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Use center latitude for getLonLatToMeters calls

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Phyks (Lucas Verney) 2018-12-07 14:24:51 +01:00
parent 34f5258f5e
commit e0259e4cde
1 changed files with 1 additions and 1 deletions
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brouter-core/src/main/java/btools/router/OsmPath.java
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@ -346,7 +346,7 @@ abstract class OsmPath implements OsmLinkHolder
if ( rc.startDirectionValid ) if ( rc.startDirectionValid )
{ {
double dir = rc.startDirection.intValue() / CheapRulerSingleton.DEG_TO_RAD; double dir = rc.startDirection.intValue() / CheapRulerSingleton.DEG_TO_RAD;
double[] lonlat2m = CheapRulerSingleton.getLonLatToMeterScales( lat1 ); double[] lonlat2m = CheapRulerSingleton.getLonLatToMeterScales( (lon0 + lat1) >> 1 );
lon0 = lon1 - (int) ( 1000. * Math.sin( dir ) / lonlat2m[0] ); lon0 = lon1 - (int) ( 1000. * Math.sin( dir ) / lonlat2m[0] );
lat0 = lat1 - (int) ( 1000. * Math.cos( dir ) / lonlat2m[1] ); lat0 = lat1 - (int) ( 1000. * Math.cos( dir ) / lonlat2m[1] );
} }