|
|
请使用QQ关联注册PLM之家,学习更多关于内容,更多精彩原创视频供你学习!
您需要 登录 才可以下载或查看,没有账号?注册
x
3 ]4 I' q( ]+ a z( W
" y, L- R* W7 z
) b) O5 y. C* f; j" Y
+ Q' {4 ^0 a) a- r4 ?" Z7 `- /******************************************************************************
0 M8 I& l5 ^. A - Copyright (c) 1999 Unigraphics Solutions, Inc.6 W! D( U8 c* b+ |' o0 i* }) Y
- Unpublished - All Rights Reserved
7 J W0 g1 Y7 g/ n8 l8 m
; D. @ C/ H/ H/ x5 q- *******************************************************************************// g& C+ x5 v: ]3 F$ D
- /* This example demonstrates the UF_EVAL api for lines and arcs.6 P% {) w" w5 b& p) p5 a% q: v! a
- Some of the UF_EVAL routines operate on an evaluator
2 Q6 L4 G8 s, L8 g3 T- o% E - independent of type while others are type dependent. No longer use% @9 v. s, ]; i
- UF_CURVE_ask_curve_struct ( ),1 I1 K/ N; }. y9 L2 l4 k# ^4 l
- UF_CURVE_ask_curve_struct_data ( ) and
) }" R0 u5 J! k6 ?6 D& v - UF_CURVE_free_curve_struct ( )! `+ z* I7 o( r D) G* v' V7 {/ ?
- */$ M/ |$ I0 E# }/ m$ y
- ( |+ I6 w0 F- s
- #include <stdio.h>
6 k: s Y( W( o" g/ p - #include <uf_object_types.h>
2 p3 N. i0 D7 U- k* z6 b' | - #include <uf_curve.h>8 [* F/ L) k" D4 ]5 T! q2 q
- #include <uf_eval.h>- T: Z+ {" H% V% I
- #include <uf_modl.h>
/ w* a: S) H) u2 { - #include <uf_part.h>
3 G0 ^( I) v4 O2 P - #include <uf_so.h>
# U# |" J' C k6 [) f) [ - #include <uf.h>
; x8 D8 v6 i" U - #define UF_CALL( X ) ( report ( __FILE__, __LINE__, #X, ( X ) ) ), q7 Q* t( L! T
- static void show_edge_points(UF_EVAL_p_t eval, int n_pts);$ x. `# {' U$ J) W: U! J% f/ I
- /*---------------------------------------------------------------*/0 W8 z; ]4 p. k- | a! S
- static int report ( char *file, int line, char *call, int irc )
% F. Y4 `* j6 l$ R; q! S - {5 ~& K) E7 a( W5 Y5 N5 A
- if ( irc )5 r) u; ]& Z+ A+ n/ G) U3 C+ s
- {
& z( Y7 B4 P/ D) Q0 ?+ A- j - char message [ 132 + 1 ];% j# X7 e* B; L( B& y# ?; s
- printf ( "%s, line %d: %s\n", file, line, call );* o8 [0 i7 C0 A: j C% N' c
- UF_get_fail_message ( irc, message ) ?
