Beispiel #1
0
static size_t
show_dangling_edges(struct ged *gedp, const uint32_t *magic_p, const char *name, int out_type)
{
    FILE *plotfp = NULL;
    const char *manifolds = NULL;
    const struct edgeuse *eur;
    int done;
    point_t pt1, pt2;
    size_t i, cnt;
    struct bn_vlblock *vbp = NULL;
    struct bu_list *vhead = NULL;
    struct bu_ptbl faces;
    struct bu_vls plot_file_name = BU_VLS_INIT_ZERO;
    struct edgeuse *eu = NULL;
    struct face *fp = NULL;
    struct faceuse *fu, *fu1, *fu2;
    struct faceuse *newfu = NULL;
    struct loopuse *lu = NULL;

    /* out_type: 0 = none, 1 = show, 2 = plot */
    if (out_type < 0 || out_type > 2) {
	bu_log("Internal error, open edge test failed.\n");
	return 0;
    }

    if (out_type == 1) {
	vbp = rt_vlblock_init();
	vhead = rt_vlblock_find(vbp, 0xFF, 0xFF, 0x00);
    }

    bu_ptbl_init(&faces, 64, "faces buffer");
    nmg_face_tabulate(&faces, magic_p);

    cnt = 0;
    for (i = 0; i < (size_t)BU_PTBL_END(&faces) ; i++) {
	fp = (struct face *)BU_PTBL_GET(&faces, i);
	NMG_CK_FACE(fp);
	fu = fu1 = fp->fu_p;
	NMG_CK_FACEUSE(fu1);
	fu2 = fp->fu_p->fumate_p;
	NMG_CK_FACEUSE(fu2);
	done = 0;
	while (!done) {
	    NMG_CK_FACEUSE(fu);
	    for (BU_LIST_FOR(lu, loopuse, &fu->lu_hd)) {
		NMG_CK_LOOPUSE(lu);
		if (BU_LIST_FIRST_MAGIC(&lu->down_hd) == NMG_EDGEUSE_MAGIC) {
		    for (BU_LIST_FOR(eu, edgeuse, &lu->down_hd)) {
			NMG_CK_EDGEUSE(eu);
			eur = nmg_radial_face_edge_in_shell(eu);
			newfu = eur->up.lu_p->up.fu_p;
			while (manifolds &&
			       NMG_MANIFOLDS(manifolds, newfu) &
			       NMG_2MANIFOLD &&
			       eur != eu->eumate_p) {
			    eur = nmg_radial_face_edge_in_shell(eur->eumate_p);
			    newfu = eur->up.lu_p->up.fu_p;
			}
			if (eur == eu->eumate_p) {
			    VMOVE(pt1, eu->vu_p->v_p->vg_p->coord);
			    VMOVE(pt2, eu->eumate_p->vu_p->v_p->vg_p->coord);
			    if (out_type == 1) {
				BN_ADD_VLIST(vbp->free_vlist_hd, vhead, pt1, BN_VLIST_LINE_MOVE);
				BN_ADD_VLIST(vbp->free_vlist_hd, vhead, pt2, BN_VLIST_LINE_DRAW);
			    } else if (out_type == 2) {
				if (!plotfp) {
				    bu_vls_sprintf(&plot_file_name, "%s.%p.pl", name, (void *)magic_p);
				    if ((plotfp = fopen(bu_vls_addr(&plot_file_name), "wb")) == (FILE *)NULL) {
					bu_vls_free(&plot_file_name);
					bu_log("Error, unable to create plot file (%s), open edge test failed.\n",
					       bu_vls_addr(&plot_file_name));
					return 0;
				    }
				}
				pdv_3line(plotfp, pt1, pt2);
			    }
			    cnt++;
			}
		    }
		}
	    }
	    if (fu == fu1) fu = fu2;
	    if (fu == fu2) done = 1;
	};

