init2d.c File Reference

Initialization of interpolation library data structures. More...

#include <stdio.h>
#include <math.h>
#include <unistd.h>
#include <grass/gis.h>
#include <grass/interpf.h>

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Functions
void	IL_init_params_2d (struct interp_params *params, FILE *inp, int elatt, int smatt, double zm, int k1, int k2, char *msk, int rows, int cols, DCELL *ar1, DCELL *ar2, DCELL *ar3, DCELL *ar4, DCELL *ar5, DCELL *ar6, double tension, int k3, int sc1, int sc2, int sc3, double sm, char *f1, char *f2, char *f3, char *f4, char *f5, char *f6, double dm, double x_or, double y_or, int der, double tet, double scl, FILE *t1, FILE *t2, FILE *t3, FILE *t4, FILE *t5, FILE *t6, FILE *dev, struct TimeStamp *ts, int c, const char *wheresql)
void	IL_init_func_2d (struct interp_params *params, grid_calc_fn *grid_f, matrix_create_fn *matr_f, check_points_fn *point_f, secpar_fn *secp_f, interp_fn *interp_f, interpder_fn *interpder_f, wr_temp_fn *temp_f)

Detailed Description

Initialization of interpolation library data structures.

Author

H. Mitasova, I. Kosinovsky, D. Gerdes Fall 1993 (original authors)

modified by McCauley in August 1995

modified by Mitasova in August 1995

modified by Brown in June 1999 - added elatt & smatt

Copyright

(C) 1993-1999 by Helena Mitasova and the GRASS Development Team

This program is free software under the GNU General Public License (>=v2). Read the file COPYING that comes with GRASS for details.

Definition in file init2d.c.

Function Documentation

IL_init_func_2d()

void IL_init_func_2d	(	struct interp_params *	params,
		grid_calc_fn *	grid_f,
		matrix_create_fn *	matr_f,
		check_points_fn *	point_f,
		secpar_fn *	secp_f,
		interp_fn *	interp_f,
		interpder_fn *	interpder_f,
		wr_temp_fn *	temp_f
	)

Initializes functions used by the library

Parameters

grid_f	calculates grid for given segment
matr_f	creates matrix for a given segment
point_f	checks interpolation function at points
secp_f	calculates aspect, slope, curvature
interp_f	radial basis function
interpder_f	derivatives of radial basis function
temp_f	writes temp files

Definition at line 109 of file init2d.c.

References interp_params::check_points, interp_params::grid_calc, interp_params::interp, interp_params::interpder, interp_params::matrix_create, interp_params::secpar, and interp_params::wr_temp.

IL_init_params_2d()

void IL_init_params_2d	(	struct interp_params *	params,
		FILE *	inp,
		int	elatt,
		int	smatt,
		double	zm,
		int	k1,
		int	k2,
		char *	msk,
		int	rows,
		int	cols,
		DCELL *	ar1,
		DCELL *	ar2,
		DCELL *	ar3,
		DCELL *	ar4,
		DCELL *	ar5,
		DCELL *	ar6,
		double	tension,
		int	k3,
		int	sc1,
		int	sc2,
		int	sc3,
		double	sm,
		char *	f1,
		char *	f2,
		char *	f3,
		char *	f4,
		char *	f5,
		char *	f6,
		double	dm,
		double	x_or,
		double	y_or,
		int	der,
		double	tet,
		double	scl,
		FILE *	t1,
		FILE *	t2,
		FILE *	t3,
		FILE *	t4,
		FILE *	t5,
		FILE *	t6,
		FILE *	dev,
		struct TimeStamp *	ts,
		int	c,
		const char *	wheresql
	)

Initializes parameters used by the library

Parameters

inp	input stream
elatt	which fp att in sites file? 1 = first
smatt	which fp att in sites file to use for smoothing? (if zero use sm) 1 = first
zm	multiplier for z-values
k1	min number of points per segment for interpolation
k2	max number of points per segment
msk	name of mask
cols	number of rows and columns
ar6	arrays for interpolated values (ar1-ar6)
tension	tension
k3	max number of points for interpolation
sc3	multipliers for interpolation values
sm	smoothing
f6	output files (f1-f6)
dm	min distance between points
x_or	x of origin
y_or	y of origin
der	1 if compute partial derivatives
tet	anisotropy angle (0 is East, counter-clockwise)
scl	anisotropy scaling factor
t6	temp files for writing interp. values (t1-t6)
dev	pointer to deviations file
c	cross validation
wheresql	SQL WHERE statement

Definition at line 31 of file init2d.c.