# h! v$ P5 q& u, q - printf ( " error %d\n", irc ) :
7 }/ j6 q4 Y) }5 B) i" A# z7 m - printf ( " error %d: %s\n", irc, message );
& C- q) t! R5 L" m+ }% n& o z - }! n4 k" h- H) ~: A! \
- return irc;, ]1 y1 h6 [* K( G0 L2 M; e, l
- }' T3 y/ ~7 P* j( |0 D
- /*---------------------------------------------------------------*/
+ P7 ~$ o% z$ U& S$ L, N, U) I$ T - int ufusr_ask_unload ( void )
3 C2 d* ~5 x0 |8 n- n - {
. x8 R6 Y6 g& n& R: ~9 T" q - return UF_UNLOAD_IMMEDIATELY;* Q9 Y$ q0 l: q9 v
- }4 h3 O+ M8 z7 y' s
- /*---------------------------------------------------------------*/6 h: q; {' p/ }6 F$ Q' p: b( N
- /* ARGSUSED */
, l4 o6 u, c* g( G! h3 ` - extern void ufusr ( char *param, int *reTCod, int param_len )
/ V7 f L4 E# V( w - {
$ P$ ^/ x+ L) L - tag_t line;+ l- S; o- l: i, ~1 K/ V
- tag_t arc;
0 Z3 e5 D; w" v, s! |3 B' w2 s - tag_t edge;! K3 Q" W) l' e" |
- tag_t edges [ 3 ];2 \. `$ e3 P6 U+ s, x t
- UF_EVAL_p_t line_evaluator;5 x# T$ r( h; N6 y
- UF_EVAL_p_t arc_evaluator;5 ]1 ]2 G- U: }; x# o L
- UF_EVAL_p_t edge_evaluator;
7 s: p1 d }( T- L. i h* |: O - UF_CALL ( UF_initialize ( ) );
6 @ e2 z; c) e) [* R* a - /*
3 H* e7 ^; y' x# i+ a2 A: Q9 K - Create new part "ufd_eval.prt".
- z1 c7 R S. z+ u - + L: n4 a2 U' H2 Y2 Z- e
- Close part if it already exists.
/ G* v, N5 f$ p - */+ B# r6 w$ s7 V; `! q$ l
- {- S) ?3 y! H: N: t/ d' _* K' Z# m' E. D
- tag_t part = UF_PART_ask_part_tag ( "ufd_eval.prt" );4 q- M6 B7 @/ r) z+ T9 z, r% B3 W
- if ( part != NULL_TAG )
: V, I* n: |3 q( I H/ o) L - {
' i: M+ z) e) G, j+ c - UF_CALL ( UF_PART_close ( part, 0, 1 ) );9 F6 \- s6 y/ {& K% ]3 h4 f* i5 ~
- }$ d( g+ h( C# K) O: x1 w
- UF_CALL ( UF_PART_new ( "UGd_eval.prt", ( v! a" X* X% }6 [/ p- {0 s
- UF_PART_ENGLISH, ! m& d8 x! n: ~* |/ N0 H/ V
- &part ) );# z* j/ l* z) j( @5 }" ?
- }4 A1 r* ]: z# X
- /*
% M$ O/ o) a' b, T0 f4 |( H- A - Create block and get edges. ! y% l. ]4 t" b4 u0 D3 ]% `2 j. P
- *// Q' w4 k& l& U+ v- B* e7 L
- {
3 |. N1 B4 {. t5 o0 J) }; x# Y1 u - double origin [ ] = { 0.0, 0.0, 0.0 };
. e1 J. c! @" n8 A y. P - char *sizes [ ] = { "1", "1", "1" };
1 j- V- G; }; P; t - tag_t block_feature;4 b! o0 J' q) H: @4 |5 V6 N
- ; y: U4 A1 n, L }9 v
- UF_CALL ( UF_MODL_create_block1 ( UF_NULLSIGN, / Z5 r6 O9 [# \9 q4 S
- origin,
% j7 A; k: E6 \2 D }1 l2 i. i - sizes,
3 ]! M( d8 F3 p& J! ^9 B - &block_feature ) );
4 Y8 i, ?! u3 n- F6 b - {; F( O9 b/ _5 Y" v4 ^% y4 j
- uf_list_p_t edge_list;
0 w/ f% [5 Q0 g4 l5 N- n4 `; N - UF_CALL ( UF_MODL_ask_feat_edges ( block_feature,
; K* b6 c/ } G+ `- S; ? - &edge_list ) );% ]4 d' l: m4 `% o) b
- 8 z4 U0 l. h1 G: {
- UF_CALL ( UF_MODL_ask_list_item ( edge_list, $ T* m* ?0 r2 {5 B4 U8 V
- 1,
: D& N; q5 _+ t& B; h - &edge ) );( u, L3 @! a- z* D- P6 o
- edges [ 0 ] = edge;
6 y+ p0 U1 Y. Y' X - edges [ 1 ] = edge;0 U! @+ v' S( ?: q: f5 L) K2 _! J
- UF_CALL ( UF_MODL_ask_list_item ( edge_list, 6 P( G& ?& h) n" p
- 0, 0 r1 k# {; d6 I% a' u: N& @3 [
- &edges [ 2 ] ) );
: L2 ?( q1 R/ A1 W( [ - UF_CALL ( UF_MODL_delete_list ( &edge_list ) );
