bin_PROGRAMS = assemtris
-assemtris_SOURCES = assemtris.c assemtris.h
+assemtris_SOURCES = assemtris.cxx assemtris.hxx
assemtris_LDADD = \
$(top_builddir)/Lib/Bucket/libBucket.a
#---------------------------------------------------------------------------
# $Log$
+# Revision 1.4 1998/09/25 19:35:25 curt
+# Renamed assemtris.[ch] to assemtris.[ch]xx
+#
# Revision 1.3 1998/07/30 23:49:23 curt
# Removed libtool support.
#
+++ /dev/null
-/* splittris.c -- reassemble the pieces produced by splittris
- *
- * Written by Curtis Olson, started January 1998.
- *
- * 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 <math.h>
-#include <stdio.h>
-#include <stdlib.h> /* for atoi() */
-#include <string.h>
-#include <sys/stat.h> /* for stat() */
-#include <unistd.h> /* for stat() */
-
-#include "assemtris.h"
-
-#include <Include/fg_constants.h>
-#include <Include/fg_types.h>
-#include <Bucket/bucketutils.h>
-
-
-/*
-#define OFFSET_LON 0.1
-#define OFFSET_LAT 0.1
-*/
-
-#define OFFSET_LON 0.0
-#define OFFSET_LAT 0.0
-
-int nodecount = 0;
-int excount = 0;
-
-static double nodes[MAX_NODES][3];
-static double exnodes[MAX_NODES][3];
-
-
-fgBUCKET my_index;
-fgBUCKET ne_index, nw_index, sw_index, se_index;
-fgBUCKET north_index, south_index, east_index, west_index;
-
-
-/* return the file base name ( foo/bar/file.ext = file.ext ) */
-void extract_file(char *in, char *base) {
- int len, i;
-
- len = strlen(in);
-
- i = len - 1;
- while ( (i >= 0) && (in[i] != '/') ) {
- i--;
- }
-
- in += (i + 1);
- strcpy(base, in);
-}
-
-
-/* return the file path name ( foo/bar/file.ext = foo/bar ) */
-void extract_path(char *in, char *base) {
- int len, i;
-
- len = strlen(in);
- strcpy(base, in);
-
- i = len - 1;
- while ( (i >= 0) && (in[i] != '/') ) {
- i--;
- }
-
- base[i] = '\0';
-}
-
-
-/* check to see if specified node is in the extra list */
-int is_extra_node(double *n) {
- int i;
-
- for ( i = 1; i <= excount; i++ ) {
- // we only check lon/lat in case the height got fooled with
- // along the way
- if ( (fabs(n[0] - exnodes[i][0]) < FG_EPSILON) &&
- (fabs(n[1] - exnodes[i][1]) < FG_EPSILON) ) {
- return(i);
- }
- }
-
- return(0);
-}
-
-/* Read all the extra nodes. These typically define inner areas to
- exclude from triangulations. There will be a .poly file that
- refers to these by position number which assumes all the extra
- nodes come first in the generated .node file. */
-void read_extra_nodes(char *exfile) {
- FILE *fd;
- int i, junk1, junk2, junk3;
-
- // load extra nodes if they exist
- excount = 0;
- if ( (fd = fopen(exfile, "r")) != NULL ) {
- printf("Found and 'extra' node file = %s\n", exfile);
- fscanf(fd, "%d %d %d %d", &excount, &junk1, &junk2, &junk3);
-
- if ( excount > MAX_NODES - 1 ) {
- printf("Error, too many 'extra' nodes, increase array size\n");
- exit(-1);
- } else {
- printf(" Expecting %d 'extra' nodes\n", excount);
- }
-
- for ( i = 1; i <= excount; i++ ) {
- fscanf(fd, "%d %lf %lf %lf\n", &junk1,
- &exnodes[i][0], &exnodes[i][1], &exnodes[i][2]);
- printf("(extra) %d %.2f %.2f %.2f\n",
- i, exnodes[i][0], exnodes[i][1], exnodes[i][2]);
- }
- fclose(fd);
- }
-}
-
-
-/* check if a file exists */
-int file_exists(char *file) {
- struct stat stat_buf;
- int result;
-
- printf("checking %s ... ", file);
-
- result = stat(file, &stat_buf);
-
- if ( result != 0 ) {
- /* stat failed, no file */
- printf("not found.\n");
- return(0);
- } else {
- /* stat succeeded, file exists */
- printf("exists.\n");
- return(1);
- }
-}
-
-
-/* check to see if a shared object exists */
-int shared_object_exists(char *basepath, char *ext, char *file) {
- char scene_path[256];
- long int index;
-
- if ( strcmp(ext, ".sw") == 0 ) {
- fgBucketGenBasePath(&my_index, scene_path);
- index = fgBucketGenIndex(&my_index);
- sprintf(file, "%s/%s/%ld.1.sw", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&west_index, scene_path);
- index = fgBucketGenIndex(&west_index);
- sprintf(file, "%s/%s/%ld.1.se", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&sw_index, scene_path);
- index = fgBucketGenIndex(&sw_index);
- sprintf(file, "%s/%s/%ld.1.ne", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&south_index, scene_path);
- index = fgBucketGenIndex(&south_index);
- sprintf(file, "%s/%s/%ld.1.nw", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- }
-
- if ( strcmp(ext, ".se") == 0 ) {
- fgBucketGenBasePath(&my_index, scene_path);
