Test cpp routing

This commit is contained in:
Victor Shcherb 2012-10-31 00:31:41 +01:00
parent 5fb2bad2fd
commit c65bd840b2
6 changed files with 704 additions and 3 deletions

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@ -22,6 +22,7 @@ LOCAL_SRC_FILES := \
src/renderRules.cpp \
src/rendering.cpp \
src/binaryRead.cpp \
src/binaryRoutePlanner.cpp \
src/proto/osmand_index.pb.cpp
ifdef OSMAND_PROFILE_NATIVE_OPERATIONS

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@ -0,0 +1,627 @@
#include "common.h"
#include <queue>
#include "binaryRead.h"
#include <functional>
static bool PRINT_TO_CONSOLE_ROUTE_INFORMATION_TO_TEST = true;
static const int REVERSE_WAY_RESTRICTION_ONLY = 1024;
static const int STANDARD_ROAD_IN_QUEUE_OVERHEAD = 900;
static const int ROUTE_POINTS = 11;
static const float TURN_DEGREE_MIN = 45;
static const short RESTRICTION_NO_RIGHT_TURN = 1;
static const short RESTRICTION_NO_LEFT_TURN = 2;
static const short RESTRICTION_NO_U_TURN = 3;
static const short RESTRICTION_NO_STRAIGHT_ON = 4;
static const short RESTRICTION_ONLY_RIGHT_TURN = 5;
static const short RESTRICTION_ONLY_LEFT_TURN = 6;
static const short RESTRICTION_ONLY_STRAIGHT_ON = 7;
inline int roadPriorityComparator(float o1DistanceFromStart, float o1DistanceToEnd,
float o2DistanceFromStart, float o2DistanceToEnd, float heuristicCoefficient) {
// f(x) = g(x) + h(x) --- g(x) - distanceFromStart, h(x) - distanceToEnd (not exact)
float f1 = o1DistanceFromStart + heuristicCoefficient * o1DistanceToEnd;
float f2 = o2DistanceFromStart + heuristicCoefficient * o2DistanceToEnd;
if(f1 == f2) {
return 0;
}
return f1 < f2 ? -1 : 1;
}
struct RouteSegment {
public :
int segmentStart;
SHARED_PTR<RouteDataObject> road;
// needed to store intersection of routes
SHARED_PTR<RouteSegment> next;
// search context (needed for searching route)
// Initially it should be null (!) because it checks was it segment visited before
SHARED_PTR<RouteSegment> parentRoute;
int parentSegmentEnd;
// distance measured in time (seconds)
float distanceFromStart;
float distanceToEnd;
RouteSegment(SHARED_PTR<RouteDataObject> road, int segmentStart) : road(road), segmentStart(segmentStart),
parentSegmentEnd(0), distanceFromStart(0), distanceToEnd(0){
}
};
// FIXME
const static int ZOOM_TO_LOAD_TILES = 16;
struct RoutingSubregionTile {
RouteSubregion subregion;
// make it without get/set for fast access
int access;
int loaded;
UNORDERED(map)<long long, SHARED_PTR<RouteSegment> > routes;
RoutingSubregionTile():access(0), loaded(0) {
}
bool isLoaded(){
return loaded > 0;
}
};
static long calcRouteId(SHARED_PTR<RouteDataObject> o, int ind) {
return (o->id << 10) + ind;
}
struct RoutingContext {
int visitedSegments;
ElapsedTimer timeToLoad;
ElapsedTimer timeToCalculate;
int firstRoadDirection;
int64_t firstRoadId;
vector<SHARED_PTR<RouteSegment> > segmentsToVisitNotForbidden;
vector<SHARED_PTR<RouteSegment> > segmentsToVisitPrescripted;
int finalReverseEndSegment;
SHARED_PTR<RouteSegment> finalReverseRoute;
int finalDirectEndSegment;
SHARED_PTR<RouteSegment> finalDirectRoute;
UNORDERED(map)<long long, vector<SHARED_PTR<RoutingSubregionTile> > > indexedSubregions;
// void searchRouteRegion(SearchQuery* q, std::vector<RouteDataObject*>& list, RoutingIndex* rs, RouteSubregion* sub)
SHARED_PTR<RouteSegment> loadRouteSegment(int x31, int y31) {
timeToLoad.start();
int64_t xloc = x31 >> (31 - ZOOM_TO_LOAD_TILES);
int64_t yloc = y31 >> (31 - ZOOM_TO_LOAD_TILES);
