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34 lines
1.2 KiB
C++
34 lines
1.2 KiB
C++
#include <openspace/interaction/navigationhandler.h>
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#include <openspace/engine/globals.h>
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#include <openspace/util/camera.h>
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#include <cmath> // For atan2
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#include <glm/gtx/string_cast.hpp> // For printing glm data
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#define _USE_MATH_DEFINES
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#include <math.h>
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namespace openspace::skybrowser {
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const double SCREENSPACE_Z = -2.1;
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const double RAD_TO_DEG = 180.0 / M_PI;
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const double DEG_TO_RAD = M_PI / 180.0;
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// Conversion matrix from this paper: https://arxiv.org/abs/1010.3773v1
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const glm::dmat3 conversionMatrix = glm::dmat3({
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-0.054875539390, 0.494109453633, -0.867666135681, // col 0
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-0.873437104725, -0.444829594298, -0.198076389622, // col 1
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-0.483834991775, 0.746982248696, 0.455983794523 // col 2
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});
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// J2000 to galactic conversion and vice versa
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glm::dvec2 cartesianToSpherical(glm::dvec3 cartesianCoords);
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glm::dvec3 sphericalToCartesian(glm::dvec2 sphericalCoords);
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glm::dvec2 galacticCartesianToJ2000(glm::dvec3 rGal);
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glm::dvec3 J2000ToGalacticCartesian(double ra, double dec, double distance);
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glm::dvec2 J2000ToScreenSpace(double ra, double dec);
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glm::dvec2 galacticToScreenSpace(glm::dvec3 galacticCoord);
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}
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