/*
* Write the nmg to a BRL-CAD style data base.
*/
int
create_brlcad_db(struct rt_wdb *fpout, struct model *m, char *reg_name, char *grp_name)
{
char *rname, *sname;
int empty_model;
struct shell *s;
struct nmgregion *r;
rname = (char *)bu_malloc(sizeof(reg_name) + 3, "rname"); /* Region name. */
sname = (char *)bu_malloc(sizeof(reg_name) + 3, "sname"); /* Solid name. */
snprintf(sname, sizeof(reg_name) + 2, "s.%s", reg_name);
empty_model = nmg_kill_zero_length_edgeuses(m);
if (empty_model) {
bu_log("Warning: skipping empty model.");
return 0;
}
nmg_rebound(m, &tol);
r = BU_LIST_FIRST(nmgregion, &m->r_hd);
s = BU_LIST_FIRST(shell, &r->s_hd);
mk_bot_from_nmg(fpout, sname, s); /* Make BOT object. */
snprintf(rname, sizeof(reg_name) + 2, "r.%s", reg_name);
mk_comb1(fpout, rname, sname, 1); /* Put object in a region. */
if (grp_name) {
mk_comb1(fpout, grp_name, rname, 1); /* Region in group. */
}
return 0;
}
/**
* main driver logic that creates the various random metaballs and
* then creates another that combines them all into one.
*/
static void
make_spaghetti(const char *filename, const char *name, long count)
{
const char *balls[4] = {"someballs.s", "moreballs.s", "manyballs.s", NULL};
const char title[BUFSIZ] = "metaball";
struct rt_wdb *fp;
struct db_i *dbip;
long some, more, many;
/* get a write-only handle */
fp = wdb_fopen(filename);
if (fp == RT_WDB_NULL)
bu_exit(EXIT_FAILURE, "ERROR: unable to open file for writing.\n");
mk_id(fp, title);
/* just to make things interesting, make varying sized sets */
some = lrint(ceil((double)count * (1.0 / 111.0)));
more = lrint(ceil((double)count * (10.0 / 111.0)));
many = lrint(ceil((double)count * (100.0 / 111.0)));
/* create individual metaballs with random points using LIBWDB */
make_meatballs(fp, balls[0], some);
make_meatballs(fp, balls[1], more);
make_meatballs(fp, balls[2], many);
mk_comb1(fp, "someballs.r", balls[0], 1);
mk_comb1(fp, "moreballs.r", balls[1], 1);
mk_comb1(fp, "manyballs.r", balls[2], 1);
mk_comb1(fp, "meatballs.r", "meatballs.s", 1);
wdb_close(fp);
/* done with the write-only, now begins read/write */
dbip = db_open(filename, DB_OPEN_READWRITE);
if (dbip == DBI_NULL) {
perror("ERROR");
bu_exit(EXIT_FAILURE, "Failed to open geometry file [%s]. Aborting.\n", filename);
}
/* load a database directory */
db_dirbuild(dbip);
/* combine all metaballs into one "mega metaball" */
mix_balls(dbip, name, 3, balls);
/* and clean up */
db_close(dbip);
}
/*
* Write the nmg to a BRL-CAD style data base.
*/
void
create_brlcad_db(struct rt_wdb *fpout, struct model *m, char *reg_name, char *grp_name)
{
char *rname, *sname;
int size = sizeof(reg_name) + 3;
mk_id(fpout, "Ascii NMG");
rname = (char *)bu_malloc(size, "rname"); /* Region name. */
sname = (char *)bu_malloc(size, "sname"); /* Solid name. */
snprintf(sname, size, "s.%s", reg_name);
mk_nmg(fpout, sname, m); /* Make nmg object. */
snprintf(rname, size, "r.%s", reg_name);
mk_comb1(fpout, rname, sname, 1); /* Put object in a region. */
if (grp_name) {
mk_comb1(fpout, grp_name, rname, 1); /* Region in group. */
}
}
/*
* Call parse_args to handle command line arguments first, then
* process input.
