C++ (Cpp) mk_export_fwrite示例

示例#1

int
main(int argc, char **argv)
{
    point_t	a, b, c, d;
    struct rt_wdb *fp;

    si.magic = RT_NURB_INTERNAL_MAGIC;
    si.nsrf = 0;
    si.srfs = (struct face_g_snurb **)bu_malloc( sizeof(struct face_g_snurb *)*100, "snurb ptrs");

    if ((fp = wdb_fopen(argv[1])) == NULL) {
        bu_log("unable to open new database [%s]\n", argv[1]);
        perror("unable to open database file");
        return 1;
    }

    mk_id( fp, "Mike's Spline Test" );

    VSET( a,  0,  0,  0 );
    VSET( b, 10,  0,  0 );
    VSET( c, 10, 10,  0 );
    VSET( d,  0, 10,  0 );

    make_face( a, b, c, d, 2 );

    mk_export_fwrite( fp, "spl", (genptr_t)&si, ID_BSPLINE );

    return 0;
}

示例#2

int
main(int argc, char *argv[])
{
    point_t a, b, c, d;
    struct rt_wdb *fp;
    struct rt_nurb_internal *si;
    char *filename = "spltest.g";
    int helpflag;

    if (argc < 1 || argc > 2) {
    	printusage(argv);
	bu_exit(1,NULL);
    }

    helpflag = (argc == 2 && ( BU_STR_EQUAL(argv[1],"-h") || BU_STR_EQUAL(argv[1],"-?")));
    if (argc == 1 || helpflag) {
    	printusage(argv);
	if (helpflag)
		bu_exit(1,NULL);
	bu_log("       Program continues running:\n");
    }

    if (argc == 2)
	filename = argv[1];

    if ((fp = wdb_fopen(filename)) == NULL) {
	perror("unable to open geometry database for writing");
	bu_exit(1, "unable to open new database [%s]\n", filename);
    }

    mk_id(fp, "Mike's Spline Test");

    VSET(a,  0,  0,  0);
    VSET(b, 10,  0,  -5);
    VSET(c, 10, 10,  10);
    VSET(d,  0, 10,  0);

    BU_ALLOC(si, struct rt_nurb_internal);
    si->magic = RT_NURB_INTERNAL_MAGIC;
    si->nsrf = 0;
    si->srfs = (struct face_g_snurb **)bu_malloc(sizeof(struct face_g_snurb *)*100, "allocate snurb ptrs");

    make_face(si, a, b, c, d, 2);

    /* wdb_export */
    mk_export_fwrite(fp, "spltest", (void *)si, ID_BSPLINE);
    bu_log("Saving file %s\n",filename);

    return 0;
}