/*
* Handle route=road relations.
*
* @param relation
*/
private void processRoad(OSMRelation relation) {
for (OSMRelationMember member : relation.getMembers()) {
if (!("way".equals(member.getType()) && _ways.containsKey(member.getRef()))) {
continue;
}
OSMWay way = _ways.get(member.getRef());
if (way == null) {
continue;
}
if (relation.hasTag("name")) {
if (way.hasTag("otp:route_name")) {
way.addTag(
"otp:route_name",
addUniqueName(way.getTag("otp:route_name"), relation.getTag("name")));
} else {
way.addTag(new OSMTag("otp:route_name", relation.getTag("name")));
}
}
if (relation.hasTag("ref")) {
if (way.hasTag("otp:route_ref")) {
way.addTag(
"otp:route_ref",
addUniqueName(way.getTag("otp:route_ref"), relation.getTag("ref")));
} else {
way.addTag(new OSMTag("otp:route_ref", relation.getTag("ref")));
}
}
}
}
/**
* <<<<<<< HEAD ======= Copies useful metadata from multipolygon relations to the relevant ways.
*
* <p>This is done at a different time than processRelations(), so that way purging doesn't
* remove the used ways.
*/
private void processMultipolygons() {
for (OSMRelation relation : _relations.values()) {
if (!(relation.isTag("type", "multipolygon") && relation.hasTag("highway"))) {
continue;
}
for (OSMRelationMember member : relation.getMembers()) {
if (!("way".equals(member.getType()) && _ways.containsKey(member.getRef()))) {
continue;
}
OSMWay way = _ways.get(member.getRef());
if (way == null) {
continue;
}
if (relation.hasTag("highway") && !way.hasTag("highway")) {
way.addTag("highway", relation.getTag("highway"));
}
if (relation.hasTag("name") && !way.hasTag("name")) {
way.addTag("name", relation.getTag("name"));
}
if (relation.hasTag("ref") && !way.hasTag("ref")) {
way.addTag("ref", relation.getTag("ref"));
}
}
}
}
public void addRelation(OSMRelation relation) {
if (_relations.containsKey(relation.getId())) return;
if (!(relation.isTag("type", "restriction"))
&& !(relation.isTag("type", "route") && relation.isTag("route", "road"))
&& !(relation.isTag("type", "multipolygon") && relation.hasTag("highway"))
&& !(relation.isTag("type", "level_map"))) {
return;
}
_relations.put(relation.getId(), relation);
if (_relations.size() % 100 == 0) _log.debug("relations=" + _relations.size());
}
/**
* Process an OSM level map.
*
* @param relation
*/
private void processLevelMap(OSMRelation relation) {
ArrayList<String> levels = new ArrayList<String>();
// This stores the mapping from level keys to the full level values
HashMap<String, String> levelFullNames = new HashMap<String, String>();
int levelDelta = 0;
/*
* parse all of the levels
* this array is ordered
* this is a little different than the OpenStreetMap levels notation,
* because the lowest level of a building (basement or whatever) is
* always otp:numeric_level 0. This is OK, as otp:numeric_level tags
* are *always* accompanied by otp:human_level tags that give the actual
* name of the level; otp:numeric_level is used only for relative
* position, and should *never* be shown to the user. To make things more understandable
* we try to find a delta to compensate and put the basement where it should be, but
* this data should never be displayed to the user or mixed with OSM levels
* from elsewhere. It's possible we wouldn't find a delta (imagine
* levels=Garage;Basement;Lobby;Sky Bridge;Roof), but this is OK.
*/
Pattern isRange = Pattern.compile("^[0-9]+\\-[0-9]+$");
Matcher m;
for (String level : relation.getTag("levels").split(";")) {
// split out ranges
m = isRange.matcher(level);
if (m.matches()) {
String[] range = level.split("-");
int endOfRange = Integer.parseInt(range[1]);
for (int i = Integer.parseInt(range[0]); i <= endOfRange; i++) {
levels.add(Integer.toString(i));
}
}
// not a range, just normal
else {
levels.add(level);
}
}
// try to get a best-guess delta between level order and level numbers, and fix up
// levels
for (int i = 0; i < levels.size(); i++) {
String level = levels.get(i);
// leaving it null gives NullPointerException when there is no matched 0 level
// making it 1 doesn't matter, since its only purpose is to be compared to 0
Integer numLevel = 1;
// try to parse out the level number
try {
numLevel = Integer.parseInt(level);
} catch (NumberFormatException e) {
try {
numLevel = Integer.parseInt(level.split("=")[0]);
} catch (NumberFormatException e2) {
try {
// http://stackoverflow.com/questions/1181969/java-get-last-element-after-split
int lastInd = level.lastIndexOf('@');
if (lastInd != -1) {
numLevel = Integer.parseInt(level.substring(lastInd + 1));
}
} catch (NumberFormatException e3) {
// do nothing
}
}
}
if (numLevel == 0) {
levelDelta = -1 * levels.indexOf(level);
}
String levelIndex;
String levelName;
// get just the human-readable level name from a name like T=Tunnel@-15
// first, discard elevation info
// don't use split, in case there is an @ in the level name; split on only the last
// one
int lastIndAt = level.lastIndexOf('@');
if (lastIndAt >= 1) {
level = level.substring(0, lastIndAt);
}
// if it's there, discard the long name, but put it into a hashmap for retrieval
// below
// Why not just use the hashmap? Because we need the ordered ArrayList.
Integer levelSplit = level.indexOf('=');
if (levelSplit >= 1) {
levelIndex = level.substring(0, levelSplit);
levelName = level.substring(levelSplit + 1);
} else {
// set them both the same, the @whatever has already been discarded
levelIndex = levelName = level;
}
// overwrite for later indexing
levels.set(i, levelIndex);
// add to the HashMap
levelFullNames.put(levelIndex, levelName);
}
for (OSMRelationMember member : relation.getMembers()) {
if ("way".equals(member.getType()) && _ways.containsKey(member.getRef())) {
OSMWay way = _ways.get(member.getRef());
if (way != null) {
String role = member.getRole();
// this would indicate something more complicated than a single
// level. Skip it.
if (!relation.hasTag("role:" + role)) {
if (levels.indexOf(role) != -1) {
way.addTag(
"otp:numeric_level", Integer.toString(levels.indexOf(role) + levelDelta));
way.addTag("otp:human_level", levelFullNames.get(role));
} else {
_log.warn(member.getRef() + " has undefined level " + role);
}
}
}
}
}
}