atm1d.h File Reference

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Classes
struct	LAYER_PROP
struct	CIE_STANDARD_ATM_PARMS
struct	BNN_ATM_PARAMS

Enumerations
enum	ATM_COEFFICIENT {   EXTINCTION_COEFF = 0, PRAD_COEFF, SCATTERING_0_COEFF, SCATTERING_1_COEFF,   SCATTERING_2_COEFF, SCATTERING_3_COEFF, SCATTERING_4_COEFF, SCATTERING_5_COEFF,   SCATTERING_6_COEFF, SCATTERING_7_COEFF, NUM_COEFF }
enum	CIE_ATM_TYPE {   I1 = 0, I2, II1, II2,   III1, III2, III3, III4,   IV2, IV3, IV4, V4,   V5, VI5, VI6 }

Functions
int	SubtractATMGrids (ATMCOEF *atmin1, ATMINFO infin1, ATMCOEF *atmin2, ATMINFO infin2, ATMCOEF **atmout, ATMINFO *infout)
int	SetConstantATMGrid (ATMCOEF *atm, ATMINFO inf, double extcoef, double scatcoef, double realindex, double degK)
SIGSIM_API int	WriteAtmGrid (char *outputfilename, ATMCOEF *atm, ATMINFO inf)
SIGSIM_API int	WriteAtmGridMetin (char *outputfilename, METIN *metin)
SIGSIM_API int	GetAtmGridFileInfo (char *inputfilename, ATMINFO *inf)
SIGSIM_API int	ReadKnownAtmGrid (char *inputfilename, ATMCOEF *atm, ATMINFO inf)
SIGSIM_API int	ReadAtmGrid (char *inputfilename, ATMCOEF **atm, ATMINFO *inf)
SIGSIM_API int	AllocateAtmosphericLayers (ATMCOEF **atm, ATMINFO inf)
SIGSIM_API int	ShiftLayerStructure (ATMINFO *inf, double altlo_old, double althi_old, double altlo_new, double althi_new)
SIGSIM_API int	MergeATMGrids (ATMCOEF *atmin1, ATMINFO infin1, ATMCOEF *atmin2, ATMINFO infin2, ATMCOEF **atmout, ATMINFO *infout, double weight2)
SIGSIM_API int	FreeAtmosphericLayers (ATMCOEF **atm)
SIGSIM_API int	FreeATMINFO (ATMINFO *inf)
SIGSIM_API int	SetupAtmosphericProfile1D (jrmbool atmreset, char *sigsim_data_dir, char *sigsim_cache_dir, char *atm_file, char *modcard_file, long nlayers, METIN *metin)
void	SetPathGeometry (MODPATH mp, EPHEMERIS fm, int source, MODCARD *mc)
SIGSIM_API int	FillAtmosphericGrid (char *sigsim_atm_dir, METIN *metin)
SIGSIM_API int	SetupModcard (MODCARD *mc, jrmbool multscat, EPHEMERIS fm, ATM_DEFAULT atm_default, char *sigsim_data_dir)
SIGSIM_API int	SetBand (BAND band, MODCARD *mc)
SIGSIM_API int	RunStandAloneModtranPath (MODCARD mc, SEUPATH seu, EPHEMERIS fm, jrmbool sunsource, long *nlamb, float **lamb, float **xmit, float **prad, float **scat, float **dirc, char *moddir)
SIGSIM_API int	RunModtranPath (MODCARD mc, SEUPATH seu, EPHEMERIS fm, jrmbool sunsource, long nlamb, float *lamb, float *xmit, float *prad, float *scat, float *dirc)
SIGSIM_API int	RunModtranPathBands (BAND *band, int nbands, MODCARD mc, SEUPATH seu, EPHEMERIS fm, jrmbool sunsource, double *xmit, double *prad, double *scat, double *dirc)
SIGSIM_API int	PrintModtran1DPathAtmospherics (jrmbool sunsource, jrmbool multscat, jrmbool includegnd, MODPATH mp, EPHEMERIS fm, ATM_DEFAULT atm_default, BAND band, char *sigsim_data_dir, char *tag)
BAND	CalcModBand (METIN *metin)
SIGSIM_API int	ProcessPlumeVolume (char *sigsim_atm_dir, METIN *metin, ATM_VOL_PROPS *atm, double dalt_km)
SIGSIM_API int	UpdateATMVolumeSinglePassbandOGL (ATM_VOL_PROPS *atm, MATL_OGL_TABLE *mogl_table, SENSOR *sens, METIN *metin, double dist, int shell_id)
int	FastDiffuseSkyIrrad (METIN *metin, double alt, long ax_index, long bx_index)
int	FastDiffuseScatIrrad (METIN *metin, double alt, long ax_index, long bx_index)
int	FasterDiffuseIrrad (ATMCOEF *atm, ATMINFO inf, double *solarTOA, double *lunarTOA, METIN *metin, double alt, VECTOR sun, VECTOR moon)
int	FastDiffuseSSIrrad (ATMCOEF *atm, ATMINFO inf, double *solarTOA, double *lunarTOA, METIN *metin, double alt, VECTOR sun, VECTOR moon)
void	computeLayerFluxAnalytic (METIN *metin, int nIntervals, jrmbool IncludeDirect, double grndAlbedo, double mu0, double *laythick, double *upMSFlux, double *downMSFlux, double *upSSFlux, double *downSSFlux)
SIGSIM_API int	PrepareMetin (EPHEMERIS fm, ATM_DEFAULT atm_default, jrmbool multscat, BAND *band, int nbands, double alt_m, char *sigsim_data_dir, char *sigsim_cache_dir, METIN *metin, jrmbool atm_reset)
SIGSIM_API int	RunSigSimPath (BAND band, METIN *metin, SEUPATH seu, jrmbool multscat, jrmbool sunsource, jrmbool includegnd, double **xmit, double **prad, double **scat, double **dirc)
SIGSIM_API int	RunSigSimPathBands (BAND *band, int nbands, METIN *metin, SEUPATH seu, jrmbool multscat, jrmbool sunsource, jrmbool includegnd, double *xmit, double *prad, double *scat, double *dirc)
SIGSIM_API int	PrintSigSim1DPathAtmospherics (jrmbool sunsource, jrmbool multscat, jrmbool includegnd, MODPATH mp, EPHEMERIS fm, ATM_DEFAULT atm_default, BAND band, char *sigsim_data_dir, char *sigsim_cache_dir, char *tag)
int	ValidatePathEndpoints (ATMINFO inf, jrmbool hitflag, VECTOR sensor, VECTOR matsys_unvalidated, VECTOR *tosensor_km, VECTOR *frommatsys_km, VECTOR *look)
int	GetPathIntervals (VECTOR s, VECTOR m, jrmbool hitflag, jrmbool SSflag, ATMINFO inf, long *ns, long **atm_index_s, double **length_s, long *nm, long **atm_index_m, double **length_m)
int	GetPathIntervals2 (VECTOR s, VECTOR m, jrmbool hitflag, jrmbool SSflag, ATMINFO inf, int minimum_n, long *n, long **atm_index, double **length)
int	GetPathIntervals3 (VECTOR s, VECTOR m, ATMINFO inf, double *delta, int *n, long **atm_index, double **length)
int	GetPathIntervals4 (VECTOR s, VECTOR m, ATMINFO inf, double *delta, int *n, int **lay_index, double **length, jrmbool subdivide)
