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EightNbr.h File Reference

Routines for iterating over neighborhoods with eight degrees of freedom. More...

#include <stdlib.h>

Go to the source code of this file.

Defines
#define	EIGHTNBR_NUM_NBR_CELLS   (8)
	identifies number of neigbors associated with a cell. More...
#define	EIGHTNBR_ROW_INDEX_AT_AZIMUTH(i, azimuth)    ((i) + egtnbr_row[azimuth])
	macro used to retrieve nbr cell index at various azimuths. More...
#define	EIGHTNBR_COL_INDEX_AT_AZIMUTH(j, azimuth)    ((j) + egtnbr_col[azimuth])
	macro used to retrieve nbr cell index at various azimuths. More...
#define	EIGHTNBR_AZIMUTH_AS_DBL(azimuth)    (egtnbr_az[(azimuth)])
	macro used to retrieve azimuth as double. More...
#define	EIGHTNBR_CART_DIST_AT_AZIMUTH(azimuth, cellsz)    (((egtnbr_dist[(azimuth)]) * (cellsz)))
	macro used to retrieve cartesian distance at azimuth. More...

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Detailed Description

Routines for iterating over neighborhoods with eight degrees of freedom.

Author(s):

Marco Morais

Date:

2000-2001

HFire (Highly Optmized Tolerance Fire Spread Model) Library Copyright (C) 2001 Marco Morais

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

Definition in file EightNbr.h.

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Define Documentation

#define EIGHTNBR_AZIMUTH_AS_DBL( azimuth )   (egtnbr_az[(azimuth)])

macro used to retrieve azimuth as double. Definition at line 91 of file EightNbr.h.

#define EIGHTNBR_CART_DIST_AT_AZIMUTH( azimuth, cellsz )   (((egtnbr_dist[(azimuth)]) * (cellsz)))

macro used to retrieve cartesian distance at azimuth. Definition at line 96 of file EightNbr.h.

#define EIGHTNBR_COL_INDEX_AT_AZIMUTH( j, azimuth )   ((j) + egtnbr_col[azimuth])

macro used to retrieve nbr cell index at various azimuths. Definition at line 86 of file EightNbr.h.

#define EIGHTNBR_NUM_NBR_CELLS   (8)

identifies number of neigbors associated with a cell. Definition at line 40 of file EightNbr.h.

#define EIGHTNBR_ROW_INDEX_AT_AZIMUTH( i, azimuth )   ((i) + egtnbr_row[azimuth])

macro used to retrieve nbr cell index at various azimuths. Definition at line 81 of file EightNbr.h.

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Enumeration Type Documentation

anonymous enum

Definition at line 43 of file EightNbr.h.

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