int psurf_to_nmg(struct model *m, FILE *fp, char *jfile) /* Input/output, nmg model. */ /* Input, pointer to psurf data file. */ /* Name of Jack data base file. */ { int face, fail, i, lst[MAX_NUM_PTS], nf, nv; struct faceuse *outfaceuses[MAX_NUM_PTS]; struct nmgregion *r; struct shell *s; struct vertex *vertlist[MAX_NUM_PTS]; struct vlist vert; /* Copied from proc-db/nmgmodel.c */ tol.magic = BN_TOL_MAGIC; tol.dist = 0.01; tol.dist_sq = tol.dist * tol.dist; tol.perp = 0.001; tol.para = 0.999; face = 0; r = nmg_mrsv(m); /* Make region, empty shell, vertex. */ s = BU_LIST_FIRST(shell, &r->s_hd); while ((nv = read_psurf_vertices(fp, &vert)) != 0) { size_t ret; while ((nf = read_psurf_face(fp, lst)) != 0) { /* Make face out of vertices in lst (ccw ordered). */ for (i = 0; i < nf; i++) vertlist[i] = vert.vt[lst[i]-1]; outfaceuses[face] = nmg_cface(s, vertlist, nf); face++; /* Save (possibly) newly created vertex structs. */ for (i = 0; i < nf; i++) vert.vt[lst[i]-1] = vertlist[i]; } ret = fscanf(fp, ";;"); if (ret > 0) bu_log("unknown parsing error\n"); /* Associate the vertex geometry, ccw. */ for (i = 0; i < nv; i++) if (vert.vt[i]) nmg_vertex_gv(vert.vt[i], &vert.pt[3*i]); else fprintf(stderr, "%s, vertex %d is unused\n", jfile, i+1); } nmg_vertex_fuse(&m->magic, &tol); /* Associate the face geometry. */ for (i = 0, fail = 0; i < face; i++) { struct loopuse *lu; plane_t pl; lu = BU_LIST_FIRST(loopuse, &outfaceuses[i]->lu_hd); if (nmg_loop_plane_area(lu, pl) < 0.0) { fail = 1; nmg_kfu(outfaceuses[i]); } else nmg_face_g(outfaceuses[i], pl); } if (fail) return -1; if (face) { int empty_model; empty_model = nmg_kill_zero_length_edgeuses(m); if (!empty_model) { /* Compute "geometry" for region and shell */ nmg_region_a(r, &tol); nmg_break_e_on_v(&m->magic, &tol); empty_model = nmg_kill_zero_length_edgeuses(m); /* Glue edges of outward pointing face uses together. */ if (!empty_model) nmg_edge_fuse(&m->magic, &tol); } } return 0; }
int ged_bot_fuse(struct ged *gedp, int argc, const char **argv) { struct directory *old_dp, *new_dp; struct rt_db_internal intern, intern2; struct rt_bot_internal *bot; int count=0; static const char *usage = "new_bot old_bot"; struct model *m; struct nmgregion *r; int ret, c, i; struct bn_tol *tol = &gedp->ged_wdbp->wdb_tol; int total = 0; volatile int out_type = 0; /* open edge output type: 0 = none, 1 = show, 2 = plot */ size_t open_cnt; struct bu_vls name_prefix = BU_VLS_INIT_ZERO; /* bu_getopt() options */ static const char *bot_fuse_options = "sp"; static const char *bot_fuse_options_str = "[-s|-p]"; GED_CHECK_DATABASE_OPEN(gedp, GED_ERROR); GED_CHECK_READ_ONLY(gedp, GED_ERROR); GED_CHECK_ARGC_GT_0(gedp, argc, GED_ERROR); /* initialize result */ bu_vls_trunc(gedp->ged_result_str, 0); /* must be wanting help */ if (argc != 3 && argc != 4) { bu_vls_printf(gedp->ged_result_str, "Usage: %s %s %s", argv[0], bot_fuse_options_str, usage); return GED_HELP; } /* Turn off getopt's error messages */ bu_opterr = 0; bu_optind = 1; /* get all the option flags from the command line */ while ((c=bu_getopt(argc, (char **)argv, bot_fuse_options)) != -1) { switch (c) { case 's': { out_type = 1; /* show open edges */ break; } case 'p': { out_type = 2; /* plot open edges */ break; } default : { bu_vls_printf(gedp->ged_result_str, "Unknown option: '%c'", c); return GED_HELP; } } } i = argc - 2; bu_log("%s: start\n", argv[0]); GED_DB_LOOKUP(gedp, old_dp, argv[i+1], LOOKUP_NOISY, GED_ERROR & GED_QUIET); GED_DB_GET_INTERNAL(gedp, &intern, old_dp, bn_mat_identity, &rt_uniresource, GED_ERROR); if (intern.idb_major_type != DB5_MAJORTYPE_BRLCAD || intern.idb_minor_type != DB5_MINORTYPE_BRLCAD_BOT) { bu_vls_printf(gedp->ged_result_str, "%s: %s is not a BOT solid!