int	GetPathIntervals5 (VECTOR s, VECTOR m, ATMINFO inf, double *delta, int *n, int **lay_index, double **length, double **avecostheta, jrmbool subdivide)
SIGSIM_API int	GetPathIntervals6 (VECTOR s, VECTOR m, ATMINFO inf, double *delta, int *n, int **lay_index, double **length, double **avecostheta, jrmbool subdivide)
SIGSIM_API double	getLayerFraction (double altitude, ATMINFO inf, int *pInterpolatedLayer)
SIGSIM_API void	GetLOSPathIntervals (GEOCENTRIC_LOCATION startC, GEOCENTRIC_LOCATION endC, int SSflag, METIN *metin, long *ns, long **atm_index_s, double **length_s, long *nm, long **atm_index_m, double **length_m, VECTOR *toobj, VECTOR *xhat, jrmbool hitflag)
SIGSIM_API double	GetLOSAtmosphericsKE (GEOCENTRIC_LOCATION startC, EULERzyx *startFRD, GEOCENTRIC_LOCATION endC, EULERzyx *endFRD, METIN *metin, SOURCE_TYPE source_type, SPECTRAL_DOMAIN spectrum, double **trans, double **pathrad, double **scatrad)
SIGSIM_API double	GetLOSAtmosphericsKE_new (jrmbool SSflag, GEOCENTRIC_LOCATION startC, EULERzyx *startFRD, GEOCENTRIC_LOCATION endC, EULERzyx *endFRD, METIN *metin, SOURCE_TYPE source_type, SENSOR sens, double **trans, double **pathrad, double **scatrad)
SIGSIM_API double	GetLOSAtmosphericsKE_gpulut (int SSflag, GEOCENTRIC_LOCATION startC, EULERzyx *startFRD, GEOCENTRIC_LOCATION endC, EULERzyx *endFRD, METIN *metin, SOURCE_TYPE source_type, SENSOR sens, double *trans, double *pathrad, double *scatrad, int nScatAngles, double *scatAngles)
SIGSIM_API int	GetMaximumPathLengthArray (ATMINFO inf, ATMCOEF *atm, long ax_index, long bx_index, int laymin, int laymax, double anglefactor, double **delta)
int	AccumulateSpectralAtmosphericsForPath (jrmbool reset, jrmbool PRflag, jrmbool SSflag, ATMCOEF *atm, ATMINFO inf, VECTOR *pathposition_m, VECTOR look, long nintervals, long *atm_index, double *length, int nsources, VECTOR *tosource, double *TOAirrad, double *Xmit, double *Prad, double *Scat)
int	XmitPradScatCE1S2 (jrmbool PRflag, jrmbool SSflag, jrmbool hitflag, ATMCOEF *atm, ATMINFO inf, VECTOR sensor, VECTOR matsys_unvalidated, double *TOAirrad, VECTOR tosource, double *Xmit, double *Prad, double *Scat)
int	CalcXmitAndPathRadCE (ATMCOEF *atm, ATMINFO inf, VECTOR sensor, VECTOR matsys, double *Xmit, double *Pathrad, jrmbool hitflag)
SIGSIM_API int	BandXmitAndPathRadCE (ATMCOEF *atm, ATMINFO inf, double ax, double bx, METIN *metin, VECTOR sensor, VECTOR matsys, double *Xmit, double *Pathrad, jrmbool hitflag)
int	XmittanceCE (ATMCOEF *atm, ATMINFO inf, double *Xmit, VECTOR sensor, VECTOR matsys_unvalidated, jrmbool hitflag)
int	PathRadCE (ATMCOEF *atm, ATMINFO inf, double *Prad, VECTOR sensor, VECTOR matsys_unvalidated, jrmbool hitflag)
int	PathRadScatCE (ATMCOEF *atm, ATMINFO inf, double *solarTOA, double *lunarTOA, double *Prad, double *SolScat, double *LunScat, VECTOR sensor, VECTOR matsys_unvalidated, VECTOR sun, VECTOR moon, jrmbool hitflag)
int	XmitPradScatCE1S (jrmbool PRflag, jrmbool SSflag, jrmbool hitflag, ATMCOEF *atm, ATMINFO inf, VECTOR sensor, VECTOR matsys_unvalidated, double *TOAirrad, VECTOR tosource, double *Xmit, double *Prad, double *Scat)
SIGSIM_API int	XmitPradScatCE1S_new (jrmbool PRflag, int SSflag, jrmbool hitflag, ATMCOEF *atm, ATMINFO inf, VECTOR sensor, VECTOR matsys_unvalidated, double *TOAirrad, VECTOR tosource, int start_lambda, int end_lambda, double *Xmit, double *Prad, double *Scat, int nScatAngles, double *scatAngles)
SIGSIM_API int	XmitPradScatCE (jrmbool PRflag, jrmbool SSflag, jrmbool hitflag, ATMCOEF *atm, ATMINFO inf, VECTOR sensor, VECTOR matsys_unvalidated, double *Xmit, double *Prad, double *solarTOA, double *lunarTOA, VECTOR sun, VECTOR moon, double *SunScat, double *LunScat)
int	XmitPradScatCE_EvenSpace (jrmbool PRflag, jrmbool SSflag, jrmbool hitflag, ATMCOEF *atm, ATMINFO inf, VECTOR sensor, VECTOR matsys_unvalidated, double *Xmit, double *Prad, double *solarTOA, double *lunarTOA, VECTOR sun, VECTOR moon, double *SunScat, double *LunScat)
SIGSIM_API int	XmitPradScatCE_MS (jrmbool PRflag, jrmbool SSflag, jrmbool MSflag, jrmbool hitflag, jrmbool includeSun, jrmbool includeMoon, VECTOR sensor, VECTOR matsys_unvalidated, METIN *metin)
SIGSIM_API int	XmitPradScatCEMS (jrmbool PRflag, jrmbool SSflag, jrmbool hitflag, ATMCOEF *atm, ATMINFO inf, VECTOR sensor, VECTOR matsys_unvalidated, int nsources, double *TOAirrad, VECTOR *tosource, double *Xmit, double *Prad, double *Scat)
SIGSIM_API int	BandXmitPradScatCERanged (ATMCOEF *atm, ATMINFO inf, double ax, double bx, METIN *metin, VECTOR sensor, VECTOR matsys, int nranges, double *range, double *Xmit, double *Prad, double *Scat, jrmbool PRflag, jrmbool SSflag, jrmbool hitflag)
SIGSIM_API double	UpdateAtmosphericsSinglePassbandRanged1D (double *max_range, METIN *metin, SENSOR *sens, int nranges, double *range, double *Xmit_axbx, double *Prad_axbx, double *Scat_axbx, jrmbool hitflag, jrmbool PRflag, jrmbool SSflag)
SIGSIM_API int	XmitPradScatCE_MS_AB (jrmbool PRflag, jrmbool SSflag, jrmbool MSflag, jrmbool hitflag, jrmbool includeSun, jrmbool includeMoon, jrmbool includegnd, jrmbool subdivide, long ax_index, long bx_index, VECTOR sensor, VECTOR matsys_unvalidated, VECTOR sun, VECTOR moon, ATMCOEF *atm, ATMINFO inf, ATM_DEFAULT atm_default, double *solarTOA, double *lunarTOA, double *solarDWlayer, double *solarUWlayer, double *lunarDWlayer, double *lunarUWlayer, double *thermalDWlayer, double *thermalUWlayer, double *Xmit, double *Prad, double *SunScat, double *LunScat)
