set_window.c File Reference

Raster Library - Set window (map region) More...

#include <grass/gis.h>
#include <grass/raster.h>
#include <grass/glocale.h>
#include "../gis/G.h"
#include "R.h"

Include dependency graph for raster/set_window.c:

Go to the source code of this file.

Functions
void	Rast__init_window (void)
void	Rast_set_window (struct Cell_head *window)
	Establishes 'window' as the current working window.
void	Rast_unset_window (void)
	Unset current window.
void	Rast_set_output_window (struct Cell_head *window)
	Establishes 'window' as the current working window for output.
void	Rast_set_input_window (struct Cell_head *window)
	Establishes 'window' as the current working window for input.

Detailed Description

Raster Library - Set window (map region)

(C) 2001-2009 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

Original author CERL

Definition in file raster/set_window.c.

Function Documentation

Rast__init_window()

void Rast__init_window

(

void

)

Definition at line 24 of file raster/set_window.c.

References G__init_window(), G_initialize_done(), G_is_initialized(), R__::rd_window, R__::split_window, G__::window, R__::window_set, and R__::wr_window.

Referenced by Rast_create_gdal_link(), Rast_get_input_window(), Rast_get_output_window(), Rast_get_window(), Rast_input_window_cols(), Rast_input_window_rows(), Rast_output_window_cols(), Rast_output_window_rows(), Rast_window_cols(), and Rast_window_rows().

Rast_set_input_window()

void Rast_set_input_window

(

struct Cell_head *

window

)

Establishes 'window' as the current working window for input.

Any opened cell files has its file-to-window mapping reworked.

Parameters

window

window to become operative window

Definition at line 97 of file raster/set_window.c.

References G_adjust_Cell_head(), Rast__init(), R__::rd_window, and R__::split_window.

Rast_set_output_window()

void Rast_set_output_window

(

struct Cell_head *

window

)

Establishes 'window' as the current working window for output.

Parameters

window

window to become operative window

Definition at line 76 of file raster/set_window.c.

References G_adjust_Cell_head(), G_set_window(), Rast__init(), R__::split_window, and R__::wr_window.

Referenced by IL_resample_output_2d().

Rast_set_window()

void Rast_set_window

(

struct Cell_head *

window

)

Establishes 'window' as the current working window.

Parameters

window

window to become operative window

Definition at line 43 of file raster/set_window.c.

References _, G_adjust_Cell_head(), G_warning(), Rast__init(), R__::rd_window, R__::split_window, and R__::wr_window.

Referenced by D_setup(), I_compute_scatts(), I_insert_patch_to_cat_rast(), IL_output_2d(), and N_init_geom_data_2d().

Rast_unset_window()

void Rast_unset_window

(

void

)

Unset current window.

Definition at line 64 of file raster/set_window.c.

References G_debug(), and R__::window_set.