The following example creates a tube using a quarter arc and line.
Figure Tube using Quarter Arc and line
#include <uf.h>
#include <uf_curve.h>
#include <uf_modl.h>
#include <stdio.h>
#define UF_CALL(X) (report( __FILE__, __LINE__, #X, (X)))
static int report( char *file, int line, char *call, int irc)
{
if (irc)
{
char messg[133];
printf("%s, line %d: %s\n", file, line, call);
(UF_get_fail_message(irc, messg)) ?
printf(" returned a %d\n", irc) :
printf(" returned error %d: %s\n", irc, messg);
}
return(irc);
}
static void do_ugopen_api(void)
{
int obj_count;
char*body_limit[2]={"outer_diameter=4.0","inner_diameter=1.0"};
tag_t generators[2], line1, line2, *objects;
UF_MODL_SWEEP_TRIM_object_p_t trim_data = NULL;
UF_CURVE_line_t sline1, sline2;
UF_FEATURE_SIGN mode_sign = UF_NULLSIGN;
/* line#1 */
sline1.start_point[0] = 0.0;
sline1.start_point[1] = 0.0;
sline1.start_point[2] = 0.0;
sline1.end_point[0] = 0.0;
sline1.end_point[1] = 1.0;
sline1.end_point[2] = 0.0;
UF_CALL(UF_CURVE_create_line(&sline1,&line1));
/* line#2 */
sline2.start_point[0] = 0.0;
sline2.start_point[1] = 1.0;
sline2.start_point[2] = 0.0;
sline2.end_point[0] = 2.5;
sline2.end_point[1] = 3.5;
sline2.end_point[2] = 0.0;
UF_CALL(UF_CURVE_create_line(&sline2,&line2));
generators[0] = line1;
generators[1] = line2;
UF_CALL(UF_MODL_create_trimmed_tube(generators, 2, trim_data,
body_limit,
mode_sign, &objects, &obj_count));
}
/*ARGSUSED*/
void ufusr(char *param, int *retcode, int param_len)
{
if (!UF_CALL(UF_initialize()))
{
do_ugopen_api();
UF_CALL(UF_terminate());
}
}
int ufusr_ask_unload(void)
{
return (UF_UNLOAD_IMMEDIATELY);
}