// triload.cxx -- read in a .node file and fix the z values of the 
//                interpolated points
//
// Written by Curtis Olson, started November 1997.
//
// Copyright (C) 1997 - 1998  Curtis L. Olson  - curt@me.umn.edu
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
// (Log is kept at end of this file)


#include <stdio.h>
#include <string.h>

#ifdef HAVE_STDLIB_H
#  include <stdlib.h>
#endif // HAVE_STDLIB_H

#include "triload.hxx"


int nodecount;


// load the node information
void triload(char *filename, double nodes[MAX_NODES][3]) {
    FILE *node;
    int dim, junk1, junk2;
    int i;

    printf("Loading node file:  %s ...\n", filename);
    if ( (node = fopen(filename, "r")) == NULL ) {
	printf("Cannot open file '%s'\n", filename);
	exit(-1);
    }

    fscanf(node, "%d %d %d %d", &nodecount, &dim, &junk1, &junk2);

    if ( nodecount > MAX_NODES - 1 ) {
	printf("Error, too many nodes, need to increase array size\n");
	exit(-1);
    } else {
	printf("    Expecting %d nodes\n", nodecount);
    }

    for ( i = 1; i <= nodecount; i++ ) {
	fscanf(node, "%d %lf %lf %lf %d\n", &junk1, 
	       &nodes[i][0], &nodes[i][1], &nodes[i][2], &junk2);
	// printf("%d %.2f %.2f %.2f\n", junk1, nodes[i][0], nodes[i][1], 
	// nodes[i][2]);
    }

    fclose(node);
}


// $Log$
// Revision 1.2  1998/04/26 05:02:06  curt
// Added #ifdef HAVE_STDLIB_H
//
// Revision 1.1  1998/04/08 23:05:58  curt
// Adopted Gnu automake/autoconf system.
//
// Revision 1.3  1998/03/03 16:00:59  curt
// More c++ compile tweaks.
//
// Revision 1.2  1998/01/09 23:03:09  curt
// Restructured to split 1deg x 1deg dem's into 64 subsections.
//
// Revision 1.1  1997/11/27 00:17:35  curt
// Initial revision.
//