SIGSIM_API int	XmitPradScatCE_MS_AB_METIN (jrmbool PRflag, jrmbool SSflag, jrmbool MSflag, jrmbool hitflag, jrmbool includeSun, jrmbool includeMoon, jrmbool includegnd, jrmbool subdivide, long ax_index, long bx_index, VECTOR sensor, VECTOR matsys_unvalidated, METIN *metin, double *Xmit, double *Prad, double *SunScat, double *LunScat)
SIGSIM_API int	XmitPradScatCE_MS_AB_SB (jrmbool PRflag, jrmbool SSflag, jrmbool MSflag, jrmbool hitflag, jrmbool includeSun, jrmbool includeMoon, long ax_index, long bx_index, VECTOR sensor, VECTOR matsys_unvalidated, VECTOR sun, VECTOR moon, ATMCOEF *atm, ATMINFO inf, ATM_DEFAULT atm_default, float *LayerPressure, double *solarTOA, double *lunarTOA, double *solarDWlayer, double *solarUWlayer, double *lunarDWlayer, double *lunarUWlayer, double *thermalDWlayer, double *thermalUWlayer, double *Xmit, double *Prad, double *SunScat, double *LunScat)
SIGSIM_API double	AtmCoefficientFitting (double altitude, int nAtmCoeffIndex, int nSpectralIndex, int *nLayersForFitting, int coeff, ATMCOEF *atm, ATMINFO *inf, float *LayerPressure, double *AmplitudeFactor, double *ExponentialFactor)
int	Fill_NonModtranATMGrid (char *sigsim_atm_dir, METIN *metin)
int	FillLowestLayerExtinctions (char *sigsim_atm_dir, METIN *metin)
int	XmitPradScatCE_LOFI (jrmbool PRflag, jrmbool SSflag, jrmbool hitflag, ATMCOEF *atm, ATMINFO inf, VECTOR sensor, VECTOR matsys_unvalidated, double *Xmit, double *Prad, double *solarTOA, double *lunarTOA, VECTOR sun, VECTOR moon, double *SunScat, double *LunScat)
SIGSIM_API int	GetPathVecsSTP (double *range, VECTOR sensorient, double sensalt, ATMINFO inf, VECTOR *sensor, VECTOR *matsys, jrmbool hitflag)
SIGSIM_API int	ScatteringIrradianceByLayer (ATMINFO inf, ATMCOEF *atm, VECTOR source, double *sourceTOA, double *downDSS, double *upDSS, double *downMS, double *upMS, jrmbool DRdownflag, jrmbool DRupflag, jrmbool SSflag, jrmbool MSflag, jrmbool Init, long ax_index, long bx_index)
SIGSIM_API int	ThermalIrradianceByLayer (ATMINFO inf, ATMCOEF *atm, ATM_DEFAULT atm_default, double *downD, double *upD, double *downSSMS, double *upSSMS, jrmbool DRdownflag, jrmbool DRupflag, jrmbool SSflag, jrmbool MSflag, jrmbool Init, long ax_index, long bx_index)
int	GetMS2SSRatioSingleLayer (ATMINFO inf, ATMCOEF *atm, long layer, double scatangle, double pathlength, jrmbool TOA, SPECTRAL_DOMAIN spectrum, double *MS2SSratio)
SIGSIM_API int	GetMultipleScattering2SingleScatteringRatio (SPECTRAL_DOMAIN spectrum, double *MS2SSratio, VECTOR Sensor, VECTOR Matsys, ATMCOEF *atm, ATMINFO inf, VECTOR sun, jrmbool hitflag)
int	GetPathWeights (ATMCOEF *atm, ATMINFO inf, VECTOR sun, jrmbool hitflag, double lambda_max, VECTOR Sensor, VECTOR Matsys, double *henyey, double *scat, double *phfunc, double *extinct, double *baseMStoSSratio, double *scatangle, double *range_m)
SIGSIM_API int	GetPathVectors (MODPATH *mp, int itype, VECTOR *sensor, VECTOR *matsys)
SIGSIM_API int	GetLayerPropertiesPerPath (VECTOR sensor, VECTOR matsys, ATMCOEF *atm, ATMINFO inf, LAYER_PROP *layprop, double lambda_um, jrmbool hitflag)
SIGSIM_API int	XmitPradScatCE2 (jrmbool PRflag, jrmbool SSflag, jrmbool MSflag, jrmbool hitflag, ATMCOEF *atm, ATMINFO inf, VECTOR sensor, VECTOR matsys_unvalidated, double *Xmit, double *Prad, double *solarTOA, double *lunarTOA, VECTOR sun, VECTOR moon, double *SunScat, double *LunScat)
SIGSIM_API double	expint (double alt, double altlo, double althi, double Qlo, double Qhi)
double	Hscale (double altlo, double althi, double Qlo, double Qhi)
SIGSIM_API int	FastDirectIrrad (METIN *metin, double alt, long ax_index, long bx_index)
SIGSIM_API int	FastDiffuseIrrad (METIN *metin, double alt, long ax_index, long bx_index)
CIE_STANDARD_ATM_PARMS	GetCIEStandardATMParms (CIE_ATM_TYPE atmtype)
double	ElementToSunDistance (double Z, double alpha, double Zs, double alphas)
double	LuminanceGradationFunction (double z, double a, double b)
double	ScatteringIndicatrix (double chi, double c, double d, double e)
double	IdealOpticalMass (double Zs)
double	IdealLuminousExtinction (double m)
double	LuminousTurbidity (double Pv, double Ev, double av, double m)
double	ZenithLuminance (double Zs, double Tv, double A1, double A2, double C, double D)
double	Luminance (double Z, double alpha, double Zs, double alphas, CIE_ATM_TYPE atmtype, double Pv, double Ev)
SIGSIM_API int	CreateBNNATM (BNN_ATM_PARAMS bnn, ATMINFO *inf, ATMCOEF **atm)
SIGSIM_API int	PrintCIESkyRadianceMapForGivenBNNATM (char *filespec, BNN_ATM_PARAMS bnn, CIE_ATM_TYPE atmtype, double Zs, double alphas, SPECTRUM *solarTOA, double zenithResolution_deg, double azimuthResolution_deg)
SIGSIM_API double	RefractivePathCorrection (MODPATH *mp, double n0, double h0)
SIGSIM_API int	ComputeExponentialRefractiveIndex (ATMCOEF *atm, ATMINFO inf, double ax, double bx, double *n0, double *h0)
SIGSIM_API FOV	GetRefractionAlteredFOV (FOV fov, ellipsoid E, double n0, double h0, jrmbool getRefracted)
SIGSIM_API void	CalculateRequiredLOSAngles (double Eratio, RTPATH rt, double *angle, double *phi, double *range)
SIGSIM_API int	InverseCalculateRequiredLOSAngle (double Eratio, MODPATH mp, double *angle0)
SIGSIM_API int	EffectiveHenyeyAsymmetry (METIN *metin, double tod, double ax, double bx, int o, double *g)
SIGSIM_API int	EffectiveHorizonDropCoefficient (METIN *metin, double ax, double bx, int o, double *c)