- index = fgBucketGenIndex(&my_index);
- sprintf(file, "%s/%s/%ld.1.se", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&east_index, scene_path);
- index = fgBucketGenIndex(&east_index);
- sprintf(file, "%s/%s/%ld.1.sw", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&se_index, scene_path);
- index = fgBucketGenIndex(&se_index);
- sprintf(file, "%s/%s/%ld.1.nw", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&south_index, scene_path);
- index = fgBucketGenIndex(&south_index);
- sprintf(file, "%s/%s/%ld.1.ne", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- }
-
- if ( strcmp(ext, ".ne") == 0 ) {
- fgBucketGenBasePath(&my_index, scene_path);
- index = fgBucketGenIndex(&my_index);
- sprintf(file, "%s/%s/%ld.1.ne", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&east_index, scene_path);
- index = fgBucketGenIndex(&east_index);
- sprintf(file, "%s/%s/%ld.1.nw", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&ne_index, scene_path);
- index = fgBucketGenIndex(&ne_index);
- sprintf(file, "%s/%s/%ld.1.sw", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&north_index, scene_path);
- index = fgBucketGenIndex(&north_index);
- sprintf(file, "%s/%s/%ld.1.se", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- }
-
- if ( strcmp(ext, ".nw") == 0 ) {
- fgBucketGenBasePath(&my_index, scene_path);
- index = fgBucketGenIndex(&my_index);
- sprintf(file, "%s/%s/%ld.1.nw", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&west_index, scene_path);
- index = fgBucketGenIndex(&west_index);
- sprintf(file, "%s/%s/%ld.1.ne", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&nw_index, scene_path);
- index = fgBucketGenIndex(&nw_index);
- sprintf(file, "%s/%s/%ld.1.se", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&north_index, scene_path);
- index = fgBucketGenIndex(&north_index);
- sprintf(file, "%s/%s/%ld.1.sw", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- }
-
- if ( strcmp(ext, ".south") == 0 ) {
- fgBucketGenBasePath(&my_index, scene_path);
- index = fgBucketGenIndex(&my_index);
- sprintf(file, "%s/%s/%ld.1.south", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&south_index, scene_path);
- index = fgBucketGenIndex(&south_index);
- sprintf(file, "%s/%s/%ld.1.north", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- }
-
- if ( strcmp(ext, ".north") == 0 ) {
- fgBucketGenBasePath(&my_index, scene_path);
- index = fgBucketGenIndex(&my_index);
- sprintf(file, "%s/%s/%ld.1.north", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&north_index, scene_path);
- index = fgBucketGenIndex(&north_index);
- sprintf(file, "%s/%s/%ld.1.south", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- }
-
- if ( strcmp(ext, ".west") == 0 ) {
- fgBucketGenBasePath(&my_index, scene_path);
- index = fgBucketGenIndex(&my_index);
- sprintf(file, "%s/%s/%ld.1.west", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&west_index, scene_path);
- index = fgBucketGenIndex(&west_index);
- sprintf(file, "%s/%s/%ld.1.east", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- }
-
- if ( strcmp(ext, ".east") == 0 ) {
- fgBucketGenBasePath(&my_index, scene_path);
- index = fgBucketGenIndex(&my_index);
- sprintf(file, "%s/%s/%ld.1.east", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- fgBucketGenBasePath(&east_index, scene_path);
- index = fgBucketGenIndex(&east_index);
- sprintf(file, "%s/%s/%ld.1.west", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- }
-
- if ( strcmp(ext, ".body") == 0 ) {
- fgBucketGenBasePath(&my_index, scene_path);
- index = fgBucketGenIndex(&my_index);
- sprintf(file, "%s/%s/%ld.1.body", basepath, scene_path, index);
- if ( file_exists(file) ) {
- return(1);
- }
- }
-
- return(0);
-}
-
-
-/* my custom file opening routine ... don't open if a shared edge or
- * vertex alread exists */
-FILE *my_open(char *basename, char *basepath, char *ext) {
- FILE *fp;
- char filename[256];
-
- /* check if a shared object already exists */
- if ( shared_object_exists(basepath, ext, filename) ) {
- /* not an actual file open error, but we've already got the
- * shared edge, so we don't want to create another one */
- fp = fopen(filename, "r");
- printf("Opening %s\n", filename);
- return(fp);
- } else {
- /* open the file */
- printf("not opening\n");
- return(NULL);
- }
-}
-
-
-/* given a file pointer, read all the gdn (geodetic nodes from it.)
