|
|
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
+ H+ j# t) `$ K" {. G# r7 E; n
, S3 p# p/ d0 U
. ^8 `) B1 Q8 u' _, D. d" s
4 {* S1 G1 T( M0 ?- D/ q1 c- /******************************************************************************. i5 j0 O5 G2 A5 T9 n
- Copyright (c) 1999 Unigraphics Solutions, Inc.$ C7 f6 `) |) O* _& A7 W' x# [; D
- Unpublished - All Rights Reserved# E9 F/ u; v. l0 T& \3 u
- ! P- O7 j& C O" R( d0 ^
- *******************************************************************************/2 s: W* i0 x' h* I. Q9 {
- /* This example demonstrates the UF_EVAL api for lines and arcs.
+ X; x( Y2 C0 D( d) Y6 m/ C- a - Some of the UF_EVAL routines operate on an evaluator
3 R: e- ~4 P- l# ^% s - independent of type while others are type dependent. No longer use4 G& w. b \. w! N- u
- UF_CURVE_ask_curve_struct ( ),
F+ j* D0 y, m8 Z/ R: ~7 b. l& y: c* ^ - UF_CURVE_ask_curve_struct_data ( ) and( \9 a9 q# N0 c4 G- f
- UF_CURVE_free_curve_struct ( )# S7 k1 j) x+ P
- */
- R7 w3 K# N% v; L" D+ m
. i) j8 e" N7 n% b+ P. M" H& H- #include <stdio.h>
7 S3 s- q, D% \, M - #include <uf_object_types.h>5 f1 s9 S" K5 j; H0 Y: \
- #include <uf_curve.h>$ X) k5 B! @6 p7 s1 w8 c$ ?
- #include <uf_eval.h>
, x, [: ?" \* j: [4 F8 B - #include <uf_modl.h># G- w* j& |/ ~( I( Q
- #include <uf_part.h>! o! z0 M! Y1 N0 d% E7 l
- #include <uf_so.h>
0 m$ ]! s9 u' q - #include <uf.h>
/ T* d+ Z' s& V# a) I) C. V$ s - #define UF_CALL( X ) ( report ( __FILE__, __LINE__, #X, ( X ) ) )
5 ?% M; W @4 n2 F# S2 k - static void show_edge_points(UF_EVAL_p_t eval, int n_pts);
3 Z6 \' T$ m( E. m. O: G* ` - /*---------------------------------------------------------------*/
% D4 P: {- P* U k - static int report ( char *file, int line, char *call, int irc )
- r3 d; }+ Y p$ P7 y9 {* r - {' O+ k0 N* h% G0 u/ W+ H6 {- R1 E* T
- if ( irc )
' }8 `2 t& x8 V q7 T o2 u! g( G - {7 C, e9 L7 S" b5 ~0 P. ?
- char message [ 132 + 1 ];8 v0 R0 B7 ~& x2 K+ K! Q
- printf ( "%s, line %d: %s\n", file, line, call );
3 T" y. O" _9 [" ~8 f# v9 K( | - UF_get_fail_message ( irc, message ) ?. l0 u- i& [5 \( Q$ a
- printf ( " error %d\n", irc ) :
0 g* ~! N( r& S @: e( M7 S+ e* X - printf ( " error %d: %s\n", irc, message );
9 u6 Q* ^9 h; S+ G+ p - }
! ?' a6 A) | ~# B5 K& d$ H$ s" R - return irc;9 f" m5 |0 @# _) x/ e
- }
# m8 _/ @5 h/ W! A0 q - /*---------------------------------------------------------------*/# P' }% Y3 b1 h, ], N
- int ufusr_ask_unload ( void )& R1 V! B* j }9 Q9 r/ Y0 W
- {
) ^3 e! O9 `* T) f T0 P - return UF_UNLOAD_IMMEDIATELY;
