53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
/*
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----
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This file is part of SECONDO.
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Copyright (C) 2016, University in Hagen,
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Faculty of Mathematics and Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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*/
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class Geoid;
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namespace geodist{
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/*
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Computes the distance between two points on a geoid.
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*/
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double HaversineInM(const double lat1, const double long1,
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const double lat2, const double long2,
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const Geoid* geoid);
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/*
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Computes the distance between an segment and a point
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on a geoid.
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*/
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double getDist( const double sx1, const double sy1,
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const double sx2, const double sy2,
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const double x, const double y,
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const Geoid* geoid);
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/*
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Computes the length of a degree in LON or LAT direction.
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*/
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double getMetersPerDegree(const double lat, const bool getY);
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}
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