    }

    if (out_type == 1) {
	/* Add overlay */
	_ged_cvt_vlblock_to_solids(gedp, vbp, (char *)name, 0);
	rt_vlblock_free(vbp);
	bu_log("Showing open edges...\n");
    } else if (out_type == 2) {
	if (plotfp) {
	    (void)fclose(plotfp);
	    bu_log("Wrote plot file (%s)\n", bu_vls_addr(&plot_file_name));
	    bu_vls_free(&plot_file_name);
	}
    }
    bu_ptbl_free(&faces);

    return cnt;
}
int
ged_brep(struct ged *gedp, int argc, const char *argv[])
{
    struct bn_vlblock*vbp;
    const char *solid_name;
    static const char *usage = "brep <obj> [command|brepname|suffix] ";
    struct directory *ndp;
    struct rt_db_internal intern;
    struct rt_brep_internal* bi;
    struct brep_specific* bs;
    struct soltab *stp;
    char commtag[64];
    char namebuf[64];
    int i, j, real_flag, valid_command, ret;
    const char *commands[] = {"info", "plot", "translate", "intersect", "csg", "u", "i", "-"};
    int num_commands = (int)(sizeof(commands) / sizeof(const char *));
    db_op_t op = DB_OP_NULL;

    GED_CHECK_DATABASE_OPEN(gedp, GED_ERROR);
    GED_CHECK_DRAWABLE(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 < 2) {
	bu_vls_printf(gedp->ged_result_str, "Usage: %s\n\t%s\n", argv[0], usage);
	bu_vls_printf(gedp->ged_result_str, "commands:\n");
	bu_vls_printf(gedp->ged_result_str, "\tvalid          - report on validity of specific BREP\n");
	bu_vls_printf(gedp->ged_result_str, "\tinfo           - return count information for specific BREP\n");
	bu_vls_printf(gedp->ged_result_str, "\tinfo S [index] - return information for specific BREP 'surface'\n");
	bu_vls_printf(gedp->ged_result_str, "\tinfo F [index] - return information for specific BREP 'face'\n");
	bu_vls_printf(gedp->ged_result_str, "\tplot           - plot entire BREP\n");
	bu_vls_printf(gedp->ged_result_str, "\tplot S [index] - plot specific BREP 'surface'\n");
	bu_vls_printf(gedp->ged_result_str, "\tplot F [index] - plot specific BREP 'face'\n");
	bu_vls_printf(gedp->ged_result_str, "\tcsg            - convert BREP to implicit primitive CSG tree\n");
	bu_vls_printf(gedp->ged_result_str, "\ttranslate SCV index i j dx dy dz - translate a surface control vertex\n");
	bu_vls_printf(gedp->ged_result_str, "\tintersect <obj2> <i> <j> [PP|PC|PS|CC|CS|SS] - BREP intersections\n");
	bu_vls_printf(gedp->ged_result_str, "\tu|i|- <obj2> <output>     - BREP boolean evaluations\n");
	bu_vls_printf(gedp->ged_result_str, "\t[brepname]                - convert the non-BREP object to BREP form\n");
	bu_vls_printf(gedp->ged_result_str, "\t --no-evaluation [suffix] - convert non-BREP comb to unevaluated BREP form\n");
	return GED_HELP;
    }

    if (argc < 2 || argc > 11) {
	bu_vls_printf(gedp->ged_result_str, "Usage: %s %s", argv[0], usage);
	return GED_ERROR;
    }

    solid_name = argv[1];
    if ((ndp = db_lookup(gedp->ged_wdbp->dbip,  solid_name, LOOKUP_NOISY)) == RT_DIR_NULL) {
	bu_vls_printf(gedp->ged_result_str, "Error: %s is not a solid or does not exist in database", solid_name);
	return GED_ERROR;
    } else {
	real_flag = (ndp->d_addr == RT_DIR_PHONY_ADDR) ? 0 : 1;
    }

    if (!real_flag) {
	/* solid doesn't exist - don't kill */
	bu_vls_printf(gedp->ged_result_str, "Error: %s is not a real solid", solid_name);
	return GED_OK;
    }

    GED_DB_GET_INTERNAL(gedp, &intern, ndp, bn_mat_identity, &rt_uniresource, GED_ERROR);


    RT_CK_DB_INTERNAL(&intern);
    bi = (struct rt_brep_internal*)intern.idb_ptr;

    if (BU_STR_EQUAL(argv[2], "valid")) {
	int valid = rt_brep_valid(&intern, gedp->ged_result_str);
	return (valid) ? GED_OK : GED_ERROR;
    }

    if (BU_STR_EQUAL(argv[2], "intersect")) {
	/* handle surface-surface intersection */
	struct rt_db_internal intern2;

