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greg |
2.3 |
/* RCSid $Id: atmos.h,v 2.2 2024/07/19 23:38:28 greg Exp $ */ |
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greg |
2.1 |
#ifndef ATMOS_H |
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#define ATMOS_H |
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#include "color.h" |
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#include "data.h" |
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#include "fvect.h" |
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#include "paths.h" |
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#include "rtio.h" |
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#include "rtmath.h" |
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#include "sun.h" |
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greg |
2.3 |
#ifdef __cplusplus |
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extern "C" { |
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#endif |
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greg |
2.1 |
#define NSSAMP 20 |
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typedef struct { |
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double width; |
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double exp_term; |
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double exp_scale; |
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double linear_term; |
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double constant_term; |
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} DensityProfileLayer; |
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typedef struct { |
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DensityProfileLayer layers[2]; |
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} DensityProfile; |
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typedef struct { |
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DensityProfile rayleigh_density; |
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DensityProfile ozone_density; |
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const float *beta_r0; |
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float beta_scale; |
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DATARRAY *beta_m; |
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const double grefl; |
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} Atmosphere; |
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typedef struct { |
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char tau[PATH_MAX]; |
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char scat[PATH_MAX]; |
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char scat1m[PATH_MAX]; |
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char irrad[PATH_MAX]; |
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} DpPaths; |
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extern const double ER; |
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extern const double AH; |
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extern const double HR_MS; |
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extern const double HR_MW; |
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extern const double HR_SS; |
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extern const double HR_SW; |
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extern const double HR_T; |
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extern const int WVLSPAN; |
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extern const float EXTSOL[NSSAMP]; |
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extern const float BR0_MS[NSSAMP]; |
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extern const float BR0_MW[NSSAMP]; |
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extern const float BR0_SS[NSSAMP]; |
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extern const float BR0_SW[NSSAMP]; |
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extern const float BR0_T[NSSAMP]; |
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extern const float BCLOUD; |
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extern const double AOD0_CA; |
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extern const double SOLOMG; |
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extern void get_rmumusnu(FVECT vpt, FVECT vdir, FVECT sundir, double *r, |
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double *mu, double *mu_s, double *nu); |
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extern void get_transmittance_to_sun(DATARRAY *tau_dp, const double r, |
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const double mu_s, double *result); |
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extern void get_sky_transmittance(DATARRAY *tau, double r, double mu, float *result); |
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extern void get_sky_radiance(DATARRAY *scat, DATARRAY *scat1m, const double radius, |
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const double mu, const double mu_s, const double nu, float *result); |
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extern void get_solar_radiance(DATARRAY *tau, DATARRAY *scat, DATARRAY *scat1m, const FVECT sundir, const double radius, const double sun_ct, double *sun_radiance); |
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extern void get_ground_radiance(DATARRAY *tau, DATARRAY *scat, DATARRAY *scat1m, DATARRAY *irrad, |
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const FVECT view_point, const FVECT view_direction, const double radius, const double mu, const double sun_ct, const double nu, |
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const double grefl, const FVECT sundir, float *result); |
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extern void add_cloud_radiance(DATARRAY *scat, double nu, double pt[4], |
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float *result); |
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extern int compute_sundir(const int year, const int month, const int day, |
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const double hour, const int tsolar, |
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double sundir[3]); |
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extern int precompute(const int sorder, const DpPaths dppaths, const Atmosphere *atmos, |
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int num_threads); |
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greg |
2.3 |
extern DATARRAY *get_indirect_irradiance(DATARRAY *dp, const double radius, |
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const double mu_s); |
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#ifdef __cplusplus |
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} |
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#endif |
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greg |
2.2 |
#endif /* ATMOS_H */ |