\n", argv[0], argv[i+1]); return GED_ERROR; } /* create nmg model structure */ m = nmg_mm(); /* place bot in nmg structure */ bu_log("%s: running rt_bot_tess\n", argv[0]); ret = rt_bot_tess(&r, m, &intern, &gedp->ged_wdbp->wdb_ttol, tol); /* free internal representation of original bot */ rt_db_free_internal(&intern); if (ret != 0) { bu_vls_printf(gedp->ged_result_str, "%s: %s fuse failed (1).\n", argv[0], argv[i+1]); nmg_km(m); return GED_ERROR; } total = 0; /* Step 1 -- the vertices. */ bu_log("%s: running nmg_vertex_fuse\n", argv[0]); count = nmg_vertex_fuse(&m->magic, tol); total += count; bu_log("%s: %s, %d vertex fused\n", argv[0], argv[i+1], count); /* Step 1.5 -- break edges on vertices, before fusing edges */ bu_log("%s: running nmg_break_e_on_v\n", argv[0]); count = nmg_break_e_on_v(&m->magic, tol); total += count; bu_log("%s: %s, %d broke 'e' on 'v'\n", argv[0], argv[i+1], count); if (total) { struct nmgregion *r2; struct shell *s; bu_log("%s: running nmg_make_faces_within_tol\n", argv[0]); /* vertices and/or edges have been moved, * may have created out-of-tolerance faces */ for (BU_LIST_FOR(r2, nmgregion, &m->r_hd)) { for (BU_LIST_FOR(s, shell, &r2->s_hd)) nmg_make_faces_within_tol(s, tol); } } /* Step 2 -- the face geometry */ bu_log("%s: running nmg_model_face_fuse\n", argv[0]); count = nmg_model_face_fuse(m, tol); total += count; bu_log("%s: %s, %d faces fused\n", argv[0], argv[i+1], count); /* Step 3 -- edges */ bu_log("%s: running nmg_edge_fuse\n", argv[0]); count = nmg_edge_fuse(&m->magic, tol); total += count; bu_log("%s: %s, %d edges fused\n", argv[0], argv[i+1], count); bu_log("%s: %s, %d total fused\n", argv[0], argv[i+1], total); if (!BU_SETJUMP) { /* try */ /* convert the nmg model back into a bot */ bot = nmg_bot(BU_LIST_FIRST(shell, &r->s_hd), tol); bu_vls_sprintf(&name_prefix, "open_edges.%s", argv[i]); bu_log("%s: running show_dangling_edges\n", argv[0]); open_cnt = show_dangling_edges(gedp, &m->magic, bu_vls_addr(&name_prefix), out_type); bu_log("%s: WARNING %ld open edges, new BOT may be invalid!!!\n", argv[0], open_cnt); bu_vls_free(&name_prefix); /* free the nmg model structure */ nmg_km(m); } else { /* catch */ BU_UNSETJUMP; bu_vls_printf(gedp->ged_result_str, "%s: %s fuse failed (2).\n", argv[0], argv[i+1]); return GED_ERROR; } BU_UNSETJUMP; RT_DB_INTERNAL_INIT(&intern2); intern2.idb_major_type = DB5_MAJORTYPE_BRLCAD; intern2.idb_type = ID_BOT; intern2.idb_meth = &OBJ[ID_BOT]; intern2.idb_ptr = (void *)bot; GED_DB_DIRADD(gedp, new_dp, argv[i], RT_DIR_PHONY_ADDR, 0, RT_DIR_SOLID, (void *)&intern2.idb_type, GED_ERROR); GED_DB_PUT_INTERNAL(gedp, new_dp, &intern2, &rt_uniresource, GED_ERROR); bu_log("%s: Created new BOT (%s)\n", argv[0], argv[i]); bu_log("%s: Done.\n", argv[0]); return GED_OK; }