	/* we need exactly 6 or 7 arguments */
	if (argc != 6 && argc != 7) {
	    bu_vls_printf(gedp->ged_result_str, "There should be 6 or 7 arguments for intersection.\n");
	    bu_vls_printf(gedp->ged_result_str, "See the usage for help.\n");
	    return GED_ERROR;
	}

	/* get the other solid */
	if ((ndp = db_lookup(gedp->ged_wdbp->dbip,  argv[3], LOOKUP_NOISY)) == RT_DIR_NULL) {
	    bu_vls_printf(gedp->ged_result_str, "Error: %s is not a solid or does not exist in database", argv[3]);
	    return GED_ERROR;
	} else {
	    real_flag = (ndp->d_addr == RT_DIR_PHONY_ADDR) ? 0 : 1;
	}

	if (!real_flag) {
	    /* solid doesn't exist - don't kill */
	    bu_vls_printf(gedp->ged_result_str, "Error: %s is not a real solid", argv[3]);
	    return GED_OK;
	}

	GED_DB_GET_INTERNAL(gedp, &intern2, ndp, bn_mat_identity, &rt_uniresource, GED_ERROR);

	i = atoi(argv[4]);
	j = atoi(argv[5]);
	vbp = rt_vlblock_init();

	if (argc == 6 || BU_STR_EQUAL(argv[6], "SS")) {
	    brep_intersect_surface_surface(&intern, &intern2, i, j, vbp);
	} else if (BU_STR_EQUAL(argv[6], "PP")) {
	    brep_intersect_point_point(&intern, &intern2, i, j);
	} else if (BU_STR_EQUAL(argv[6], "PC")) {
	    brep_intersect_point_curve(&intern, &intern2, i, j);
	} else if (BU_STR_EQUAL(argv[6], "PS")) {
	    brep_intersect_point_surface(&intern, &intern2, i, j);
	} else if (BU_STR_EQUAL(argv[6], "CC")) {
	    brep_intersect_curve_curve(&intern, &intern2, i, j);
	} else if (BU_STR_EQUAL(argv[6], "CS")) {
	    brep_intersect_curve_surface(&intern, &intern2, i, j);
	} else {
	    bu_vls_printf(gedp->ged_result_str, "Invalid intersection type %s.\n", argv[6]);
	}

	_ged_cvt_vlblock_to_solids(gedp, vbp, namebuf, 0);
	bn_vlblock_free(vbp);
	vbp = (struct bn_vlblock *)NULL;

	rt_db_free_internal(&intern);
	rt_db_free_internal(&intern2);
	return GED_OK;
    }

    if (BU_STR_EQUAL(argv[2], "csg")) {
	/* Call csg conversion routine */
	struct bu_vls bname_csg;
	bu_vls_init(&bname_csg);
	bu_vls_sprintf(&bname_csg, "csg_%s", solid_name);
	if (db_lookup(gedp->ged_wdbp->dbip, bu_vls_addr(&bname_csg), LOOKUP_QUIET) != RT_DIR_NULL) {
	    bu_vls_printf(gedp->ged_result_str, "%s already exists.", bu_vls_addr(&bname_csg));
	    bu_vls_free(&bname_csg);
	    return GED_OK;
	}
	bu_vls_free(&bname_csg);
	return _ged_brep_to_csg(gedp, argv[1]);
    }

    /* make sure arg isn't --no-evaluate */
    if (argc > 2 && argv[2][1] != '-') {
	op = db_str2op(argv[2]);
    }

    if (op != DB_OP_NULL) {
	/* test booleans on brep.
	 * u: union, i: intersect, -: diff, x: xor
	 */
	struct rt_db_internal intern2, intern_res;
	struct rt_brep_internal *bip;

	if (argc != 5) {
	    bu_vls_printf(gedp->ged_result_str, "Error: There should be exactly 5 params.\n");
	    return GED_ERROR;
	}

	/* get the other solid */
	if ((ndp = db_lookup(gedp->ged_wdbp->dbip,  argv[3], LOOKUP_NOISY)) == RT_DIR_NULL) {
	    bu_vls_printf(gedp->ged_result_str, "Error: %s is not a solid or does not exist in database", argv[3]);
	    return GED_ERROR;
	} else {
	    real_flag = (ndp->d_addr == RT_DIR_PHONY_ADDR) ? 0 : 1;
	}

	if (!real_flag) {
	    /* solid doesn't exist - don't kill */
	    bu_vls_printf(gedp->ged_result_str, "Error: %s is not a real solid", argv[3]);
	    return GED_OK;
	}

