kopia lustrzana https://github.com/onthegomap/planetiler
631 wiersze
25 KiB
Java
631 wiersze
25 KiB
Java
package com.onthegomap.flatmap.reader.osm;
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import static com.onthegomap.flatmap.util.MemoryEstimator.estimateSize;
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import static com.onthegomap.flatmap.util.MemoryEstimator.estimateSizeWithoutKeys;
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import static com.onthegomap.flatmap.util.MemoryEstimator.estimateSizeWithoutValues;
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import com.carrotsearch.hppc.IntObjectHashMap;
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import com.carrotsearch.hppc.LongArrayList;
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import com.carrotsearch.hppc.LongHashSet;
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import com.carrotsearch.hppc.ObjectIntHashMap;
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import com.graphhopper.coll.GHIntObjectHashMap;
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import com.graphhopper.coll.GHLongHashSet;
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import com.graphhopper.coll.GHLongObjectHashMap;
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import com.graphhopper.coll.GHObjectIntHashMap;
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import com.graphhopper.reader.ReaderElement;
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import com.graphhopper.reader.ReaderElementUtils;
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import com.graphhopper.reader.ReaderNode;
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import com.graphhopper.reader.ReaderRelation;
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import com.graphhopper.reader.ReaderWay;
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import com.onthegomap.flatmap.FeatureCollector;
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import com.onthegomap.flatmap.Profile;
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import com.onthegomap.flatmap.collection.FeatureGroup;
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import com.onthegomap.flatmap.collection.LongLongMap;
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import com.onthegomap.flatmap.collection.LongLongMultimap;
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import com.onthegomap.flatmap.collection.SortableFeature;
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import com.onthegomap.flatmap.config.FlatmapConfig;
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import com.onthegomap.flatmap.geo.GeoUtils;
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import com.onthegomap.flatmap.geo.GeometryException;
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import com.onthegomap.flatmap.reader.SourceFeature;
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import com.onthegomap.flatmap.render.FeatureRenderer;
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import com.onthegomap.flatmap.stats.Counter;
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import com.onthegomap.flatmap.stats.ProgressLoggers;
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import com.onthegomap.flatmap.stats.Stats;
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import com.onthegomap.flatmap.util.MemoryEstimator;
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import com.onthegomap.flatmap.worker.WorkerPipeline;
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import java.io.Closeable;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.CountDownLatch;
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import java.util.concurrent.atomic.AtomicLong;
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import java.util.function.Consumer;
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import org.locationtech.jts.geom.Coordinate;
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import org.locationtech.jts.geom.CoordinateList;
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import org.locationtech.jts.geom.CoordinateSequence;
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import org.locationtech.jts.geom.CoordinateXY;
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import org.locationtech.jts.geom.Geometry;
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import org.locationtech.jts.geom.LineString;
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import org.locationtech.jts.geom.MultiPolygon;
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import org.locationtech.jts.geom.Point;
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import org.locationtech.jts.geom.Polygon;
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import org.locationtech.jts.geom.impl.CoordinateArraySequence;
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import org.locationtech.jts.geom.impl.PackedCoordinateSequence;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Utility that constructs {@link SourceFeature SourceFeatures} from the raw nodes, ways, and relations contained in an
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* {@link OsmInputFile}.
