zero_cell.c File Reference

Raster Library - Zero cell buffer functions. More...

#include <string.h>
#include <grass/gis.h>
#include <grass/raster.h>

Include dependency graph for zero_cell.c:

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Functions
void	Rast_zero_buf (void *rast, RASTER_MAP_TYPE data_type)
	Zero a raster buffer.
void	Rast_zero_input_buf (void *rast, RASTER_MAP_TYPE data_type)
void	Rast_zero_output_buf (void *rast, RASTER_MAP_TYPE data_type)

Detailed Description

Raster Library - Zero cell buffer functions.

SPDX-FileCopyrightText: 2001-2009 GRASS Development Team SPDX-License-Identifier: GPL-2.0-or-later

Author

Original author CERL

Definition in file zero_cell.c.

Function Documentation

Rast_zero_buf()

void Rast_zero_buf	(	void *	rast,
		RASTER_MAP_TYPE	data_type
	)

Zero a raster buffer.

This routines assigns each member of the raster buffer array rast to zero. It assumes that rast has been allocated using Rast_allocate_c_buf().

Parameters

rast	data buffer
data_type	raster type (CELL_TYPE, FCELL_TYPE, DCELL_TYPE)

Definition at line 26 of file zero_cell.c.

References Rast_cell_size(), and Rast_window_cols().

Rast_zero_input_buf()

void Rast_zero_input_buf	(	void *	rast,
		RASTER_MAP_TYPE	data_type
	)

Definition at line 31 of file zero_cell.c.

References Rast_cell_size(), and Rast_input_window_cols().

Rast_zero_output_buf()

void Rast_zero_output_buf	(	void *	rast,
		RASTER_MAP_TYPE	data_type
	)

Definition at line 36 of file zero_cell.c.

References Rast_cell_size(), and Rast_output_window_cols().