Enumeration Type Documentation

enum ATM_COEFFICIENT

Enumerator:

EXTINCTION_COEFF
PRAD_COEFF
SCATTERING_0_COEFF
SCATTERING_1_COEFF
SCATTERING_2_COEFF
SCATTERING_3_COEFF
SCATTERING_4_COEFF
SCATTERING_5_COEFF
SCATTERING_6_COEFF
SCATTERING_7_COEFF
NUM_COEFF

enum CIE_ATM_TYPE

Enumerator:

I1
I2
II1
II2
III1
III2
III3
III4
IV2
IV3
IV4
V4
V5
VI5
VI6

Function Documentation

int SubtractATMGrids	(	ATMCOEF *	atmin1,
		ATMINFO	infin1,
		ATMCOEF *	atmin2,
		ATMINFO	infin2,
		ATMCOEF **	atmout,
		ATMINFO *	infout
	)

int SetConstantATMGrid	(	ATMCOEF *	atm,
		ATMINFO	inf,
		double	extcoef,
		double	scatcoef,
		double	realindex,
		double	degK
	)

SIGSIM_API int WriteAtmGrid	(	char *	outputfilename,
		ATMCOEF *	atm,
		ATMINFO	inf
	)

SIGSIM_API int WriteAtmGridMetin	(	char *	outputfilename,
		METIN *	metin
	)

SIGSIM_API int GetAtmGridFileInfo	(	char *	inputfilename,
		ATMINFO *	inf
	)

