10, -10 -10), (-5 -5, -5 5, 5 5, 5 -5, -5 -5)))"));

}
 

@Description("Returns a LineString from an array of points")
@ScalarFunction("ST_LineString")
@SqlType(GEOMETRY_TYPE_NAME)
public static Slice stLineString(@SqlType("array(" + GEOMETRY_TYPE_NAME + ")") Block input)
{
    MultiPath multipath = new Polyline();
    OGCPoint previousPoint = null;
    for (int i = 0; i < input.getPositionCount(); i++) {
        Slice slice = GEOMETRY.getSlice(input, i);

        if (slice.getInput().available() == 0) {
            throw new PrestoException(INVALID_FUNCTION_ARGUMENT, format("Invalid input to ST_LineString: null point at index %s", i + 1));
        }

        OGCGeometry geometry = deserialize(slice);
        if (!(geometry instanceof OGCPoint)) {
            throw new PrestoException(INVALID_FUNCTION_ARGUMENT, format("ST_LineString takes only an array of valid points, %s was passed", geometry.geometryType()));
        }
        OGCPoint point = (OGCPoint) geometry;

        if (point.isEmpty()) {
            throw new PrestoException(INVALID_FUNCTION_ARGUMENT, format("Invalid input to ST_LineString: empty point at index %s", i + 1));
        }

        if (previousPoint == null) {
            multipath.startPath(point.X(), point.Y());
        }
        else {
            if (point.Equals(previousPoint)) {
                throw new PrestoException(INVALID_FUNCTION_ARGUMENT,
                        format("Invalid input to ST_LineString: consecutive duplicate points at index %s", i + 1));
            }
            multipath.lineTo(point.X(), point.Y());
        }
        previousPoint = point;
    }
    OGCLineString linestring = new OGCLineString(multipath, 0, null);
    return serialize(linestring);
}
 

@SqlNullable
@Description("Returns a multi-point geometry formed from input points")
@ScalarFunction("ST_MultiPoint")
@SqlType(GEOMETRY_TYPE_NAME)
public static Slice stMultiPoint(@SqlType("array(" + GEOMETRY_TYPE_NAME + ")") Block input)
{
    MultiPoint multipoint = new MultiPoint();
    for (int i = 0; i < input.getPositionCount(); i++) {
        if (input.isNull(i)) {
            throw new PrestoException(INVALID_FUNCTION_ARGUMENT, format("Invalid input to ST_MultiPoint: null at index %s", i + 1));
        }

        Slice slice = GEOMETRY.getSlice(input, i);
        OGCGeometry geometry = deserialize(slice);
        if (!(geometry instanceof OGCPoint)) {
            throw new PrestoException(INVALID_FUNCTION_ARGUMENT, format("Invalid input to ST_MultiPoint: geometry is not a point: %s at index %s", geometry.geometryType(), i + 1));
        }
        OGCPoint point = (OGCPoint) geometry;
        if (point.isEmpty()) {
            throw new PrestoException(INVALID_FUNCTION_ARGUMENT, format("Invalid input to ST_MultiPoint: empty point at index %s", i + 1));
        }

        multipoint.add(point.X(), point.Y());
    }
    if (multipoint.getPointCount() == 0) {
        return null;
    }
    return serialize(createFromEsriGeometry(multipoint, null, true));
}
 

@SqlNullable
@Description("Return the X coordinate of the point")
@ScalarFunction("ST_X")
@SqlType(DOUBLE)
public static Double stX(@SqlType(GEOMETRY_TYPE_NAME) Slice input)
{
    OGCGeometry geometry = deserialize(input);
    validateType("ST_X", geometry, EnumSet.of(POINT));
    if (geometry.isEmpty()) {
        return null;
    }
    return ((OGCPoint) geometry).X();
}
 

@SqlNullable
@Description("Return the Y coordinate of the point")
@ScalarFunction("ST_Y")
@SqlType(DOUBLE)
public static Double stY(@SqlType(GEOMETRY_TYPE_NAME) Slice input)
{
    OGCGeometry geometry = deserialize(input);
    validateType("ST_Y", geometry, EnumSet.of(POINT));
    if (geometry.isEmpty()) {
        return null;
    }
    return ((OGCPoint) geometry).Y();
}
 