- The specified offset values (in arcsec) are used to overlap the
- edges of the tile slightly to cover gaps induced by floating point
- precision problems. 1 arcsec == about 100 feet so 0.01 arcsec ==
- about 1 foot */
-void read_nodes(FILE *fp, double offset_lon, double offset_lat) {
- double n[3];
- char line[256];
- int ex_index;
-
- offset_lon = offset_lat = 0.0;
-
- while ( fgets(line, 250, fp) != NULL ) {
- if ( strncmp(line, "gdn ", 4) == 0 ) {
- sscanf(line, "gdn %lf %lf %lf\n", &n[0], &n[1], &n[2]);
-
- ex_index = is_extra_node(n);
-
- if ( ex_index == 0 ) {
- // not an extra node
- nodes[nodecount][0] = n[0] + offset_lon;
- nodes[nodecount][1] = n[1] + offset_lat;
- nodes[nodecount][2] = n[2];
-
- /*
- printf("read_nodes(%d) %.2f %.2f %.2f %s", nodecount,
- nodes[nodecount][0], nodes[nodecount][1],
- nodes[nodecount][2], line);
- */
-
- nodecount++;
- } else {
- // is an extra node
- printf("found extra node %.2f %.2f %.2f\n", n[0], n[1], n[2]);
- // preserve the DEM altitude for now
- exnodes[ex_index][2] = n[2];
- }
- }
- }
-}
-
-
-/* load in nodes from the various split and shared pieces to
- * reconstruct a tile */
-void build_node_list(char *basename, char *basepath) {
- char exfile[256];
- FILE *ne, *nw, *se, *sw, *north, *south, *east, *west, *body;
-
- // load extra nodes if they exist
- strcpy(exfile, basename);
- strcat(exfile, ".node.ex");
- read_extra_nodes(exfile);
-
- ne = my_open(basename, basepath, ".ne");
- read_nodes(ne, OFFSET_LON, OFFSET_LAT);
- fclose(ne);
-
- nw = my_open(basename, basepath, ".nw");
- read_nodes(nw, -1.0 * OFFSET_LON, OFFSET_LAT);
- fclose(nw);
-
- se = my_open(basename, basepath, ".se");
- read_nodes(se, OFFSET_LON, -1.0 * OFFSET_LAT);
- fclose(se);
-
- sw = my_open(basename, basepath, ".sw");
- read_nodes(sw, -1.0 * OFFSET_LON, -1.0 * OFFSET_LAT);
- fclose(sw);
-
- north = my_open(basename, basepath, ".north");
- read_nodes(north, 0.0, OFFSET_LAT);
- fclose(north);
-
- south = my_open(basename, basepath, ".south");
- read_nodes(south, 0.0, -1.0 * OFFSET_LAT);
- fclose(south);
-
- east = my_open(basename, basepath, ".east");
- read_nodes(east, OFFSET_LON, 0.0);
- fclose(east);
-
- west = my_open(basename, basepath, ".west");
- read_nodes(west, -1.0 * OFFSET_LON, 0.0);
- fclose(west);
-
- body = my_open(basename, basepath, ".body");
- read_nodes(body, 0.0, 0.0);
- fclose(body);
-}
-
-
-/* dump in WaveFront .obj format */
-void dump_nodes(char *basename) {
- char file[256];
- FILE *fd;
- int i;
-
- /* generate output file name */
- strcpy(file, basename);
- // len = strlen(file);
- // file[len-2] = '\0';
- strcat(file, ".node");
-
- /* dump vertices */
- printf("Creating node file: %s\n", file);
- printf(" writing vertices in .node format.\n");
- fd = fopen(file, "w");
-
- fprintf(fd, "%d 2 1 0\n", excount + nodecount);
-
- // now write out extra node data
- for ( i = 1; i <= excount; i++ ) {
- fprintf(fd, "%d %.2f %.2f %.2f 0\n",
- i, exnodes[i][0], exnodes[i][1], exnodes[i][2]);
- }
-
- /* now write out actual node data */
- for ( i = 0; i < nodecount; i++ ) {
- fprintf(fd, "%d %.2f %.2f %.2f 0\n", excount + i + 1,
- nodes[i][0], nodes[i][1], nodes[i][2]);
- }
-
- fclose(fd);
-}
-
-
-int main(int argc, char **argv) {
