Hallo Kai,
anbei ein Beispiel aus der UG/Answer-Seite:
/*HEAD CREATE_SMART_POINTS_AT_EQUAL_ARCLENGTH_DISTANCES_ALONG_CURVE CCC UFUN */
#include <stdio.h>
#include <string.h>
#include <uf.h>
#include <uf_modl.h>
#include <uf_curve.h>
#include <uf_ui.h>
#include <uf_so.h>
#include <uf_object_types.h>
#define UF_CALL(X) (report_error( __FILE__, __LINE__, #X, (X)))
static int report_error( char *file, int line, char *call, int irc)
{
if (irc)
{
char err[133],
msg[133];
sprintf(msg, "*** ERROR code %d at line %d in %s:\n+++ ",
irc, line, file);
UF_get_fail_message(irc, err);
/* NOTE: UF_print_syslog is new in V18 */
UF_print_syslog(msg, FALSE);
UF_print_syslog(err, FALSE);
UF_print_syslog("\n", FALSE);
UF_print_syslog(call, FALSE);
UF_print_syslog(";\n", FALSE);
if (!UF_UI_open_listing_window())
{
UF_UI_write_listing_window(msg);
UF_UI_write_listing_window(err);
UF_UI_write_listing_window("\n");
UF_UI_write_listing_window(call);
UF_UI_write_listing_window(";\n");
}
}
return(irc);
}
/*ARGSUSED*/
static int mask_for_curves(UF_UI_selection_p_t select, void *type)
{
UF_UI_mask_t
mask[4] = { { UF_line_type, 0, 0 },
{ UF_circle_type, 0, 0 },
{ UF_conic_type, 0, 0 },
{ UF_spline_type, 0, 0 } };
if (!UF_CALL(UF_UI_set_sel_mask(select,
UF_UI_SEL_MASK_CLEAR_AND_ENABLE_SPECIFIC, 4, mask)))
return (UF_UI_SEL_SUCCESS);
else
return (UF_UI_SEL_FAILURE);
}
extern tag_t select_a_curve(char *prompt)
{
int
resp;
double
cp[3];
tag_t
object,
view;
UF_CALL(UF_UI_select_with_single_dialog("Select a curve", prompt,
UF_UI_SEL_SCOPE_ANY_IN_ASSEMBLY, mask_for_curves, NULL, &resp,
&object, cp, &view));
if (resp == UF_UI_OBJECT_SELECTED | | resp == UF_UI_OBJECT_SELECTED_BY_NAME)
{
UF_CALL(UF_DISP_set_highlight(object, 0));
return object;
}
else return NULL_TAG;
}
static logical prompt_for_a_number(char *prompt, char *item, double *number)
{
int
irc,
resp;
char
menu[1][16];
double
da[1];
strcpy(&menu[0][0], item);
da[0] = *number;
resp = uc1609(prompt, menu, 1, da, &irc);
if (resp == 3 | | resp == 4)
{
*number = da[0];
return TRUE;
}
else return FALSE;
}
static void create_smart_points_spaced_along_curve(tag_t curve, double distance)
{
tag_t
last,
offset,
start;
double
total_dist,
length = 0.;
UF_CALL(UF_CURVE_ask_arc_length(curve, 0., 1., UF_MODL_UNITS_PART, &length));
UF_CALL(UF_SO_create_scalar_double(curve, UF_SO_update_after_modeling,
0.0, &start));
UF_CALL(UF_SO_create_scalar_double(curve, UF_SO_update_after_modeling,
distance, &offset));
UF_CALL(UF_SO_create_point_on_curve(curve, UF_SO_update_after_modeling,
curve, start, &last));
UF_CALL(UF_SO_set_visibility_option(last, UF_SO_visible));
for (total_dist = distance; total_dist <= length; total_dist = total_dist + distance )
{
UF_CALL(UF_SO_create_point_along_curve(curve,
UF_SO_update_after_modeling, curve, last, offset,
UF_SO_point_along_curve_distance, FALSE, &last));
UF_CALL(UF_SO_set_visibility_option(last, UF_SO_visible));
}
}
static void do_it(void)
{
tag_t
curve;
double
dst = 10.0;
while (((curve = select_a_curve("Create points along")) != NULL_TAG)
&& prompt_for_a_number("Distance", "Distance:", &dst))
create_smart_points_spaced_along_curve(curve, dst);
}
/*ARGSUSED*/
void ufusr(char *param, int *retcode, int paramLen)
{
if (UF_CALL(UF_initialize())) return;
do_it();
UF_terminate();
}
int ufusr_ask_unload(void)
{
return (UF_UNLOAD_IMMEDIATELY);
}
Gruß Michael
------------------
Eine Antwort auf diesen Beitrag verfassen (mit Zitat/Zitat des Beitrags) IP
Foren auf CAD.de (alle Foren)
| 
-Proggi nutzen. In der Referenz bin ich bislang leider nicht fündig geworden. Kann es sein dass die Open/API
