mathematical operations

Modules
	wavelets analysis

Functions
vec *	dem_getValue (REAL x, REAL y, const char *dem_name="*")
boolvec *	dem_resid (const char *filename, const char *dem_name="*", const char *points_name="*")
vec *	dem_D1 (const char *dem_name="*")
vec *	dem_D2 (const char *dem_name="*")
boolvec *	dem_gradient (const char *newname, const char *dem_name="*")
boolvec *	dem_project (const char *newname, const char *dem_name="*")
vec *	dem_minz (const char *dem_name="*")
vec *	dem_maxz (const char *dem_name="*")
boolvec *	dem_plus (const char *dem1_name, const char *dem2_name)
boolvec *	dem_minus (const char *dem1_name, const char *dem2_name)
boolvec *	dem_mult (const char *dem1_name, const char *dem2_name)
boolvec *	dem_div (const char *dem1_name, const char *dem2_name)
boolvec *	dem_set (const char *dem1_name, const char *dem2_name)
boolvec *	dem_plus_real (REAL val, const char *dem_name="*")
boolvec *	dem_minus_real (REAL val, const char *dem_name="*")
boolvec *	dem_mult_real (REAL val, const char *dem_name="*")
boolvec *	dem_div_real (REAL val, const char *dem_name="*")
boolvec *	dem_set_real (REAL val, const char *dem_name="*")

Detailed Description

Function Documentation

REAL dem_D1

(

const char *

dem_name = "*"

)

Tcl syntax:

dem_D1 dem_name

Description:

calculates value of for DEM

REAL dem_D2

(

const char *

dem_name = "*"

)

Tcl syntax:

dem_D2 dem_name

Description:

calculates value of for DEM

bool dem_div	(	const char *	dem1_name,
		const char *	dem2_name
	)

Tcl syntax:

dem_div dem1_name dem2_name

Description:

Performs operation with DEMs cells values: dem1 = dem1 / dem2

bool dem_div_real	(	REAL	val,
		const char *	dem_name = "*"
	)

Tcl syntax:

dem_div_real val dem_name

Description:

Performs operation with DEMs cells values: dem = dem / val

REAL dem_getValue	(	REAL	x,
		REAL	y,
		const char *	dem_name = "*"
	)

Tcl syntax:

dem_getValue x y dem_name

Description:

calculates DEM value at (x,y) point

bool dem_gradient	(	const char *	newname,
		const char *	dem_name = "*"
	)

Tcl syntax:

dem_gradient "newname" dem_name

Description:

calculates "DEM of gradients lengths" from DEM

REAL dem_maxz

(

const char *

dem_name = "*"

)

Tcl syntax:

dem_maxz dem_name

Description:

calculates maximum Z-value for DEM

bool dem_minus	(	const char *	dem1_name,
		const char *	dem2_name
	)

Tcl syntax:

dem_minus dem1_name dem2_name

Description:

Performs operation with DEMs cells values: dem1 = dem1 - dem2

bool dem_minus_real	(	REAL	val,
		const char *	dem_name = "*"
	)

Tcl syntax:

dem_minus_real val dem_name

Description:

Performs operation with DEMs cells values: dem = dem - val

REAL dem_minz

(

const char *

dem_name = "*"

)

Tcl syntax:

dem_minz dem_name

Description:

calculates minimum Z-value for DEM

bool dem_mult	(	const char *	dem1_name,
		const char *	dem2_name
	)

Tcl syntax:

dem_mult dem1_name dem2_name

Description:

Performs operation with DEMs cells values: dem1 = dem1 * dem2

bool dem_mult_real	(	REAL	val,
		const char *	dem_name = "*"
	)

Tcl syntax:

dem_mult_real val dem_name

Description:

Performs operation with DEMs cells values: dem = dem * val

bool dem_plus	(	const char *	dem1_name,
		const char *	dem2_name
	)

Tcl syntax:

dem_plus dem1_name dem2_name

Description:

Performs operation with DEMs cells values: dem1 = dem1 + dem2

bool dem_plus_real	(	REAL	val,
		const char *	dem_name = "*"
	)

Tcl syntax:

dem_plus_real val dem_name

Description:

Performs operation with DEMs cells values: dem = dem + val

bool dem_project	(	const char *	newname,
		const char *	dem_name = "*"
	)

Tcl syntax:

dem_project "newname" dem_name

Description:

recalculates d_dem "DEM" on grid using bilinear interpolation algorithm

bool dem_resid	(	const char *	filename,
		const char *	dem_name = "*",
		const char *	points_name = "*"
	)

Tcl syntax:

dem_resid "filename" dem_name points_name

Description:

calculates residuals between points and DEM Saves result to text file.

bool dem_set	(	const char *	dem1_name,
		const char *	dem2_name
	)

Tcl syntax:

dem_set dem1_name dem2_name

Description:

Performs operation with DEMs cells values: dem1 = dem2

bool dem_set_real	(	REAL	val,
		const char *	dem_name = "*"
	)

Tcl syntax:

dem_set_real val dem_name

Description:

Performs operation with DEMs cells values: dem = val