	GED_DB_GET_INTERNAL(gedp, &intern2, ndp, bn_mat_identity, &rt_uniresource, GED_ERROR);

	rt_brep_boolean(&intern_res, &intern, &intern2, op);
	bip = (struct rt_brep_internal*)intern_res.idb_ptr;
	mk_brep(gedp->ged_wdbp, argv[4], bip->brep);
	rt_db_free_internal(&intern);
	rt_db_free_internal(&intern2);
	rt_db_free_internal(&intern_res);
	return GED_OK;
    }

    if (BU_STR_EQUAL(argv[2], "selection")) {
	ret = selection_command(gedp, &intern, argc, argv);
	if (BU_STR_EQUAL(argv[3], "translate") && ret == 0) {
	    GED_DB_PUT_INTERNAL(gedp, ndp, &intern, &rt_uniresource, GED_ERROR);
	}
	rt_db_free_internal(&intern);

	return ret;
    }

    if (!RT_BREP_TEST_MAGIC(bi)) {
	/* The solid is not in brep form. Covert it to brep. */

	struct bu_vls bname, suffix;
	int no_evaluation = 0;

	bu_vls_init(&bname);
	bu_vls_init(&suffix);

	if (argc == 2) {
	    /* brep obj */
	    bu_vls_sprintf(&bname, "%s_brep", solid_name);
	    bu_vls_sprintf(&suffix, "_brep");
	} else if (BU_STR_EQUAL(argv[2], "--no-evaluation")) {
	    no_evaluation = 1;
	    if (argc == 3) {
		/* brep obj --no-evaluation */
		bu_vls_sprintf(&bname, "%s_brep", solid_name);
		bu_vls_sprintf(&suffix, "_brep");
	    } else if (argc == 4) {
		/* brep obj --no-evaluation suffix */
		bu_vls_sprintf(&bname, argv[3]);
		bu_vls_sprintf(&suffix, argv[3]);
	    }
	} else {
	    /* brep obj brepname/suffix */
	    bu_vls_sprintf(&bname, argv[2]);
	    bu_vls_sprintf(&suffix, argv[2]);
	}

	if (no_evaluation && intern.idb_type == ID_COMBINATION) {
	    struct bu_vls bname_suffix;
	    bu_vls_init(&bname_suffix);
	    bu_vls_sprintf(&bname_suffix, "%s%s", solid_name, bu_vls_addr(&suffix));
	    if (db_lookup(gedp->ged_wdbp->dbip, bu_vls_addr(&bname_suffix), LOOKUP_QUIET) != RT_DIR_NULL) {
		bu_vls_printf(gedp->ged_result_str, "%s already exists.", bu_vls_addr(&bname_suffix));
		bu_vls_free(&bname);
		bu_vls_free(&suffix);
		bu_vls_free(&bname_suffix);
		return GED_OK;
	    }
	    brep_conversion_comb(&intern, bu_vls_addr(&bname_suffix), bu_vls_addr(&suffix), gedp->ged_wdbp, mk_conv2mm);
	    bu_vls_free(&bname_suffix);
	} else {
	    struct rt_db_internal brep_db_internal;
	    ON_Brep* brep;
	    if (db_lookup(gedp->ged_wdbp->dbip, bu_vls_addr(&bname), LOOKUP_QUIET) != RT_DIR_NULL) {
		bu_vls_printf(gedp->ged_result_str, "%s already exists.", bu_vls_addr(&bname));
		bu_vls_free(&bname);
		bu_vls_free(&suffix);
		return GED_OK;
	    }
	    ret = brep_conversion(&intern, &brep_db_internal, gedp->ged_wdbp->dbip);
	    if (ret == -1) {
		bu_vls_printf(gedp->ged_result_str, "%s doesn't have a "
			"brep-conversion function yet. Type: %s", solid_name,
			intern.idb_meth->ft_label);
	    } else if (ret == -2) {
		bu_vls_printf(gedp->ged_result_str, "%s cannot be converted "
			"to brep correctly.", solid_name);
	    } else {
		brep = ((struct rt_brep_internal *)brep_db_internal.idb_ptr)->brep;
		ret = mk_brep(gedp->ged_wdbp, bu_vls_addr(&bname), brep);
		if (ret == 0) {
		    bu_vls_printf(gedp->ged_result_str, "%s is made.", bu_vls_addr(&bname));
		}
		rt_db_free_internal(&brep_db_internal);
	    }
	}
	bu_vls_free(&bname);
	bu_vls_free(&suffix);
	rt_db_free_internal(&intern);
	return GED_OK;
    }

