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

Example 36 with Geometry

use of com.vividsolutions.jts.geom.Geometry in project ddf by codice.

the class WfsFilterDelegate method bufferGeometry.

private String bufferGeometry(String wkt, double distance) {
    LOGGER.debug("Buffering WKT {} by distance {} meter(s).", wkt, distance);
    String bufferedWkt = null;
    try {
        Geometry geometry = getGeometryFromWkt(wkt);
        double bufferInDegrees = metersToDegrees(distance);
        LOGGER.debug("Buffering {} by {} degree(s).", geometry.getClass().getSimpleName(), bufferInDegrees);
        Geometry bufferedGeometry = geometry.buffer(bufferInDegrees);
        bufferedWkt = new WKTWriter().write(bufferedGeometry);
        LOGGER.debug("Buffered WKT: {}.", bufferedWkt);
    } catch (ParseException e) {
        throw new IllegalArgumentException("Unable to parse WKT String", e);
    }
    return bufferedWkt;
}

Example 37 with Geometry

use of com.vividsolutions.jts.geom.Geometry in project ddf by codice.

the class WfsFilterDelegate method getCoordinatesFromWkt.

private Coordinate[] getCoordinatesFromWkt(String wkt) {
    Coordinate[] coordinates = null;
    try {
        Geometry geo = getGeometryFromWkt(wkt);
        coordinates = geo.getCoordinates();
    } catch (ParseException e) {
        throw new IllegalArgumentException("Unable to parse WKT String", e);
    }
    return coordinates;
}

Example 38 with Geometry

use of com.vividsolutions.jts.geom.Geometry in project GeoGig by boundlessgeo.

the class GeometrySerializer method write.

@Override
public void write(Object obj, final DataOutput out) throws IOException {
    final Geometry geom = (Geometry) obj;
    final int geometryType = getGeometryType(geom);
    final int typeAndMasks = geometryType;
    writeUnsignedVarInt(typeAndMasks, out);
    geom.apply(new EncodingSequenceFilter(out, true));
}

Example 39 with Geometry

use of com.vividsolutions.jts.geom.Geometry in project GeoGig by boundlessgeo.

the class ResponseWriter method writeMerged.

/**
     * Writes the response for a set of merged features while also supplying the geometry.
     * 
     * @param geogig - a CommandLocator to call commands from
     * @param features - a FeatureInfo iterator to build the response from
     * @throws XMLStreamException
     */
public void writeMerged(final Context geogig, Iterator<FeatureInfo> features) throws XMLStreamException {
    Iterator<GeometryChange> changeIterator = Iterators.transform(features, new Function<FeatureInfo, GeometryChange>() {

        @Override
        public GeometryChange apply(FeatureInfo input) {
            GeometryChange change = null;
            RevFeature revFeature = RevFeatureBuilder.build(input.getFeature());
            RevFeatureType featureType = input.getFeatureType();
            Collection<PropertyDescriptor> attribs = featureType.type().getDescriptors();
            String crsCode = null;
            for (PropertyDescriptor attrib : attribs) {
                PropertyType attrType = attrib.getType();
                if (attrType instanceof GeometryType) {
                    GeometryType gt = (GeometryType) attrType;
                    CoordinateReferenceSystem crs = gt.getCoordinateReferenceSystem();
                    if (crs != null) {
                        try {
                            crsCode = CRS.lookupIdentifier(Citations.EPSG, crs, false);
                        } catch (FactoryException e) {
                            crsCode = null;
                        }
                        if (crsCode != null) {
                            crsCode = "EPSG:" + crsCode;
                        }
                    }
                    break;
                }
            }
            FeatureBuilder builder = new FeatureBuilder(featureType);
            GeogigSimpleFeature simpleFeature = (GeogigSimpleFeature) builder.build(revFeature.getId().toString(), revFeature);
            change = new GeometryChange(simpleFeature, ChangeType.MODIFIED, input.getPath(), crsCode);
            return change;
        }
    });
    while (changeIterator.hasNext()) {
        GeometryChange next = changeIterator.next();
        if (next != null) {
            GeogigSimpleFeature feature = next.getFeature();
            out.writeStartElement("Feature");
            writeElement("change", "MERGED");
            writeElement("id", next.getPath());
            List<Object> attributes = feature.getAttributes();
            for (Object attribute : attributes) {
                if (attribute instanceof Geometry) {
                    writeElement("geometry", ((Geometry) attribute).toText());
                    break;
                }
            }
            if (next.getCRS() != null) {
                writeElement("crs", next.getCRS());
            }
            out.writeEndElement();
        }
    }
}

Example 40 with Geometry

use of com.vividsolutions.jts.geom.Geometry in project GeoGig by boundlessgeo.

the class MappingRule method hasCompatibleGeometryType.

private boolean hasCompatibleGeometryType(Feature feature) {
    getFeatureType();
    GeomRestriction restriction = getGeomRestriction();
    GeometryAttribute property = feature.getDefaultGeometryProperty();
    Geometry geom = (Geometry) property.getValue();
    if (geom.getClass().equals(Point.class)) {
        return geometryType == Point.class;
    } else {
        if (geometryType.equals(Point.class)) {
            return false;
        }
        Coordinate[] coords = geom.getCoordinates();
        if (geometryType.equals(Polygon.class) && coords.length < 3) {
            return false;
        }
        boolean isClosed = coords[0].equals(coords[coords.length - 1]);
        if (isClosed && restriction.equals(GeomRestriction.ONLY_OPEN_LINES)) {
            return false;
        }
        if (!isClosed && restriction.equals(GeomRestriction.ONLY_CLOSED_LINES)) {
            return false;
        }
        return true;
    }
}