--- /dev/null
+#---------------------------------------------------------------------------
+# Makefile
+#
+# Written by Curtis Olson, started October 1997.
+#
+# Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
+#
+# 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)
+#---------------------------------------------------------------------------
+
+
+TARGET = tri2obj
+
+CFILES = tri2obj.c
+OFILES = $(CFILES:.c=.o)
+
+
+include ../make.inc
+
+
+CFLAGS = $(FG_CFLAGS) -g
+
+
+#---------------------------------------------------------------------------
+# Primary Targets
+#---------------------------------------------------------------------------
+
+all: $(TARGET)
+
+$(TARGET): $(OFILES)
+ $(CC) $(OFILES) -o $(TARGET)
+
+clean:
+ rm -f *.o $(TARGET) lib*.a *.os2 *~ core
+
+realclean: clean
+
+
+#---------------------------------------------------------------------------
+# Secondary Targets
+#---------------------------------------------------------------------------
+
+makedepend:
+ $(CC) -MM *.c > depend
+
+include depend
+
+tri2obj.o: tri2obj.c
+ $(CC) $(CFLAGS) -c tri2obj.c -o $@
+
+
+#---------------------------------------------------------------------------
+# $Log$
+# Revision 1.1 1997/10/29 23:05:14 curt
+# Initial revision.
+#
+# Revision 1.1 1997/10/23 23:12:09 curt
+# Initial revision.
+#
--- /dev/null
+/* tri2obj.c -- read in a .ele/.node file pair generated by the triangle
+ * program and output a simple Wavefront .obj file.
+ *
+ * Written by Curtis Olson, started October 1997.
+ *
+ * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
+ *
+ * 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>
+
+#include "tri2obj.h"
+
+
+int nodecount, tricount;
+double nodes[MAX_NODES][3];
+int tris[MAX_TRIS][3];
+int new_tris[MAX_TRIS][3];
+
+
+/* Initialize a new mesh structure */
+void triload(char *basename) {
+ char nodename[256], elename[256];
+ FILE *node, *ele;
+ int dim, junk1, junk2;
+ int i;
+
+ strcpy(nodename, basename);
+ strcat(nodename, ".node");
+ strcpy(elename, basename);
+ strcat(elename, ".ele");
+
+ printf("Loading node file: %s ...\n", nodename);
+ if ( (node = fopen(nodename, "r")) == NULL ) {
+ printf("Cannot open file '%s'\n", nodename);
+ 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);
+
+ printf("Loading element file: %s ...\n", elename);
+ if ( (ele = fopen(elename, "r")) == NULL ) {
+ printf("Cannot open file '%s'\n", elename);
+ exit(-1);
+ }
+
+ fscanf(ele, "%d %d %d", &tricount, &junk1, &junk2);
+
+ if ( tricount > MAX_TRIS - 1 ) {
+ printf("Error, too many elements, need to increase array size\n");
+ exit(-1);
+ } else {
+ printf(" Expecting %d elements\n", tricount);
+ }
+
+ for ( i = 1; i <= tricount; i++ ) {
+ fscanf(ele, "%d %d %d %d\n", &junk1,
+ &tris[i][0], &tris[i][1], &tris[i][2]);
+ /* printf("%d %d %d %d\n", junk1, tris[i][0], tris[i][1], tris[i][2]);*/
+ }
+
+ fclose(ele);
+}
+
+
+/* dump in WaveFront .obj format */
+void dump_obj(char *basename) {
+ char objname[256];
+ FILE *obj;
+ int i;
+
+ strcpy(objname, basename);
+ strcat(objname, ".obj");
+
+ printf("Dumping to file: %s ...\n", objname);
+
+ obj = fopen(objname, "w");
+
+ /* dump vertices */
+ for ( i = 1; i <= nodecount; i++ ) {
+ fprintf(obj, "v %.2f %.2f %.2f\n",
+ nodes[i][0], nodes[i][1], nodes[i][2]);
+ }
+
+ /* dump faces */
+ for ( i = 1; i <= tricount; i++ ) {
+ fprintf(obj, "f %d %d %d\n", tris[i][0], tris[i][1], tris[i][2]);
+ }
+
+ fclose(obj);
+}
+
+int main(int argc, char **argv) {
+ char basename[256];
+
+ strcpy(basename, argv[1]);
+
+ /* load the input data files */
+ triload(basename);
+
+ /* dump in WaveFront .obj format */
+ dump_obj(basename);
+
+ return(0);
+}
+
+
+/* $Log$
+/* Revision 1.1 1997/10/29 23:05:15 curt
+/* Initial revision.
+/*
+ */
--- /dev/null
+/* tri2obj.h -- read in a .ele/.node file pair generated by the triangle
+ * program and output a Wavefront .obj file.
+ *
+ * Written by Curtis Olson, started October 1997.
+ *
+ * Copyright (C) 1997 Curtis L. Olson - curt@infoplane.com
+ *
+ * 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)
+ */
+
+
+#ifndef TRI2OBJ_H
+#define TRI2OBJ_H
+
+
+#include <stdio.h>
+#include <string.h>
+
+
+#define MAX_NODES 100000
+#define MAX_TRIS 200000
+
+
+extern int nodecount, tricount;
+extern double nodes[MAX_NODES][3];
+extern int tris[MAX_TRIS][3];
+extern int new_tris[MAX_TRIS][3];
+
+
+/* Initialize a new mesh structure */
+void triload(char *basename);
+
+
+#endif /* TRI2OBJ_H */
+
+
+/* $Log$
+/* Revision 1.1 1997/10/29 23:05:15 curt
+/* Initial revision.
+/*
+ */
projects / flightgear.git / commitdiff