SIGSIM_API int ReadKnownAtmGrid	(	char *	inputfilename,
		ATMCOEF *	atm,
		ATMINFO	inf
	)

SIGSIM_API int ReadAtmGrid	(	char *	inputfilename,
		ATMCOEF **	atm,
		ATMINFO *	inf
	)

SIGSIM_API int AllocateAtmosphericLayers	(	ATMCOEF **	atm,
		ATMINFO	inf
	)

SIGSIM_API int ShiftLayerStructure	(	ATMINFO *	inf,
		double	altlo_old,
		double	althi_old,
		double	altlo_new,
		double	althi_new
	)

SIGSIM_API int MergeATMGrids	(	ATMCOEF *	atmin1,
		ATMINFO	infin1,
		ATMCOEF *	atmin2,
		ATMINFO	infin2,
		ATMCOEF **	atmout,
		ATMINFO *	infout,
		double	weight2
	)

SIGSIM_API int FreeAtmosphericLayers

(

ATMCOEF **

atm

)

SIGSIM_API int FreeATMINFO

(

ATMINFO *

inf

)

SIGSIM_API int SetupAtmosphericProfile1D	(	jrmbool	atmreset,
		char *	sigsim_data_dir,
		char *	sigsim_cache_dir,
		char *	atm_file,
		char *	modcard_file,
		long	nlayers,
		METIN *	metin
	)

void SetPathGeometry	(	MODPATH	mp,
		EPHEMERIS	fm,
		int	source,
		MODCARD *	mc
	)

SIGSIM_API int FillAtmosphericGrid	(	char *	sigsim_atm_dir,
		METIN *	metin
	)

SIGSIM_API int SetupModcard	(	MODCARD *	mc,
		jrmbool	multscat,
		EPHEMERIS	fm,
		ATM_DEFAULT	atm_default,
		char *	sigsim_data_dir
	)

SIGSIM_API int SetBand	(	BAND	band,
		MODCARD *	mc
	)

SIGSIM_API int RunStandAloneModtranPath	(	MODCARD	mc,
		SEUPATH	seu,
		EPHEMERIS	fm,
		jrmbool	sunsource,
		long *	nlamb,
		float **	lamb,
		float **	xmit,
		float **	prad,
		float **	scat,
		float **	dirc,
		char *	moddir
	)

SIGSIM_API int RunModtranPath	(	MODCARD	mc,
		SEUPATH	seu,
		EPHEMERIS	fm,
		jrmbool	sunsource,
		long	nlamb,
		float *	lamb,
		float *	xmit,
		float *	prad,
		float *	scat,
		float *	dirc
	)

SIGSIM_API int RunModtranPathBands	(	BAND *	band,
		int	nbands,
		MODCARD	mc,
		SEUPATH	seu,
		EPHEMERIS	fm,
		jrmbool	sunsource,
		double *	xmit,
		double *	prad,
		double *	scat,
		double *	dirc
	)

SIGSIM_API int PrintModtran1DPathAtmospherics	(	jrmbool	sunsource,
		jrmbool	multscat,
		jrmbool	includegnd,
		MODPATH	mp,
		EPHEMERIS	fm,
		ATM_DEFAULT	atm_default,
		BAND	band,
		char *	sigsim_data_dir,
		char *	tag
	)

BAND CalcModBand

(

METIN *

metin

)

SIGSIM_API int ProcessPlumeVolume	(	char *	sigsim_atm_dir,
		METIN *	metin,
		ATM_VOL_PROPS *	atm,
		double	dalt_km
	)

SIGSIM_API int UpdateATMVolumeSinglePassbandOGL	(	ATM_VOL_PROPS *	atm,
		MATL_OGL_TABLE *	mogl_table,
		SENSOR *	sens,
		METIN *	metin,
		double	dist,
		int	shell_id
	)

int FastDiffuseSkyIrrad	(	METIN *	metin,
		double	alt,
		long	ax_index,
		long	bx_index
	)

int FastDiffuseScatIrrad	(	METIN *	metin,
		double	alt,
		long	ax_index,
		long	bx_index
	)

int FasterDiffuseIrrad	(	ATMCOEF *	atm,
		ATMINFO	inf,
		double *	solarTOA,
		double *	lunarTOA,
		METIN *	metin,
		double	alt,
		VECTOR	sun,
		VECTOR	moon
	)

int FastDiffuseSSIrrad	(	ATMCOEF *	atm,
		ATMINFO	inf,
		double *	solarTOA,
		double *	lunarTOA,
		METIN *	metin,
		double	alt,
		VECTOR	sun,
		VECTOR	moon
	)

void computeLayerFluxAnalytic	(	METIN *	metin,
		int	nIntervals,
		jrmbool	IncludeDirect,
		double	grndAlbedo,
		double	mu0,
		double *	laythick,
		double *	upMSFlux,
		double *	downMSFlux,
		double *	upSSFlux,
		double *	downSSFlux
	)

SIGSIM_API int PrepareMetin	(	EPHEMERIS	fm,
		ATM_DEFAULT	atm_default,
		jrmbool	multscat,
		BAND *	band,
		int	nbands,
		double	alt_m,
		char *	sigsim_data_dir,
		char *	sigsim_cache_dir,
		METIN *	metin,
		jrmbool	atm_reset
	)

SIGSIM_API int RunSigSimPath	(	BAND	band,
		METIN *	metin,
		SEUPATH	seu,
		jrmbool	multscat,
		jrmbool	sunsource,
		jrmbool	includegnd,
		double **	xmit,
		double **	prad,
		double **	scat,
		double **	dirc
	)

SIGSIM_API int RunSigSimPathBands	(	BAND *	band,
		int	nbands,
		METIN *	metin,
		SEUPATH	seu,
		jrmbool	multscat,
		jrmbool	sunsource,
		jrmbool	includegnd,
		double *	xmit,
		double *	prad,
		double *	scat,
		double *	dirc
	)