- char basename[256], basepath[256], temp[256];
- long int tmp_index;
- int len;
-
- // derive base name
- strcpy(basename, argv[1]);
- len = strlen(basename);
-
- /* find the base path of the file */
- extract_path(basename, basepath);
- extract_path(basepath, basepath);
- extract_path(basepath, basepath);
- printf("%s\n", basepath);
-
- /* find the index of the current file */
- extract_file(basename, temp);
- // len = strlen(temp);
- // if ( len >= 2 ) {
- // temp[len-2] = '\0';
- // }
- tmp_index = atoi(temp);
- printf("%ld\n", tmp_index);
- fgBucketParseIndex(tmp_index, &my_index);
-
- printf("bucket = %d %d %d %d\n",
- my_index.lon, my_index.lat, my_index.x, my_index.y);
- /* generate the indexes of the neighbors */
- fgBucketOffset(&my_index, &ne_index, 1, 1);
- fgBucketOffset(&my_index, &nw_index, -1, 1);
- fgBucketOffset(&my_index, &se_index, 1, -1);
- fgBucketOffset(&my_index, &sw_index, -1, -1);
-
- fgBucketOffset(&my_index, &north_index, 0, 1);
- fgBucketOffset(&my_index, &south_index, 0, -1);
- fgBucketOffset(&my_index, &east_index, 1, 0);
- fgBucketOffset(&my_index, &west_index, -1, 0);
-
- /*
- printf("Corner indexes = %ld %ld %ld %ld\n",
- ne_index, nw_index, sw_index, se_index);
- printf("Edge indexes = %ld %ld %ld %ld\n",
- north_index, south_index, east_index, west_index);
- */
-
- /* load the input data files */
- build_node_list(basename, basepath);
-
- /* dump in WaveFront .obj format */
- dump_nodes(basename);
-
- return(0);
-}
-
-
-/* $Log$
-/* Revision 1.13 1998/09/21 20:56:30 curt
-/* Changes to avoid setting airport area nodes back to their original
-/* elevations if they have been changed.
-/*
- *
- * Revision 1.12 1998/09/09 16:24:51 curt
- * Fixed a bug in the handling of exclude files which was causing
- * a crash by calling fclose() on an invalid file handle.
- * Removed overlapping offsets.
- *
- * Revision 1.11 1998/08/06 12:47:59 curt
- * Removed overlap in tiles as a test.
- *
- * Revision 1.10 1998/07/21 04:34:20 curt
- * Mods to handle extra nodes (i.e. preserve cutouts).
- *
- * Revision 1.9 1998/07/04 00:55:39 curt
- * typedef'd struct fgBUCKET.
- *
- * Revision 1.8 1998/06/01 17:58:19 curt
- * Added a slight border overlap to try to minimize pixel wide gaps between
- * tiles due to round off error. This is not a perfect solution, but helps.
- *
- * Revision 1.7 1998/04/14 02:26:00 curt
- * Code reorganizations. Added a Lib/ directory for more general libraries.
- *
- * Revision 1.6 1998/04/08 22:54:58 curt
- * Adopted Gnu automake/autoconf system.
- *
- * Revision 1.5 1998/03/03 16:00:52 curt
- * More c++ compile tweaks.
- *
- * Revision 1.4 1998/01/31 00:41:23 curt
- * Made a few changes converting floats to doubles.
- *
- * Revision 1.3 1998/01/27 18:37:00 curt
- * Lots of updates to get back in sync with changes made over in .../Src/
- *
- * Revision 1.2 1998/01/15 21:33:36 curt
- * Assembling triangles and building a new .node file with the proper shared
- * vertices now works. Now we just have to use the shared normals and we'll
- * be all set.
- *
- * Revision 1.1 1998/01/15 02:45:26 curt
- * Initial revision.
- *
- */
--- /dev/null
+// assemtris.c -- reassemble the pieces produced by splittris
+//
+// Written by Curtis Olson, started January 1998.