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*/
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public class OsmReader implements Closeable, MemoryEstimator.HasEstimate {
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private static final Logger LOGGER = LoggerFactory.getLogger(OsmReader.class);
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private static final int ROLE_BITS = 16;
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private static final int MAX_ROLES = (1 << ROLE_BITS) - 10;
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private static final int ROLE_SHIFT = 64 - ROLE_BITS;
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private static final int ROLE_MASK = (1 << ROLE_BITS) - 1;
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private static final long NOT_ROLE_MASK = (1L << ROLE_SHIFT) - 1L;
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private final OsmSource osmInputFile;
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private final Stats stats;
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private final LongLongMap nodeLocationDb;
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private final Counter.Readable PASS1_NODES = Counter.newSingleThreadCounter();
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private final Counter.Readable PASS1_WAYS = Counter.newSingleThreadCounter();
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private final Counter.Readable PASS1_RELATIONS = Counter.newSingleThreadCounter();
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private final Profile profile;
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private final String name;
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private final AtomicLong relationInfoSizes = new AtomicLong(0);
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// need a few large objects to process ways in relations, should be small enough to keep in memory
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// for routes (750k rels 40m ways) and boundaries (650k rels, 8m ways)
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// need to store route info to use later when processing ways
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// <~500mb
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private GHLongObjectHashMap<OsmRelationInfo> relationInfo = new GHLongObjectHashMap<>();
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// ~800mb, ~1.6GB when sorting
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private LongLongMultimap wayToRelations = LongLongMultimap.newSparseUnorderedMultimap();
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// for multipolygons need to store way info (20m ways, 800m nodes) to use when processing relations (4.5m)
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// ~300mb
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private LongHashSet waysInMultipolygon = new GHLongHashSet();
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// ~7GB
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private LongLongMultimap multipolygonWayGeometries = LongLongMultimap.newDensedOrderedMultimap();
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// keep track of data needed to encode/decode role strings into a long
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private final ObjectIntHashMap<String> roleIds = new GHObjectIntHashMap<>();
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private final IntObjectHashMap<String> roleIdsReverse = new GHIntObjectHashMap<>();
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private final AtomicLong roleSizes = new AtomicLong(0);
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/**
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* Constructs a new {@code OsmReader} from
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*
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* @param name ID for this reader to use in stats and logs
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* @param osmInputFile the file to read raw nodes, ways, and relations from
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* @param nodeLocationDb store that will temporarily hold node locations (encoded as a long) between passes to
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* reconstruct way geometries
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* @param profile logic that defines what map features to emit for each source feature
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* @param stats to keep track of counters and timings
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*/
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public OsmReader(String name, OsmSource osmInputFile, LongLongMap nodeLocationDb, Profile profile,
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Stats stats) {
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this.name = name;
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this.osmInputFile = osmInputFile;
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this.nodeLocationDb = nodeLocationDb;
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this.stats = stats;
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this.profile = profile;
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stats.monitorInMemoryObject("osm_relations", this);
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stats.counter("osm_pass1_elements_processed", "type", () -> Map.of(
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"nodes", PASS1_NODES,
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"ways", PASS1_WAYS,
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"relations", PASS1_RELATIONS
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));
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}
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/**
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* Pre-processes all OSM elements before {@link #pass2(FeatureGroup, FlatmapConfig)} is used to emit map features.
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* <p>
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* Stores node locations for pass2 to use to reconstruct way geometries.
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* <p>
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* Also stores the result of {@link Profile#preprocessOsmRelation(OsmElement.Relation)} so that pass2 can know the
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* relevant relations that a way belongs to.