S6 [& [2 V; u9 ?5 \& {$ ]3 u - }1 p' q- U7 ]" b1 G; |* T
- }
, D/ s. c m' F, j) S - /*
4 N$ C& A2 @0 m( c9 I% f - Create smart line.
9 }, S+ }9 A1 f" Z - */ a7 I9 v/ X$ r; t
- UF_CALL ( UF_SO_create_curve_extract ; {3 U( E8 Q4 y& f* D# b1 [9 y5 w
- (
" J/ k0 V& |0 u" v. A7 r- M* M - edge,
; ~1 b2 ~/ h, l, G ^2 [2 t6 I: P - UF_SO_update_after_modeling, - [0 L9 V6 \4 i! T* a, k0 P
- edge,& a! _1 x5 Y9 H. v |4 z/ p" N; v
- UF_line_type, /* enforce line type */! Y7 @7 n5 y( P/ k! e8 }% ]# S
- 0, /* no subtype to enforce */
1 x5 f( C$ J ^: ~, Y0 E' d4 g - NULL_TAG,2 w7 ?9 B0 X$ F/ b
- &line 9 G: E: g! b" b4 q
- ) );
8 E. }. x5 H2 T! T1 @" ~& k* V - : L2 A) x2 R, }; W
- /*
" T* g p. S8 r" B- N" k3 `1 P5 D - Create smart arc.% B, u5 w C, R# H' c* w5 C# \# f
- */
0 k% A; H/ z6 m6 ^7 W8 {: g - {
" c7 F2 c/ v8 c4 a: n" j d. d- i - int i;+ o5 I$ C2 ^: O6 @) X- E% ^" \
- tag_t points [ 3 ];. L, o% N6 D9 V5 V3 Q4 x, B
- for ( i = 0; i < 3; i++ )
- n: E) l$ I4 l/ ] - {3 L! N+ Y/ w$ \9 J1 C6 _% S' H
- char *strings [ ] = { "center=1.0", # L; ^0 A( j* L! P5 g, ~; P4 Y' ~
- "start=0.0",
" @ S+ N( J4 O% q) f - "end=1.0" };) |, H1 ~" _$ _: C( |) i% J& S) u
- tag_t exps [ 3 ]; D6 a% v; y l
- tag_t scalars [ 3 ];: S7 y2 j$ E8 ?0 a7 @. R5 c8 R
- UF_CALL ( UF_MODL_create_exp_tag ( strings [ i ],
& x) U0 h: `6 C0 h% A; Q/ U% H - &exps [ i ] ) );
+ n6 e3 t S% y0 z - UF_CALL ( UF_SO_create_scalar_exp
% O5 d/ `/ v( n7 i - (
5 r" n% n% N' P - exps [ i ],* U l9 e* S8 L6 u
- UF_SO_update_after_modeling,
1 W/ T" Y1 P4 _5 R2 j4 g - exps [ i ], - u; E, y3 Y8 m9 w% h( g9 ^
- &scalars [ i ]
3 S" u, E0 o9 m, H - ) );
' C+ y T! T p( G/ r1 s3 R F _ - UF_CALL ( UF_SO_create_point_on_curve
$ l# s, S/ r8 v3 n$ R- w# @ - (6 P! [$ g! X. \% s& z
- edges [ i ],
7 _, p& y% \5 B4 x - UF_SO_update_after_modeling,
& R* ~" {& Y1 n6 Q" v - edges [ i ],* ?! z/ _0 C) T3 Q5 I* _4 I7 g* A Q# B
- scalars [ i ],
% u& F' n( x0 M+ Q7 D - &points [ i ]$ T0 ~. K. s/ R D5 W+ n8 s
- ) );0 A& G5 u9 \# c% n6 Z* \6 R
- }: R& h+ w6 d! O1 _3 y) V6 K& g( ~
- UF_CALL ( UF_SO_create_arc_center_2_pnts
9 _6 o! Y: S4 Z3 O - (
+ P* V. e6 A. Q D - points [ 0 ], : T. ~: B6 b3 Z8 \: D/ g7 @6 l
- UF_SO_update_after_modeling,( V+ e8 y7 p; a
- points,
8 B: p+ ^) w [8 L - &arc 0 b; m9 k& L/ ~) u/ ?# C
- ) );) E; \, d8 l, ~
- }
9 p# V2 b0 _" y! f8 M9 P - / ^" e7 u. Q: `! u; L% ?