    BU_ALLOC(stp, struct soltab);

    if (argc == 2) {
	bu_vls_printf(gedp->ged_result_str, "Usage: %s %s\n", argv[0], usage);
	bu_vls_printf(gedp->ged_result_str, "\t%s is in brep form, please input a command.", solid_name);
	return GED_HELP;
    }

    valid_command = 0;
    for (i = 0; i < num_commands; ++i) {
	if (BU_STR_EQUAL(argv[2], commands[i])) {
	    valid_command = 1;
	    break;
	}
    }

    if (!valid_command) {
	bu_vls_printf(gedp->ged_result_str, "Usage: %s %s\n", argv[0], usage);
	bu_vls_printf(gedp->ged_result_str, "\t%s is in brep form, please input a command.", solid_name);
	return GED_HELP;
    }

    if ((bs = (struct brep_specific*)stp->st_specific) == NULL) {
	BU_ALLOC(bs, struct brep_specific);
	bs->brep = bi->brep;
	bi->brep = NULL;
	stp->st_specific = (void *)bs;
    }

    vbp = rt_vlblock_init();

    brep_command(gedp->ged_result_str, solid_name, (const struct rt_tess_tol *)&gedp->ged_wdbp->wdb_ttol, &gedp->ged_wdbp->wdb_tol, bs, bi, vbp, argc, argv, commtag);

    if (BU_STR_EQUAL(argv[2], "translate")) {
	bi->brep = bs->brep;
	GED_DB_PUT_INTERNAL(gedp, ndp, &intern, &rt_uniresource, GED_ERROR);
    }

    snprintf(namebuf, 64, "%s%s_", commtag, solid_name);
    _ged_cvt_vlblock_to_solids(gedp, vbp, namebuf, 0);
    bn_vlblock_free(vbp);
    vbp = (struct bn_vlblock *)NULL;

    rt_db_free_internal(&intern);

    return GED_OK;
}
/*
 * This routine is the drawable geometry object's analog of rt_gettrees().
 * Add a set of tree hierarchies to the active set.
 * Note that argv[0] should be ignored, it has the command name in it.
 *
 * Returns -
 * 0 Ordinarily
 * -1 On major error
 */
int
_ged_drawtrees(struct ged *gedp, int argc, const char *argv[], int kind, struct _ged_client_data *_dgcdp)
{
    int ret = 0;
    int c;
    int ncpu = 1;
    int nmg_use_tnurbs = 0;
    int enable_fastpath = 0;
    struct model *nmg_model;
    struct _ged_client_data dgcdp;
    int i;
    int ac = 1;
    char *av[3];

    RT_CHECK_DBI(gedp->ged_wdbp->dbip);

    if (argc <= 0)
	return -1;	/* FAIL */

    ++drawtrees_depth;
    av[1] = (char *)0;

    /* options are already parsed into _dgcdp */
    if (_dgcdp != (struct _ged_client_data *)0) {
	dgcdp = *_dgcdp;            /* struct copy */
    } else {
	struct bview *gvp;

	memset(&dgcdp, 0, sizeof(struct _ged_client_data));
	dgcdp.gedp = gedp;

	gvp = gedp->ged_gvp;
	if (gvp && gvp->gv_adaptive_plot)
	    dgcdp.autoview = 1;
	else
	    dgcdp.autoview = 0;

	/* Initial values for options, must be reset each time */
	dgcdp.draw_nmg_only = 0;	/* no booleans */
	dgcdp.nmg_triangulate = 1;
	dgcdp.draw_wireframes = 0;
	dgcdp.draw_normals = 0;
	dgcdp.draw_solid_lines_only = 0;
	dgcdp.draw_no_surfaces = 0;
	dgcdp.shade_per_vertex_normals = 0;
	dgcdp.draw_edge_uses = 0;
	dgcdp.wireframe_color_override = 0;
	dgcdp.fastpath_count = 0;
	dgcdp.shaded_mode_override = _GED_SHADED_MODE_UNSET;