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*
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* @param config user-provided arguments to control the number of threads, and log interval
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*/
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public void pass1(FlatmapConfig config) {
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var timer = stats.startStage("osm_pass1");
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String pbfParsePrefix = "pbfpass1";
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int parseThreads = Math.max(1, config.threads() - 2);
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var pipeline = WorkerPipeline.start("osm_pass1", stats)
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.fromGenerator("pbf", osmInputFile.read("pbfpass1", parseThreads))
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.addBuffer("reader_queue", 50_000, 10_000)
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.sinkToConsumer("process", 1, this::processPass1Element);
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var loggers = ProgressLoggers.create()
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.addRateCounter("nodes", PASS1_NODES, true)
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.addFileSizeAndRam(nodeLocationDb)
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.addRateCounter("ways", PASS1_WAYS, true)
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.addRateCounter("rels", PASS1_RELATIONS, true)
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.newLine()
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.addProcessStats()
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.addInMemoryObject("hppc", this)
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.newLine()
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.addThreadPoolStats("parse", pbfParsePrefix + "-pool")
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.addPipelineStats(pipeline);
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pipeline.awaitAndLog(loggers, config.logInterval());
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timer.stop();
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}
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void processPass1Element(ReaderElement readerElement) {
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// only a single thread calls this with elements ordered by ID, so it's safe to manipulate these
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// shared data structures which are not thread safe
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if (readerElement.getId() < 0) {
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throw new IllegalArgumentException("Negative OSM element IDs not supported: " + readerElement);
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}
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if (readerElement instanceof ReaderNode node) {
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PASS1_NODES.inc();
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// TODO allow limiting node storage to only ones that profile cares about
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nodeLocationDb.put(node.getId(), GeoUtils.encodeFlatLocation(node.getLon(), node.getLat()));
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} else if (readerElement instanceof ReaderWay) {
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PASS1_WAYS.inc();
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} else if (readerElement instanceof ReaderRelation rel) {
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PASS1_RELATIONS.inc();
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// don't leak graphhopper classes out through public API
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OsmElement.Relation osmRelation = OsmElement.fromGraphopper(rel);
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List<OsmRelationInfo> infos = profile.preprocessOsmRelation(osmRelation);
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if (infos != null) {
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for (OsmRelationInfo info : infos) {
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relationInfo.put(rel.getId(), info);
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relationInfoSizes.addAndGet(info.estimateMemoryUsageBytes());
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for (ReaderRelation.Member member : rel.getMembers()) {
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int type = member.getType();
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// TODO handle nodes in relations and super-relations
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if (type == ReaderRelation.Member.WAY) {
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wayToRelations.put(member.getRef(), encodeRelationMembership(member.getRole(), rel.getId()));
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}
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}
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}
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}
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// TODO allow limiting multipolygon storage to only ones that profile cares about
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if (rel.hasTag("type", "multipolygon")) {
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for (ReaderRelation.Member member : rel.getMembers()) {
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if (member.getType() == ReaderRelation.Member.WAY) {
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waysInMultipolygon.add(member.getRef());
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}
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}
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}
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}
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}
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/**
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* Constructs geometries from OSM elements and emits map features as defined by the {@link Profile}.
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*
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* @param writer consumer that will store finished features
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* @param config user-provided arguments to control the number of threads, and log interval
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*/
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public void pass2(FeatureGroup writer, FlatmapConfig config) {
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var timer = stats.startStage("osm_pass2");
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int threads = config.threads();
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int readerThreads = Math.max(threads / 4, 1);
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int processThreads = threads - (threads >= 4 ? 1 : 0);
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Counter.MultiThreadCounter nodesProcessed = Counter.newMultiThreadCounter();
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Counter.MultiThreadCounter waysProcessed = Counter.newMultiThreadCounter();
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Counter.MultiThreadCounter relsProcessed = Counter.newMultiThreadCounter();
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stats.counter("osm_pass2_elements_processed", "type", () -> Map.of(
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"nodes", nodesProcessed,
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"ways", waysProcessed,
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"relations", relsProcessed
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));
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// since multiple threads process OSM elements, and we must process all ways before processing any relations,
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// use a count down latch to wait for all threads to finish processing ways
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CountDownLatch waysDone = new CountDownLatch(processThreads);
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String parseThreadPrefix = "pbfpass2";
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var pipeline = WorkerPipeline.start("osm_pass2", stats)
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.fromGenerator("pbf", osmInputFile.read(parseThreadPrefix, readerThreads))
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.addBuffer("reader_queue", 50_000, 1_000)
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.<SortableFeature>addWorker("process", processThreads, (prev, next) -> {