+//
+// 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 <math.h>
+#include <stdio.h>
+#include <stdlib.h> // for atoi()
+#include <string.h>
+#include <sys/stat.h> // for stat()
+#include <unistd.h> // for stat()
+
+#include "assemtris.h"
+
+#include <Include/fg_constants.h>
+#include <Include/fg_types.h>
+#include <Bucket/bucketutils.h>
+
+
+// #define OFFSET_LON 0.1
+// #define OFFSET_LAT 0.1
+
+#define OFFSET_LON 0.0
+#define OFFSET_LAT 0.0
+
+int nodecount = 0;
+int excount = 0;
+
+static double nodes[MAX_NODES][3];
+static double exnodes[MAX_NODES][3];
+
+
+fgBUCKET my_index;
+fgBUCKET ne_index, nw_index, sw_index, se_index;
+fgBUCKET north_index, south_index, east_index, west_index;
+
+
+// return the file base name ( foo/bar/file.ext = file.ext )
+void extract_file(char *in, char *base) {
+ int len, i;
+
+ len = strlen(in);
+
+ i = len - 1;
+ while ( (i >= 0) && (in[i] != '/') ) {
+ i--;
+ }
+
+ in += (i + 1);
+ strcpy(base, in);
+}
+
+
+// return the file path name ( foo/bar/file.ext = foo/bar )
+void extract_path(char *in, char *base) {
+ int len, i;
+
+ len = strlen(in);
+ strcpy(base, in);
+
+ i = len - 1;
+ while ( (i >= 0) && (in[i] != '/') ) {
+ i--;
+ }
+
+ base[i] = '\0';
+}
+
+
+// check to see if specified node is in the extra list
+int is_extra_node(double *n) {
+ int i;
+
+ for ( i = 1; i <= excount; i++ ) {
+ // we only check lon/lat in case the height got fooled with
+ // along the way
+ if ( (fabs(n[0] - exnodes[i][0]) < FG_EPSILON) &&
+ (fabs(n[1] - exnodes[i][1]) < FG_EPSILON) ) {
+ return(i);
+ }
+ }
+
+ return(0);
+}
+
+// Read all the extra nodes. These typically define inner areas to
+// exclude from triangulations. There will be a .poly file that
+// refers to these by position number which assumes all the extra
+// nodes come first in the generated .node file.
+void read_extra_nodes(char *exfile) {
+ FILE *fd;
+ int i, junk1, junk2, junk3;
+
+ // load extra nodes if they exist
+ excount = 0;
+ if ( (fd = fopen(exfile, "r")) != NULL ) {
+ printf("Found and 'extra' node file = %s\n", exfile);
+ fscanf(fd, "%d %d %d %d", &excount, &junk1, &junk2, &junk3);
+
+ if ( excount > MAX_NODES - 1 ) {
+ printf("Error, too many 'extra' nodes, increase array size\n");
+ exit(-1);
+ } else {
+ printf(" Expecting %d 'extra' nodes\n", excount);
+ }
+
+ for ( i = 1; i <= excount; i++ ) {
+ fscanf(fd, "%d %lf %lf %lf\n", &junk1,
+ &exnodes[i][0], &exnodes[i][1], &exnodes[i][2]);
+ printf("(extra) %d %.2f %.2f %.2f\n",
+ i, exnodes[i][0], exnodes[i][1], exnodes[i][2]);
+ }
+ fclose(fd);
+ }
+}
+
+
+// check if a file exists
+int file_exists(char *file) {
+ struct stat stat_buf;
+ int result;
+
+ printf("checking %s ... ", file);
+
+ result = stat(file, &stat_buf);
+
+ if ( result != 0 ) {
+ // stat failed, no file
+ printf("not found.\n");
+ return(0);
+ } else {
+ // stat succeeded, file exists
+ printf("exists.\n");
+ return(1);
+ }
+}
+
+
+// check to see if a shared object exists
+int shared_object_exists(char *basepath, char *ext, char *file) {
+ char scene_path[256];
+ long int index;
+
+ if ( strcmp(ext, ".sw") == 0 ) {
+ fgBucketGenBasePath(&my_index, scene_path);
+ index = fgBucketGenIndex(&my_index);
+ sprintf(file, "%s/%s/%ld.1.sw", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&west_index, scene_path);
+ index = fgBucketGenIndex(&west_index);
+ sprintf(file, "%s/%s/%ld.1.se", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&sw_index, scene_path);
+ index = fgBucketGenIndex(&sw_index);
+ sprintf(file, "%s/%s/%ld.1.ne", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&south_index, scene_path);
+ index = fgBucketGenIndex(&south_index);
+ sprintf(file, "%s/%s/%ld.1.nw", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ }
+
+ if ( strcmp(ext, ".se") == 0 ) {
+ fgBucketGenBasePath(&my_index, scene_path);
+ index = fgBucketGenIndex(&my_index);
+ sprintf(file, "%s/%s/%ld.1.se", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&east_index, scene_path);
+ index = fgBucketGenIndex(&east_index);
+ sprintf(file, "%s/%s/%ld.1.sw", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&se_index, scene_path);
