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trigger route re-calculation also based on new directionDetection (Under some conditions route was not recalculated for very long times)

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sonora 2012-03-16 00:46:16 +01:00
parent b8f6a443d8
commit de62324e82
1 changed files with 11 additions and 4 deletions
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15
OsmAnd/src/net/osmand/plus/routing/RoutingHelper.java
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@ -225,6 +225,7 @@ public class RoutingHelper {
boolean calculateRoute = false;
synchronized (this) {
// 0. Route empty or needs to be extended? Then re-calculate route.
if(routeNodes.isEmpty() || routeNodes.size() <= currentRoute){
calculateRoute = true;
} else {
@ -263,7 +264,7 @@ public class RoutingHelper {
}
}
// 4. evaluate distance to the route and reevaluate if needed
// 4. >50m away from current routeNode? Then re-calculate route.
if(currentRoute > 0){
float bearing = routeNodes.get(currentRoute - 1).bearingTo(routeNodes.get(currentRoute));
float bearingMovement = currentLocation.bearingTo(routeNodes.get(currentRoute));
@ -274,12 +275,12 @@ public class RoutingHelper {
}
}
// 5. also check bearing by summing distance
// 5. Sum distance to last and current route nodes
if(!calculateRoute){
float d = currentLocation.distanceTo(routeNodes.get(currentRoute));
if (d > 80) {
if (currentRoute > 0) {
// possibly that case is not needed (often it is covered by 4.)
// 5a. Greater than 2*distance between them? Then re-calculate route. (Case often covered by 4., but still needed.)
float f1 = currentLocation.distanceTo(routeNodes.get(currentRoute - 1)) + d;
float c = routeNodes.get(currentRoute - 1).distanceTo(routeNodes.get(currentRoute));
if (c * 2 < d + f1) {
@ -287,7 +288,7 @@ public class RoutingHelper {
calculateRoute = true;
}
} else {
// that case is needed
// 5b. Too far from route start? Then re-calculate route.
log.info("Recalculate route, because too far from start : " + d); //$NON-NLS-1$
calculateRoute = true;
}
@ -303,6 +304,12 @@ public class RoutingHelper {
}
}
lastFixedLocation = currentLocation;
// 8. Strange Direction? Then re-calculate route. (Added new, may possibly even replace triggers 4, 5a, 5b ?)
if(suppressTurnPrompt){
calculateRoute = true;
}
if(calculateRoute){
recalculateRouteInBackground(lastFixedLocation, finalLocation, currentGPXRoute);
}