	/* default color - red */
	dgcdp.wireframe_color[0] = 255;
	dgcdp.wireframe_color[1] = 0;
	dgcdp.wireframe_color[2] = 0;

	/* default transparency - opaque */
	dgcdp.transparency = 1.0;

	/* freesolid */
	dgcdp.freesolid = gedp->freesolid;

	enable_fastpath = 0;

	/* Parse options. */
	bu_optind = 0;		/* re-init bu_getopt() */
	while ((c = bu_getopt(argc, (char * const *)argv, "dfhm:nqstuvwx:C:STP:A:oR")) != -1) {
	    switch (c) {
		case 'u':
		    dgcdp.draw_edge_uses = 1;
		    break;
		case 's':
		    dgcdp.draw_solid_lines_only = 1;
		    break;
		case 't':
		    nmg_use_tnurbs = 1;
		    break;
		case 'v':
		    dgcdp.shade_per_vertex_normals = 1;
		    break;
		case 'w':
		    dgcdp.draw_wireframes = 1;
		    break;
		case 'S':
		    dgcdp.draw_no_surfaces = 1;
		    break;
		case 'T':
		    dgcdp.nmg_triangulate = 0;
		    break;
		case 'n':
		    dgcdp.draw_normals = 1;
		    break;
		case 'P':
		    ncpu = atoi(bu_optarg);
		    break;
		case 'q':
		    dgcdp.do_not_draw_nmg_solids_during_debugging = 1;
		    break;
		case 'd':
		    dgcdp.draw_nmg_only = 1;
		    break;
		case 'f':
		    enable_fastpath = 1;
		    break;
		case 'C':
		    {
			int r, g, b;
			char *cp = bu_optarg;

			r = atoi(cp);
			while ((*cp >= '0' && *cp <= '9')) cp++;
			while (*cp && (*cp < '0' || *cp > '9')) cp++;
			g = atoi(cp);
			while ((*cp >= '0' && *cp <= '9')) cp++;
			while (*cp && (*cp < '0' || *cp > '9')) cp++;
			b = atoi(cp);

			if (r < 0 || r > 255) r = 255;
			if (g < 0 || g > 255) g = 255;
			if (b < 0 || b > 255) b = 255;

			dgcdp.wireframe_color_override = 1;
			dgcdp.wireframe_color[0] = r;
			dgcdp.wireframe_color[1] = g;
			dgcdp.wireframe_color[2] = b;
		    }
		    break;
		case 'h':
		    dgcdp.hiddenLine = 1;
		    dgcdp.shaded_mode_override = _GED_SHADED_MODE_ALL;
		    break;
		case 'm':
		    dgcdp.shaded_mode_override = atoi(bu_optarg);

		    switch (dgcdp.shaded_mode_override) {
			case 0:
			    dgcdp.shaded_mode_override = _GED_WIREFRAME;
			    break;
			case 1:
			    dgcdp.shaded_mode_override = _GED_SHADED_MODE_BOTS;
			    break;
			case 2:
			    dgcdp.shaded_mode_override = _GED_SHADED_MODE_ALL;
			    break;
			case 3:
			    dgcdp.shaded_mode_override = _GED_SHADED_MODE_EVAL;
			    break;
			default:
			    if (dgcdp.shaded_mode_override < 0) {
				dgcdp.shaded_mode_override = _GED_SHADED_MODE_UNSET;
			    } else {
				dgcdp.shaded_mode_override = _GED_SHADED_MODE_ALL;
			    }
		    }
		    break;
		case 'x':
		    dgcdp.transparency = atof(bu_optarg);