int64_t tileId = (xloc << ZOOM_TO_LOAD_TILES) + yloc;
// if (indexedSubregions[tileId] == indexedSubregions.end()) {
// SearchQuery q((int) (xloc << zoomToLoad),
// (int) ((xloc + 1) << zoomToLoad), (int) (yloc << zoomToLoad), (int) ((yloc + 1) << zoomToLoad));
// vector<SHARED_PTR<RoutingSubregionTile> > collection = loadTileHeaders(x31, y31);
// indexedSubregions.put(tileId, collection);
// }
// vector<SHARED_PTR<RoutingSubregionTile> > subregions = indexedSubregions.get(tileId);
// if (subregions != null) {
// for (RoutingSubregionTile ts : subregions) {
// if (!ts.isLoaded()) {
// loadSubregionTile(ts, loadOptions == OPTION_IN_MEMORY_LOAD);
// }
// }
// }
timeToLoad.pause();
return SHARED_PTR<RouteSegment>();
}
bool isInterrupted(){
return false;
}
float getHeuristicCoefficient(){
return 1;
}
bool planRouteIn2Directions() {
return true;
}
int getPlanRoadDirection() {
return 0;
}
float defineSpeedPriority(SHARED_PTR<RouteDataObject> r) {
return 1;
}
float defineSpeed(SHARED_PTR<RouteDataObject> r) {
return 1;
}
float getMinDefaultSpeed(){
return 40;
}
float getMaxDefaultSpeed(){
return 130;
}
bool isOneWay(SHARED_PTR<RouteDataObject> r) {
return true;
}
float calculateTurnTime(SHARED_PTR<RouteSegment> segment, int index, SHARED_PTR<RouteSegment> next, int nextIndex){
return 0;
}
float defineRoutingObstacle(SHARED_PTR<RouteDataObject> road, int segmentEnd) {
return 0;
}
bool restrictionsAware(){
return true;
}
};
static double convert31YToMeters(int y1, int y2) {
// translate into meters
return (y1 - y2) * 0.01863f;
}
static double convert31XToMeters(int x1, int x2) {
// translate into meters
return (x1 - x2) * 0.011f;
}
// translate into meters
static double squareRootDist(int x1, int y1, int x2, int y2) {
double dy = convert31YToMeters(y1, y2);
double dx = convert31XToMeters(x1, x2);
return sqrt(dx * dx + dy * dy);
// return measuredDist(x1, y1, x2, y2);
}
static double measuredDist(int x1, int y1, int x2, int y2) {
return getDistance(get31LatitudeY(y1), get31LongitudeX(x1), get31LatitudeY(y2),
get31LongitudeX(x2));
}
static double squareDist(int x1, int y1, int x2, int y2) {
// translate into meters
double dy = convert31YToMeters(y1, y2);
double dx = convert31XToMeters(x1, x2);
return dx * dx + dy * dy;
}
static double h(RoutingContext* ctx, float distanceToFinalPoint, SHARED_PTR<RouteSegment> next) {
return distanceToFinalPoint / ctx->getMaxDefaultSpeed();
}
static double h(RoutingContext* ctx, int targetEndX, int targetEndY,
int startX, int startY) {
double distance = squareRootDist(startX, startY, targetEndX, targetEndY);
return distance / ctx->getMaxDefaultSpeed();
}
struct SegmentsComparator : public std::binary_function<SHARED_PTR<RouteSegment>, SHARED_PTR<RouteSegment>, bool>
{
RoutingContext* ctx;
SegmentsComparator(RoutingContext* c) : ctx(c){
}
bool operator()(const SHARED_PTR<RouteSegment> lhs, const SHARED_PTR<RouteSegment> rhs) const
{
return roadPriorityComparator(lhs.get()->distanceFromStart, lhs.get()->distanceToEnd, rhs.get()->distanceFromStart, rhs.get()->distanceToEnd, ctx->getHeuristicCoefficient()) < 0;
}
};
struct NonHeuristicSegmentsComparator : public std::binary_function<SHARED_PTR<RouteSegment>, SHARED_PTR<RouteSegment>, bool>
{
bool operator()(const SHARED_PTR<RouteSegment> lhs, const SHARED_PTR<RouteSegment> rhs) const
{
return roadPriorityComparator(lhs.get()->distanceFromStart, lhs.get()->distanceToEnd, rhs.get()->distanceFromStart, rhs.get()->distanceToEnd, 0.5) < 0;