@Setup
public void setup()
        throws IOException
{
    geometry = GeoFunctions.stGeometryFromText(Slices.utf8Slice(loadPolygon("large_polygon.txt")));
    simpleGeometry = GeoFunctions.stGeometryFromText(Slices.utf8Slice("POLYGON ((16.5 54, 16.5 54.1, 16.8 54.1, 16.8 54))"));
    innerPoint = GeoFunctions.stPoint(16.6, 54.0167);
    outerPointInEnvelope = GeoFunctions.stPoint(16.6667, 54.05);
    outerPointNotInEnvelope = GeoFunctions.stPoint(16.6333, 54.2);

    ogcGeometry = deserialize(geometry);
    innerOgcPoint = (OGCPoint) deserialize(innerPoint);
    outerOgcPointInEnvelope = (OGCPoint) deserialize(outerPointInEnvelope);
    outerOgcPointNotInEnvelope = (OGCPoint) deserialize(outerPointNotInEnvelope);
}
 

private List<OGCGeometry> makeGeometries()
{
    ImmutableList.Builder<OGCGeometry> geometries = ImmutableList.builder();
    for (int i = 0; i < 10; i++) {
        for (int j = 0; j < 10; j++) {
            geometries.add(new OGCPoint(new Point(-10 + i, -10 + j), null));
        }
    }

    for (int i = 0; i < 5; i++) {
        for (int j = 0; j < 5; j++) {
            geometries.add(new OGCPoint(new Point(-10 + 2 * i, 2 * j), null));
        }
    }

    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 4; j++) {
            geometries.add(new OGCPoint(new Point(2.5 * i, -10 + 2.5 * j), null));
        }
    }

    for (int i = 0; i < 3; i++) {
        for (int j = 0; j < 3; j++) {
            geometries.add(new OGCPoint(new Point(5 * i, 5 * j), null));
        }
    }

    return geometries.build();
}
 

public static boolean isPointOrRectangle(OGCGeometry ogcGeometry, Envelope envelope)
{
    if (ogcGeometry instanceof OGCPoint) {
        return true;
    }

    if (!(ogcGeometry instanceof OGCPolygon)) {
        return false;
    }

    Polygon polygon = (Polygon) ogcGeometry.getEsriGeometry();
    if (polygon.getPathCount() > 1) {
        return false;
    }

    if (polygon.getPointCount() != 4) {
        return false;
    }

    Set<Point> corners = new HashSet<>();
    corners.add(new Point(envelope.getXMin(), envelope.getYMin()));
    corners.add(new Point(envelope.getXMin(), envelope.getYMax()));
    corners.add(new Point(envelope.getXMax(), envelope.getYMin()));
    corners.add(new Point(envelope.getXMax(), envelope.getYMax()));

    for (int i = 0; i < 4; i++) {
        Point point = polygon.getPoint(i);
        if (!corners.contains(point)) {
            return false;
        }
    }

    return true;
}
 

private static OGCGeometry createFromEsriGeometry(Geometry geometry, boolean multiType)
{
    Geometry.Type type = geometry.getType();
    switch (type) {
        case Polygon: {
            if (!multiType && ((Polygon) geometry).getExteriorRingCount() <= 1) {
                return new OGCPolygon((Polygon) geometry, null);
            }
            return new OGCMultiPolygon((Polygon) geometry, null);
        }
        case Polyline: {
            if (!multiType && ((Polyline) geometry).getPathCount() <= 1) {
                return new OGCLineString((Polyline) geometry, 0, null);
            }
            return new OGCMultiLineString((Polyline) geometry, null);
        }
        case MultiPoint: {
            if (!multiType && ((MultiPoint) geometry).getPointCount() <= 1) {
                if (geometry.isEmpty()) {
                    return new OGCPoint(new Point(), null);
                }
                return new OGCPoint(((MultiPoint) geometry).getPoint(0), null);
            }
            return new OGCMultiPoint((MultiPoint) geometry, null);
        }
        case Point: {
            if (!multiType) {
                return new OGCPoint((Point) geometry, null);
            }
            return new OGCMultiPoint((Point) geometry, null);
        }
        case Envelope: {
            Polygon polygon = new Polygon();
            polygon.addEnvelope((Envelope) geometry, false);
            return new OGCPolygon(polygon, null);
        }
        default:
            throw new IllegalArgumentException("Unexpected geometry type: " + type);
    }
}
 

