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NX 二次开发中创建曲线命令及获取点，线，圆弧信息源码- ?: B* m# S! q2 y' N( ^
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- <p>static void do_UGopenapi()/ n$ \8 Y3 R" s% Y) _9 Q
- {6 ]7 d0 y; ]. T( U+ O
- /*
4 E0 D; C. u6 x! w+ d - Create Curve
+ P$ T* ?9 y- D' [ - */) Z5 R( ]4 E+ K* w# b7 e+ f
- // create line0 j% A7 D! P2 K9 \
- UF_CURVE_line_t line_coords;
$ w( U0 `8 m, {" d% l+ K - tag_t line;
2 D/ G4 C3 y& C- h! C - line_coords.start_point[0]=0;$ \+ i; k% H6 i5 t
- line_coords.start_point[1]=0;2 w; g& e. o. A# A# W( p8 h
- line_coords.start_point[2]=0;! T& d0 }# a7 @
- line_coords.end_point[0]=100;
+ ~6 f- {# i! Y& r ]2 F9 X - line_coords.end_point[1]=100;1 q$ t$ X1 N* y# k2 K! I; F4 }$ w
- line_coords.end_point[2]=100;# F* q" x# G \+ @$ G' J
- UF_CURVE_create_line(&line_coords,&line);</p><p> //create arc6 J% I( a1 U% ~, J" q! K
- UF_CURVE_arc_t arc_coords;
& j+ x# O+ i/ z& I' g4 s0 b5 F - tag_t arc,marix,wcs;* U1 a- N5 r) K% z# N! _
- UF_CSYS_ask_wcs(&wcs);
* C3 ~ P" |: k2 P2 m - UF_CSYS_ask_matrix_of_object(wcs,&marix);
: l5 P1 v$ v- M - arc_coords.arc_center[0]=0;
3 g9 V) d2 p* n - arc_coords.arc_center[1]=0;" m7 E; _4 q: W7 ]8 `* ^0 {4 i
- arc_coords.arc_center[2]=0;' r8 j. X9 f1 \+ T7 T5 c
- arc_coords.start_angle=90*DEGRA;
( z) \+ V& ?) K& G1 _9 h1 U/ c U4 J - arc_coords.end_angle=270*DEGRA;
5 b1 G2 y5 l# m! J - arc_coords.radius=100;
2 E6 J% q2 V4 j3 Y+ K - arc_coords.matrix_tag=marix;
: `8 E) E8 d' r! ]" w - UF_CURVE_create_arc(&arc_coords,&arc); @7 j: k4 w4 d+ m: [3 S
- // create point ! O5 u3 T" V/ o9 _
- double point_coords[3]={100,100,100};
' j" A" C* Z4 N* ?1 ~; h4 f - tag_t point;
. ~9 _$ L3 A) X5 F* s: F - UF_CURVE_create_point(point_coords,&point);
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- // create Plane9 F# I" V" Y) w. H! H* Z, {
- double origin_point[3]={100,100,100};" H3 m+ b. B8 a8 w4 X2 ?
- double plane_normal[3]={1,0,0};
" f% f; d7 G' L$ S - tag_t plane_tag; X) I% f# g0 N4 i
- UF_MODL_create_plane(origin_point,plane_normal,&plane_tag);</p><p> /*8 H4 m' l# E* S6 L" l: ~$ C; K
- Get the curve information8 T! O; E# ?$ W1 @/ D+ l
- */
. t# y- t6 Q/ P# V8 g0 |; q' q - UF_UI_open_listing_window();
* w" \; ~8 q- g - char msg[132];
# A* x# Q: a: r" Z - // get line information" q2 m/ k0 P7 c/ p& X* K
- UF_CURVE_line_t line_info;
+ u/ X" l1 \" C6 Y% h: j - UF_CURVE_ask_line_data(line,&line_info);
# T0 ?( O0 b- ~ `1 C2 u0 ^ - sprintf(msg,"line coords:\n\t%lf,%lf,%lf;\n\t%lf,%lf,%lf",line_info.start_point[0],# b3 i a& I( n( r1 Y/ F2 m5 O# h
- line_info.start_point[1],line_info.start_point[2],line_info.end_point[0],line_info.end_point[1],5 ^- w) p" y \8 ?, N4 A
- line_info.end_point[2]);) M) L; ~; k4 q" l) `
- UF_UI_write_listing_window(msg);9 |. ?8 v2 K1 O2 n% a
- //get the point information9 A ]# b0 Q% O8 Y1 B1 E2 k
- double point_info[3];) J, }: {5 @7 a
- UF_CURVE_ask_point_data(point,point_info);
5 _7 [1 ^% u- L& i - sprintf(msg,"\npoint coords:\n\t%lf,%lf,%lf",point_info[0],point_info[1],point_info[2]);
8 }( ~. E( a8 q5 I - UF_UI_write_listing_window(msg);</p><p> //get the arc information
+ z( p7 I4 g! u7 L# |' r - UF_CURVE_arc_t arc_info;0 C. F' M; ?+ ^6 a- ?1 g
- UF_CURVE_ask_arc_data(arc,&arc_info);4 k) C& J% z! a! b* [- D* l3 A) s
- sprintf(msg,"\nArc Center coords:\n\t%lf,%lf,%lf;\nArc start Angle:\n\t%lf;\nArc End Angle:\n\t%lf;\nArc Radius:\n\t%lf;",) a4 Q: P. P) B
- arc_info.arc_center[0],arc_info.arc_center[1],arc_info.arc_center[2],& s# ^/ U' i0 p4 t2 b) x) I1 d" G
- arc_info.start_angle*RADEG,arc_info.end_angle*RADEG,arc_info.radius
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- UF_UI_write_listing_window(msg);
( m/ r$ z! I. G/ O- |! g1 S - // calculate the arc length
- I3 J! O6 ]6 B - double arc_length;
# m1 e9 O, N( I/ S$ V5 d1 A# d - UF_CURVE_ask_arc_length(arc,0,1,UF_MODL_UNITS_PART,&arc_length);! i A7 ~( B( R
- sprintf(msg,"\nArc Length:\n\t%lf",arc_length);
) [( j7 ?/ l# c; d" m. n - UF_UI_write_listing_window(msg);
: E7 Q+ S# A7 |1 X - }# G& { U: q% T8 m! m
- </p><p> </p>
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