}
};
typedef UNORDERED(map)<long long, SHARED_PTR<RouteSegment> > VISITED_MAP;
typedef priority_queue<SHARED_PTR<RouteSegment>, vector<SHARED_PTR<RouteSegment> >, SegmentsComparator > SEGMENTS_QUEUE;
bool processRouteSegment(RoutingContext* ctx, bool reverseWaySearch,
SEGMENTS_QUEUE& graphSegments, VISITED_MAP& visitedSegments, int targetEndX, int targetEndY,
SHARED_PTR<RouteSegment> segment, VISITED_MAP& oppositeSegments);
bool processIntersections(RoutingContext* ctx, SEGMENTS_QUEUE& graphSegments,
VISITED_MAP& visitedSegments, VISITED_MAP& oppositeSegments,
double distFromStart, double distToFinalPoint,
SHARED_PTR<RouteSegment> segment, int segmentEnd, SHARED_PTR<RouteSegment> inputNext,
bool reverseWay);
/**
* Calculate route between start.segmentEnd and end.segmentStart (using A* algorithm)
* return list of segments
*/
void searchRouteInternal(RoutingContext* ctx, SHARED_PTR<RouteSegment> start, SHARED_PTR<RouteSegment> end, bool leftSideNavigation) {
// measure time
ctx->visitedSegments = 0;
ctx->timeToCalculate.start();
// FIXME initial direction
// if(ctx.config.initialDirection != null) {
// ctx.firstRoadId = (start->road->id << ROUTE_POINTS) + start.getSegmentStart();
// double plusDir = start->road->directionRoute(start.segmentStart, true);
// double diff = plusDir - ctx.config.initialDirection;
// if(Math.abs(MapUtils.alignAngleDifference(diff)) <= Math.PI / 3) {
// ctx.firstRoadDirection = 1;
// } else if(Math.abs(MapUtils.alignAngleDifference(diff - Math.PI)) <= Math.PI / 3) {
// ctx.firstRoadDirection = -1;
// }
//
// }
SegmentsComparator sgmCmp(ctx);
SEGMENTS_QUEUE graphDirectSegments(sgmCmp);
SEGMENTS_QUEUE graphReverseSegments(sgmCmp);
// Set to not visit one segment twice (stores road.id << X + segmentStart)
VISITED_MAP visitedDirectSegments ;
VISITED_MAP visitedOppositeSegments;
// FIXME run recalculation
bool runRecalculation = false;
// for start : f(start) = g(start) + h(start) = 0 + h(start) = h(start)
int targetEndX = end->road->pointsX[end->segmentStart];
int targetEndY = end->road->pointsY[end->segmentStart];
int startX = start->road->pointsX[start->segmentStart];
int startY = start->road->pointsY[start->segmentStart];
float estimatedDistance = (float) h(ctx, targetEndX, targetEndY, startX, startY);
end->distanceToEnd = start->distanceToEnd = estimatedDistance;
graphDirectSegments.push(start);
graphReverseSegments.push(end);
// Extract & analyze segment with min(f(x)) from queue while final segment is not found
bool inverse = false;
bool init = false;
NonHeuristicSegmentsComparator nonHeuristicSegmentsComparator;
SEGMENTS_QUEUE * graphSegments;
if(inverse) {
graphSegments = &graphReverseSegments;
} else {
graphSegments = &graphDirectSegments;
}
while (graphSegments->size() > 0) {
SHARED_PTR<RouteSegment> segment = graphSegments->top();
graphSegments->pop();
ctx->visitedSegments++;
bool routeFound = false;
if (!inverse) {
routeFound = processRouteSegment(ctx, false, graphDirectSegments, visitedDirectSegments, targetEndX, targetEndY,
segment, visitedOppositeSegments);
} else {
routeFound = processRouteSegment(ctx, true, graphReverseSegments, visitedOppositeSegments, startX, startY, segment,
visitedDirectSegments);
}
if (graphReverseSegments.size() == 0 || graphDirectSegments.size() == 0 || routeFound) {
break;
}
if(runRecalculation) {
// nothing to do
inverse = false;
} else if (!init) {
inverse = !inverse;
init = true;
} else if (ctx->planRouteIn2Directions()) {
