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authorPaul Jungeblut <paul.jungeblut@gmail.com>2016-10-10 21:39:35 +0200
committerPaul Jungeblut <paul.jungeblut@gmail.com>2016-10-10 21:39:35 +0200
commitc245ad9089aeb8c7fc7683b6a8a20d04a74818f4 (patch)
tree8602ce316a40dbf77d98fee78ea112cbc730c3d8 /math/gcDist.cpp
parentb208caff67c66cfa3e53da98c6d33c2c051c2b4e (diff)
Typesetting math section.
Diffstat (limited to 'math/gcDist.cpp')
-rw-r--r--math/gcDist.cpp23
1 files changed, 0 insertions, 23 deletions
diff --git a/math/gcDist.cpp b/math/gcDist.cpp
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--- a/math/gcDist.cpp
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-// Great Cirlce Distance mit Längen- und Breitengrad.
-double gcDist(double pLat, double pLon, double qLat, double qLon, double radius) {
- pLat *= PI / 180; pLon *= PI / 180; qLat *= PI / 180; qLon *= PI / 180;
- return radius * acos(cos(pLat) * cos(pLon) * cos(qLat) * cos(qLon) +
- cos(pLat) * sin(pLon) * cos(qLat) * sin(qLon) +
- sin(pLat) * sin(qLat));
-}
-
-// Great Cirlce Distance mit kartesischen Koordinaten.
-double gcDist(point p, point q) {
- return acos(p.x * q.x + p.y * q.y + p.z * q.z);
-}
-
-// 3D Punkt in kartesischen Koordinaten.
-struct point{
- double x, y, z;
- point() {}
- point(double x, double y, double z) : x(x), y(y), z(z) {}
- point(double lat, double lon) {
- lat *= PI / 180.0; lon *= PI / 180.0;
- x = cos(lat) * sin(lon); y = cos(lat) * cos(lon); z = sin(lat);
- }
-};