+ index = fgBucketGenIndex(&se_index);
+ sprintf(file, "%s/%s/%ld.1.nw", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&south_index, scene_path);
+ index = fgBucketGenIndex(&south_index);
+ sprintf(file, "%s/%s/%ld.1.ne", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ }
+
+ if ( strcmp(ext, ".ne") == 0 ) {
+ fgBucketGenBasePath(&my_index, scene_path);
+ index = fgBucketGenIndex(&my_index);
+ sprintf(file, "%s/%s/%ld.1.ne", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&east_index, scene_path);
+ index = fgBucketGenIndex(&east_index);
+ sprintf(file, "%s/%s/%ld.1.nw", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&ne_index, scene_path);
+ index = fgBucketGenIndex(&ne_index);
+ sprintf(file, "%s/%s/%ld.1.sw", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&north_index, scene_path);
+ index = fgBucketGenIndex(&north_index);
+ sprintf(file, "%s/%s/%ld.1.se", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ }
+
+ if ( strcmp(ext, ".nw") == 0 ) {
+ fgBucketGenBasePath(&my_index, scene_path);
+ index = fgBucketGenIndex(&my_index);
+ sprintf(file, "%s/%s/%ld.1.nw", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&west_index, scene_path);
+ index = fgBucketGenIndex(&west_index);
+ sprintf(file, "%s/%s/%ld.1.ne", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&nw_index, scene_path);
+ index = fgBucketGenIndex(&nw_index);
+ sprintf(file, "%s/%s/%ld.1.se", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&north_index, scene_path);
+ index = fgBucketGenIndex(&north_index);
+ sprintf(file, "%s/%s/%ld.1.sw", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ }
+
+ if ( strcmp(ext, ".south") == 0 ) {
+ fgBucketGenBasePath(&my_index, scene_path);
+ index = fgBucketGenIndex(&my_index);
+ sprintf(file, "%s/%s/%ld.1.south", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&south_index, scene_path);
+ index = fgBucketGenIndex(&south_index);
+ sprintf(file, "%s/%s/%ld.1.north", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ }
+
+ if ( strcmp(ext, ".north") == 0 ) {
+ fgBucketGenBasePath(&my_index, scene_path);
+ index = fgBucketGenIndex(&my_index);
+ sprintf(file, "%s/%s/%ld.1.north", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&north_index, scene_path);
+ index = fgBucketGenIndex(&north_index);
+ sprintf(file, "%s/%s/%ld.1.south", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ }
+
+ if ( strcmp(ext, ".west") == 0 ) {
+ fgBucketGenBasePath(&my_index, scene_path);
+ index = fgBucketGenIndex(&my_index);
+ sprintf(file, "%s/%s/%ld.1.west", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&west_index, scene_path);
+ index = fgBucketGenIndex(&west_index);
+ sprintf(file, "%s/%s/%ld.1.east", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ }
+
+ if ( strcmp(ext, ".east") == 0 ) {
+ fgBucketGenBasePath(&my_index, scene_path);
+ index = fgBucketGenIndex(&my_index);
+ sprintf(file, "%s/%s/%ld.1.east", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ fgBucketGenBasePath(&east_index, scene_path);
+ index = fgBucketGenIndex(&east_index);
+ sprintf(file, "%s/%s/%ld.1.west", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ }
+
+ if ( strcmp(ext, ".body") == 0 ) {
+ fgBucketGenBasePath(&my_index, scene_path);
+ index = fgBucketGenIndex(&my_index);
+ sprintf(file, "%s/%s/%ld.1.body", basepath, scene_path, index);
+ if ( file_exists(file) ) {
+ return(1);
+ }
+ }
+
+ return(0);
+}
+
+
+// my custom file opening routine ... don't open if a shared edge or
+// vertex alread exists
+FILE *my_open(char *basename, char *basepath, char *ext) {
+ FILE *fp;
+ char filename[256];
+
+ // check if a shared object already exists
+ if ( shared_object_exists(basepath, ext, filename) ) {
+ // not an actual file open error, but we've already got the
+ // shared edge, so we don't want to create another one
+ fp = fopen(filename, "r");
+ printf("Opening %s\n", filename);
+ return(fp);
+ } else {
+ // open the file
+ printf("not opening\n");
+ return(NULL);
+ }
+}
+
+
+// given a file pointer, read all the gdn (geodetic nodes from it.)
