sky_model.h File Reference

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Classes
struct	SKY_ArHosekSkyModelState

Typedefs
typedef double	SKY_ArHosekSkyModelConfiguration[9]
typedef struct SKY_ArHosekSkyModelState	SKY_ArHosekSkyModelState

Functions
SKY_ArHosekSkyModelState *	SKY_arhosekskymodelstate_alloc_init (const double solar_elevation, const double atmospheric_turbidity, const double ground_albedo)
SKY_ArHosekSkyModelState *	SKY_arhosekskymodelstate_alienworld_alloc_init (const double solar_elevation, const double solar_intensity, const double solar_surface_temperature_kelvin, const double atmospheric_turbidity, const double ground_albedo)
void	SKY_arhosekskymodelstate_free (SKY_ArHosekSkyModelState *state)
double	SKY_arhosekskymodel_radiance (SKY_ArHosekSkyModelState *state, double theta, double gamma, double wavelength)
SKY_ArHosekSkyModelState *	SKY_arhosek_xyz_skymodelstate_alloc_init (const double turbidity, const double albedo, const double elevation)
SKY_ArHosekSkyModelState *	SKY_arhosek_rgb_skymodelstate_alloc_init (const double turbidity, const double albedo, const double elevation)
double	SKY_arhosek_tristim_skymodel_radiance (SKY_ArHosekSkyModelState *state, double theta, double gamma, int channel)
double	SKY_arhosekskymodel_solar_radiance (SKY_ArHosekSkyModelState *state, double theta, double gamma, double wavelength)
void	SKY_nishita_skymodel_precompute_texture (float *pixels, int stride, int start_y, int end_y, int width, int height, float sun_elevation, float altitude, float air_density, float dust_density, float ozone_density)
void	SKY_nishita_skymodel_precompute_sun (float sun_elevation, float angular_diameter, float altitude, float air_density, float dust_density, float *r_pixel_bottom, float *r_pixel_top)

Typedef Documentation

SKY_ArHosekSkyModelConfiguration

typedef double SKY_ArHosekSkyModelConfiguration[9]

Definition at line 285 of file sky_model.h.

SKY_ArHosekSkyModelState

typedef struct SKY_ArHosekSkyModelState SKY_ArHosekSkyModelState

Function Documentation

SKY_arhosek_rgb_skymodelstate_alloc_init()

SKY_ArHosekSkyModelState* SKY_arhosek_rgb_skymodelstate_alloc_init	(	const double	turbidity,
		const double	albedo,
		const double	elevation
	)

SKY_arhosek_tristim_skymodel_radiance()

double SKY_arhosek_tristim_skymodel_radiance	(	SKY_ArHosekSkyModelState *	state,
		double	theta,
		double	gamma,
		int	channel
	)

SKY_arhosek_xyz_skymodelstate_alloc_init()

SKY_ArHosekSkyModelState* SKY_arhosek_xyz_skymodelstate_alloc_init	(	const double	turbidity,
		const double	albedo,
		const double	elevation
	)

Definition at line 305 of file sky_model.cpp.

References ALLOC, ArHosekSkyModel_CookConfiguration(), ArHosekSkyModel_CookRadianceConfiguration(), datasetsXYZ, datasetsXYZRad, state, and TERRESTRIAL_SOLAR_RADIUS.

Referenced by blender::nodes::node_shader_tex_sky_cc::node_shader_gpu_tex_sky(), and sky_texture_precompute_hosek().

SKY_arhosekskymodel_radiance()

double SKY_arhosekskymodel_radiance	(	SKY_ArHosekSkyModelState *	state,
		double	theta,
		double	gamma,
		double	wavelength
	)

Definition at line 272 of file sky_model.cpp.

References ArHosekSkyModel_GetRadianceInternal(), e, interp(), result, and state.

SKY_arhosekskymodel_solar_radiance()

double SKY_arhosekskymodel_solar_radiance	(	SKY_ArHosekSkyModelState *	state,
		double	theta,
		double	gamma,
		double	wavelength
	)

SKY_arhosekskymodelstate_alienworld_alloc_init()

SKY_ArHosekSkyModelState* SKY_arhosekskymodelstate_alienworld_alloc_init	(	const double	solar_elevation,
		const double	solar_intensity,
		const double	solar_surface_temperature_kelvin,
		const double	atmospheric_turbidity,
		const double	ground_albedo
	)

SKY_arhosekskymodelstate_alloc_init()

SKY_ArHosekSkyModelState* SKY_arhosekskymodelstate_alloc_init	(	const double	solar_elevation,
		const double	atmospheric_turbidity,
		const double	ground_albedo
	)

SKY_arhosekskymodelstate_free()

void SKY_arhosekskymodelstate_free

(

SKY_ArHosekSkyModelState *

state

)

Definition at line 267 of file sky_model.cpp.

References free(), and state.

Referenced by blender::nodes::node_shader_tex_sky_cc::node_shader_gpu_tex_sky(), and sky_texture_precompute_hosek().

SKY_nishita_skymodel_precompute_sun()

void SKY_nishita_skymodel_precompute_sun	(	float	sun_elevation,
		float	angular_diameter,
		float	altitude,
		float	air_density,
		float	dust_density,
		float *	r_pixel_bottom,
		float *	r_pixel_top
	)

Definition at line 363 of file sky_nishita.cpp.

References bottom, cosf, geographical_to_direction(), M_2PI_F, num_wavelengths, spec_to_xyz(), sun_radiation(), top, float3::x, float3::y, and float3::z.

Referenced by sky_texture_precompute_nishita().

SKY_nishita_skymodel_precompute_texture()

void SKY_nishita_skymodel_precompute_texture	(	float *	pixels,
		int	stride,
		int	start_y,
		int	end_y,
		int	width,
		int	height,
		float	sun_elevation,
		float	altitude,
		float	air_density,
		float	dust_density,
		float	ozone_density
	)

Definition at line 295 of file sky_nishita.cpp.

References earth_radius, geographical_to_direction(), height, M_2PI_F, M_PI_2_F, M_PI_F, make_float3, num_wavelengths, single_scattering(), spec_to_xyz(), sqr(), stride, width, float3::x, x, float3::y, y, and float3::z.

Referenced by SkyLoader::load_pixels().