- /* $ [5 P9 d( Z; H
- Smart objects are created as invisible objects by ; `' ?) j7 s; v. [4 t9 `
- default. UF_SO_set_visibility_option ( ) can be 7 R5 C1 {2 T$ W
- used to make them visible in the graphics window.
2 q! C# L8 E) u& r. X# S& b7 z - */: u# }7 e3 ]6 @! z
- UF_CALL ( UF_SO_set_visibility_option ( line, 4 l( l2 ^+ ]9 [4 \9 b, L
- UF_SO_visible ) );
2 n1 a$ m" S4 e. {, J$ | - UF_CALL ( UF_SO_set_visibility_option ( arc, : \; B6 G7 n' ?- ~
- UF_SO_visible ) );
J C! x2 \3 B - /*
3 c' d; o& o: V1 j* U - Get line/arc/edge evaluators.
; C; Y2 c. ]& C5 S1 B - */
( Y$ n6 k! ^. ] - UF_CALL ( UF_EVAL_initialize ( line, &line_evaluator ) );2 s3 L& f+ W' c% z9 f9 s) i
- UF_CALL ( UF_EVAL_initialize ( arc, &arc_evaluator ) );
4 |% Q6 H; Y1 Y+ z N7 f0 O - UF_CALL ( UF_EVAL_initialize ( edge, &edge_evaluator ) );- r1 e# a& n; l- R0 ?9 V
- show_edge_points(line_evaluator, 10);- }8 V- h/ C" B$ o: y! L
- show_edge_points(arc_evaluator, 10);/ L5 e: x! `& e; s5 F! s
- show_edge_points(edge_evaluator, 10);5 ^. P! Y; {2 ?6 v) h0 q7 a9 X; a
- /*
P4 L% O' ?; a3 l - Get line/arc/edge data.
