84 lines
3.6 KiB
C++
84 lines
3.6 KiB
C++
/*
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Copyright (c) 2015, Project OSRM, Dennis Luxen, others
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Redistributions of source code must retain the above copyright notice, this list
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of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright notice, this
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list of conditions and the following disclaimer in the documentation and/or
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other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef COORDINATE_CALCULATION
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#define COORDINATE_CALCULATION
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#include <osrm/coordinate.hpp>
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#include <iosfwd> //for std::ostream
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#include <string>
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#include <utility>
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struct coordinate_calculation
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{
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static double
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great_circle_distance(const int lat1, const int lon1, const int lat2, const int lon2);
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static double great_circle_distance(const FixedPointCoordinate &first_coordinate,
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const FixedPointCoordinate &second_coordinate);
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static float euclidean_distance(const FixedPointCoordinate &first_coordinate,
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const FixedPointCoordinate &second_coordinate);
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static float euclidean_distance(const int lat1, const int lon1, const int lat2, const int lon2);
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static void lat_or_lon_to_string(const int value, std::string &output);
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static float perpendicular_distance(const FixedPointCoordinate &segment_source,
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const FixedPointCoordinate &segment_target,
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const FixedPointCoordinate &query_location);
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static float perpendicular_distance(const FixedPointCoordinate &segment_source,
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const FixedPointCoordinate &segment_target,
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const FixedPointCoordinate &query_location,
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FixedPointCoordinate &nearest_location,
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float &ratio);
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static float perpendicular_distance_from_projected_coordinate(
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const FixedPointCoordinate &segment_source,
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const FixedPointCoordinate &segment_target,
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const FixedPointCoordinate &query_location,
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const std::pair<double, double> &projected_coordinate);
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static float perpendicular_distance_from_projected_coordinate(
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const FixedPointCoordinate &segment_source,
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const FixedPointCoordinate &segment_target,
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const FixedPointCoordinate &query_location,
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const std::pair<double, double> &projected_coordinate,
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FixedPointCoordinate &nearest_location,
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float &ratio);
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static float deg_to_rad(const float degree);
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static float rad_to_deg(const float radian);
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static float bearing(const FixedPointCoordinate &first_coordinate,
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const FixedPointCoordinate &second_coordinate);
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};
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#endif // COORDINATE_CALCULATION
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