@Override
public Object evaluate(DeferredObject[] args) throws HiveException {
	double binSize = PrimitiveObjectInspectorUtils.getDouble(args[0].get(), oiBinSize);
	
	
	if (!binSizeIsConstant || bins == null) {
		bins = new BinUtils(binSize);
	} 
			
	Envelope env = new Envelope();
	
	if (oiBinId != null) {
		// argument 1 is a number, attempt to get the envelope with bin ID
		if (args[1].get() == null) {
			// null bin ID argument usually means the source point was null or failed to parse
			return null; 
		}
		
		long binId = PrimitiveObjectInspectorUtils.getLong(args[1].get(), oiBinId);
		bins.queryEnvelope(binId, env);
	} else {
		// argument 1 is a geometry, attempt to get the envelope with a point
		OGCPoint point = binPoint.getPoint(args);
		
		if (point == null) {
			return null;
		}
		
		bins.queryEnvelope(point.X(), point.Y(), env);
	}

	return GeometryUtils.geometryToEsriShapeBytesWritable(env, 0, OGCType.ST_POLYGON);
}
 

/**
 * Reads the corresponding geometry from the deferred object list
 * or returns the cached geometry if argument is constant. 
 * 
 * @param args
 * @return OGCPoint or null if not a point
 * @see #getGeometry(DeferredObject[])
 */
public OGCPoint getPoint(DeferredObject[] args) {
	OGCGeometry geometry = getGeometry(args);
	
	if (geometry instanceof OGCPoint) {
		return (OGCPoint)geometry;
	} else {
		return null;
	}
}
 

@Test
public void testInstanceSizes() {
	assertEquals(getInstanceSize(AttributeStreamOfFloat.class), SizeOf.SIZE_OF_ATTRIBUTE_STREAM_OF_FLOAT);
	assertEquals(getInstanceSize(AttributeStreamOfDbl.class), SizeOf.SIZE_OF_ATTRIBUTE_STREAM_OF_DBL);
	assertEquals(getInstanceSize(AttributeStreamOfInt8.class), SizeOf.SIZE_OF_ATTRIBUTE_STREAM_OF_INT8);
	assertEquals(getInstanceSize(AttributeStreamOfInt16.class), SizeOf.SIZE_OF_ATTRIBUTE_STREAM_OF_INT16);
	assertEquals(getInstanceSize(AttributeStreamOfInt32.class), SizeOf.SIZE_OF_ATTRIBUTE_STREAM_OF_INT32);
	assertEquals(getInstanceSize(AttributeStreamOfInt64.class), SizeOf.SIZE_OF_ATTRIBUTE_STREAM_OF_INT64);
	assertEquals(getInstanceSize(Envelope.class), SizeOf.SIZE_OF_ENVELOPE);
	assertEquals(getInstanceSize(Envelope2D.class), SizeOf.SIZE_OF_ENVELOPE2D);
	assertEquals(getInstanceSize(Line.class), SizeOf.SIZE_OF_LINE);
	assertEquals(getInstanceSize(MultiPath.class), SizeOf.SIZE_OF_MULTI_PATH);
	assertEquals(getInstanceSize(MultiPathImpl.class), SizeOf.SIZE_OF_MULTI_PATH_IMPL);
	assertEquals(getInstanceSize(MultiPoint.class), SizeOf.SIZE_OF_MULTI_POINT);
	assertEquals(getInstanceSize(MultiPointImpl.class), SizeOf.SIZE_OF_MULTI_POINT_IMPL);
	assertEquals(getInstanceSize(Point.class), SizeOf.SIZE_OF_POINT);
	assertEquals(getInstanceSize(Polygon.class), SizeOf.SIZE_OF_POLYGON);
	assertEquals(getInstanceSize(Polyline.class), SizeOf.SIZE_OF_POLYLINE);
	assertEquals(getInstanceSize(OGCConcreteGeometryCollection.class),
			SizeOf.SIZE_OF_OGC_CONCRETE_GEOMETRY_COLLECTION);
	assertEquals(getInstanceSize(OGCLineString.class), SizeOf.SIZE_OF_OGC_LINE_STRING);
	assertEquals(getInstanceSize(OGCMultiLineString.class), SizeOf.SIZE_OF_OGC_MULTI_LINE_STRING);
	assertEquals(getInstanceSize(OGCMultiPoint.class), SizeOf.SIZE_OF_OGC_MULTI_POINT);
	assertEquals(getInstanceSize(OGCMultiPolygon.class), SizeOf.SIZE_OF_OGC_MULTI_POLYGON);
	assertEquals(getInstanceSize(OGCPoint.class), SizeOf.SIZE_OF_OGC_POINT);
	assertEquals(getInstanceSize(OGCPolygon.class), SizeOf.SIZE_OF_OGC_POLYGON);
	assertEquals(getInstanceSize(RasterizedGeometry2DImpl.class), SizeOf.SIZE_OF_RASTERIZED_GEOMETRY_2D_IMPL);
	assertEquals(getInstanceSize(RasterizedGeometry2DImpl.ScanCallbackImpl.class), SizeOf.SIZE_OF_SCAN_CALLBACK_IMPL);
	assertEquals(getInstanceSize(Transformation2D.class), SizeOf.SIZE_OF_TRANSFORMATION_2D);
	assertEquals(getInstanceSize(SimpleRasterizer.class), SizeOf.SIZE_OF_SIMPLE_RASTERIZER);
	assertEquals(getInstanceSize(SimpleRasterizer.Edge.class), SizeOf.SIZE_OF_EDGE);
	assertEquals(getInstanceSize(QuadTreeImpl.class), SizeOf.SIZE_OF_QUAD_TREE_IMPL);
	assertEquals(getInstanceSize(QuadTreeImpl.Data.class), SizeOf.SIZE_OF_DATA);
	assertEquals(getInstanceSize(StridedIndexTypeCollection.class), SizeOf.SIZE_OF_STRIDED_INDEX_TYPE_COLLECTION);
}
 

