89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
/* fixnode.c -- traverse the node file and fix the elevation of all the new
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* interpolated points.
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*
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* Written by Curtis Olson, started November 1997.
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*
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* Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id$
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* (Log is kept at end of this file)
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "fixnode.h"
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#include "../Dem2node/mesh.h"
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#include "triload.h"
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/* load the node information */
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void fixnodes(char *filename, struct MESH *m) {
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char toname[256];
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FILE *fd;
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int i;
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printf("Fixing up node elevations\n");
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/* we could just fix the new nodes as the first "for" statement
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* would do, but that leads to funny results (I need to figure out
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* why.) So, let's try fixing all of them */
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/* for ( i = origcount + 1; i <= nodecount; i++ ) { */
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for ( i = 1; i <= nodecount; i++ ) {
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/* printf("Current: %d %.2f %.2f %.2f\n", i, nodes[i][0],
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nodes[i][1], nodes[i][2]); */
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nodes[i][2] = mesh_altitude(m, nodes[i][0], nodes[i][1]);
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/* printf("Fixed: %d %.2f %.2f %.2f\n", i, nodes[i][0],
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nodes[i][1], nodes[i][2]); */
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}
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sprintf(toname, "%s.orig", filename);
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printf("Moving %s to %s\n", filename, toname);
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rename(filename, toname);
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printf("Saving new node file: %s\n", filename);
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fd = fopen(filename, "w");
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fprintf(fd, "%d 2 1 0\n", nodecount);
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for ( i = 1; i <= nodecount; i++ ) {
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fprintf(fd, "%d %.2f %.2f %.2f 0\n", i, nodes[i][0],
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nodes[i][1], nodes[i][2]);
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}
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fclose(fd);
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}
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/* $Log$
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/* Revision 1.3 1998/01/09 23:03:08 curt
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/* Restructured to split 1deg x 1deg dem's into 64 subsections.
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/*
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* Revision 1.2 1997/12/02 13:12:07 curt
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* Updated to fix every node.
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*
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* Revision 1.1 1997/11/27 00:17:33 curt
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* Initial revision.
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*
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*/
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