Examples with GHJsonBuilder com.graphhopper.json.GHJsonBuilder used on opensource projects

Example 1 with GHJsonBuilder

use of com.graphhopper.json.GHJsonBuilder in project graphhopper by graphhopper.

the class DefaultModule method buildIndex.

static SpatialRuleLookup buildIndex(Reader reader, BBox graphBBox) {
    GHJson ghJson = new GHJsonBuilder().create();
    JsonFeatureCollection jsonFeatureCollection = ghJson.fromJson(reader, JsonFeatureCollection.class);
    return new SpatialRuleLookupBuilder().build(Arrays.asList(new GermanySpatialRule(), new AustriaSpatialRule()), jsonFeatureCollection, graphBBox, 1, true);
}

Example 2 with GHJsonBuilder

use of com.graphhopper.json.GHJsonBuilder in project graphhopper by graphhopper.

the class DefaultModule method createGraphHopper.

/**
     * @return an initialized GraphHopper instance
     */
protected GraphHopper createGraphHopper(CmdArgs args) {
    GraphHopper tmp = new GraphHopperOSM() {

        @Override
        protected void loadOrPrepareLM() {
            if (!getLMFactoryDecorator().isEnabled() || getLMFactoryDecorator().getPreparations().isEmpty())
                return;
            try {
                String location = args.get(Parameters.Landmark.PREPARE + "split_area_location", "");
                Reader reader = location.isEmpty() ? new InputStreamReader(LandmarkStorage.class.getResource("map.geo.json").openStream()) : new FileReader(location);
                JsonFeatureCollection jsonFeatureCollection = new GHJsonBuilder().create().fromJson(reader, JsonFeatureCollection.class);
                if (!jsonFeatureCollection.getFeatures().isEmpty()) {
                    SpatialRuleLookup ruleLookup = new SpatialRuleLookupBuilder().build("country", new SpatialRuleLookupBuilder.SpatialRuleDefaultFactory(), jsonFeatureCollection, getGraphHopperStorage().getBounds(), 0.1, true);
                    for (PrepareLandmarks prep : getLMFactoryDecorator().getPreparations()) {
                        prep.setSpatialRuleLookup(ruleLookup);
                    }
                }
            } catch (IOException ex) {
                logger.error("Problem while reading border map GeoJSON. Skipping this.", ex);
            }
            super.loadOrPrepareLM();
        }
    }.forServer().init(args);
    String location = args.get("spatial_rules.location", "");
    if (!location.isEmpty()) {
        if (!tmp.getEncodingManager().supports(("generic"))) {
            logger.warn("spatial_rules.location was specified but 'generic' encoder is missing to utilize the index");
        } else
            try {
                SpatialRuleLookup index = buildIndex(new FileReader(location), tmp.getGraphHopperStorage().getBounds());
                if (index != null) {
                    logger.info("Set spatial rule lookup with " + index.size() + " rules");
                    ((DataFlagEncoder) tmp.getEncodingManager().getEncoder("generic")).setSpatialRuleLookup(index);
                }
            } catch (IOException ex) {
                throw new RuntimeException(ex);
            }
    }
    tmp.importOrLoad();
    logger.info("loaded graph at:" + tmp.getGraphHopperLocation() + ", data_reader_file:" + tmp.getDataReaderFile() + ", flag_encoders:" + tmp.getEncodingManager() + ", " + tmp.getGraphHopperStorage().toDetailsString());
    return tmp;
}