inverse = !nonHeuristicSegmentsComparator(graphDirectSegments.top(), graphReverseSegments.top());
if (graphDirectSegments.size() * 1.3 > graphReverseSegments.size()) {
inverse = true;
} else if (graphDirectSegments.size() < 1.3 * graphReverseSegments.size()) {
inverse = false;
}
} else {
// different strategy : use onedirectional graph
inverse = ctx->getPlanRoadDirection() < 0;
}
if (inverse) {
graphSegments = &graphReverseSegments;
} else {
graphSegments = &graphDirectSegments;
}
// check if interrupted
if(ctx->isInterrupted()) {
return;
}
}
ctx->timeToCalculate.pause();
}
bool processRouteSegment(RoutingContext* ctx, bool reverseWaySearch,
SEGMENTS_QUEUE& graphSegments, VISITED_MAP& visitedSegments, int targetEndX, int targetEndY,
SHARED_PTR<RouteSegment> segment, VISITED_MAP& oppositeSegments) {
// Always start from segmentStart (!), not from segmentEnd
// It makes difference only for the first start segment
// Middle point will always be skipped from observation considering already visited
SHARED_PTR<RouteDataObject> road = segment->road;
int middle = segment->segmentStart;
double obstaclePlusTime = 0;
double obstacleMinusTime = 0;
// 0. mark route segment as visited
long nt = (road->id << ROUTE_POINTS) + middle;
// avoid empty segments to connect but mark the point as visited
visitedSegments[nt] =SHARED_PTR<RouteSegment>();
int oneway = ctx->isOneWay(road);
bool minusAllowed;
bool plusAllowed;
if(ctx->firstRoadId == nt) {
minusAllowed = ctx->firstRoadDirection <= 0;
plusAllowed = ctx->firstRoadDirection >= 0;
} else if (!reverseWaySearch) {
minusAllowed = oneway <= 0;
plusAllowed = oneway >= 0;
} else {
minusAllowed = oneway >= 0;
plusAllowed = oneway <= 0;
}
// +/- diff from middle point
int d = plusAllowed ? 1 : -1;
if(segment->parentRoute.get() != NULL) {
if(plusAllowed && middle < segment->road->pointsX.size() - 1) {
obstaclePlusTime = ctx->calculateTurnTime(segment, segment->road->pointsX.size() - 1,
segment->parentRoute, segment->parentSegmentEnd);
}
if(minusAllowed && middle > 0) {
obstacleMinusTime = ctx->calculateTurnTime(segment, 0,
segment->parentRoute, segment->parentSegmentEnd);
}
}
// Go through all point of the way and find ways to continue
// ! Actually there is small bug when there is restriction to move forward on way (it doesn't take into account)
double posSegmentDist = 0;
double negSegmentDist = 0;
while (minusAllowed || plusAllowed) {
// 1. calculate point not equal to middle
// (algorithm should visit all point on way if it is not oneway)
int segmentEnd = middle + d;
bool positive = d > 0;
if (!minusAllowed && d > 0) {
d++;
} else if (!plusAllowed && d < 0) {
d--;
} else {
if (d <= 0) {
d = -d + 1;
} else {
d = -d;
}
}
if (segmentEnd < 0) {
minusAllowed = false;
continue;
}
if (segmentEnd >= road->pointsX.size()) {
plusAllowed = false;
continue;
}
// if we found end point break cycle
long nts = (road->id << ROUTE_POINTS) + segmentEnd;
visitedSegments[nts]=segment;
// 2. calculate point and try to load neighbor ways if they are not loaded
int x = road->pointsX[segmentEnd];
int y = road->pointsY[segmentEnd];
if(positive) {
posSegmentDist += squareRootDist(x, y,
road->pointsX[segmentEnd - 1], road->pointsY[segmentEnd - 1]);
} else {
negSegmentDist += squareRootDist(x, y,
road->pointsX[segmentEnd + 1], road->pointsY[segmentEnd + 1]);
}
// 2.1 calculate possible obstacle plus time
if(positive) {
double obstacle = ctx->defineRoutingObstacle(road, segmentEnd);
if (obstacle < 0) {
