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adding tests for guidance

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This commit is contained in:
Moritz Kobitzsch
2016-03-23 13:04:23 +01:00
parent 56ba2cb251
commit fa0a5040e5
39 changed files with 2287 additions and 812 deletions
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src/util/coordinate_calculation.cpp
+10 -5
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@@ -122,8 +122,9 @@ double perpendicularDistance(const Coordinate segment_source,
BOOST_ASSERT(query_location.IsValid());
FloatCoordinate projected_nearest;
std::tie(ratio, projected_nearest) =
projectPointOnSegment(mercator::fromWGS84(segment_source), mercator::fromWGS84(segment_target), mercator::fromWGS84(query_location));
std::tie(ratio, projected_nearest) = projectPointOnSegment(mercator::fromWGS84(segment_source),
mercator::fromWGS84(segment_target),
mercator::fromWGS84(query_location));
nearest_location = mercator::toWGS84(projected_nearest);
const double approximate_distance = greatCircleDistance(query_location, nearest_location);
@@ -215,7 +216,9 @@ circleCenter(const Coordinate C1, const Coordinate C2, const Coordinate C3)
// free after http://paulbourke.net/geometry/circlesphere/
// require three distinct points
if (C1 == C2 || C2 == C3 || C1 == C3)
{
return boost::none;
}
// define line through c1, c2 and c2,c3
const double C2C1_lat = static_cast<double>(toFloating(C2.lat - C1.lat)); // yDelta_a
@@ -255,7 +258,7 @@ circleCenter(const Coordinate C1, const Coordinate C2, const Coordinate C3)
const double C2C1_slope = C2C1_lat / C2C1_lon;
const double C3C2_slope = C3C2_lat / C3C2_lon;
//can this ever happen?
// can this ever happen?
if (std::abs(C2C1_slope - C3C2_slope) < std::numeric_limits<double>::epsilon())
return boost::none;
@@ -356,12 +359,14 @@ double degreeToPixel(FloatLatitude lat, unsigned zoom)
FloatCoordinate fromWGS84(const FloatCoordinate &wgs84_coordinate)
{
return {wgs84_coordinate.lon, FloatLatitude{coordinate_calculation::mercator::latToY(wgs84_coordinate.lat)}};
return {wgs84_coordinate.lon,
FloatLatitude{coordinate_calculation::mercator::latToY(wgs84_coordinate.lat)}};
}
FloatCoordinate toWGS84(const FloatCoordinate &mercator_coordinate)
{
return {mercator_coordinate.lon, coordinate_calculation::mercator::yToLat(static_cast<double>(mercator_coordinate.lat))};
return {mercator_coordinate.lon,
coordinate_calculation::mercator::yToLat(static_cast<double>(mercator_coordinate.lat))};
}
// Converts a WMS tile coordinate (z,x,y) into a wgs bounding box