exag.c File Reference

Nviz library – Exaggeration functions. More...

#include <grass/nviz.h>

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Functions
int	Nviz_get_exag_height (double *val, double *min, double *max)
	Get view height. More...
double	Nviz_get_exag (void)
	Get view z-exag value. More...

Detailed Description

Nviz library – Exaggeration functions.

Based on visualization/nviz/src/exag.c

(C) 2008, 2010 by 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.

Author

Updated/modified by Martin Landa <landa.martin gmail.com> (Google SoC 2008/2010)

Definition in file exag.c.

Function Documentation

Nviz_get_exag()

double Nviz_get_exag

(

void

)

Get view z-exag value.

Call after initial data has been loaded

Returns

value

Definition at line 77 of file exag.c.

References G_debug(), G_free(), GS_get_exag_guess(), and GS_get_surf_list().

Nviz_get_exag_height()

int Nviz_get_exag_height	(	double *	val,
		double *	min,
		double *	max
	)

Get view height.

Call after initial data has been loaded

Parameters

[out]	val	height value
[out]	min	min value (or NULL)
[out]	max	max value (or NULL)

Returns

1

Definition at line 29 of file exag.c.

References G_debug(), GS_get_exag_guess(), GS_get_longdim(), GS_get_surf_list(), GS_get_zrange_nz(), max, and min.