plusAllowed = false;
continue;
}
obstaclePlusTime += obstacle;
} else {
double obstacle = ctx->defineRoutingObstacle(road, segmentEnd);
if (obstacle < 0) {
minusAllowed = false;
continue;
}
obstacleMinusTime += obstacle;
}
// could be expensive calculation
// FIXME memory check
// int overhead = (ctx.visitedSegments - ctx.relaxedSegments ) *
// STANDARD_ROAD_IN_QUEUE_OVERHEAD;
// if(overhead > ctx.config.memoryLimitation * 0.95) {
// throw new OutOfMemoryError("There is no enough memory " + ctx.config.memoryLimitation/(1<<20) + " Mb");
// }
SHARED_PTR<RouteSegment> next = ctx->loadRouteSegment(x, y);
// 3. get intersected ways
if (next.get() != NULL) {
// TO-DO U-Turn
if((next.get() == segment.get() || next->road->id == road->id) && next->next.get() == NULL) {
// simplification if there is no real intersection
continue;
}
// Using A* routing algorithm
// g(x) - calculate distance to that point and calculate time
double priority = ctx->defineSpeedPriority(road);
double speed = ctx->defineSpeed(road) * priority;
if (speed == 0) {
speed = ctx->getMinDefaultSpeed() * priority;
}
double distOnRoadToPass = positive? posSegmentDist : negSegmentDist;
double distStartObstacles = segment->distanceFromStart + ( positive ? obstaclePlusTime : obstacleMinusTime) + distOnRoadToPass / speed;
double distToFinalPoint = squareRootDist(x, y, targetEndX, targetEndY);
bool routeFound = processIntersections(ctx, graphSegments, visitedSegments, oppositeSegments,
distStartObstacles, distToFinalPoint, segment, segmentEnd, next, reverseWaySearch);
if(routeFound) {
return routeFound;
}
}
}
return false;
}
bool proccessRestrictions(RoutingContext* ctx, SHARED_PTR<RouteDataObject> road, SHARED_PTR<RouteSegment> inputNext, bool reverseWay) {
ctx->segmentsToVisitPrescripted.clear();
ctx->segmentsToVisitNotForbidden.clear();
bool exclusiveRestriction = false;
SHARED_PTR<RouteSegment> next = inputNext;
if (!reverseWay && road->restrictions.size() == 0) {
return false;
}
if(!ctx->restrictionsAware()) {
return false;
}
while (next.get() != NULL) {
int type = -1;
if (!reverseWay) {
for (int i = 0; i < road->restrictions.size(); i++) {
if ((road->restrictions[i] >> 3) == next->road->id) {
type = road->restrictions[i] & 7;
break;
}
}
} else {
for (int i = 0; i < next->road->restrictions.size(); i++) {
int rt = next->road->restrictions[i] & 7;
long restrictedTo = next->road->restrictions[i] >> 3;
if (restrictedTo == road->id) {
type = rt;
break;
}
// Check if there is restriction only to the other than current road
if (rt == RESTRICTION_ONLY_RIGHT_TURN || rt == RESTRICTION_ONLY_LEFT_TURN
|| rt == RESTRICTION_ONLY_STRAIGHT_ON) {
// check if that restriction applies to considered junk
SHARED_PTR<RouteSegment> foundNext = inputNext;
while (foundNext.get() != NULL) {
if (foundNext->road->id == restrictedTo) {
break;
}
foundNext = foundNext->next;
}
if (foundNext.get() != NULL) {
type = REVERSE_WAY_RESTRICTION_ONLY; // special constant
}
}
}
}
if (type == REVERSE_WAY_RESTRICTION_ONLY) {
// next = next.next; continue;
} else if (type == -1 && exclusiveRestriction) {
// next = next.next; continue;
} else if (type == RESTRICTION_NO_LEFT_TURN || type == RESTRICTION_NO_RIGHT_TURN
|| type == RESTRICTION_NO_STRAIGHT_ON || type == RESTRICTION_NO_U_TURN) {
// next = next.next; continue;
} else if (type == -1) {
// case no restriction
ctx->segmentsToVisitNotForbidden.push_back(next);
} else {
// case exclusive restriction (only_right, only_straight, ...)
