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/*****************************************************************************
**
** test.c
3 c+ H9 g& T& v6 \**
** Description:
**     Contains Unigraphics entry points for the application.
**
6 n) ~2 w; v  c& y( D/ U& Z*****************************************************************************/
6 @" B- u7 ^3 m/* Include files */
#include <stdio.h>
#include <uf.h>
#include <uf_ui.h>
#include <uf_modl.h>
#include <uf_curve.h>
- ]7 K1 C# D! X#include <uf_part.h>
: d# f9 k+ e' B# Z, o#include <uf_modl_types.h>
#define UF_CALL(X) (report_error( __FILE__, __LINE__, #X, (X)))
static int report_error( char *file, int line, char *call, int irc)
$ k6 w9 B8 F4 V2 `# \/ E  m. }{
0 P5 t' \, r7 `% ~: r8 ]    if (irc)
7 d9 X# k- u& E) h! @% V    {
% z: ?2 w  Q2 j. V4 R! f        char err[133],
) h' }* `# `9 c. k6 s4 A             msg[133];
        sprintf(msg, "*** ERROR code %d at line %d in %s:\n+++ ",
            irc, line, file);
: I. z6 s8 `9 T9 g4 _" T        UF_get_fail_message(irc, err);
  |. Y! B/ T. l* E& n        UF_print_syslog(msg, FALSE);
        UF_print_syslog(err, FALSE);
6 r, }, |# ?' S1 F/ ?        UF_print_syslog("\n", FALSE);
3 P) g3 m" w# N/ t- o% D/ R0 J        UF_print_syslog(call, FALSE);
        UF_print_syslog(";\n", FALSE);
$ S% {/ O1 T$ k/ J$ x9 n        if (!UF_UI_open_listing_window())
' N+ }" c0 u" c' @% r5 q        {
            UF_UI_write_listing_window(msg);
            UF_UI_write_listing_window(err);
            UF_UI_write_listing_window("\n");
' S' d* Y: }0 `, t/ a( g            UF_UI_write_listing_window(call);
' @# q  K5 l' ^0 j            UF_UI_write_listing_window(";\n");
# p- d) m+ o" f! V        }
    }
    return(irc);
0 Z4 v- n1 b$ v1 k# _4 G9 a- k}
0 P5 L# e/ q7 N4 V
/*****************************************************************************
**  Activation Methods
4 `, k# n1 M7 i  M*****************************************************************************/
( z* E+ b9 [& n! n/ p6 ~/*  Explicit Activation
**      This entry point is used to activate the application explicitly, as in
% d1 S  i. z, D  N. w**      "File->Execute UG/Open->User Function..." */
tag_t part_tag=NULL_TAG;
+ p' N& w6 N9 M  z! @# q! A* jtag_t tar_tag=NULL_TAG;
- V: o5 c( v$ w  \9 w. i7 Hdouble origin[3]={0.0,0.0,0.0};
8 X  w, A  ~% q. H5 f: dchar *height="30";
char *diam="100";
" R9 ^6 G6 i# v$ E0 Q2 Adouble direction[3]={0.0,1.0,0.0};
tag_t cylinderfea_tag=NULL_TAG;
9 p; K* H( g' D( w' ruf_list_p_t edge_list=NULL;
int edge_count;
char msg[256];
int i=0;
tag_t edge_tag=NULL_TAG;
8 K$ H; F4 t  t1 Z, t( jtag_t curve_tag=NULL_TAG;
' v6 R) n1 B+ t7 Ntag_t point_tag=NULL_TAG;
% i$ T" v1 B& jtag_t line_tag=NULL_TAG;
; ^" ~/ q! T, v% k) }- F; Z: P3 ]tag_t point_tag2=NULL_TAG;
double cen[2][3];
7 J# W' P/ y; N& FUF_CURVE_line_t line_coord;//最好不要定义为指针
+ N/ n8 |# K# L( e3 ?extern DllExport void ufusr( char *parm, int *returnCode, int rlen )
{
* i9 a! r7 B/ r' A. w  }2 \    /* Initialize the API environment */
    if( UF_CALL(UF_initialize()) )
3 h6 d# ~+ x/ ]  k0 r    {
# j7 _6 }6 D8 C0 V3 a, B( j        /* Failed to initialize */
        return;
    }
& `+ g* n9 `" @; q' B   
9 S& E/ a& N. t) J$ G    /* TODO: Add your application code here */
//1.create a new part
UF_PART_new("C:\\NX_work\\cylinder.prt",1,&part_tag);
* r( ^. }$ r3 b% @- [  W //2.create a new cylinder
; v' ?8 `* r5 g# O& e UF_MODL_create_cylinder(UF_NULLSIGN,tar_tag,origin,height,diam,direction,&cylinderfea_tag);
//3.get the edge list
) x: D! j% h* c. y% B UF_MODL_ask_feat_edges(cylinderfea_tag,&edge_list);
//4.get the edges
# J" T* A  a( d5 d! Z% u UF_MODL_ask_list_count(edge_list,&edge_count);

" Q! b4 H/ J5 \ //5.get the centers
for(;i<edge_count;++i){
4 N5 q9 H/ T! P5 j  UF_MODL_ask_list_item(edge_list,i,&edge_tag);
1 o( i3 p7 n7 K  u2 B  //UF_MODL_create_curve_from_edge(edge_tag,&curve_tag);
, z6 q1 d4 c3 q2 O# I  UF_CURVE_ask_centroid(edge_tag,cen[i]);
/ k4 F. I/ [5 R# y9 `; H# _$ t }
//6.create line
3 |. O# T8 D( L) m' n7 W //UF_CURVE_create_point(cen[0],&point_tag);
3 N1 C9 J# m7 F8 S1 }- k8 H0 @ //UF_CURVE_create_point(cen[1],&point_tag2);
. H: D- y" O7 d3 X+ q( J line_coord.start_point[0]=cen[0][0];
/ L4 w. N* k( n( R line_coord.start_point[1]=cen[0][1];
line_coord.start_point[2]=cen[0][2];
line_coord.end_point[0]=cen[1][0];
8 U2 ~2 d1 R4 J" r+ A+ x3 ` line_coord.end_point[1]=cen[1][1];
line_coord.end_point[2]=cen[1][2];
UF_CURVE_create_line(&line_coord,&line_tag);
" ~3 i# T; h( H( i6 _9 k( @' k) e //UF_MODL_ask_list_item()
    /* Terminate the API environment */
    UF_CALL(UF_terminate());
9 y: S3 S1 k' E6 c}
  Z+ i- t. Y2 s& O0 U7 Y/*****************************************************************************
**  Utilities
: ^7 L: x/ _3 x/ e( b*****************************************************************************/
/* Unload Handler
# b1 f# ?) p! V5 \0 d**     This function specifies when to unload your application from Unigraphics.
**     If your application registers a callback (from a MenuScript item or a
**     User Defined Object for example), this function MUST return
  d" e- W8 l7 l1 d  _3 T% a**     "UF_UNLOAD_UG_TERMINATE". */
extern int ufusr_ask_unload( void )
. M5 \( j. i9 V9 c2 k% [6 I" `# ?{
3 o: X% L0 I$ R6 b    return( UF_UNLOAD_IMMEDIATELY );
}

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继续加油哦 ！！！