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BREAKING CHANGE. grid now using mercator projection.

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This commit is contained in:
Dennis Luxen 2011-03-25 12:49:45 +00:00
parent a60c5f651a
commit 03a53c4fdb
1 changed files with 13 additions and 9 deletions
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22
DataStructures/NNGrid.h
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@ -45,7 +45,7 @@ static unsigned GetFileIndexForLatLon(const int lt, const int ln) {
double lon = ln/100000.;
double x = ( lon + 180.0 ) / 360.0;
double y = ( lat + 90.0 ) / 180.0;
double y = ( lat + 180.0 ) / 360.0;
assert( x<=1.0 && x >= 0);
assert( y<=1.0 && y >= 0);
@ -125,13 +125,13 @@ static void GetListOfIndexesForEdgeAndGridSize(_Coordinate& start, _Coordinate&
double lon1 = start.lon/100000.;
double x1 = ( lon1 + 180.0 ) / 360.0;
double y1 = ( lat1 + 90.0 ) / 180.0;
double y1 = ( lat1 + 180.0 ) / 360.0;
double lat2 = target.lat/100000.;
double lon2 = target.lon/100000.;
double x2 = ( lon2 + 180.0 ) / 360.0;
double y2 = ( lat2 + 90.0 ) / 180.0;
double y2 = ( lat2 + 180.0 ) / 360.0;
GetIndicesByBresenhamsAlgorithm(x1*32768, y1*32768, x2*32768, y2*32768, indexList);
}
@ -198,9 +198,9 @@ public:
continue;
EdgeT edge = edgeList[i];
int slat = int2ExtNodeMap->at(edge.source()).lat;
int slat = 100000*lat2y(static_cast<double>(int2ExtNodeMap->at(edge.source()).lat)/100000.);
int slon = int2ExtNodeMap->at(edge.source()).lon;
int tlat = int2ExtNodeMap->at(edge.target()).lat;
int tlat = 100000*lat2y(static_cast<double>(int2ExtNodeMap->at(edge.target()).lat)/100000.);
int tlon = int2ExtNodeMap->at(edge.target()).lon;
AddEdge( _GridEdge(
edgeList[i].source(),
@ -263,7 +263,10 @@ public:
ramFile.close();
}
bool FindRoutingStarts(const _Coordinate& startCoord, const _Coordinate& targetCoord, PhantomNodes * routingStarts) {
bool FindRoutingStarts(const _Coordinate& start, const _Coordinate& target, PhantomNodes * routingStarts) {
_Coordinate startCoord(100000*(lat2y(static_cast<double>(start.lat)/100000.)), start.lon);
_Coordinate targetCoord(100000*(lat2y(static_cast<double>(target.lat)/100000.)), target.lon);
/** search for point on edge close to source */
unsigned fileIndex = GetFileIndexForLatLon(startCoord.lat, startCoord.lon);
@ -289,7 +292,7 @@ public:
routingStarts->startNode2 = it->target;
routingStarts->startRatio = r;
dist = tmpDist;
routingStarts->startCoord.lat = tmp.lat;
routingStarts->startCoord.lat = round(100000*(y2lat(static_cast<double>(tmp.lat)/100000.)));
routingStarts->startCoord.lon = tmp.lon;
}
}
@ -317,7 +320,7 @@ public:
routingStarts->targetNode2 = it->target;
routingStarts->targetRatio = r;
dist = tmpDist;
routingStarts->targetCoord.lat = tmp.lat;
routingStarts->targetCoord.lat = round(100000*(y2lat(static_cast<double>(tmp.lat)/100000.)));
routingStarts->targetCoord.lon = tmp.lon;
}
}
@ -325,7 +328,7 @@ public:
}
_Coordinate FindNearestPointOnEdge(const _Coordinate& inputCoordinate) {
unsigned fileIndex = GetFileIndexForLatLon(inputCoordinate.lat, inputCoordinate.lon);
unsigned fileIndex = GetFileIndexForLatLon(100000*(lat2y(static_cast<double>(inputCoordinate.lat)/100000.)), inputCoordinate.lon);
std::vector<_Edge> candidates;
double timestamp = get_timestamp();
for(int j = -32768; j < (32768+1); j+=32768) {
@ -344,6 +347,7 @@ public:
nearest = tmp;
}
}
nearest.lat = 100000*(y2lat(static_cast<double>(nearest.lat)/100000.));
return nearest;
}