// 1. in case we are going backward we should not consider only_restriction
// as exclusive because we have many "in" roads and one "out"
// 2. in case we are going forward we have one "in" and many "out"
if (!reverseWay) {
exclusiveRestriction = true;
ctx->segmentsToVisitNotForbidden.clear();
ctx->segmentsToVisitPrescripted.push_back(next);
} else {
ctx->segmentsToVisitNotForbidden.push_back(next);
}
}
next = next->next;
}
ctx->segmentsToVisitPrescripted.insert(ctx->segmentsToVisitPrescripted.end(), ctx->segmentsToVisitNotForbidden.begin(), ctx->segmentsToVisitNotForbidden.end());
return true;
}
bool processIntersections(RoutingContext* ctx, SEGMENTS_QUEUE& graphSegments,
VISITED_MAP& visitedSegments, VISITED_MAP& oppositeSegments,
double distFromStart, double distToFinalPoint,
SHARED_PTR<RouteSegment> segment, int segmentEnd, SHARED_PTR<RouteSegment> inputNext,
bool reverseWay) {
bool thereAreRestrictions = proccessRestrictions(ctx, segment->road, inputNext, reverseWay);
vector<SHARED_PTR<RouteSegment> >::iterator nextIterator;
if (thereAreRestrictions) {
nextIterator = ctx->segmentsToVisitPrescripted.begin();
}
// Calculate possible ways to put into priority queue
SHARED_PTR<RouteSegment> next = inputNext;
bool hasNext = !thereAreRestrictions || nextIterator != ctx->segmentsToVisitPrescripted.end();
while (hasNext) {
if (thereAreRestrictions) {
next = *nextIterator;
}
long nts = (next->road->id << ROUTE_POINTS) + next->segmentStart;
// 1. Check if opposite segment found so we can stop calculations
if (oppositeSegments[nts].get() != NULL) {
// restrictions checked
SHARED_PTR<RouteSegment> opposite = oppositeSegments[nts];
// additional check if opposite way not the same as current one
if (next->segmentStart != segmentEnd ||
opposite->road->id != segment->road->id) {
if (reverseWay) {
ctx->finalReverseEndSegment = segmentEnd;
ctx->finalReverseRoute = segment;
ctx->finalDirectEndSegment = next->segmentStart;
ctx->finalDirectRoute = opposite;
} else {
ctx->finalDirectEndSegment = segmentEnd;
ctx->finalDirectRoute = segment;
ctx->finalReverseEndSegment = next->segmentStart;
ctx->finalReverseRoute = opposite;
}
return true;
}
}
// road.id could be equal on roundabout, but we should accept them
bool alreadyVisited = visitedSegments.find(nts) != visitedSegments.end();
if (!alreadyVisited) {
double distanceToEnd = h(ctx, distToFinalPoint, next);
if (next->parentRoute.get() == NULL
|| roadPriorityComparator(next->distanceFromStart, next->distanceToEnd, distFromStart, distanceToEnd,
ctx->getHeuristicCoefficient()) > 0) {
if (next->parentRoute.get() != NULL) {
// already in queue remove it
// FIXME remove
// if (!graphSegments.remove(next))
{
// exist in different queue!