+// The specified offset values (in arcsec) are used to overlap the
+// edges of the tile slightly to cover gaps induced by floating point
+// precision problems. 1 arcsec == about 100 feet so 0.01 arcsec ==
+// about 1 foot
+void read_nodes(FILE *fp, double offset_lon, double offset_lat) {
+ double n[3];
+ char line[256];
+ int ex_index;
+
+ offset_lon = offset_lat = 0.0;
+
+ while ( fgets(line, 250, fp) != NULL ) {
+ if ( strncmp(line, "gdn ", 4) == 0 ) {
+ sscanf(line, "gdn %lf %lf %lf\n", &n[0], &n[1], &n[2]);
+
+ ex_index = is_extra_node(n);
+
+ if ( ex_index == 0 ) {
+ // not an extra node
+ nodes[nodecount][0] = n[0] + offset_lon;
+ nodes[nodecount][1] = n[1] + offset_lat;
+ nodes[nodecount][2] = n[2];
+
+ // printf("read_nodes(%d) %.2f %.2f %.2f %s", nodecount,
+ // nodes[nodecount][0], nodes[nodecount][1],
+ // nodes[nodecount][2], line);
+
+
+ nodecount++;
+ } else {
+ // is an extra node
+ printf("found extra node %.2f %.2f %.2f\n", n[0], n[1], n[2]);
+ // preserve the DEM altitude for now
+ exnodes[ex_index][2] = n[2];
+ }
+ }
+ }
+}
+
+
+// load in nodes from the various split and shared pieces to
+// reconstruct a tile
+void build_node_list(char *basename, char *basepath) {
+ char exfile[256];
+ FILE *ne, *nw, *se, *sw, *north, *south, *east, *west, *body;
+
+ // load extra nodes if they exist
+ strcpy(exfile, basename);
+ strcat(exfile, ".node.ex");
+ read_extra_nodes(exfile);
+
+ ne = my_open(basename, basepath, ".ne");
+ read_nodes(ne, OFFSET_LON, OFFSET_LAT);
+ fclose(ne);
+
+ nw = my_open(basename, basepath, ".nw");
+ read_nodes(nw, -1.0 * OFFSET_LON, OFFSET_LAT);
+ fclose(nw);
+
+ se = my_open(basename, basepath, ".se");
+ read_nodes(se, OFFSET_LON, -1.0 * OFFSET_LAT);
+ fclose(se);
+
+ sw = my_open(basename, basepath, ".sw");
+ read_nodes(sw, -1.0 * OFFSET_LON, -1.0 * OFFSET_LAT);
+ fclose(sw);
+
+ north = my_open(basename, basepath, ".north");
+ read_nodes(north, 0.0, OFFSET_LAT);
+ fclose(north);
+
+ south = my_open(basename, basepath, ".south");
+ read_nodes(south, 0.0, -1.0 * OFFSET_LAT);
+ fclose(south);
+
+ east = my_open(basename, basepath, ".east");
+ read_nodes(east, OFFSET_LON, 0.0);
+ fclose(east);
+
+ west = my_open(basename, basepath, ".west");
+ read_nodes(west, -1.0 * OFFSET_LON, 0.0);
+ fclose(west);
+
+ body = my_open(basename, basepath, ".body");
+ read_nodes(body, 0.0, 0.0);
+ fclose(body);
+}
+
+
+// dump in WaveFront .obj format
+void dump_nodes(char *basename) {
+ char file[256];
+ FILE *fd;
+ int i;
+
+ // generate output file name
+ strcpy(file, basename);
+ // len = strlen(file);
+ // file[len-2] = '\0';
+ strcat(file, ".node");
+
+ // dump vertices
+ printf("Creating node file: %s\n", file);
+ printf(" writing vertices in .node format.\n");
+ fd = fopen(file, "w");
+
+ fprintf(fd, "%d 2 1 0\n", excount + nodecount);
+
+ // now write out extra node data
+ for ( i = 1; i <= excount; i++ ) {
+ fprintf(fd, "%d %.2f %.2f %.2f 0\n",
+ i, exnodes[i][0], exnodes[i][1], exnodes[i][2]);
+ }
+
+ // now write out actual node data
+ for ( i = 0; i < nodecount; i++ ) {
+ fprintf(fd, "%d %.2f %.2f %.2f 0\n", excount + i + 1,
+ nodes[i][0], nodes[i][1], nodes[i][2]);
+ }
+
+ fclose(fd);
+}
+
+
+int main(int argc, char **argv) {
+ char basename[256], basepath[256], temp[256];
+ long int tmp_index;
+ int len;
+
+ // derive base name
+ strcpy(basename, argv[1]);
+ len = strlen(basename);
+
+ // find the base path of the file
+ extract_path(basename, basepath);
+ extract_path(basepath, basepath);
+ extract_path(basepath, basepath);
+ printf("%s\n", basepath);
+
+ // find the index of the current file
+ extract_file(basename, temp);
+ // len = strlen(temp);
+ // if ( len >= 2 ) {
+ // temp[len-2] = '\0';
+ // }
+ tmp_index = atoi(temp);
