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116 lines
6.3 KiB
C++
116 lines
6.3 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2023 *
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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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#ifndef __OPENSPACE_MODULE_EXOPLANETS___EXOPLANETSHELPER___H__
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#define __OPENSPACE_MODULE_EXOPLANETS___EXOPLANETSHELPER___H__
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#include <ghoul/glm.h>
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#include <optional>
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#include <string>
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#include <vector>
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namespace openspace::exoplanets {
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struct ExoplanetDataEntry {
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float a; // Orbital semi-major axis in AU
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double aUpper; // Upper uncertainty of orbital semi-major axis
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double aLower; // Lower uncertainty of orbital semi-major axis
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float bigOmega; // Longitude of ascending node in degrees
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float bigOmegaUpper; // Upper uncertainty of longitude of ascending node
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float bigOmegaLower; // Lower uncertainty of longitude of ascending node
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bool binary; // Star known to be binary?
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float bmv; // Star B − V color
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float ecc; // Orbital eccentricity
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float eccUpper; // Upper uncertainty of orbital eccentricity
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float eccLower; // Lower uncertainty of orbital eccentricity
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float i; // Orbital inclination in degrees (for transiting systems only)
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float iUpper; // Upper uncertainty of orbital inclination
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float iLower; // Lower uncertainty of orbital inclination
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int nPlanets; // Number of known planets in the planetary system
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int nStars; // Number of stars in the planetary system
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float omega; // Argument of periastron in degrees
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float omegaUpper; // Upper uncertainty of argument of periastron
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float omegaLower; // Lower uncertainty of argument of periastron
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double per; // Orbital period in days
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float perUpper; // Upper uncertainty of period
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float perLower; // Lower uncertainty of period
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double r; // Radius of the planet in Jupiter radii
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double rUpper; // Upper uncertainty of radius of the planet
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double rLower; // Lower uncertainty of radius of the planet
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float rStar; // Estimated radius of the star in solar radii
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float rStarUpper; // Upper uncertainty of estimated star radius
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float rStarLower; // Lower uncertainty of estimated star radius
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float luminosity; // Star luminosity, in units of solar luminosities
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float luminosityUpper; // Upper uncertainty of star luminosity
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float luminosityLower; // Lower uncertainty of star luminosity
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float teff; // Star's effective temperature in Kelvin
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float teffUpper; // Upper uncertainty of effective temperature
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float teffLower; // Lower uncertainty of effective temperature
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double tt; // Epoch of transit center in HJD-2440000
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float ttUpper; // Upper uncertainty of epoch of transit center
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float ttLower; // Lower uncertainty of epoch of transit center
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// Star position's X-coordinate in parsec
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float positionX = std::numeric_limits<float>::quiet_NaN();
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// Star position's Y-coordinate in parsec
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float positionY = std::numeric_limits<float>::quiet_NaN();
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// Star position's Z-coordinate in parsec
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float positionZ = std::numeric_limits<float>::quiet_NaN();
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};
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struct StarData {
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glm::vec3 position = glm::vec3(std::numeric_limits<float>::quiet_NaN()); // In parsec
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float radius = std::numeric_limits<float>::quiet_NaN(); // In solar radii
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float bv = std::numeric_limits<float>::quiet_NaN();
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float teff = std::numeric_limits<float>::quiet_NaN(); // In Kelvin
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float luminosity = std::numeric_limits<float>::quiet_NaN(); // In solar luminosities
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};
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struct ExoplanetSystem {
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std::string starName;
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StarData starData;
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std::vector<std::string> planetNames;
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std::vector<ExoplanetDataEntry> planetsData;
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};
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bool isValidPosition(const glm::vec3& pos);
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// Check if the exoplanet p has sufficient data for visualization
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bool hasSufficientData(const ExoplanetDataEntry& p);
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// Compute star color in RGB from b-v color index
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glm::vec3 computeStarColor(float bv);
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glm::dmat4 computeOrbitPlaneRotationMatrix(float i, float bigom = 180.f,
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float omega = 90.f);
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// Rotate the original coordinate system (where x is pointing to First Point of Aries)
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// so that x is pointing from star to the sun.
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glm::dmat3 computeSystemRotation(glm::dvec3 starPosition);
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void sanitizeNameString(std::string& s);
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} // namespace openspace::exoplanets
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#endif // __OPENSPACE_MODULE_EXOPLANETS___EXOPLANETSHELPER___H__
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