		    /* clamp it to [0, 1] */
		    if (dgcdp.transparency < 0.0)
			dgcdp.transparency = 0.0;

		    if (1.0 < dgcdp.transparency)
			dgcdp.transparency = 1.0;

		    break;
		case 'R':
		    dgcdp.autoview = 0;
		    break;
		case 'A':
		case 'o':
		    /* nothing to do, handled by edit_com wrapper on the front-end */
		    break;
		default:
		    {
			bu_vls_printf(gedp->ged_result_str, "unrecognized option - %c\n", c);
			--drawtrees_depth;
			return GED_ERROR;
		    }
	    }
	}
	argc -= bu_optind;
	argv += bu_optind;

	switch (kind) {
	    case _GED_DRAW_WIREFRAME:
		dgcdp.dmode = _GED_WIREFRAME;
		if (dgcdp.shaded_mode_override != _GED_SHADED_MODE_UNSET) {
		    dgcdp.dmode = dgcdp.shaded_mode_override;
		} else if (gedp->ged_gdp->gd_shaded_mode) {
 		    dgcdp.dmode = gedp->ged_gdp->gd_shaded_mode;
		}
		break;
	    case _GED_DRAW_NMG_POLY:
		dgcdp.dmode = _GED_BOOL_EVAL;
		break;
	}

    }

    if (!argc) {
	bu_vls_printf(gedp->ged_result_str, "Please specify one or more objects to be drawn.\n");
	--drawtrees_depth;
	return -1;
    }

    switch (kind) {
	default:
	    bu_vls_printf(gedp->ged_result_str, "ERROR, bad kind\n");
	    --drawtrees_depth;
	    return -1;
	case _GED_DRAW_WIREFRAME:
	    /*
	     * If asking for wireframe and in shaded_mode and no shaded mode override,
	     * or asking for wireframe and shaded mode is being overridden with a value
	     * greater than 0, then draw shaded polygons for each object's primitives if possible.
	     *
	     * Note -
	     * If shaded_mode is _GED_SHADED_MODE_BOTS, only BOTS and polysolids
	     * will be shaded. The rest is drawn as wireframe.
	     * If shaded_mode is _GED_SHADED_MODE_ALL, everything except pipe solids
	     * are drawn as shaded polygons.
	     */
	    if (dgcdp.dmode == _GED_SHADED_MODE_BOTS ||
		dgcdp.dmode == _GED_SHADED_MODE_ALL  ||
		dgcdp.dmode == _GED_SHADED_MODE_EVAL)
	    {
		struct _ged_client_data dgcdp_save;

		for (i = 0; i < argc; ++i) {
		    if (drawtrees_depth == 1)
			dgcdp.gdlp = dl_addToDisplay(gedp->ged_gdp->gd_headDisplay, gedp->ged_wdbp->dbip, argv[i]);

		    if (dgcdp.gdlp == GED_DISPLAY_LIST_NULL)
			continue;

		    dgcdp_save = dgcdp;

		    if (dgcdp.dmode == _GED_SHADED_MODE_EVAL) {
			ret = plot_shaded_eval(gedp, argv[i], &dgcdp);
			if (ret == GED_OK) {
			    continue;
			}
			/* if evaluated shading failed, fall back to "all" mode */
			dgcdp.gedp->ged_gdp->gd_shaded_mode = 0;
			dgcdp.shaded_mode_override = _GED_SHADED_MODE_ALL;
			dgcdp.dmode = _GED_SHADED_MODE_ALL;
		    }

		    av[0] = (char *)argv[i];
		    ret = db_walk_tree(gedp->ged_wdbp->dbip,
				       ac,
				       (const char **)av,
				       ncpu,
				       &gedp->ged_wdbp->wdb_initial_tree_state,
				       NULL,
				       draw_check_region_end,
				       draw_check_leaf,
				       (void *)&dgcdp);

		    dgcdp = dgcdp_save;
		}
	    } else {
		struct display_list **paths_to_draw;
		struct display_list *gdlp;

		paths_to_draw = (struct display_list **)
		    bu_malloc(sizeof(struct display_list *) * argc,
		    "redraw paths");

		/* create solids */
		for (i = 0; i < argc; ++i) {
		    struct bview_client_data bview_data;
		    bview_data.draw_solid_lines_only = dgcdp.draw_solid_lines_only;
		    bview_data.wireframe_color_override = dgcdp.wireframe_color_override;
		    bview_data.wireframe_color[0]= dgcdp.wireframe_color[0];
		    bview_data.wireframe_color[1]= dgcdp.wireframe_color[1];
		    bview_data.wireframe_color[2]= dgcdp.wireframe_color[2];
		    bview_data.transparency= dgcdp.transparency;
		    bview_data.dmode = dgcdp.dmode;
		    bview_data.hiddenLine = dgcdp.hiddenLine;
		    bview_data.freesolid = (void *)gedp->freesolid;

		    dgcdp.gdlp = dl_addToDisplay(gedp->ged_gdp->gd_headDisplay, gedp->ged_wdbp->dbip, argv[i]);
		    bview_data.gdlp = dgcdp.gdlp;

