// TODO : need to fix turn by turn ramp
public static String turnByTurn(ArrayList<Long> pathNodeList) {
String turnByTurnText = "";
int prevHierarchy = -1;
int prevDirIndex = -1;
String prevName = "";
long distance = 0;
boolean firstRoute = true;
NodeInfo prevNodeInfo = null;
if (pathNodeList == null || pathNodeList.size() == 0) {
return getErrorText() + OSMParam.LINEEND;
}
for (long nodeId : pathNodeList) {
if (prevNodeInfo == null) {
prevNodeInfo = OSMData.nodeHashMap.get(nodeId);
continue;
}
NodeInfo nodeInfo = OSMData.nodeHashMap.get(nodeId);
EdgeInfo edge = prevNodeInfo.getEdgeFromNodes(nodeInfo);
String highway = edge.getHighway();
String name = edge.getName();
int hierarchy = 6;
if (OSMData.hierarchyHashMap.containsKey(highway)) {
hierarchy = OSMData.hierarchyHashMap.get(highway);
}
int dirIndex = Geometry.getDirectionIndex(prevNodeInfo.getLocation(), nodeInfo.getLocation());
// initial prev
if (prevHierarchy == -1) {
prevHierarchy = hierarchy;
prevDirIndex = dirIndex;
prevName = name;
}
if (prevHierarchy > 1 && hierarchy == 1) { // from arterial to highway
if (firstRoute) {
// first route message
turnByTurnText = getFirstRouteText(prevDirIndex, prevName, name) + OSMParam.LINEEND;
firstRoute = false;
}
// distance message
turnByTurnText += getDistanceText(distance) + OSMParam.LINEEND;
turnByTurnText += getRampText(name) + OSMParam.LINEEND;
distance = 0;
} else if (prevHierarchy == 1 && hierarchy > 1) { // from highway to arterial
if (firstRoute) {
// first route message
turnByTurnText = getFirstRouteText(prevDirIndex, prevName, name) + OSMParam.LINEEND;
firstRoute = false;
}
// distance message
turnByTurnText += getDistanceText(distance) + OSMParam.LINEEND;
turnByTurnText += getExitText(name) + OSMParam.LINEEND;
distance = 0;
} else if (prevHierarchy == 1 && hierarchy == 1) { // on the highway
if (!prevName.equals(name)) { // change highway
if (firstRoute) {
// first route message
turnByTurnText = getFirstRouteText(prevDirIndex, prevName, name) + OSMParam.LINEEND;
firstRoute = false;
}
// distance message
turnByTurnText += getDistanceText(distance) + OSMParam.LINEEND;
turnByTurnText += getExitText(name) + OSMParam.LINEEND;
distance = 0;
}
} else { // on the arterial
// change direction or road happen
if (!Geometry.isSameDirection(dirIndex, prevDirIndex) || !prevName.equals(name)) {
if (firstRoute) {
// first route message
turnByTurnText = getFirstRouteText(prevDirIndex, prevName, name) + OSMParam.LINEEND;
firstRoute = false;
}
// distance message
turnByTurnText += getDistanceText(distance) + OSMParam.LINEEND;
if (!Geometry.isSameDirection(dirIndex, prevDirIndex)) { // change direction
turnByTurnText +=
getTurnText(prevDirIndex, dirIndex, prevName, name) + OSMParam.LINEEND;
} else { // change road
turnByTurnText += getMergeText(name) + OSMParam.LINEEND;
}
distance = 0;
}
}
prevNodeInfo = nodeInfo;
prevHierarchy = hierarchy;
prevDirIndex = dirIndex;
prevName = name;
distance += edge.getDistance();
}
// distance message
turnByTurnText += getDistanceText(distance) + OSMParam.LINEEND;
turnByTurnText += getArriveText() + OSMParam.LINEEND;
return turnByTurnText;
}
