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54 lines
2.7 KiB
C++
54 lines
2.7 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include <modules/globebrowsing/util/converter.h>
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// ghoul includes
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#include <ghoul/misc/assert.h>
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#define _USE_MATH_DEFINES
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#include <math.h>
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namespace openspace {
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namespace converter {
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glm::dvec3 latLonToCartesian(double latitude, double longitude, double radius) {
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return radius * glm::dvec3(
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glm::cos(latitude) * glm::cos(longitude),
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glm::cos(latitude) * glm::sin(longitude),
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glm::sin(latitude));
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}
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glm::dvec2 cartesianToLatLon(glm::dvec3 position) {
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double r = glm::length(position);
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double lat = glm::asin(position.z / r);
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double lon = atan2(position.y, position.x);
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return glm::vec2(lat, lon);
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}
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} // namespace converter
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} // namespace openspace
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