		    /* store draw path */
		    paths_to_draw[i] = dgcdp.gdlp;

		    if (dgcdp.gdlp == GED_DISPLAY_LIST_NULL) {
			continue;
		    }

		    av[0] = (char *)argv[i];
		    ret = db_walk_tree(gedp->ged_wdbp->dbip,
				       ac,
				       (const char **)av,
				       ncpu,
				       &gedp->ged_wdbp->wdb_initial_tree_state,
				       NULL,
				       wireframe_region_end,
				       append_solid_to_display_list,
				       (void *)&bview_data);
		}

		/* We need to know the view size in order to choose
		 * appropriate input values for the adaptive plot
		 * routines. Unless we're keeping the current view,
		 * we need to autoview now so we have the correct
		 * view size for plotting.
		 */
		if (dgcdp.autoview) {
		    const char *autoview_args[2] = {"autoview", NULL};
		    ged_autoview(gedp, 1, autoview_args);
		}

		/* calculate plot vlists for solids of each draw path */
		for (i = 0; i < argc; ++i) {
		    gdlp = paths_to_draw[i];

		    if (gdlp == GED_DISPLAY_LIST_NULL) {
			continue;
		    }

		    ret = dl_redraw(gdlp, gedp->ged_wdbp->dbip, &gedp->ged_wdbp->wdb_initial_tree_state, gedp->ged_gvp, gedp->ged_create_vlist_callback);
		    if (ret < 0) {
			bu_vls_printf(gedp->ged_result_str,
				"%s: %s redraw failure\n", argv[0], argv[i]);
			return GED_ERROR;
		    }
		}

		bu_free(paths_to_draw, "draw paths");
	    }
	    break;
	case _GED_DRAW_NMG_POLY:
	    {
		nmg_model = nmg_mm();
		gedp->ged_wdbp->wdb_initial_tree_state.ts_m = &nmg_model;
		if (dgcdp.draw_edge_uses) {
		    bu_vls_printf(gedp->ged_result_str, "Doing the edgeuse thang (-u)\n");
		    dgcdp.draw_edge_uses_vbp = rt_vlblock_init();
		}

		for (i = 0; i < argc; ++i) {
		    if (drawtrees_depth == 1)
			dgcdp.gdlp = dl_addToDisplay(gedp->ged_gdp->gd_headDisplay, gedp->ged_wdbp->dbip, argv[i]);

		    if (dgcdp.gdlp == GED_DISPLAY_LIST_NULL)
			continue;

		    av[0] = (char *)argv[i];
		    ret = db_walk_tree(gedp->ged_wdbp->dbip,
				       ac,
				       (const char **)av,
				       ncpu,
				       &gedp->ged_wdbp->wdb_initial_tree_state,
				       enable_fastpath ? draw_nmg_region_start : 0,
				       draw_nmg_region_end,
				       nmg_use_tnurbs ? nmg_booltree_leaf_tnurb : nmg_booltree_leaf_tess,
				       (void *)&dgcdp);
		}

		if (dgcdp.draw_edge_uses) {
		    _ged_cvt_vlblock_to_solids(gedp, dgcdp.draw_edge_uses_vbp, "_EDGEUSES_", 0);
		    bn_vlblock_free(dgcdp.draw_edge_uses_vbp);
		    dgcdp.draw_edge_uses_vbp = (struct bn_vlblock *)NULL;
		}

		/* Destroy NMG */
		nmg_km(nmg_model);
		break;
	    }
    }

    --drawtrees_depth;

    if (dgcdp.fastpath_count) {
	bu_log("%d region%s rendered through polygon fastpath\n",
	       dgcdp.fastpath_count, dgcdp.fastpath_count == 1 ? "" : "s");
    }

    if (ret < 0)
	return -1;

    return 0;	/* OK */
}