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// avoid contention trying to get the thread-local counters by getting them once when thread starts
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Counter nodes = nodesProcessed.counterForThread();
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Counter ways = waysProcessed.counterForThread();
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Counter rels = relsProcessed.counterForThread();
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ReaderElement readerElement;
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var featureCollectors = new FeatureCollector.Factory(config, stats);
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NodeLocationProvider nodeLocations = newNodeLocationProvider();
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FeatureRenderer renderer = createFeatureRenderer(writer, config, next);
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while ((readerElement = prev.get()) != null) {
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SourceFeature feature = null;
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if (readerElement instanceof ReaderNode node) {
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nodes.inc();
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feature = processNodePass2(node);
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} else if (readerElement instanceof ReaderWay way) {
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ways.inc();
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feature = processWayPass2(way, nodeLocations);
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} else if (readerElement instanceof ReaderRelation rel) {
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// ensure all ways finished processing before we start relations
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if (waysDone.getCount() > 0) {
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waysDone.countDown();
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waysDone.await();
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}
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rels.inc();
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feature = processRelationPass2(rel, nodeLocations);
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}
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// render features specified by profile and hand them off to next step that will
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// write them intermediate storage
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if (feature != null) {
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FeatureCollector features = featureCollectors.get(feature);
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profile.processFeature(feature, features);
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for (FeatureCollector.Feature renderable : features) {
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renderer.accept(renderable);
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}
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}
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}
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// just in case a worker skipped over all relations
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waysDone.countDown();
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}).addBuffer("feature_queue", 50_000, 1_000)
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// FeatureGroup writes need to be single-threaded
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.sinkToConsumer("write", 1, writer);
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var logger = ProgressLoggers.create()
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.addRatePercentCounter("nodes", PASS1_NODES.get(), nodesProcessed)
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.addFileSizeAndRam(nodeLocationDb)
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.addRatePercentCounter("ways", PASS1_WAYS.get(), waysProcessed)
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.addRatePercentCounter("rels", PASS1_RELATIONS.get(), relsProcessed)
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.addRateCounter("features", writer::numFeaturesWritten)
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.addFileSize(writer)
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.newLine()
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.addProcessStats()
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.addInMemoryObject("hppc", this)
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.newLine()
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.addThreadPoolStats("parse", parseThreadPrefix + "-pool")
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.addPipelineStats(pipeline);
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pipeline.awaitAndLog(logger, config.logInterval());
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profile.finish(name,
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new FeatureCollector.Factory(config, stats),
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createFeatureRenderer(writer, config, writer));
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timer.stop();
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}
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private FeatureRenderer createFeatureRenderer(FeatureGroup writer, FlatmapConfig config,
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Consumer<SortableFeature> next) {
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var encoder = writer.newRenderedFeatureEncoder();
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return new FeatureRenderer(
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config,
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rendered -> next.accept(encoder.apply(rendered)),
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stats
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);
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}
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SourceFeature processNodePass2(ReaderNode node) {
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// nodes are simple because they already contain their location
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return new NodeSourceFeature(node);
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}
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SourceFeature processWayPass2(ReaderWay way, NodeLocationProvider nodeLocations) {
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// ways contain an ordered list of node IDs, so we need to join that with node locations
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// from pass1 to reconstruct the geometry.
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LongArrayList nodes = way.getNodes();
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if (waysInMultipolygon.contains(way.getId())) {
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// if this is part of a multipolygon, store the node IDs for this way ID so that when
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// we get to the multipolygon we can go from way IDs -> node IDs -> node locations.
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synchronized (this) { // multiple threads may update this concurrently
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multipolygonWayGeometries.putAll(way.getId(), nodes);
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}
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}
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boolean closed = nodes.size() > 1 && nodes.get(0) == nodes.get(nodes.size() - 1);
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// area tag used to differentiate between whether a closed way should be treated as a polygon or linestring
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String area = way.getTag("area");
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List<RelationMember<OsmRelationInfo>> rels = getRelationMembershipForWay(way.getId());
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return new WaySourceFeature(way, closed, area, nodeLocations, rels);
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}
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SourceFeature processRelationPass2(ReaderRelation rel, NodeLocationProvider nodeLocations) {
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// Relation info gets used during way processing, except multipolygons which we have to process after we've
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// stored all the node IDs for each way.