RouteSegment* cpy = new RouteSegment(next->road, next->segmentStart);
next = SHARED_PTR<RouteSegment>(cpy);
}
}
next->distanceFromStart = distFromStart;
next->distanceToEnd = distanceToEnd;
// put additional information to recover whole route after
next->parentRoute = segment;
next->parentSegmentEnd = segmentEnd;
graphSegments.push(next);
}
} else {
// the segment was already visited! We need to follow better route if it exists
// that is very strange situation and almost exception (it can happen when we underestimate distnceToEnd)
if (distFromStart < next->distanceFromStart && next->road->id != segment->road->id) {
next->distanceFromStart = distFromStart;
next->parentRoute = segment;
next->parentSegmentEnd = segmentEnd;
}
}
// iterate to next road
if (thereAreRestrictions) {
nextIterator++;
hasNext = nextIterator != ctx->segmentsToVisitPrescripted.end();
} else {
next = next->next;
hasNext = next.get() != NULL;
}
}
return false;
}

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@ -0,0 +1,6 @@
#ifndef _OSMAND_BINARY_ROUTE_PLANNER_H
#define _OSMAND_BINARY_ROUTE_PLANNER_H
#include "common.h"
#include "binaryRead.h"
#endif /*_OSMAND_BINARY_ROUTE_PLANNER_H*/

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@ -3,7 +3,6 @@
#include <SkPath.h>
#include <SkBitmap.h>
#include <SkImageDecoder.h>
#include "osmand_log.h"
#if defined(_WIN32)
@ -15,6 +14,7 @@
# include <time.h>
#endif
TextDrawInfo::TextDrawInfo(std::string itext)
: text(itext)
, drawOnPath(false)
@ -268,4 +268,12 @@ double getTileNumberY(float zoom, double latitude) {
return result;
}
double getDistance(double lat1, double lon1, double lat2, double lon2) {
double R = 6371; // km
double dLat = toRadians(lat2 - lat1);
double dLon = toRadians(lon2 - lon1);
double a = sin(dLat / 2) * sin(dLat / 2)
+ cos(toRadians(lat1)) * cos(toRadians(lat2)) * sin(dLon / 2) * sin(dLon / 2);
double c = 2 * atan2(sqrt(a), sqrt(1 - a));
return R * c * 1000;
}

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@ -50,6 +50,16 @@
#endif
#define UNORDERED(cls) UNORDERED_NAMESPACE::UNORDERED_##cls
#if defined(ANDROID)
# include "shared_ptr.h"
# define SHARED_PTR my_shared_ptr
#elif defined(WINDOWS)
#else
# include <tr1/memory>
# define SHARED_PTR std::tr1::shared_ptr
#endif
// Better don't do this
using namespace std;
@ -303,7 +313,7 @@ double get31LongitudeX(int tileX);
double get31LatitudeY(int tileY);
double getTileNumberX(float zoom, double longitude);
double getTileNumberY(float zoom, double latitude);
double getDistance(double lat1, double lon1, double lat2, double lon2);
double getPowZoom(float zoom);
#endif /*_OSMAND_COMMON_H*/

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@ -0,0 +1,49 @@
// Simple shared_ptr implementation based on http://stackoverflow.com/questions/1512520/decent-shared-ptr-implementation-that-does-not-require-a-massive-library
template <typename contained>
class my_shared_ptr {
public:
my_shared_ptr() : ptr_(NULL), ref_count_(NULL) { }
my_shared_ptr(contained * p)
: ptr_(p), ref_count_(p ? new int : NULL)
{ inc_ref(); }
my_shared_ptr(const my_shared_ptr& rhs)
: ptr_(rhs.ptr_), ref_count_(rhs.ref_count_)
{ inc_ref(); }
~my_shared_ptr() {
if(ref_count_ && 0 == dec_ref()) { delete ptr_; delete ref_count_; }
}
contained * get() { return ptr_; }
const contained * get() const { return ptr_; }
void swap(my_shared_ptr& rhs) // throw()
{
std::swap(ptr_, rhs.ptr_);
std::swap(ref_count_, rhs.ref_count_);
}
my_shared_ptr& operator=(const my_shared_ptr& rhs) {
my_shared_ptr tmp(rhs);
this->swap(tmp);
return *this;
}
contained * operator->() {
return this->ptr_;
}
// operator->, operator*, operator void*, use_count
private:
void inc_ref() {
if(ref_count_) { ++(*ref_count_); }
}
int dec_ref() {
return --(*ref_count_);
}
contained * ptr_;
int * ref_count_;
};