+ printf("%ld\n", tmp_index);
+ fgBucketParseIndex(tmp_index, &my_index);
+
+ printf("bucket = %d %d %d %d\n",
+ my_index.lon, my_index.lat, my_index.x, my_index.y);
+ // generate the indexes of the neighbors
+ fgBucketOffset(&my_index, &ne_index, 1, 1);
+ fgBucketOffset(&my_index, &nw_index, -1, 1);
+ fgBucketOffset(&my_index, &se_index, 1, -1);
+ fgBucketOffset(&my_index, &sw_index, -1, -1);
+
+ fgBucketOffset(&my_index, &north_index, 0, 1);
+ fgBucketOffset(&my_index, &south_index, 0, -1);
+ fgBucketOffset(&my_index, &east_index, 1, 0);
+ fgBucketOffset(&my_index, &west_index, -1, 0);
+
+ // printf("Corner indexes = %ld %ld %ld %ld\n",
+ // ne_index, nw_index, sw_index, se_index);
+ // printf("Edge indexes = %ld %ld %ld %ld\n",
+ // north_index, south_index, east_index, west_index);
+
+
+ // load the input data files
+ build_node_list(basename, basepath);
+
+ // dump in WaveFront .obj format
+ dump_nodes(basename);
+
+ return(0);
+}
+
+
+// $Log$
+// Revision 1.1 1998/09/25 19:35:29 curt
+// Renamed assemtris.[ch] to assemtris.[ch]xx
+//
+// Revision 1.13 1998/09/21 20:56:30 curt
+// Changes to avoid setting airport area nodes back to their original
+// elevations if they have been changed.
+//
+//
+// Revision 1.12 1998/09/09 16:24:51 curt
+// Fixed a bug in the handling of exclude files which was causing
+// a crash by calling fclose() on an invalid file handle.
+// Removed overlapping offsets.
+//
+// Revision 1.11 1998/08/06 12:47:59 curt
+// Removed overlap in tiles as a test.
+//
+// Revision 1.10 1998/07/21 04:34:20 curt
+// Mods to handle extra nodes (i.e. preserve cutouts).
+//
+// Revision 1.9 1998/07/04 00:55:39 curt
+// typedef'd struct fgBUCKET.
+//
+// Revision 1.8 1998/06/01 17:58:19 curt
+// Added a slight border overlap to try to minimize pixel wide gaps between
+// tiles due to round off error. This is not a perfect solution, but helps.
+//
+// Revision 1.7 1998/04/14 02:26:00 curt
+// Code reorganizations. Added a Lib/ directory for more general libraries.
+//
+// Revision 1.6 1998/04/08 22:54:58 curt
+// Adopted Gnu automake/autoconf system.
+//
+// Revision 1.5 1998/03/03 16:00:52 curt
+// More c++ compile tweaks.
+//
+// Revision 1.4 1998/01/31 00:41:23 curt
+// Made a few changes converting floats to doubles.
+//
+// Revision 1.3 1998/01/27 18:37:00 curt
+// Lots of updates to get back in sync with changes made over in .../Src/
+//
+// Revision 1.2 1998/01/15 21:33:36 curt
+// Assembling triangles and building a new .node file with the proper shared
+// vertices now works. Now we just have to use the shared normals and we'll
+// be all set.
+//
+// Revision 1.1 1998/01/15 02:45:26 curt
+// Initial revision.
+//
+
+++ /dev/null
-/* splittris.h -- reassemble the pieces produced by splittris
- *
- * Written by Curtis Olson, started January 1998.
- *
- * 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 ASSEMTRIS_H
-#define ASSEMTRIS_H
-
-
-#include <stdio.h>
-#include <string.h>
-
-
-#define MAX_NODES 200000
-#define MAX_TRIS 400000
-
-
-#endif /* SPLITTRIS_H */
-
-
-/* $Log$
-/* Revision 1.1 1998/01/15 02:45:26 curt
-/* Initial revision.
-/*
- */
--- /dev/null
+// splittris.h -- reassemble the pieces produced by splittris
+//
+// Written by Curtis Olson, started January 1998.
+//
+// Copyright (C) 1997 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)
+
+
+
+#ifndef ASSEMTRIS_H
+#define ASSEMTRIS_H
+
+
+#include <stdio.h>
+#include <string.h>
+
+
+#define MAX_NODES 200000
+#define MAX_TRIS 400000
+
+
+#endif // SPLITTRIS_H
+
+
+// $Log$
+// Revision 1.1 1998/09/25 19:35:31 curt
+// Renamed assemtris.[ch] to assemtris.[ch]xx
+//
+// Revision 1.1 1998/01/15 02:45:26 curt
+// Initial revision.
+//
+
projects / flightgear.git / commitdiff