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if (rel.hasTag("type", "multipolygon")) {
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List<RelationMember<OsmRelationInfo>> parentRelations = getRelationMembershipForWay(rel.getId());
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return new MultipolygonSourceFeature(rel, nodeLocations, parentRelations);
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} else {
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return null;
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}
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}
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private List<RelationMember<OsmRelationInfo>> getRelationMembershipForWay(long wayId) {
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LongArrayList relationIds = wayToRelations.get(wayId);
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List<RelationMember<OsmRelationInfo>> rels = null;
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if (!relationIds.isEmpty()) {
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rels = new ArrayList<>(relationIds.size());
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for (int r = 0; r < relationIds.size(); r++) {
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long encoded = relationIds.get(r);
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// encoded ID uses the upper few bits of the long to encode the role
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RelationMembership parsed = decodeRelationMembership(encoded);
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OsmRelationInfo rel = relationInfo.get(parsed.relationId);
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if (rel != null) {
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rels.add(new RelationMember<>(parsed.role, rel));
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}
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}
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}
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return rels;
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}
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@Override
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public long estimateMemoryUsageBytes() {
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long size = 0;
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size += estimateSize(waysInMultipolygon);
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size += estimateSize(multipolygonWayGeometries);
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size += estimateSize(wayToRelations);
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size += estimateSizeWithoutValues(relationInfo);
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size += MemoryEstimator.estimateSizeWithoutValues(roleIdsReverse);
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size += estimateSizeWithoutKeys(roleIds);
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size += roleSizes.get();
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size += relationInfoSizes.get();
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return size;
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}
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@Override
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public void close() throws IOException {
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multipolygonWayGeometries = null;
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wayToRelations = null;
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waysInMultipolygon = null;
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relationInfo = null;
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nodeLocationDb.close();
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roleIds.release();
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roleIdsReverse.release();
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}
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NodeLocationProvider newNodeLocationProvider() {
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return new NodeDbLocationProvider();
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}
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public interface NodeLocationProvider {
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default CoordinateSequence getWayGeometry(LongArrayList nodeIds) {
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CoordinateList coordList = new CoordinateList();
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for (var cursor : nodeIds) {
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coordList.add(getCoordinate(cursor.value));
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}
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return new CoordinateArraySequence(coordList.toCoordinateArray());
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}
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Coordinate getCoordinate(long id);
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}
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/**
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* Member of a relation extracted from OSM input data.
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*
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* @param <T> type of the user-defined class storing information about the relation
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* @param role "role" of the relation member
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* @param relation user-provided data about the relation from pass1
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*/
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public static record RelationMember<T extends OsmRelationInfo>(String role, T relation) {}
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/** Raw relation membership data that gets encoded/decoded into a long. */
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private record RelationMembership(String role, long relationId) {}
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/** Returns the role and relation ID packed into a long. */
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private RelationMembership decodeRelationMembership(long encoded) {
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int role = (int) ((encoded >>> ROLE_SHIFT) & ROLE_MASK);
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return new RelationMembership(roleIdsReverse.get(role), encoded & NOT_ROLE_MASK);
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}
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/** Packs a string role and relation into a compact long for storage. */
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private long encodeRelationMembership(String role, long relationId) {
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int roleId = roleIds.getOrDefault(role, -1);
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if (roleId == -1) {
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roleSizes.addAndGet(estimateSize(role));
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roleId = roleIds.size() + 1;
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roleIds.put(role, roleId);
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roleIdsReverse.put(roleId, role);
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if (roleId > MAX_ROLES) {
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throw new IllegalStateException("Too many roles to encode: " + role);
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}
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}
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return relationId | ((long) roleId << ROLE_SHIFT);
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}
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/**
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* A source feature generated from OSM elements. Inferring the geometry can be expensive, so each sublass is
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* constructed with the inputs necessary to create the geometry, but the geometry is constructed lazily on read.
