kopia lustrzana https://github.com/onthegomap/planetiler
101 wiersze
3.4 KiB
Java
101 wiersze
3.4 KiB
Java
/* ****************************************************************
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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****************************************************************/
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package com.onthegomap.planetiler.util;
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import com.carrotsearch.hppc.ObjectIntMap;
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import com.onthegomap.planetiler.collection.Hppc;
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import java.util.Map;
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import java.util.Set;
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/**
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* Parse utilities ported to Java from <a href=
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* "https://github.com/omniscale/imposm3/blob/master/mapping/columns.go">omniscale/imposm3:mapping/columns.go</a>
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*/
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public class Imposm3Parsers {
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private Imposm3Parsers() {}
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private static String string(Object object) {
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return object == null ? null : object.toString();
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}
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private static final ObjectIntMap<String> defaultRank = Hppc.newObjectIntHashMap();
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static {
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defaultRank.put("minor", 3);
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defaultRank.put("road", 3);
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defaultRank.put("unclassified", 3);
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defaultRank.put("residential", 3);
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defaultRank.put("tertiary_link", 3);
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defaultRank.put("tertiary", 4);
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defaultRank.put("secondary_link", 3);
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defaultRank.put("secondary", 5);
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defaultRank.put("primary_link", 3);
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defaultRank.put("primary", 6);
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defaultRank.put("trunk_link", 3);
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defaultRank.put("trunk", 8);
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defaultRank.put("motorway_link", 3);
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defaultRank.put("motorway", 9);
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}
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/**
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* Returns a z-order for an OSM road based on the tags that are present. Bridges are above roads appear above tunnels
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* and major roads appear above minor.
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*/
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public static int wayzorder(Map<String, Object> tags) {
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long z = Parse.parseLong(tags.get("layer")) * 10 +
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defaultRank.getOrDefault(
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string(tags.get("highway")),
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tags.containsKey("railway") ? 7 : 0
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) +
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(boolInt(tags.get("tunnel")) * -10L) +
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(boolInt(tags.get("bridge")) * 10L);
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return Math.abs(z) < 10_000 ? (int) z : 0;
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}
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private static final Set<String> forwardDirections = Set.of("1", "yes", "true");
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/**
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* Returns the direction value for an input string -1 is reverse, 1 is forward ("1" "yes" or "true"), and 0 is other.
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*
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* @see <a href="https://wiki.openstreetmap.org/wiki/Key:oneway">OSM one-way</a>
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*/
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public static int direction(Object obj) {
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if (obj == null) {
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return 0;
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}
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String string = string(obj);
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if (forwardDirections.contains(string)) {
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return 1;
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} else if ("-1".equals(string)) {
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return -1;
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} else {
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return 0;
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}
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}
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private static final Set<String> booleanFalseValues = Set.of("", "0", "false", "no");
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/** Returns {@code false} if {@code tag} is empty, "0", "false", or "no" and {@code true} otherwise. */
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public static boolean bool(Object tag) {
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return !(tag == null || booleanFalseValues.contains(tag.toString()));
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}
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/** Returns 1 if {@link #bool(Object)} is {@code false}, 0 otherwise. */
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public static int boolInt(Object tag) {
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return bool(tag) ? 1 : 0;
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}
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}
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