*/
int
main(int ac, char *av[])
{
struct bn_tol tol;
FILE *fdplot;
struct rt_wdb *fdmodel;
parse_args(ac, av);
if (ac==1) usage((char *)NULL,0);
if (!manifold[0] && !manifold[1] && !manifold[2] && !manifold[3])
usage("No manifolds selected\n",1);
m = nmg_mm();
r = nmg_mrsv(m);
s = BU_LIST_FIRST(shell, &r->s_hd);
tol.magic = BN_TOL_MAGIC;
tol.dist = 0.01;
tol.dist_sq = tol.dist * tol.dist;
tol.perp = 0.001;
tol.para = 0.999;
if (manifold[3]) make_3manifold_bits(&tol);
if (manifold[2]) make_2manifold_bits(&tol);
if (manifold[1]) make_1manifold_bits();
if (manifold[0]) make_0manifold_bits();
NMG_CK_MODEL(m);
/* write a plot file */
if ((fdplot = fopen(plotfilename, "w")) == (FILE *)NULL)
perror(plotfilename);
else {
nmg_pl_m(fdplot, m);
fclose(fdplot);
}
/* write the database */
if ((fdmodel = wdb_fopen(mfilename)) == NULL)
perror(mfilename);
else {
mk_id(fdmodel, "hairy NMG");
mk_nmg(fdmodel, "s.NMG", m); /* releases m, boo */
/* build a database region mentioning the solid */
mk_comb1(fdmodel, "r.NMG", "s.NMG", 1);
wdb_close(fdmodel);
}
return 0;
}
int off2nmg(FILE *fpin, struct rt_wdb *fpout)
{
char title[64], geom_fname[64];
char rname[67], sname[67];
char buf[200], buf2[200];
FILE *fgeom;
struct model *m;
title[0] = geom_fname[0] = '\0';
bu_fgets(buf, sizeof(buf), fpin);
while (!feof(fpin)) {
/* Retrieve the important data */
if (sscanf(buf, "name %[^\n]s", buf2) > 0)
bu_strlcpy(title, buf2, sizeof(title));
if (sscanf(buf, "geometry %200[^\n]s", buf2) > 0) {
char dtype[40], format[40];
if (sscanf(buf2, "%40s %40s %64s", dtype, format, geom_fname) != 3)
bu_exit(1, "Incomplete geometry field in input file.");
if (!BU_STR_EQUAL(dtype, "indexed_poly"))
bu_exit(1, "Unknown geometry data type. Must be \"indexed_poly\".");
}
bu_fgets(buf, sizeof(buf), fpin);
}
if (strlen(title) < (unsigned)1)
fprintf(stderr, "Warning: no title\n");
if (strlen(geom_fname) < (unsigned)1)
bu_exit(1, "ERROR: no geometry filename given");
if ((fgeom = fopen(geom_fname, "rb")) == NULL) {
bu_exit(1, "off2nmg: cannot open %s (geometry description) for reading\n",
geom_fname);
}
m = nmg_mm();
read_faces(m, fgeom);
fclose(fgeom);
snprintf(sname, 67, "s.%s", title);
snprintf(rname, 67, "r.%s", title);
mk_id(fpout, title);
mk_nmg(fpout, sname, m);
mk_comb1(fpout, rname, sname, 1);
nmg_km(m);
return 0;
}
void
Pipes(void)
{
vect_t ht;
struct points *ptr;
fastf_t len;
int comblen;
struct wmember head;
BU_LIST_INIT(&head.l);
ptr = root;
if ( ptr == NULL )
return;
while ( ptr->next != NULL )
{
/* Make the basic pipe solids */
VSUB2( ht, ptr->next->p1, ptr->p2);
mk_rcc( fdout, ptr->tube, ptr->p2, ht, radius ); /* make a solid record */
if ( !cable ) /* make inside solid */
mk_rcc( fdout, ptr->tubflu, ptr->p2, ht, radius-wall );
if ( torus )
{
/* Make tubing region */
mk_addmember( ptr->tube, &head.l, NULL, WMOP_UNION ); /* make 'u' member record */
if ( !cable )
{
/* Subtract inside solid */
mk_addmember( ptr->tubflu, &head.l, NULL, WMOP_SUBTRACT ); /* make '-' member record */
/* Make fluid region */
mk_comb1( fdout, ptr->tubflu_r, ptr->tubflu, 1 );
}
mk_lfcomb( fdout, ptr->tube_r, &head, 1 );
}
else if ( mitre )
{
if ( ptr->prev != NULL )
{
