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/*****************************************************************************
8 |( g9 b  P( I5 P2 ~**
** test.c
/ n* N8 K3 C3 q* Z  L) {8 l) k**
9 v3 D# I% a  `* E0 v4 R** Description:
**     Contains Unigraphics entry points for the application.
**
*****************************************************************************/
; {- k: ^( U3 F/* Include files */
, R0 v0 o5 ]# q, ~#include <stdio.h>
#include <uf.h>
#include <uf_ui.h>
#include <uf_modl.h>
3 z& b- I, j. m4 g/ d#include <uf_curve.h>
# E/ s& ]2 L, ]) z#include <uf_part.h>
#include <uf_modl_types.h>
- g, O# d% |7 o8 ^5 F1 U- p#define UF_CALL(X) (report_error( __FILE__, __LINE__, #X, (X)))
% B" }" F- m3 V" S5 r. ^5 [6 Q. W4 h! s) sstatic int report_error( char *file, int line, char *call, int irc)
{
! {6 j& J* V& A4 j" B4 |* [1 r! q+ Q    if (irc)
7 a3 @( M1 }5 B& a: H! f6 m    {
        char err[133],
4 C) ~* S/ x0 H% `" B* x             msg[133];
; [7 |: |5 r  ~5 z* p* s        sprintf(msg, "*** ERROR code %d at line %d in %s:\n+++ ",
0 O7 \, z) K; s8 F# A. y            irc, line, file);
( S& F! X6 l3 y: O) _; {, [8 b; ^        UF_get_fail_message(irc, err);
  H- N8 }4 L: f9 C8 @8 _7 {- u        UF_print_syslog(msg, FALSE);
        UF_print_syslog(err, FALSE);
        UF_print_syslog("\n", FALSE);
        UF_print_syslog(call, FALSE);
: d* }/ C9 l+ |5 |+ b8 u$ Q2 S        UF_print_syslog(";\n", FALSE);
        if (!UF_UI_open_listing_window())
        {
            UF_UI_write_listing_window(msg);
            UF_UI_write_listing_window(err);
! z- q( }: G+ c( N1 X, m            UF_UI_write_listing_window("\n");
            UF_UI_write_listing_window(call);
; x& Q; q% K7 A& E/ _3 Y3 G            UF_UI_write_listing_window(";\n");
6 {/ n9 M- f) ]7 g; K! z- }& T        }
    }
    return(irc);
}
8 g( f/ L! P- o7 y: s* X+ y
  E% u: ]' \& y! ~/*****************************************************************************
**  Activation Methods
*****************************************************************************/
8 G" _. @8 y0 g2 R- K! r  y/*  Explicit Activation
**      This entry point is used to activate the application explicitly, as in
2 m6 s1 j. c" E+ F' y**      "File->Execute UG/Open->User Function..." */
tag_t part_tag=NULL_TAG;
tag_t tar_tag=NULL_TAG;
double origin[3]={0.0,0.0,0.0};
# O7 p& j8 W- Schar *height="30";
char *diam="100";
" U' b& D) i+ N; I7 J3 f) l4 mdouble direction[3]={0.0,1.0,0.0};
tag_t cylinderfea_tag=NULL_TAG;
* T0 O5 \$ m' Duf_list_p_t edge_list=NULL;
6 y( \1 r" y7 P  g( _int edge_count;
, Y5 L  ~3 x# U6 ?+ p7 m7 {char msg[256];
! R  d% b4 {, D$ ^% U, `' _& Dint i=0;
tag_t edge_tag=NULL_TAG;
tag_t curve_tag=NULL_TAG;
tag_t point_tag=NULL_TAG;
+ W1 H" I+ Y, Q! k, xtag_t line_tag=NULL_TAG;
, P# J6 ~4 g% f& ]  v: I. e- i4 J3 p, Rtag_t point_tag2=NULL_TAG;
4 \( A( i5 K* V/ xdouble cen[2][3];
UF_CURVE_line_t line_coord;//最好不要定义为指针
4 d; @# ^8 k5 h/ `/ u: J9 jextern DllExport void ufusr( char *parm, int *returnCode, int rlen )
{
8 S! c6 T4 W) s6 s8 k1 d0 q$ Q    /* Initialize the API environment */
% ?9 |# A2 I3 O1 g" n0 r    if( UF_CALL(UF_initialize()) )
( v% i; Q/ v0 X2 P- D; h! d    {
1 i0 I# P: m6 I9 s7 H5 e) q: t6 M        /* Failed to initialize */
        return;
2 Y  x. N/ ?5 N9 X    }
, [2 A6 I8 z; |   
! G  R  r' h0 k  a" \0 N6 S    /* TODO: Add your application code here */
//1.create a new part
UF_PART_new("C:\\NX_work\\cylinder.prt",1,&part_tag);
& H( J, J1 |0 h! E/ [( L5 F //2.create a new cylinder
UF_MODL_create_cylinder(UF_NULLSIGN,tar_tag,origin,height,diam,direction,&cylinderfea_tag);
//3.get the edge list
UF_MODL_ask_feat_edges(cylinderfea_tag,&edge_list);
  d8 D3 s" ?0 y6 C+ i //4.get the edges
UF_MODL_ask_list_count(edge_list,&edge_count);

7 o3 R: A! B6 i* [ //5.get the centers
( L6 n7 u( q' H% t5 h: [) e for(;i<edge_count;++i){
  UF_MODL_ask_list_item(edge_list,i,&edge_tag);
  //UF_MODL_create_curve_from_edge(edge_tag,&curve_tag);
  UF_CURVE_ask_centroid(edge_tag,cen[i]);
}
; X  ^. k# A8 ?5 f0 u //6.create line
//UF_CURVE_create_point(cen[0],&point_tag);
//UF_CURVE_create_point(cen[1],&point_tag2);
' g2 Y7 W# `3 a% |7 {! s/ } line_coord.start_point[0]=cen[0][0];
! o) ?. P$ t' ]" h# t' I% c line_coord.start_point[1]=cen[0][1];
line_coord.start_point[2]=cen[0][2];
line_coord.end_point[0]=cen[1][0];
line_coord.end_point[1]=cen[1][1];
line_coord.end_point[2]=cen[1][2];
1 F6 v% m) a  F- C  | UF_CURVE_create_line(&line_coord,&line_tag);
//UF_MODL_ask_list_item()
% {4 P# n9 o# P" k* T    /* Terminate the API environment */
( ^* s9 e. r* x, F1 j" u0 g1 L4 `    UF_CALL(UF_terminate());
}
) f( r) v" d* C9 H- x- B/*****************************************************************************
**  Utilities
*****************************************************************************/
1 L5 p4 J& `3 H' o" @* a6 H2 L5 M$ i/* Unload Handler
**     This function specifies when to unload your application from Unigraphics.
**     If your application registers a callback (from a MenuScript item or a
8 O" Q, g3 V# ]' \. Y* r**     User Defined Object for example), this function MUST return
" G/ C7 m, E4 M+ J  z. D& p**     "UF_UNLOAD_UG_TERMINATE". */
" ^) G- @1 V" j3 \& x, P$ jextern int ufusr_ask_unload( void )
{
    return( UF_UNLOAD_IMMEDIATELY );
}

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继续加油哦 ！！！