1 K2 T+ c& s0 c( h m6 c - */' G0 Z9 v, `5 X4 ]/ M) q
- {
0 l. @8 Q: x5 D. J) Y# g5 d - UF_EVAL_line_t line_data;
/ i' `- G* g& C" B! U2 Z, H. v) L - UF_EVAL_arc_t arc_data;6 T' ^; R, m" l6 ^# y! @" i
- UF_EVAL_line_t edge_data;0 Z/ W9 j$ P) Z( H6 S5 ^4 s- l) q2 Z
- UF_CALL ( UF_EVAL_ask_line ( line_evaluator,
( @2 @# t+ M: `# y9 F - &line_data ) );/ Z0 J! D' i4 ?$ }
- UF_CALL ( UF_EVAL_ask_arc ( arc_evaluator,
* J* h6 h5 H% w2 v3 u - &arc_data ) );
- U* G+ r$ e3 h1 ?2 g7 E# Y" j - UF_CALL ( UF_EVAL_ask_line ( edge_evaluator, # T. Q1 Y3 ^9 n1 t5 N2 l" r
- &edge_data ) );
0 O9 Z# d, V$ ?. m - } a( X, S/ P/ S; s8 _8 N+ f4 |
- /* 5 E8 e* V; u3 t9 B* x- B4 r0 k- V
- Check line/arc/edge periodicity.0 V/ o7 |# E9 v0 r9 S, R
- */
3 c, k+ z0 D5 b) _0 Z# D( i- }" v - {
' K( [& R5 H& e1 g: D- h5 R* V - logical is_periodic;
* m2 g2 L {: \- ?( | - * x: w8 y! e4 e
- UF_CALL ( UF_EVAL_is_periodic ( line_evaluator, 7 t" I0 ~! z9 ^( l
- &is_periodic ) );( L6 L/ v+ b2 A1 {" Z- a4 S* I
- UF_CALL ( UF_EVAL_is_periodic ( arc_evaluator, 8 E I. l4 [. f4 \
- &is_periodic ) );2 |4 t+ H% S/ E0 F( e9 K& o
- UF_CALL ( UF_EVAL_is_periodic ( edge_evaluator, 9 K3 U* F0 x7 L
- &is_periodic ) );
5 c% ]* u/ V' d( ? H - }
3 i; P: M% u8 T7 ` - /*
) x% G- j' {3 _0 k$ |' S - Evaluate line/arc/edge.
+ r# W$ q" z$ ~/ U- _1 f - */8 r& p* H2 R* {5 U3 w
- {1 g. {! {, F) [/ E9 r& K
- double limits [ 2 ]; ) Y0 B) @" ~; k, F8 x, Z
- double mid_t;6 z7 \# Q2 N% ]. E. y2 r
- double point [ 3 ];
$ w% [/ D+ N& X5 v - double derivative [ 3 ];$ G2 m% P! l# G; D1 f9 h: t
- double tangent [ 3 ];7 b; v) X& ^6 T! W3 a7 h- q6 m
- double normal [ 3 ];- ?0 h. E& t# z/ a( \0 V
- double binormal [ 3 ];
$ g2 g( H% u2 u$ ~, f - UF_CALL ( UF_EVAL_ask_limits ( line_evaluator, limits ) );( L' s8 l, Z0 g# U4 |! D o3 ^1 w
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;/ n$ K* g6 N1 a: P) ?+ ]- r' N
- UF_CALL ( UF_EVAL_evaluate ( line_evaluator,
; y, @$ M6 W) T( ^0 i5 ] - 1,
5 |% i4 y7 u+ t* b" b - mid_t,
" O. H7 i0 v+ X3 g* _3 R6 M$ J' b3 a - point,
3 d# L/ Y, x2 d8 b' { - derivative ) );
" n% {1 H4 ?8 u - V1 t$ o" u! L6 z( m& S m% _
- UF_CALL ( UF_EVAL_evaluate_unit_vectors ( line_evaluator, $ e' Q4 _% J0 P& j2 ^
- mid_t,
! }& [ B" v8 R' x# ]% { - point, 8 u4 |# o0 s# U6 K
- tangent,
/ \; A; o* Z/ C& x3 B2 t* v - normal,
0 f1 s9 D3 @" [& @2 a - binormal ) );
4 V4 a7 N+ E& f$ f7 N) T* ?6 r - UF_CALL ( UF_EVAL_ask_limits ( arc_evaluator, limits ) );