len = VDOT( ptr->p, ptr->mnorm );
mk_half( fdout, ptr->cut, ptr->mnorm, len );
}
comblen = 4 - cable;
if ( ptr->next->next == NULL )
comblen--;
if ( ptr->prev == NULL )
comblen--;
mk_addmember( ptr->tube, &head.l, NULL, WMOP_UNION ); /* make 'u' member record */
if ( !cable )
mk_addmember( ptr->tubflu, &head.l, NULL, WMOP_SUBTRACT ); /* make '-' member record */
if ( ptr->next->next != NULL )
mk_addmember( ptr->next->cut, &head.l, NULL, WMOP_SUBTRACT ); /* make '+' member record */
if ( ptr->prev != NULL )
mk_addmember( ptr->cut, &head.l, NULL, WMOP_INTERSECT ); /* subtract HAF */
mk_lfcomb( fdout, ptr->tube_r, &head, 1 );
if ( !cable )
{
/* Make fluid region */
comblen = 3;
if ( ptr->next->next == NULL )
comblen--;
if ( ptr->prev == NULL )
comblen--;
mk_addmember( ptr->tubflu, &head.l, NULL, WMOP_UNION ); /* make 'u' member record */
if ( ptr->next->next != NULL )
mk_addmember( ptr->next->cut, &head.l, NULL, WMOP_SUBTRACT ); /* make '+' member record */
if ( ptr->prev != NULL )
mk_addmember( ptr->cut, &head.l, NULL, WMOP_INTERSECT ); /* subtract */
mk_lfcomb( fdout, ptr->tubflu_r, &head, 1 ); /* make REGION comb record */
}
}
else if ( sphere )
{
/* make REGION comb record for tube */
comblen = 2;
if ( cable )
comblen--;
if ( ptr->next->tube[0] != '\0' )
comblen++;
if ( !cable && ptr->prev != NULL )
comblen++;
/* make 'u' member record */
mk_addmember( ptr->tube, &head.l, NULL, WMOP_UNION );
/* make '-' member record */
if ( !cable )
mk_addmember( ptr->tubflu, &head.l, NULL, WMOP_SUBTRACT );
if ( ptr->next->tube[0] != '\0' ) /* subtract outside of next tube */
mk_addmember( ptr->next->tube, &head.l, NULL, WMOP_SUBTRACT );
if ( !cable && ptr->prev != NULL ) /* subtract inside of previous tube */
mk_addmember( ptr->prev->tubflu, &head.l, NULL, WMOP_SUBTRACT );
mk_lfcomb( fdout, ptr->tube_r, &head, REGION );
if ( !cable )
{
/* make REGION for fluid */
/* make 'u' member record */
mk_addmember( ptr->tubflu, &head.l, NULL, WMOP_UNION );
if ( ptr->next->tubflu[0] != '\0' ) /* subtract inside of next tube */
mk_addmember( ptr->next->tubflu, &head.l, NULL, WMOP_SUBTRACT );
mk_lfcomb( fdout, ptr->tubflu_r, &head, REGION );
}
}
else if ( nothing )
{
/* make REGION comb record for tube */
comblen = 2;
if ( cable )
comblen--;
if ( ptr->next->tube[0] != '\0' )
comblen++;
if ( !cable && ptr->prev != NULL )
comblen++;
/* make 'u' member record */
mk_addmember( ptr->tube, &head.l, NULL, WMOP_UNION );
/* make '-' member record */
if ( !cable )
mk_addmember( ptr->tubflu, &head.l, NULL, WMOP_SUBTRACT );
if ( ptr->next->tube[0] != '\0' ) /* subtract outside of next tube */
mk_addmember( ptr->next->tube, &head.l, NULL, WMOP_SUBTRACT );
if ( !cable && ptr->prev != NULL ) /* subtract inside of previous tube */
mk_addmember( ptr->prev->tubflu, &head.l, NULL, WMOP_SUBTRACT );
mk_lfcomb( fdout, ptr->tube_r, &head, REGION );
if ( !cable )
{
/* make REGION for fluid */
/* make 'u' member record */
mk_addmember( ptr->tubflu, &head.l, NULL, WMOP_UNION );
if ( ptr->next->tubflu[0] != '\0' ) /* subtract inside of next tube */
mk_addmember( ptr->next->tubflu, &head.l, NULL, WMOP_SUBTRACT );
mk_lfcomb( fdout, ptr->tubflu_r, &head, REGION );
}
}
ptr = ptr->next;
}
}