@Test
public void testOGCPoint() {
	Point p = new Point(10.0, 20.0);
	OGCGeometry ogcPoint = new OGCPoint(p, null);
	String result = ogcPoint.asGeoJson();
	assertEquals("{\"type\":\"Point\",\"coordinates\":[10,20],\"crs\":null}", result);
}
 

/**
 * Returns an array of addresses from {@link PagesIndex#valueAddresses} corresponding
 * to rows with matching geometries.
 * <p>
 * The caller is responsible for calling {@link #isJoinPositionEligible(int, int, Page)}
 * for each of these addresses to apply additional join filters.
 */
@Override
public int[] findJoinPositions(int probePosition, Page probe, int probeGeometryChannel, Optional<Integer> probePartitionChannel)
{
    Block probeGeometryBlock = probe.getBlock(probeGeometryChannel);
    if (probeGeometryBlock.isNull(probePosition)) {
        return EMPTY_ADDRESSES;
    }

    int probePartition = probePartitionChannel.map(channel -> toIntExact(INTEGER.getLong(probe.getBlock(channel), probePosition))).orElse(-1);

    Slice slice = probeGeometryBlock.getSlice(probePosition, 0, probeGeometryBlock.getSliceLength(probePosition));
    OGCGeometry probeGeometry = deserialize(slice);
    verifyNotNull(probeGeometry);
    if (probeGeometry.isEmpty()) {
        return EMPTY_ADDRESSES;
    }

    boolean probeIsPoint = probeGeometry instanceof OGCPoint;

    IntArrayList matchingPositions = new IntArrayList();

    Envelope envelope = getEnvelope(probeGeometry);
    rtree.query(envelope, item -> {
        GeometryWithPosition geometryWithPosition = (GeometryWithPosition) item;
        OGCGeometry buildGeometry = geometryWithPosition.getGeometry();
        if (partitions.isEmpty() || (probePartition == geometryWithPosition.getPartition() && (probeIsPoint || (buildGeometry instanceof OGCPoint) || testReferencePoint(envelope, buildGeometry, probePartition)))) {
            if (radiusChannel == -1) {
                if (spatialRelationshipTest.apply(buildGeometry, probeGeometry, OptionalDouble.empty())) {
                    matchingPositions.add(geometryWithPosition.getPosition());
                }
            }
            else {
                if (spatialRelationshipTest.apply(geometryWithPosition.getGeometry(), probeGeometry, OptionalDouble.of(getRadius(geometryWithPosition.getPosition())))) {
                    matchingPositions.add(geometryWithPosition.getPosition());
                }
            }
        }
    });