SIGSIM_API int PrintSigSim1DPathAtmospherics	(	jrmbool	sunsource,
		jrmbool	multscat,
		jrmbool	includegnd,
		MODPATH	mp,
		EPHEMERIS	fm,
		ATM_DEFAULT	atm_default,
		BAND	band,
		char *	sigsim_data_dir,
		char *	sigsim_cache_dir,
		char *	tag
	)

int ValidatePathEndpoints	(	ATMINFO	inf,
		jrmbool	hitflag,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		VECTOR *	tosensor_km,
		VECTOR *	frommatsys_km,
		VECTOR *	look
	)

int GetPathIntervals	(	VECTOR	s,
		VECTOR	m,
		jrmbool	hitflag,
		jrmbool	SSflag,
		ATMINFO	inf,
		long *	ns,
		long **	atm_index_s,
		double **	length_s,
		long *	nm,
		long **	atm_index_m,
		double **	length_m
	)

int GetPathIntervals2	(	VECTOR	s,
		VECTOR	m,
		jrmbool	hitflag,
		jrmbool	SSflag,
		ATMINFO	inf,
		int	minimum_n,
		long *	n,
		long **	atm_index,
		double **	length
	)

int GetPathIntervals3	(	VECTOR	s,
		VECTOR	m,
		ATMINFO	inf,
		double *	delta,
		int *	n,
		long **	atm_index,
		double **	length
	)

int GetPathIntervals4	(	VECTOR	s,
		VECTOR	m,
		ATMINFO	inf,
		double *	delta,
		int *	n,
		int **	lay_index,
		double **	length,
		jrmbool	subdivide
	)

int GetPathIntervals5	(	VECTOR	s,
		VECTOR	m,
		ATMINFO	inf,
		double *	delta,
		int *	n,
		int **	lay_index,
		double **	length,
		double **	avecostheta,
		jrmbool	subdivide
	)

SIGSIM_API int GetPathIntervals6	(	VECTOR	s,
		VECTOR	m,
		ATMINFO	inf,
		double *	delta,
		int *	n,
		int **	lay_index,
		double **	length,
		double **	avecostheta,
		jrmbool	subdivide
	)

SIGSIM_API double getLayerFraction	(	double	altitude,
		ATMINFO	inf,
		int *	pInterpolatedLayer
	)

SIGSIM_API void GetLOSPathIntervals	(	GEOCENTRIC_LOCATION	startC,
		GEOCENTRIC_LOCATION	endC,
		int	SSflag,
		METIN *	metin,
		long *	ns,
		long **	atm_index_s,
		double **	length_s,
		long *	nm,
		long **	atm_index_m,
		double **	length_m,
		VECTOR *	toobj,
		VECTOR *	xhat,
		jrmbool	hitflag
	)

SIGSIM_API double GetLOSAtmosphericsKE	(	GEOCENTRIC_LOCATION	startC,
		EULERzyx *	startFRD,
		GEOCENTRIC_LOCATION	endC,
		EULERzyx *	endFRD,
		METIN *	metin,
		SOURCE_TYPE	source_type,
		SPECTRAL_DOMAIN	spectrum,
		double **	trans,
		double **	pathrad,
		double **	scatrad
	)

SIGSIM_API double GetLOSAtmosphericsKE_new	(	jrmbool	SSflag,
		GEOCENTRIC_LOCATION	startC,
		EULERzyx *	startFRD,
		GEOCENTRIC_LOCATION	endC,
		EULERzyx *	endFRD,
		METIN *	metin,
		SOURCE_TYPE	source_type,
		SENSOR	sens,
		double **	trans,
		double **	pathrad,
		double **	scatrad
	)

SIGSIM_API double GetLOSAtmosphericsKE_gpulut	(	int	SSflag,
		GEOCENTRIC_LOCATION	startC,
		EULERzyx *	startFRD,
		GEOCENTRIC_LOCATION	endC,
		EULERzyx *	endFRD,
		METIN *	metin,
		SOURCE_TYPE	source_type,
		SENSOR	sens,
		double *	trans,
		double *	pathrad,
		double *	scatrad,
		int	nScatAngles,
		double *	scatAngles
	)

SIGSIM_API int GetMaximumPathLengthArray	(	ATMINFO	inf,
		ATMCOEF *	atm,
		long	ax_index,
		long	bx_index,
		int	laymin,
		int	laymax,
		double	anglefactor,
		double **	delta
	)

int AccumulateSpectralAtmosphericsForPath	(	jrmbool	reset,
		jrmbool	PRflag,
		jrmbool	SSflag,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR *	pathposition_m,
		VECTOR	look,
		long	nintervals,
		long *	atm_index,
		double *	length,
		int	nsources,
		VECTOR *	tosource,
		double *	TOAirrad,
		double *	Xmit,
		double *	Prad,
		double *	Scat
	)

int XmitPradScatCE1S2	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	hitflag,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		double *	TOAirrad,
		VECTOR	tosource,
		double *	Xmit,
		double *	Prad,
		double *	Scat
	)

int CalcXmitAndPathRadCE	(	ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sensor,
		VECTOR	matsys,
		double *	Xmit,
		double *	Pathrad,
		jrmbool	hitflag
	)

SIGSIM_API int BandXmitAndPathRadCE	(	ATMCOEF *	atm,
		ATMINFO	inf,
		double	ax,
		double	bx,
		METIN *	metin,
		VECTOR	sensor,
		VECTOR	matsys,
		double *	Xmit,
		double *	Pathrad,
		jrmbool	hitflag
	)

int XmittanceCE	(	ATMCOEF *	atm,
		ATMINFO	inf,
		double *	Xmit,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		jrmbool	hitflag
	)

int PathRadCE	(	ATMCOEF *	atm,
		ATMINFO	inf,
		double *	Prad,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		jrmbool	hitflag
	)

int PathRadScatCE	(	ATMCOEF *	atm,
		ATMINFO	inf,
		double *	solarTOA,
		double *	lunarTOA,
		double *	Prad,
		double *	SolScat,
		double *	LunScat,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		VECTOR	sun,
		VECTOR	moon,
		jrmbool	hitflag
	)

int XmitPradScatCE1S	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	hitflag,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		double *	TOAirrad,
		VECTOR	tosource,
		double *	Xmit,
		double *	Prad,
		double *	Scat
	)