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*/
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private abstract class OsmFeature extends SourceFeature {
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private final boolean polygon;
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private final boolean line;
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private final boolean point;
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private Geometry latLonGeom;
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private Geometry worldGeom;
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public OsmFeature(ReaderElement elem, boolean point, boolean line, boolean polygon,
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List<RelationMember<OsmRelationInfo>> relationInfo) {
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|
super(ReaderElementUtils.getTags(elem), name, null, relationInfo, elem.getId());
|
|
this.point = point;
|
|
this.line = line;
|
|
this.polygon = polygon;
|
|
}
|
|
|
|
@Override
|
|
public Geometry latLonGeometry() throws GeometryException {
|
|
return latLonGeom != null ? latLonGeom : (latLonGeom = GeoUtils.worldToLatLonCoords(worldGeometry()));
|
|
}
|
|
|
|
@Override
|
|
public Geometry worldGeometry() throws GeometryException {
|
|
return worldGeom != null ? worldGeom : (worldGeom = computeWorldGeometry());
|
|
}
|
|
|
|
protected abstract Geometry computeWorldGeometry() throws GeometryException;
|
|
|
|
@Override
|
|
public boolean isPoint() {
|
|
return point;
|
|
}
|
|
|
|
@Override
|
|
public boolean canBeLine() {
|
|
return line;
|
|
}
|
|
|
|
@Override
|
|
public boolean canBePolygon() {
|
|
return polygon;
|
|
}
|
|
}
|
|
|
|
/** A {@link Point} created from an OSM node. */
|
|
private class NodeSourceFeature extends OsmFeature {
|
|
|
|
private final double lon;
|
|
private final double lat;
|
|
|
|
NodeSourceFeature(ReaderNode node) {
|
|
super(node, true, false, false, null);
|
|
this.lon = node.getLon();
|
|
this.lat = node.getLat();
|
|
}
|
|
|
|
@Override
|
|
protected Geometry computeWorldGeometry() {
|
|
return GeoUtils.point(
|
|
GeoUtils.getWorldX(lon),
|
|
GeoUtils.getWorldY(lat)
|
|
);
|
|
}
|
|
|
|
@Override
|
|
public boolean isPoint() {
|
|
return true;
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "OsmNode[" + id() + ']';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A {@link LineString} or {@link Polygon} created from an OSM way.
|
|
* <p>
|
|
* Unclosed rings are always interpreted as linestrings. Closed rings can be interpreted as either a polygon or a
|
|
* linestring unless {@code area=yes} tag prevents them from being a linestring or {@code area=no} tag prevents them
|
|
* from being a polygon.
|
|
*/
|
|
private class WaySourceFeature extends OsmFeature {
|
|
|
|
private final NodeLocationProvider nodeLocations;
|
|
private final LongArrayList nodeIds;
|
|
|
|
public WaySourceFeature(ReaderWay way, boolean closed, String area, NodeLocationProvider nodeLocations,
|
|
List<RelationMember<OsmRelationInfo>> relationInfo) {
|
|
super(way, false,
|
|
(!closed || !"yes".equals(area)) && way.getNodes().size() >= 2, // line
|
|
(closed && !"no".equals(area)) && way.getNodes().size() >= 4, // polygon
|
|
relationInfo
|
|
);
|
|
this.nodeIds = way.getNodes();
|
|
this.nodeLocations = nodeLocations;
|
|
}
|
|
|
|
@Override
|
|
protected Geometry computeLine() throws GeometryException {
|
|
try {
|
|
CoordinateSequence coords = nodeLocations.getWayGeometry(nodeIds);
|
|
return GeoUtils.JTS_FACTORY.createLineString(coords);
|
|
} catch (IllegalArgumentException e) {
|
|
throw new GeometryException("osm_invalid_line", "Error building line for way " + id() + ": " + e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected Geometry computePolygon() throws GeometryException {
|
|
try {
|
|
CoordinateSequence coords = nodeLocations.getWayGeometry(nodeIds);
|
|
return GeoUtils.JTS_FACTORY.createPolygon(coords);
|
|
} catch (IllegalArgumentException e) {
|
|
throw new GeometryException("osm_invalid_polygon", "Error building polygon for way " + id() + ": " + e);
|
|
}
|
|
}
|
|
|
|
@Override
|
|
protected Geometry computeWorldGeometry() throws GeometryException {
|
|
return canBePolygon() ? polygon() : line();
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "OsmWay[" + id() + ']';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A {@link MultiPolygon} created from an OSM relation where {@code type=multipolygon}.