2 u( K1 w- ^0 `* T$ w" ]3 @ - mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;
" k, j% |/ x/ s4 i/ M - 9 r- A0 [% }2 k6 t
- UF_CALL ( UF_EVAL_evaluate ( arc_evaluator, 5 P' A! W1 H2 ]5 n
- 1,
8 K% L$ a2 M$ a# N/ D - mid_t, 2 R4 m0 M. U3 v5 ?, U7 I8 H% I
- point, 6 w5 u% g2 f5 |) b/ b( K1 L) |
- derivative ) );5 X/ N4 B; ]6 l8 `7 a: d: M9 m
- + q9 Y4 \' u f5 s* Q
- UF_CALL ( UF_EVAL_evaluate_unit_vectors ( arc_evaluator, $ P& }4 o3 u0 E1 K3 c+ U/ d
- mid_t, ! L; B* o M* R4 K, J+ I# \: _
- point,
0 Y! e& k% O+ n- f5 e7 F X - tangent, 2 l! T7 T/ h; \( T6 z7 s8 D
- normal, ' i! w" P; A0 t F; ^+ W
- binormal ) );% D9 K6 t# h1 _: ~& j
- UF_CALL ( UF_EVAL_ask_limits ( edge_evaluator, limits ) );" x, G( J: {2 I
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;1 r# s j2 A) M7 b% y' \( e3 r! v
- UF_CALL ( UF_EVAL_evaluate ( edge_evaluator, , _6 G& v7 r6 z& k
- 1,
! w$ Z7 z, A; b9 r2 U - mid_t,
0 V% |- c; h) ^& c8 v* {% N - point, * q- b- h2 f' v
- derivative ) );
$ ?. T6 f8 \* h# C4 Z - UF_CALL ( UF_EVAL_evaluate_unit_vectors ( edge_evaluator,
9 V6 |1 R; h6 w! d7 ] - mid_t, 4 M$ }# l+ d0 ~, F
- point,
7 r' d2 k$ K" {- e. \9 ?9 S, P - tangent, " |; `) |+ N- O q" U
- normal, 6 {8 A) K0 I/ O# m& ]. K
- binormal ) );
: K- h! p0 j* d z - }; M, r- @1 r* I
- /* : p5 v8 @5 {+ l9 @# {+ W
- Check line/arc/edge equality of evaluators.
! m' G& a/ O, ?# V: m - */9 ]& t7 _# Q# K) H
- {' K: Q N5 }' t% m
- logical is_equal;4 \4 A5 I" W! k" ], W6 S
- UF_EVAL_p_t line_evaluator_copy;
+ z/ L) _+ [$ l' x8 S - UF_CALL ( UF_EVAL_copy ( line_evaluator,1 d7 z+ ?/ Q: K7 J) p1 E5 G* ^; X
- &line_evaluator_copy ) );9 f* t, S+ y) I( n1 h( Y
- UF_CALL ( UF_EVAL_is_equal ( line_evaluator,
) ^3 i; o7 N; ^, w s! | - line_evaluator_copy,
2 Q+ s( }7 `# l" Z7 V6 Y - &is_equal ) );. n) K% a0 X) \) B" E( _6 F
- UF_CALL ( UF_EVAL_free ( line_evaluator_copy ) );4 Q* j# Q% v' T: B2 V1 r' F% c5 U' `
- UF_CALL ( UF_EVAL_is_equal ( line_evaluator,
0 k6 D5 X% I% B( l9 F/ N' K - arc_evaluator, . H- R6 {, t3 d, ]2 e
- &is_equal ) );% B2 l( z9 x) w/ W) M/ b
- UF_CALL ( UF_EVAL_is_equal ( line_evaluator,
1 T4 P" [; k. ^: X* m - edge_evaluator,
. B9 M8 U! y8 z9 H- S7 { - &is_equal ) );
; t- V7 E2 y- C, c - }8 @2 C u( v' ]9 Y% U
- /*
% c; B/ ~9 `$ w" v3 M0 A - Check line/arc/edge type.0 D8 H' a6 W# a; }% t3 J& |- F
- */
0 I5 C% Q2 L! y6 C4 J - {
% Y/ Z3 P: P5 |6 k - logical is_line;
! x' _6 y- L6 Q5 z0 S$ S6 O' O9 S - logical is_arc;% m, s% B, F& T' s. V* m( ^3 V8 `
