/*- * $Log$ * Revision 2.1 2006-02-09 03:08:54 glynn * Use etc rather than * * Revision 2.0 2004/11/09 13:06:32 bernhard * copied within CVS repository from grass/src/include/site.h * * Revision 1.7 2000/10/09 01:57:03 eric * Added ability to ignore z-value completely using field=SITE_COL_NUL * * Revision 1.6 2000/10/07 21:23:24 eric * Added Cell_head *region parameter. Now respects region! Fixed index bug for * dimensions. * * Revision 1.5 2000/10/06 04:13:53 eric * Added the G_readsites_xyz() function and related G_alloc_site_xyz() and * G_free_site_xyz() convenience functions. Will send Markus a short LaTeX * documentation and example... * * Revision 1.4 2000/01/02 12:23:20 markus * again comments fixed * * Revision 1.3 2000/01/02 12:21:47 markus * comments fixed * * Revision 1.2 2000/01/02 12:18:16 markus * Bill Hughes: some variable types fixed * * Revision 1.1.1.1 1999/12/29 15:10:23 markus * initial CVS import * * Revision 1.13 1996/05/23 brown - brown@gomez.gis.uiuc.edu * changed DateTime stuff to use TimeStamp instead * * Revision 1.12 1995/07/17 11:16:26 mccauley * took out has_cat and made part of struct * support for floating point categories * * Revision 1.11 1995/06/20 10:26:48 mccauley * moved prototypes to external file: P_site.h * * Revision 1.10 1995/05/24 00:05:58 mccauley * added DateTime stuff * * Revision 1.9 1995/04/17 22:58:24 mccauley * added "typedef struct ... Site_head;" * * Revision 1.8 1995/02/22 02:46:20 mccauley * added sites functions from 4.1 that we'll keep. * * Revision 1.7 1995/02/22 02:25:28 mccauley * changed names of functions to G_site_xxx(). * * Revision 1.6 1995/02/22 02:16:41 mccauley * increased MAX_SITE_LEN and MAX_SITE_STRING on suggestion * of Michael Shapiro . * * Revision 1.5 1995/02/21 07:56:11 mccauley * added pragma ident * * Revision 1.4 1995/02/21 07:28:18 mccauley * added qsort comparison function definitions. * * Revision 1.3 1995/02/08 23:10:46 mccauley * added prototype for G_guess_site_fmt. * * Revision 1.2 1995/02/07 23:18:00 mccauley * added prototypes for G_new_get_site and G_new_put_site * * Revision 1.1 1995/02/07 21:00:51 mccauley * Initial revision * */ /*- * easting|northing|[z|[d4|]...][#category] [ [@attr_text OR %flt] ... ] * * to allow multidimensions (everything preceding the last '|') and any * number of text or numeric attribute fields. */ #define MAX_SITE_STRING 1024 #define MAX_SITE_LEN 4096 typedef struct { double east, north; double *dim; int dim_alloc; RASTER_MAP_TYPE cattype; CELL ccat; FCELL fcat; DCELL dcat; int str_alloc; char **str_att; int dbl_alloc; double *dbl_att; } Site; typedef struct { const char *name, *desc, *form, *labels, *stime; struct TimeStamp *time; } Site_head; /* ========================================================================== * * G_readsites_xyz(): New implementation of the readsites() library * * function limited generating an xyz array SITE_XYZ. * * ========================================================================== * * Copyright (c) 2000 Eric G. Miller * * -------------------------------------------------------------------------- * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * * (at your option) any later version. * * * * This program 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 General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software * * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * -------------------------------------------------------------------------- * */ /* Some defines for which column type to use */ #define SITE_COL_NUL 0 #define SITE_COL_DIM 1 #define SITE_COL_DBL 2 #define SITE_COL_STR 3 /* The XYZ site struct. Note the use of a union for the cat value is * different than the Site struct. */ typedef struct { double x, y, z; RASTER_MAP_TYPE cattype; union { double d; float f; int c; } cat; } SITE_XYZ; /* Allocate 'num' SITE_XYZ structs. Returns NULL on failure */ SITE_XYZ *G_alloc_site_xyz(size_t); /* Free the array of SITE_XYZ struct */ void G_free_site_xyz(SITE_XYZ *); /* G_readsites_xyz: Reads a sites file converting to a site struct of xyz * values and the cat value. The Z value can come from one of the * n-dimensions, a double attribute, or a string attribute converted to a * double with strtod(). The 'size' must not be greater than the number * of elements in the SITE_XYZ array, or bad things will happen. The number * of records read is returned or EOF on end of file. NOTE: EOF won't be * returned unless no records are read and the EOF bit is set. It's safe * to assume that if the number of records read is less than the size of * the array, that there aren't any more records. */ int G_readsites_xyz(FILE *, /* The FILE stream to the sites file */ int, /* Attribute type: SITE_COL_DIM, etc... */ int, /* The field index (1 based) for the attribute */ int, /* Size of the array */ struct Cell_head *, /* Respect region if not NULL */ SITE_XYZ * xyz /* The site array of size 'size' */ ); #include