    return matchingPositions.toIntArray(null);
}
 

private void assertEnvelopeAsPts(String wkt, Point lowerLeftCorner, Point upperRightCorner)
{
    assertFunction(format("transform(ST_EnvelopeAsPts(ST_GeometryFromText('%s')), x -> ST_AsText(x))", wkt), new ArrayType(VARCHAR), ImmutableList.of(new OGCPoint(lowerLeftCorner, null).asText(), new OGCPoint(upperRightCorner, null).asText()));
}
 

private static void assertCentroid(String wkt, Point expectedCentroid) {
	OGCGeometry geometry = OGCGeometry.fromText(wkt);
	OGCGeometry centroid = geometry.centroid();
	Assert.assertEquals(((OGCPoint)centroid).X(), expectedCentroid.getX(), 1e-13);
	Assert.assertEquals(((OGCPoint)centroid).Y(), expectedCentroid.getY(), 1e-13);
}
 

private static void assertEmptyCentroid(String wkt) {
	OGCGeometry geometry = OGCGeometry.fromText(wkt);
	OGCGeometry centroid = geometry.centroid();
	Assert.assertEquals(centroid, new OGCPoint(new Point(), geometry.getEsriSpatialReference()));
}
 

@Test
public void testGeometryCollection() {
	SpatialReference sr = SpatialReference.create(4326);

	StringBuilder geometrySb = new StringBuilder();
	geometrySb
			.append("{\"type\" : \"GeometryCollection\", \"geometries\" : [");

	OGCPoint point = new OGCPoint(new Point(1.0, 1.0), sr);
	assertEquals("{\"x\":1,\"y\":1,\"spatialReference\":{\"wkid\":4326}}",
			point.asJson());
	assertEquals(
			"{\"type\":\"Point\",\"coordinates\":[1,1],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}",
			point.asGeoJson());
	geometrySb.append(point.asGeoJson()).append(", ");

	OGCLineString line = new OGCLineString(new Polyline(
			new Point(1.0, 1.0), new Point(2.0, 2.0)), 0, sr);
	assertEquals(
			"{\"paths\":[[[1,1],[2,2]]],\"spatialReference\":{\"wkid\":4326}}",
			line.asJson());
	assertEquals(
			"{\"type\":\"LineString\",\"coordinates\":[[1,1],[2,2]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}",
			line.asGeoJson());
	geometrySb.append(line.asGeoJson()).append(", ");

	Polygon p = new Polygon();
	p.startPath(1.0, 1.0);
	p.lineTo(2.0, 2.0);
	p.lineTo(3.0, 1.0);
	p.lineTo(2.0, 0.0);

	OGCPolygon polygon = new OGCPolygon(p, sr);
	assertEquals(
			"{\"rings\":[[[1,1],[2,2],[3,1],[2,0],[1,1]]],\"spatialReference\":{\"wkid\":4326}}",
			polygon.asJson());
	assertEquals(
			"{\"type\":\"Polygon\",\"coordinates\":[[[1,1],[2,0],[3,1],[2,2],[1,1]]],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}",
			polygon.asGeoJson());
	geometrySb.append(polygon.asGeoJson()).append("]}");

	List<OGCGeometry> geoms = new ArrayList<OGCGeometry>(3);
	geoms.add(point);
	geoms.add(line);
	geoms.add(polygon);
	OGCConcreteGeometryCollection collection = new OGCConcreteGeometryCollection(
			geoms, sr);
	String s2 = collection.asGeoJson();
	
	assertEquals("{\"type\":\"GeometryCollection\",\"geometries\":[{\"type\":\"Point\",\"coordinates\":[1,1]},{\"type\":\"LineString\",\"coordinates\":[[1,1],[2,2]]},{\"type\":\"Polygon\",\"coordinates\":[[[1,1],[2,0],[3,1],[2,2],[1,1]]]}],\"crs\":{\"type\":\"name\",\"properties\":{\"name\":\"EPSG:4326\"}}}", collection.asGeoJson());
}