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/*****************************************************************************
**
( r. I" _% |9 z5 d# |  b) |** test.c
**
** Description:
4 H/ O# [/ w" k: s( i; c" p**     Contains Unigraphics entry points for the application.
8 w" B* I4 P% m& V0 l5 O( Y**
*****************************************************************************/
/* Include files */
#include <stdio.h>
#include <uf.h>
#include <uf_ui.h>
  @( O0 \+ x. M#include <uf_modl.h>
#include <uf_curve.h>
+ s: {. l; h" F  I9 h! \1 y#include <uf_part.h>
( z4 V6 B3 H) S, v0 k#include <uf_modl_types.h>
& G3 w* `3 ]7 }7 b#define UF_CALL(X) (report_error( __FILE__, __LINE__, #X, (X)))
; w" N" u# Q% ]" O8 z& R* Ostatic int report_error( char *file, int line, char *call, int irc)
( m5 [" d4 [: J* @" \4 }( q# V{
; T( i. }9 s+ s    if (irc)
    {
  M7 T7 q# U' \8 ?6 v/ Q$ D6 Y3 h: l        char err[133],
             msg[133];
, j6 k7 i. A, v( u3 u4 a* k; s  v        sprintf(msg, "*** ERROR code %d at line %d in %s:\n+++ ",
8 g9 l) G. i! J' z, O  E            irc, line, file);
1 k+ y3 I9 Y! c: v2 O' J        UF_get_fail_message(irc, err);
        UF_print_syslog(msg, FALSE);
        UF_print_syslog(err, FALSE);
        UF_print_syslog("\n", FALSE);
" p9 m1 J" {; P7 q* G; C        UF_print_syslog(call, FALSE);
* D: u3 w; {! F3 E# @( S% l5 C5 X        UF_print_syslog(";\n", FALSE);
) Y  V' q6 B+ a6 R# r' X7 }$ B. j        if (!UF_UI_open_listing_window())
3 n( O0 b7 {- L+ F6 w' T3 H        {
            UF_UI_write_listing_window(msg);
# Q/ ]% z6 e! g( Q( A& a$ p8 ^            UF_UI_write_listing_window(err);
1 s- _# O) M5 a% S" ^; `+ Y            UF_UI_write_listing_window("\n");
            UF_UI_write_listing_window(call);
/ K* Z* u6 |5 V            UF_UI_write_listing_window(";\n");
        }
    }
$ I9 I: J& q" B! m    return(irc);
}

/*****************************************************************************
**  Activation Methods
/ ^8 g2 i! V3 y2 t*****************************************************************************/
/*  Explicit Activation
# H1 h8 }5 c- c' x**      This entry point is used to activate the application explicitly, as in
**      "File->Execute UG/Open->User Function..." */
tag_t part_tag=NULL_TAG;
tag_t tar_tag=NULL_TAG;
( c$ g) W# C: jdouble origin[3]={0.0,0.0,0.0};
7 C$ y1 ]" N! k/ J, Z1 X9 Tchar *height="30";
char *diam="100";
double direction[3]={0.0,1.0,0.0};
tag_t cylinderfea_tag=NULL_TAG;
2 E  n" L+ G$ @# O/ P% R3 n' Tuf_list_p_t edge_list=NULL;
int edge_count;
$ a+ A' k+ ^4 i. J' k' A: Qchar msg[256];
& }" b% I; r9 @7 }, z  _" Tint i=0;
tag_t edge_tag=NULL_TAG;
7 V& u( s) i) C3 U9 ]3 Xtag_t curve_tag=NULL_TAG;
% k' N4 u; ?/ Atag_t point_tag=NULL_TAG;
; p, N% A# N& D9 z$ X) y5 G6 {tag_t line_tag=NULL_TAG;
& V% _) D. ^+ ]  P- y9 btag_t point_tag2=NULL_TAG;
double cen[2][3];
5 V  d; a' v. A, KUF_CURVE_line_t line_coord;//最好不要定义为指针
extern DllExport void ufusr( char *parm, int *returnCode, int rlen )
+ N( f% s1 _0 F4 n{
    /* Initialize the API environment */
' c* `* A  `$ l) _! w3 x5 P    if( UF_CALL(UF_initialize()) )
    {
        /* Failed to initialize */
0 I; Z' ~9 w3 |/ J& u) e9 X2 [        return;
    }
   
    /* TODO: Add your application code here */
//1.create a new part
UF_PART_new("C:\\NX_work\\cylinder.prt",1,&part_tag);
# ?9 T1 [: t% {6 o //2.create a new cylinder
UF_MODL_create_cylinder(UF_NULLSIGN,tar_tag,origin,height,diam,direction,&cylinderfea_tag);
" b! U* y2 o( P0 m$ h- M# @0 ^9 ^ //3.get the edge list
2 P& m3 u  V$ ^ UF_MODL_ask_feat_edges(cylinderfea_tag,&edge_list);
//4.get the edges
" K6 s3 m& g! S% Q UF_MODL_ask_list_count(edge_list,&edge_count);

( }$ }: b: [  X //5.get the centers
for(;i<edge_count;++i){
) O% T# G" d. v  UF_MODL_ask_list_item(edge_list,i,&edge_tag);
! G# @% q6 D. Y/ _$ a* W  //UF_MODL_create_curve_from_edge(edge_tag,&curve_tag);
  UF_CURVE_ask_centroid(edge_tag,cen[i]);
}
//6.create line
+ a, i7 \* u6 o+ O* P //UF_CURVE_create_point(cen[0],&point_tag);
//UF_CURVE_create_point(cen[1],&point_tag2);
line_coord.start_point[0]=cen[0][0];
line_coord.start_point[1]=cen[0][1];
$ C1 \# |" P# Z2 n line_coord.start_point[2]=cen[0][2];
' `) y- Y0 ?1 g( m" ]( J0 W line_coord.end_point[0]=cen[1][0];
4 y$ R6 Y* s- O, f& \ line_coord.end_point[1]=cen[1][1];
3 S3 |- H* [( Q5 t7 M: A. h; f line_coord.end_point[2]=cen[1][2];
UF_CURVE_create_line(&line_coord,&line_tag);
//UF_MODL_ask_list_item()
3 V$ _6 B" Z5 ?    /* Terminate the API environment */
    UF_CALL(UF_terminate());
$ f7 Z% k! \8 i6 R' J& h}
: X3 e! _' U% N: g6 Y; x. e$ O8 M/*****************************************************************************
**  Utilities
7 W- ~/ L2 |9 y) t*****************************************************************************/
) w& W" {$ O+ }$ U, a/* Unload Handler
8 O1 r; |, k$ q8 \**     This function specifies when to unload your application from Unigraphics.
9 B% A, M, T# c2 q**     If your application registers a callback (from a MenuScript item or a
**     User Defined Object for example), this function MUST return
**     "UF_UNLOAD_UG_TERMINATE". */
6 d: m! o* I5 W7 Gextern int ufusr_ask_unload( void )
{
+ W. n& \& q) a7 ]$ g# A' D    return( UF_UNLOAD_IMMEDIATELY );
4 W/ |# G; I! j& r# i}

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继续加油哦 ！！！