Kriging Functions

:Associate with "Kriging Functions" More...

Functions
void	MkrgAdjustVariogramModel (void *handle, int VariogramType, int DriftOrder, int NumNearest, int NumMinimum, DOUBLE Sill, DOUBLE Co, DOUBLE Anisotropy, DOUBLE Radius1, DOUBLE Radius2)
int	MkrgDisplayVariogram (void *handle)
int	MkrgGetOutputFiles (void *handle, RVCRASTINFO *sInfo, MIUNICODE *filename, INT32 *inode, int ErrRast, int DriftRast)
void	MkrgGetParms (void *handle, double &Sill, double &Co)
int	MkrgInit (void **handle, DPOINT3D *Data, INT32 numpts, int Duplicate)
int	MkrgRunCrossEstimation (void *handle, DOUBLE *MeanErr, DOUBLE *StdDev)
int	MkrgRunGriding (void *handle, DPOINT2D *UpLeft, DPOINT2D *BtRight)
int	MkrgSaveVariogram (void *handle)
int	MkrgSetOutputRaster (void *handle, int Rastid, RVCRASTINFO *Info, DOUBLE minvalue, DOUBLE maxvalue, int AutoRescale, int ErrorRaster, int DriftRaster)
int	MkrgSetTrimming (void *handle, DOUBLE low, DOUBLE high)
int	MkrgSetupKriging (void *handle, int VariogramType, int DriftOrder, int NumNearest, int NumMinimum, DOUBLE LowTrimF, DOUBLE HighTrimF)
int	MkrgStop (void *handle)

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Detailed Description

:Associate with "Kriging Functions"

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Function Documentation

void MkrgAdjustVariogramModel	(	void *	handle,
		int	VariogramType,
		int	DriftOrder,
		int	NumNearest,
		int	NumMinimum,
		DOUBLE	Sill,
		DOUBLE	Co,
		DOUBLE	Anisotropy,
		DOUBLE	Radius1,
		DOUBLE	Radius2
	)

Change some parameters in variogram model.

Parameters:

Sill	variogram sill value
Co	variogram nugget value
Anisotropy	anisotropy angle
Radius1	search radiuses

int MkrgDisplayVariogram

(

void *

handle

)

This function actually opens XYPlot dialog and assign variogram data.

int MkrgGetOutputFiles	(	void *	handle,
		RVCRASTINFO *	sInfo,
		MIUNICODE *	filename,
		INT32 *	inode,
		int	ErrRast,
		int	DriftRast
	)

Get output files.

void MkrgGetParms	(	void *	handle,
		double &	Sill,
		double &	Co
	)

Get sill and Co parameters.

Parameters:

Sill	variogram sill value
Co	variogram nugget value

int MkrgInit	(	void **	handle,
		DPOINT3D *	Data,
		INT32	numpts,
		int	Duplicate
	)

Init kriging toolkit.

1. This function allocates handle to use with other functions. 2. Creates Q-tree for input data , do not free Data pointer, process needs it. 3. Sets default values for all internal parameters. 4. Run Variogram estimation function.

Parameters:

handle

Kriging handle

int MkrgRunCrossEstimation	(	void *	handle,
		DOUBLE *	MeanErr,
		DOUBLE *	StdDev
	)

Run cross estimation.

int MkrgRunGriding	(	void *	handle,
		DPOINT2D *	UpLeft,
		DPOINT2D *	BtRight
	)

Run kriging for output raster.

Parameters:

handle

output area definition

int MkrgSaveVariogram

(

void *

handle

)

Save variogram in the text file.

int MkrgSetOutputRaster	(	void *	handle,
		int	Rastid,
		RVCRASTINFO *	Info,
		DOUBLE	minvalue,
		DOUBLE	maxvalue,
		int	AutoRescale,
		int	ErrorRaster,
		int	DriftRaster
	)

Set output raster parameters.

int MkrgSetTrimming	(	void *	handle,
		DOUBLE	low,
		DOUBLE	high
	)

Set trimming values.

int MkrgSetupKriging	(	void *	handle,
		int	VariogramType,
		int	DriftOrder,
		int	NumNearest,
		int	NumMinimum,
		DOUBLE	LowTrimF,
		DOUBLE	HighTrimF
	)

This process runs variogram estimation and sets up all internal parameters.

int MkrgStop

(

void *

handle

)

Close kriging toolkit and free all memory.

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