SIGSIM_API int XmitPradScatCE1S_new	(	jrmbool	PRflag,
		int	SSflag,
		jrmbool	hitflag,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		double *	TOAirrad,
		VECTOR	tosource,
		int	start_lambda,
		int	end_lambda,
		double *	Xmit,
		double *	Prad,
		double *	Scat,
		int	nScatAngles,
		double *	scatAngles
	)

SIGSIM_API int XmitPradScatCE	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	hitflag,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		double *	Xmit,
		double *	Prad,
		double *	solarTOA,
		double *	lunarTOA,
		VECTOR	sun,
		VECTOR	moon,
		double *	SunScat,
		double *	LunScat
	)

int XmitPradScatCE_EvenSpace	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	hitflag,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		double *	Xmit,
		double *	Prad,
		double *	solarTOA,
		double *	lunarTOA,
		VECTOR	sun,
		VECTOR	moon,
		double *	SunScat,
		double *	LunScat
	)

SIGSIM_API int XmitPradScatCE_MS	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	MSflag,
		jrmbool	hitflag,
		jrmbool	includeSun,
		jrmbool	includeMoon,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		METIN *	metin
	)

SIGSIM_API int XmitPradScatCEMS	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	hitflag,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		int	nsources,
		double *	TOAirrad,
		VECTOR *	tosource,
		double *	Xmit,
		double *	Prad,
		double *	Scat
	)

SIGSIM_API int BandXmitPradScatCERanged	(	ATMCOEF *	atm,
		ATMINFO	inf,
		double	ax,
		double	bx,
		METIN *	metin,
		VECTOR	sensor,
		VECTOR	matsys,
		int	nranges,
		double *	range,
		double *	Xmit,
		double *	Prad,
		double *	Scat,
		jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	hitflag
	)

SIGSIM_API double UpdateAtmosphericsSinglePassbandRanged1D	(	double *	max_range,
		METIN *	metin,
		SENSOR *	sens,
		int	nranges,
		double *	range,
		double *	Xmit_axbx,
		double *	Prad_axbx,
		double *	Scat_axbx,
		jrmbool	hitflag,
		jrmbool	PRflag,
		jrmbool	SSflag
	)

SIGSIM_API int XmitPradScatCE_MS_AB	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	MSflag,
		jrmbool	hitflag,
		jrmbool	includeSun,
		jrmbool	includeMoon,
		jrmbool	includegnd,
		jrmbool	subdivide,
		long	ax_index,
		long	bx_index,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		VECTOR	sun,
		VECTOR	moon,
		ATMCOEF *	atm,
		ATMINFO	inf,
		ATM_DEFAULT	atm_default,
		double *	solarTOA,
		double *	lunarTOA,
		double *	solarDWlayer,
		double *	solarUWlayer,
		double *	lunarDWlayer,
		double *	lunarUWlayer,
		double *	thermalDWlayer,
		double *	thermalUWlayer,
		double *	Xmit,
		double *	Prad,
		double *	SunScat,
		double *	LunScat
	)

SIGSIM_API int XmitPradScatCE_MS_AB_METIN	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	MSflag,
		jrmbool	hitflag,
		jrmbool	includeSun,
		jrmbool	includeMoon,
		jrmbool	includegnd,
		jrmbool	subdivide,
		long	ax_index,
		long	bx_index,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		METIN *	metin,
		double *	Xmit,
		double *	Prad,
		double *	SunScat,
		double *	LunScat
	)

SIGSIM_API int XmitPradScatCE_MS_AB_SB	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	MSflag,
		jrmbool	hitflag,
		jrmbool	includeSun,
		jrmbool	includeMoon,
		long	ax_index,
		long	bx_index,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		VECTOR	sun,
		VECTOR	moon,
		ATMCOEF *	atm,
		ATMINFO	inf,
		ATM_DEFAULT	atm_default,
		float *	LayerPressure,
		double *	solarTOA,
		double *	lunarTOA,
		double *	solarDWlayer,
		double *	solarUWlayer,
		double *	lunarDWlayer,
		double *	lunarUWlayer,
		double *	thermalDWlayer,
		double *	thermalUWlayer,
		double *	Xmit,
		double *	Prad,
		double *	SunScat,
		double *	LunScat
	)

SIGSIM_API double AtmCoefficientFitting	(	double	altitude,
		int	nAtmCoeffIndex,
		int	nSpectralIndex,
		int *	nLayersForFitting,
		int	coeff,
		ATMCOEF *	atm,
		ATMINFO *	inf,
		float *	LayerPressure,
		double *	AmplitudeFactor,
		double *	ExponentialFactor
	)

int Fill_NonModtranATMGrid	(	char *	sigsim_atm_dir,
		METIN *	metin
	)

int FillLowestLayerExtinctions	(	char *	sigsim_atm_dir,
		METIN *	metin
	)

int XmitPradScatCE_LOFI	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	hitflag,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		double *	Xmit,
		double *	Prad,
		double *	solarTOA,
		double *	lunarTOA,
		VECTOR	sun,
		VECTOR	moon,
		double *	SunScat,
		double *	LunScat
	)

SIGSIM_API int GetPathVecsSTP	(	double *	range,
		VECTOR	sensorient,
		double	sensalt,
		ATMINFO	inf,
		VECTOR *	sensor,
		VECTOR *	matsys,
		jrmbool	hitflag
	)

