Examples with Point com.vividsolutions.jts.geom.Point used on opensource projects

Example 66 with Point

use of com.vividsolutions.jts.geom.Point in project tests by datanucleus.

the class JtsGeometryMappingTest method testGeometryMapping.

public void testGeometryMapping() throws SQLException, ParseException {
    if (!runTestsForDatastore()) {
        return;
    }
    Point point = (Point) wktReader.read("POINT(10 10)");
    point.setSRID(-1);
    SampleGeometry sampleGeometry;
    SampleGeometry sampleGeometry_read;
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();
        sampleGeometry = new SampleGeometry(1001, "Geometry (Point)", point);
        em.persist(sampleGeometry);
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
    em = emf.createEntityManager();
    tx = em.getTransaction();
    try {
        tx.begin();
        sampleGeometry_read = (SampleGeometry) em.find(SampleGeometry.class, new Long(1001));
        assertEquals(sampleGeometry, sampleGeometry_read);
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
}

Example 67 with Point

use of com.vividsolutions.jts.geom.Point in project tests by datanucleus.

the class JtsGeometryMappingTest method testPointMapping.

public void testPointMapping() throws SQLException, ParseException {
    if (!runTestsForDatastore()) {
        return;
    }
    Point point = (Point) wktReader.read("POINT(10 10)");
    point.setSRID(-1);
    SamplePoint samplePoint;
    SamplePoint samplePoint_read;
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();
        samplePoint = new SamplePoint(1001, "Point 1", point);
        em.persist(samplePoint);
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
    em = emf.createEntityManager();
    tx = em.getTransaction();
    try {
        tx.begin();
        samplePoint_read = (SamplePoint) em.find(SamplePoint.class, new Long(1001));
        assertEquals(samplePoint, samplePoint_read);
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
}

Example 68 with Point

use of com.vividsolutions.jts.geom.Point in project tests by datanucleus.

the class JtsGeometryMappingTest method testNoUserDataMapping.

public void testNoUserDataMapping() throws ParseException {
    if (!runTestsForDatastore()) {
        return;
    }
    Point point = (Point) wktReader.read("POINT(10 10)");
    point.setSRID(-1);
    point.setUserData(new Object());
    SampleGeometry sampleGeometry = null;
    SampleGeometry sampleGeometry_read = null;
    EntityManager em = emf.createEntityManager();
    EntityTransaction tx = em.getTransaction();
    try {
        tx.begin();
        sampleGeometry = new SampleGeometry(10001, "NoUserData", point);
        em.persist(sampleGeometry);
        tx.commit();
    } catch (PersistenceException pe) {
        LOG.error("Exception on persist", pe);
        fail("Persist failed : " + pe.getMessage());
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
    em = emf.createEntityManager();
    // Make sure not cached
    emf.getCache().evictAll();
    tx = em.getTransaction();
    try {
        tx.begin();
        sampleGeometry_read = (SampleGeometry) em.find(SampleGeometry.class, new Long(10001));
        assertEquals(sampleGeometry, sampleGeometry_read);
        assertNull(sampleGeometry_read.getGeom().getUserData());
        tx.commit();
    } finally {
        if (tx.isActive()) {
            tx.rollback();
        }
        em.close();
    }
}

Example 69 with Point

use of com.vividsolutions.jts.geom.Point in project Osmand by osmandapp.

the class JtsAdapter method ptsToGeomCmds.

/**
 * <p>Convert a {@link Point} or {@link MultiPoint} geometry to a list of MVT geometry drawing commands. See
 * <a href="https://github.com/mapbox/vector-tile-spec">vector-tile-spec</a>
 * for details.</p>
 *
 * <p>WARNING: The value of the {@code cursor} parameter is modified as a result of calling this method.</p>
 *
 * @param geom input of type {@link Point} or {@link MultiPoint}. Type is NOT checked and expected to be correct.
 * @param cursor modified during processing to contain next MVT cursor position
 * @return list of commands
 */
private static List<Integer> ptsToGeomCmds(final Geometry geom, final Vec2d cursor) {
    // Guard: empty geometry coordinates
    final Coordinate[] geomCoords = geom.getCoordinates();
    if (geomCoords.length <= 0) {
        Collections.emptyList();
    }
    /**
     * Tile commands and parameters
     */
    final List<Integer> geomCmds = new ArrayList<>(geomCmdBuffLenPts(geomCoords.length));
    /**
     * Holds next MVT coordinate
     */
    final Vec2d mvtPos = new Vec2d();
    /**
     * Length of 'MoveTo' draw command
     */
    int moveCmdLen = 0;
    // Insert placeholder for 'MoveTo' command header
    geomCmds.add(0);
    Coordinate nextCoord;
    for (int i = 0; i < geomCoords.length; ++i) {
        nextCoord = geomCoords[i];
        mvtPos.set(nextCoord.x, nextCoord.y);
        // Ignore duplicate MVT points
        if (i == 0 || !equalAsInts(cursor, mvtPos)) {
            ++moveCmdLen;
            moveCursor(cursor, geomCmds, mvtPos);
        }
    }
    if (moveCmdLen <= GeomCmdHdr.CMD_HDR_LEN_MAX) {
        // Write 'MoveTo' command header to first index
        geomCmds.set(0, GeomCmdHdr.cmdHdr(GeomCmd.MoveTo, moveCmdLen));
        return geomCmds;
    } else {
        // Invalid geometry, need at least 1 'MoveTo' value to make points
        return Collections.emptyList();
    }
}

