/** Constructor for XML Parser */
public static OSMWay create(long id, XMLStreamReader parser) throws XMLStreamException {
OSMWay way = new OSMWay(id);
parser.nextTag();
way.readNodes(parser);
way.readTags(parser);
return way;
}
/** Special handling for ferry ways. */
protected long handleFerry(
OSMWay way, int unknownSpeed, int shortTripsSpeed, int longTripsSpeed) {
// to hours
double durationInHours = parseDuration(way.getTag("duration")) / 60d;
if (durationInHours > 0)
try { // to km
double estimatedLength = Double.parseDouble(way.getTag("estimated_distance")) / 1000;
// If duration AND distance is available we can calculate the speed more precisely
// and set both speed to the same value. Factor 1.4 slower because of waiting time!
shortTripsSpeed = (int) Math.round(estimatedLength / durationInHours / 1.4);
if (shortTripsSpeed > getMaxSpeed()) shortTripsSpeed = getMaxSpeed();
longTripsSpeed = shortTripsSpeed;
} catch (Exception ex) {
}
if (durationInHours == 0) {
// unknown speed -> put penalty on ferry transport
return speedEncoder.setValue(0, unknownSpeed);
} else if (durationInHours > 1) {
// lengthy ferries should be faster than short trip ferry
return speedEncoder.setValue(0, longTripsSpeed);
} else {
return speedEncoder.setValue(0, shortTripsSpeed);
}
}
@Override
public int handleWayTags(int allowed, OSMWay way) {
if ((allowed & acceptBit) == 0) return 0;
int encoded;
if ((allowed & ferryBit) == 0) {
String sacScale = way.getTag("sac_scale");
if (sacScale != null) {
if ("hiking".equals(sacScale)) encoded = speedEncoder.setValue(0, MEAN);
else encoded = speedEncoder.setValue(0, SLOW);
} else {
encoded = speedEncoder.setValue(0, MEAN);
}
encoded |= directionBitMask;
// mark safe ways or ways with cycle lanes
if (safeHighwayTags.contains(way.getTag("highway")) || way.hasTag("sidewalk", sidewalks)) {
encoded |= safeWayBit;
}
} else {
int durationInMinutes = parseDuration(way.getTag("duration"));
if (durationInMinutes == 0) {
// unknown speed -> put penalty on ferry transport
encoded = speedEncoder.setValue(0, SLOW);
} else if (durationInMinutes > 60) {
// lengthy ferries should be faster than average hiking
encoded = speedEncoder.setValue(0, FERRY);
} else {
encoded = speedEncoder.setValue(0, MEAN);
}
encoded |= directionBitMask;
}
return encoded;
}
/**
* Some ways are okay but not separate for pedestrians.
*
* <p>
*
* @param way
*/
@Override
public int isAllowed(OSMWay way) {
String highwayValue = way.getTag("highway");
if (highwayValue == null) {
if (way.hasTag("route", ferries)) {
String footTag = way.getTag("foot");
if (footTag == null || "yes".equals(footTag)) return acceptBit | ferryBit;
}
return 0;
}
String sacScale = way.getTag("sac_scale");
if (sacScale != null) {
if (!"hiking".equals(sacScale) && !"mountain_hiking".equals(sacScale))
// other scales are too dangerous, see http://wiki.openstreetmap.org/wiki/Key:sac_scale
return 0;
}
if (way.hasTag("sidewalk", sidewalks)) return acceptBit;
// no need to evaluate ferries or fords - already included here
if (way.hasTag("foot", intended)) return acceptBit;
if (!allowedHighwayTags.contains(highwayValue)) return 0;
if (way.hasTag("motorroad", "yes")) return 0;
// do not get our feet wet, "yes" is already included above
if (way.hasTag("highway", "ford") || way.hasTag("ford")) return 0;
if (way.hasTag("bicycle", "official")) return 0;
// check access restrictions
if (way.hasTag(restrictions, restrictedValues)) return 0;
// do not accept railways (sometimes incorrectly mapped!)
if (way.hasTag("railway") && !way.hasTag("railway", acceptedRailways)) return 0;
return acceptBit;
}
