Examples with DirectPosition2D org.geotools.geometry.DirectPosition2D used on opensource projects

Example 6 with DirectPosition2D

use of org.geotools.geometry.DirectPosition2D in project sldeditor by robward-scisys.

the class WKTSegmentListTest method testGetWktPointList.

/**
 * Test method for {@link com.sldeditor.ui.detail.vendor.geoserver.marker.wkt.WKTSegmentList#getWktPointList(boolean)}.
 * Test method for {@link com.sldeditor.ui.detail.vendor.geoserver.marker.wkt.WKTSegmentList#setWktPointList(java.util.List)}.
 * Test method for {@link com.sldeditor.ui.detail.vendor.geoserver.marker.wkt.WKTSegmentList#addPoint(com.sldeditor.ui.detail.vendor.geoserver.marker.wkt.WKTPoint)}.
 * Test method for {@link com.sldeditor.ui.detail.vendor.geoserver.marker.wkt.WKTSegmentList#getWKTString()}.
 * Test method for {@link com.sldeditor.ui.detail.vendor.geoserver.marker.wkt.WKTSegmentList#getWKTString(boolean)}.
 */
@Test
public void testGetWktPointList() {
    WKTSegmentList segmentList = new WKTSegmentList();
    DirectPosition pos1 = new DirectPosition2D(1.0, 1.0);
    segmentList.addPoint(new WKTPoint(pos1));
    String actualValue = segmentList.getWKTString();
    assertTrue(actualValue.compareTo("(1 1)") == 0);
    List<WKTPoint> ptList = new ArrayList<WKTPoint>();
    ptList.add(new WKTPoint(pos1));
    DirectPosition pos2 = new DirectPosition2D(2.0, 2.0);
    DirectPosition pos3 = new DirectPosition2D(3.0, 3.0);
    DirectPosition pos4 = new DirectPosition2D(4.0, 4.0);
    ptList.add(new WKTPoint(pos2));
    ptList.add(new WKTPoint(pos3));
    ptList.add(new WKTPoint(pos4));
    segmentList.setWktPointList(ptList);
    actualValue = segmentList.getWKTString();
    assertTrue(actualValue.compareTo("(1 1, 2 2, 3 3, 4 4)") == 0);
    actualValue = segmentList.getWKTString(false, false);
    assertTrue(actualValue.compareTo("1 1, 2 2, 3 3, 4 4") == 0);
    actualValue = segmentList.getWKTString(false, true);
    assertTrue(actualValue.compareTo("1 1, 2 2, 3 3, 4 4, 1 1") == 0);
    ptList.add(new WKTPoint(pos1));
    segmentList.setWktPointList(ptList);
    assertTrue(segmentList.getWktPointList(false).size() == ptList.size());
    assertTrue((segmentList.getWktPointList(true).size() + 1) == ptList.size());
    ptList.clear();
    ptList.add(new WKTPoint(pos1));
    assertTrue(segmentList.getWktPointList(false).size() == ptList.size());
    assertTrue(segmentList.getWktPointList(true).size() == ptList.size());
    segmentList.addPoint(new WKTPoint(pos2));
    assertTrue(segmentList.getWktPointList(false).size() == ptList.size());
    assertTrue(segmentList.getWktPointList(true).size() == ptList.size());
}

Example 7 with DirectPosition2D

use of org.geotools.geometry.DirectPosition2D in project OpenTripPlanner by opentripplanner.

the class ElevationModule method getElevation.

/**
 * Method for retrieving the elevation at a given (x, y) pair.
 *
 * @param x the query longitude (NAD83)
 * @param y the query latitude (NAD83)
 * @return elevation in meters
 */
private double getElevation(double x, double y) {
    double[] values = new double[1];
    try {
        // We specify a CRS here because otherwise the coordinates are assumed to be in the coverage's native CRS.
        // That assumption is fine when the coverage happens to be in longitude-first WGS84 but we want to support
        // GeoTIFFs in various projections. Note that GeoTools defaults to strict EPSG axis ordering of (lat, long)
        // for DefaultGeographicCRS.WGS84, but OTP is using (long, lat) throughout and assumes unprojected DEM
        // rasters to also use (long, lat).
        coverage.evaluate(new DirectPosition2D(GeometryUtils.WGS84_XY, x, y), values);
    } catch (org.opengis.coverage.PointOutsideCoverageException e) {
        nPointsOutsideDEM += 1;
    }
    nPointsEvaluated += 1;
    return values[0];
}

Example 8 with DirectPosition2D

use of org.geotools.geometry.DirectPosition2D in project structr by structr.

the class UTMToLatLonFunction method utmToLatLon.

private GraphObjectMap utmToLatLon(final String zone, final String hemisphere, final String east, final String north) {
    final GraphObjectMap obj = new GraphObjectMap();
    // clean zone string (remove all non-digits)
    final String cleanedZone = zone.replaceAll("[\\D]+", "");
    final StringBuilder epsg = new StringBuilder("EPSG:32");
    switch(hemisphere) {
        case "N":
            epsg.append("6");
            break;
        case "S":
            epsg.append("7");
            break;
    }
    // append "0" to zone number of single-digit
    if (cleanedZone.length() == 1) {
        epsg.append("0");
    }
    // append zone number
    epsg.append(cleanedZone);
    try {
        final CoordinateReferenceSystem src = CRS.decode(epsg.toString());
        final CoordinateReferenceSystem dst = CRS.decode("EPSG:4326");
        final MathTransform transform = CRS.findMathTransform(src, dst, true);
        final DirectPosition sourcePt = new DirectPosition2D(getDoubleOrNull(east), getDoubleOrNull(north));
        final DirectPosition targetPt = transform.transform(sourcePt, null);
        obj.put(latitudeProperty, targetPt.getOrdinate(0));
        obj.put(longitudeProperty, targetPt.getOrdinate(1));
    } catch (Throwable t) {
        logger.warn("", t);
    }
    return obj;
}

Example 9 with DirectPosition2D

use of org.geotools.geometry.DirectPosition2D in project collect by openforis.

the class GeoToolsCoordinateOperations method toPosition.

private Position toPosition(double x, double y, String fromSrsId, String toSrsId) {
    try {
        DirectPosition src = new DirectPosition2D(x, y);
        MathTransform transform = getOrCreateTransform(fromSrsId, toSrsId);
        if (transform == null) {
            if (LOG.isErrorEnabled()) {
                LOG.error(String.format("Cannot find transform from %s to %s", fromSrsId, toSrsId));
            }
            return new DirectPosition2D(0, 0);
        }
        DirectPosition directPosition = transform.transform(src, null);
        return directPosition;
    } catch (Throwable t) {
        if (LOG.isErrorEnabled()) {
            LOG.error("Error converting: x=" + x + " y=" + y + " srs=" + fromSrsId, t);
        }
        return new DirectPosition2D(0, 0);
    }
}