Example 70 with Point

use of com.vividsolutions.jts.geom.Point in project Osmand by osmandapp.

the class JtsAdapter method toFeature.

/**
 * Create and return a feature from a geometry. Returns null on failure.
 *
 * @param geom flat geometry via {@link #flatFeatureList(Geometry)} that can be translated to a feature
 * @param cursor vector tile cursor position
 * @param layerProps layer properties for tagging features
 * @return new tile feature instance, or null on failure
 */
private static VectorTile.Tile.Feature toFeature(Geometry geom, Vec2d cursor, MvtLayerProps layerProps, IUserDataConverter userDataConverter) {
    // Guard: UNKNOWN Geometry
    final VectorTile.Tile.GeomType mvtGeomType = JtsAdapter.toGeomType(geom);
    if (mvtGeomType == VectorTile.Tile.GeomType.UNKNOWN) {
        return null;
    }
    final VectorTile.Tile.Feature.Builder featureBuilder = VectorTile.Tile.Feature.newBuilder();
    final boolean mvtClosePath = MvtUtil.shouldClosePath(mvtGeomType);
    final List<Integer> mvtGeom = new ArrayList<>();
    featureBuilder.setType(mvtGeomType);
    if (geom instanceof Point || geom instanceof MultiPoint) {
        // Encode as MVT point or multipoint
        mvtGeom.addAll(ptsToGeomCmds(geom, cursor));
    } else if (geom instanceof LineString || geom instanceof MultiLineString) {
        // Encode as MVT linestring or multi-linestring
        for (int i = 0; i < geom.getNumGeometries(); ++i) {
            mvtGeom.addAll(linesToGeomCmds(geom.getGeometryN(i), mvtClosePath, cursor, 1));
        }
    } else if (geom instanceof MultiPolygon || geom instanceof Polygon) {
        // Encode as MVT polygon or multi-polygon
        for (int i = 0; i < geom.getNumGeometries(); ++i) {
            final Polygon nextPoly = (Polygon) geom.getGeometryN(i);
            boolean valid = true;
            // Add exterior ring
            final LineString exteriorRing = nextPoly.getExteriorRing();
            // Area must be non-zero
            final double exteriorArea = CGAlgorithms.signedArea(exteriorRing.getCoordinates());
            if (((int) Math.round(exteriorArea)) == 0) {
                continue;
            }
            // Check CCW Winding (must be positive area)
            if (exteriorArea < 0d) {
                CoordinateArrays.reverse(exteriorRing.getCoordinates());
            }
            final List<Integer> nextPolyGeom = new ArrayList<>(linesToGeomCmds(exteriorRing, mvtClosePath, cursor, 2));
            // Add interior rings
            for (int ringIndex = 0; ringIndex < nextPoly.getNumInteriorRing(); ++ringIndex) {
                final LineString nextInteriorRing = nextPoly.getInteriorRingN(ringIndex);
                // Area must be non-zero
                final double interiorArea = CGAlgorithms.signedArea(nextInteriorRing.getCoordinates());
                if (((int) Math.round(interiorArea)) == 0) {
                    continue;
                }
                // Check CW Winding (must be negative area)
                if (interiorArea > 0d) {
                    CoordinateArrays.reverse(nextInteriorRing.getCoordinates());
                }
                // Interior ring area must be < exterior ring area, or entire geometry is invalid
                if (Math.abs(exteriorArea) <= Math.abs(interiorArea)) {
                    valid = false;
                    break;
                }
                nextPolyGeom.addAll(linesToGeomCmds(nextInteriorRing, mvtClosePath, cursor, 2));
            }
            if (valid) {
                mvtGeom.addAll(nextPolyGeom);
            }
        }
    }
    if (mvtGeom.size() < 1) {
        return null;
    }
    featureBuilder.addAllGeometry(mvtGeom);
    // Feature Properties
    userDataConverter.addTags(geom.getUserData(), layerProps, featureBuilder);
    return featureBuilder.build();
}