SIGSIM_API int ScatteringIrradianceByLayer	(	ATMINFO	inf,
		ATMCOEF *	atm,
		VECTOR	source,
		double *	sourceTOA,
		double *	downDSS,
		double *	upDSS,
		double *	downMS,
		double *	upMS,
		jrmbool	DRdownflag,
		jrmbool	DRupflag,
		jrmbool	SSflag,
		jrmbool	MSflag,
		jrmbool	Init,
		long	ax_index,
		long	bx_index
	)

SIGSIM_API int ThermalIrradianceByLayer	(	ATMINFO	inf,
		ATMCOEF *	atm,
		ATM_DEFAULT	atm_default,
		double *	downD,
		double *	upD,
		double *	downSSMS,
		double *	upSSMS,
		jrmbool	DRdownflag,
		jrmbool	DRupflag,
		jrmbool	SSflag,
		jrmbool	MSflag,
		jrmbool	Init,
		long	ax_index,
		long	bx_index
	)

int GetMS2SSRatioSingleLayer	(	ATMINFO	inf,
		ATMCOEF *	atm,
		long	layer,
		double	scatangle,
		double	pathlength,
		jrmbool	TOA,
		SPECTRAL_DOMAIN	spectrum,
		double *	MS2SSratio
	)

SIGSIM_API int GetMultipleScattering2SingleScatteringRatio	(	SPECTRAL_DOMAIN	spectrum,
		double *	MS2SSratio,
		VECTOR	Sensor,
		VECTOR	Matsys,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sun,
		jrmbool	hitflag
	)

int GetPathWeights	(	ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sun,
		jrmbool	hitflag,
		double	lambda_max,
		VECTOR	Sensor,
		VECTOR	Matsys,
		double *	henyey,
		double *	scat,
		double *	phfunc,
		double *	extinct,
		double *	baseMStoSSratio,
		double *	scatangle,
		double *	range_m
	)

SIGSIM_API int GetPathVectors	(	MODPATH *	mp,
		int	itype,
		VECTOR *	sensor,
		VECTOR *	matsys
	)

SIGSIM_API int GetLayerPropertiesPerPath	(	VECTOR	sensor,
		VECTOR	matsys,
		ATMCOEF *	atm,
		ATMINFO	inf,
		LAYER_PROP *	layprop,
		double	lambda_um,
		jrmbool	hitflag
	)

SIGSIM_API int XmitPradScatCE2	(	jrmbool	PRflag,
		jrmbool	SSflag,
		jrmbool	MSflag,
		jrmbool	hitflag,
		ATMCOEF *	atm,
		ATMINFO	inf,
		VECTOR	sensor,
		VECTOR	matsys_unvalidated,
		double *	Xmit,
		double *	Prad,
		double *	solarTOA,
		double *	lunarTOA,
		VECTOR	sun,
		VECTOR	moon,
		double *	SunScat,
		double *	LunScat
	)

SIGSIM_API double expint	(	double	alt,
		double	altlo,
		double	althi,
		double	Qlo,
		double	Qhi
	)

double Hscale	(	double	altlo,
		double	althi,
		double	Qlo,
		double	Qhi
	)

SIGSIM_API int FastDirectIrrad	(	METIN *	metin,
		double	alt,
		long	ax_index,
		long	bx_index
	)

SIGSIM_API int FastDiffuseIrrad	(	METIN *	metin,
		double	alt,
		long	ax_index,
		long	bx_index
	)

CIE_STANDARD_ATM_PARMS GetCIEStandardATMParms

(

CIE_ATM_TYPE

atmtype

)

double ElementToSunDistance	(	double	Z,
		double	alpha,
		double	Zs,
		double	alphas
	)

double LuminanceGradationFunction	(	double	z,
		double	a,
		double	b
	)

double ScatteringIndicatrix	(	double	chi,
		double	c,
		double	d,
		double	e
	)

double IdealOpticalMass

(

double

Zs

)

double IdealLuminousExtinction

(

double

m

)

double LuminousTurbidity	(	double	Pv,
		double	Ev,
		double	av,
		double	m
	)

double ZenithLuminance	(	double	Zs,
		double	Tv,
		double	A1,
		double	A2,
		double	C,
		double	D
	)

double Luminance	(	double	Z,
		double	alpha,
		double	Zs,
		double	alphas,
		CIE_ATM_TYPE	atmtype,
		double	Pv,
		double	Ev
	)

SIGSIM_API int CreateBNNATM	(	BNN_ATM_PARAMS	bnn,
		ATMINFO *	inf,
		ATMCOEF **	atm
	)

SIGSIM_API int PrintCIESkyRadianceMapForGivenBNNATM	(	char *	filespec,
		BNN_ATM_PARAMS	bnn,
		CIE_ATM_TYPE	atmtype,
		double	Zs,
		double	alphas,
		SPECTRUM *	solarTOA,
		double	zenithResolution_deg,
		double	azimuthResolution_deg
	)

SIGSIM_API double RefractivePathCorrection	(	MODPATH *	mp,
		double	n0,
		double	h0
	)

SIGSIM_API int ComputeExponentialRefractiveIndex	(	ATMCOEF *	atm,
		ATMINFO	inf,
		double	ax,
		double	bx,
		double *	n0,
		double *	h0
	)

SIGSIM_API FOV GetRefractionAlteredFOV	(	FOV	fov,
		ellipsoid	E,
		double	n0,
		double	h0,
		jrmbool	getRefracted
	)

SIGSIM_API void CalculateRequiredLOSAngles	(	double	Eratio,
		RTPATH	rt,
		double *	angle,
		double *	phi,
		double *	range
	)

SIGSIM_API int InverseCalculateRequiredLOSAngle	(	double	Eratio,
		MODPATH	mp,
		double *	angle0
	)

SIGSIM_API int EffectiveHenyeyAsymmetry	(	METIN *	metin,
		double	tod,
		double	ax,
		double	bx,
		int	o,
		double *	g
	)

SIGSIM_API int EffectiveHorizonDropCoefficient	(	METIN *	metin,
		double	ax,
		double	bx,
		int	o,
		double *	c
	)