|
|
* <p>
|
|
* Delegates complex reconstruction work to {@link OsmMultipolygon}.
|
|
*/
|
|
private class MultipolygonSourceFeature extends OsmFeature {
|
|
|
|
private final ReaderRelation relation;
|
|
private final NodeLocationProvider nodeLocations;
|
|
|
|
public MultipolygonSourceFeature(ReaderRelation relation, NodeLocationProvider nodeLocations,
|
|
List<RelationMember<OsmRelationInfo>> parentRelations) {
|
|
super(relation, false, false, true, parentRelations);
|
|
this.relation = relation;
|
|
this.nodeLocations = nodeLocations;
|
|
}
|
|
|
|
@Override
|
|
protected Geometry computeWorldGeometry() throws GeometryException {
|
|
List<LongArrayList> rings = new ArrayList<>(relation.getMembers().size());
|
|
for (ReaderRelation.Member member : relation.getMembers()) {
|
|
String role = member.getRole();
|
|
LongArrayList poly = multipolygonWayGeometries.get(member.getRef());
|
|
if (member.getType() == ReaderRelation.Member.WAY) {
|
|
if (poly != null && !poly.isEmpty()) {
|
|
rings.add(poly);
|
|
} else {
|
|
LOGGER.warn("Missing " + role + " OsmWay[" + member.getRef() + "] for multipolygon " + this);
|
|
}
|
|
}
|
|
}
|
|
return OsmMultipolygon.build(rings, nodeLocations, id());
|
|
}
|
|
|
|
@Override
|
|
public String toString() {
|
|
return "OsmRelation[" + id() + ']';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A thin layer on top of {@link LongLongMap} that decodes node locations stored as {@code long} values.
|
|
*/
|
|
private class NodeDbLocationProvider implements NodeLocationProvider {
|
|
|
|
@Override
|
|
public Coordinate getCoordinate(long id) {
|
|
long encoded = nodeLocationDb.get(id);
|
|
if (encoded == LongLongMap.MISSING_VALUE) {
|
|
throw new IllegalArgumentException("Missing location for node: " + id);
|
|
}
|
|
return new CoordinateXY(GeoUtils.decodeWorldX(encoded), GeoUtils.decodeWorldY(encoded));
|
|
}
|
|
|
|
@Override
|
|
public CoordinateSequence getWayGeometry(LongArrayList nodeIds) {
|
|
int num = nodeIds.size();
|
|
CoordinateSequence seq = new PackedCoordinateSequence.Double(nodeIds.size(), 2, 0);
|
|
|
|
for (int i = 0; i < num; i++) {
|
|
long encoded = nodeLocationDb.get(nodeIds.get(i));
|
|
if (encoded == LongLongMap.MISSING_VALUE) {
|
|
throw new IllegalArgumentException("Missing location for node: " + nodeIds.get(i));
|
|
}
|
|
seq.setOrdinate(i, 0, GeoUtils.decodeWorldX(encoded));
|
|
seq.setOrdinate(i, 1, GeoUtils.decodeWorldY(encoded));
|
|
}
|
|
return seq;
|
|
}
|
|
}
|
|
}
|