- UF_CALL ( UF_EVAL_is_line ( line_evaluator, &is_line ) );" D" [6 H" S; t( ~+ h
- UF_CALL ( UF_EVAL_is_arc ( line_evaluator, &is_arc ) );
0 e# [9 ^, r- L$ P8 D - UF_CALL ( UF_EVAL_is_arc ( arc_evaluator, &is_arc ) );4 K+ p+ U2 D* ~! c
- UF_CALL ( UF_EVAL_is_line ( arc_evaluator, &is_line ) );' x! X* W# x9 M- Z) P3 e
- UF_CALL ( UF_EVAL_is_arc ( edge_evaluator, &is_arc ) );
% j0 t$ K; {; a! [! A% }: } - UF_CALL ( UF_EVAL_is_line ( edge_evaluator, &is_line ) );
" e8 {! d% @, Q& P3 | - }9 }# A+ D( |& l' B( d
- UF_CALL ( UF_EVAL_free ( line_evaluator ) );
9 J9 P; {& H$ {5 j9 E8 c+ ? - UF_CALL ( UF_EVAL_free ( arc_evaluator ) );
/ ?" V/ A, y e% ]3 _% _; v - UF_CALL ( UF_EVAL_free ( edge_evaluator ) );
p, g; ]! K. N* T9 Y+ | - UF_CALL ( UF_terminate ( ) );
" }+ F% ~% \8 R - }
2 G( q9 |6 L3 n# ?/ M) B. U
7 j7 U0 l0 m Z- S$ Y; j( F- /* This function will disply n_pts equally spaced along the1 o1 k( R$ k/ J
- input curve.( N5 x4 O1 u# W* C1 W, l4 F9 H
- */
; K; n# ? U4 k5 ^$ p0 q - static void show_edge_points(UF_EVAL_p_t eval, int n_pts)
, _* @4 m4 z# o- k ~ h4 ? - {9 K. W# g7 I+ C( f: K3 Z/ ~6 M2 L7 X1 L, ^
- int ii;
7 k! U* C8 E; C, X- F - double limits[2], p, point[3], end_parameter, start_parameter;
. z+ E) r% m$ z: x1 v2 J - UF_OBJ_disp_props_t, [7 K6 S& x6 k5 N
- attrib = { 1, UF_OBJ_WHITE, UF_OBJ_NOT_BLANKED, UF_OBJ_WIDTH_NORMAL,( N0 R- }. J) e$ f! \
- UF_OBJ_FONT_SOLID, FALSE}; \" p! e2 y9 d9 ?/ ~
% t1 ^& g6 i5 F9 S- UF_CALL(UF_EVAL_ask_limits(eval, limits));- @: k& H7 P4 L L
- printf ( "limit0 = %f\n", limits[0] );
, y* {/ k! ~8 i0 L0 W% `+ f - printf ( "limit1 = %f\n", limits[1] );
7 b' v5 Q' \5 _) D3 s' m. k# P: \ - start_parameter = limits[0];* Z7 x- x2 H2 S6 b. S2 r
- end_parameter = limits[1];6 o6 X/ J# m, c: ?6 }- Q! a
2 J$ \/ N7 b* o' O4 P- for (ii = 0; ii < n_pts; ii++)
' j' W5 H2 G: k- u3 W - {
9 P( T/ C. X: J* j - p =start_parameter + ii*((end_parameter - start_parameter)/(n_pts - 1));" t7 i1 }' b' E! O& y! i; l
- printf ( "evaluate = %f\n", p );
; x/ J7 U. u3 j5 p) ^1 \6 H - UF_CALL(UF_EVAL_evaluate(eval, 0, p, point, NULL));3 p. w1 s7 B3 j6 {
- UF_CALL(UF_DISP_display_temporary_point(NULL_TAG,
( n2 h7 p) K7 I* P% ?) ?) I - UF_DISP_USE_ACTIVE_PLUS, point, &attrib, UF_DISP_POINT));' n! h* I b4 c* L. D I
- }
+ G4 S9 _" z2 S2 e5 q% v - . z3 `& s+ ^2 x- Y2 L
- }: m7 l7 i" P8 K
复制代码 * S5 z! U6 w% e
: w: X0 q/ k( D- B
# s9 e$ Y8 H6 @ |
|