4 X! [; j% q" B( Y - }8 `) n; L2 e- ?
- /*---------------------------------------------------------------*/
! U1 T' M+ |- q+ e5 o7 s; F _ - /* ARGSUSED */
/ H3 u4 d+ x% d: G6 q - extern void ufusr ( char *param, int *reTCod, int param_len )
& X- o) r/ E6 e0 p! |: L, o; @ - {+ F3 C. ?2 ?7 Q
- tag_t line;
2 J$ q g9 n9 V2 |, y - tag_t arc;
* r. U0 g" L5 `: w* q - tag_t edge;
$ W' P9 F: n7 o - tag_t edges [ 3 ];
i* \7 v# S% n* J6 ` - UF_EVAL_p_t line_evaluator;
$ G, m- |% z% n. f5 X9 S - UF_EVAL_p_t arc_evaluator;3 I3 U" V0 l, k, D3 T# J' e
- UF_EVAL_p_t edge_evaluator;
& {, ?( h- V" c X$ u - UF_CALL ( UF_initialize ( ) );
( F w7 @8 w4 r) J+ S! X - /*
( ]! b. J( D' S - Create new part "ufd_eval.prt".
4 V) m4 k9 q. Q5 \- [ -
! W/ h( Z! D( Z# P - Close part if it already exists.
9 Z7 V r9 S6 _ - */) S% m+ w; a, _9 v8 D, L2 P
- {
0 G" u/ O! x: { - tag_t part = UF_PART_ask_part_tag ( "ufd_eval.prt" );- ?6 c5 C8 k. W9 K3 }
- if ( part != NULL_TAG )
7 _- N8 u5 T5 I) Q( J1 Q - {8 N, v( E6 T2 H# F
- UF_CALL ( UF_PART_close ( part, 0, 1 ) );. e, p0 [+ U! m P
- }
( I+ a3 K! a" B5 `) Y0 P. Y - UF_CALL ( UF_PART_new ( "UGd_eval.prt",
8 C; k5 W) K- V - UF_PART_ENGLISH, * H2 b. S- b8 k# O2 R& g) y6 V
- &part ) );4 _! i3 c/ F" ?& j' ^$ g
- }4 J0 }/ K' i. s: j" S \
- /*
+ m1 I# b2 h H4 q* F - Create block and get edges.
0 o1 p- N* E# Z5 i! R" Y6 q: j6 [, c& Y - */
6 \ p0 ]6 q, \6 I - {
" M# q3 n& |% I7 ]8 F - double origin [ ] = { 0.0, 0.0, 0.0 };* @3 t# G+ ]0 W: D7 F) I% Z/ V- t0 T6 y
- char *sizes [ ] = { "1", "1", "1" };
7 K1 U( g E" W6 Z% G. d - tag_t block_feature;# _4 Q6 O( v1 k7 M, P
- `5 b: m7 V: W5 W1 a
- UF_CALL ( UF_MODL_create_block1 ( UF_NULLSIGN,
7 Q6 I# t1 V G! t, F0 W - origin, $ @* ^% Q. V* @$ H. B5 I
- sizes, 4 u: g2 j7 L! l' p( S
- &block_feature ) );! F# X b6 W- k6 a, b" Q1 o
- {7 i7 v9 R+ f7 s( C
- uf_list_p_t edge_list;
( D- R& X" U8 Q - UF_CALL ( UF_MODL_ask_feat_edges ( block_feature, - k" l, g6 D/ p, {' I, H/ B
- &edge_list ) ); ?3 k) @; t; a- ^: c/ j# H+ A
- : ~* V) \) }# N* h( q
- UF_CALL ( UF_MODL_ask_list_item ( edge_list, . h3 p+ R+ J! }7 ?6 z9 O
- 1, 3 n+ o8 A0 b* Q$ ], m. N
- &edge ) );' A, ~! R5 M2 {5 n4 }+ @4 c4 l
- edges [ 0 ] = edge;
% I, |9 A3 [. G$ A - edges [ 1 ] = edge;- k" W( _, e. V& g; x$ [' S1 p3 k
- UF_CALL ( UF_MODL_ask_list_item ( edge_list, 5 M: Z9 M9 m" m1 D2 d
- 0,
, Z8 p6 \- j0 d. Y5 U s, c. L - &edges [ 2 ] ) );
2 f# W1 ], j8 t+ L! j - UF_CALL ( UF_MODL_delete_list ( &edge_list ) );# J/ {0 T- v( g$ L' f6 l7 v
- }
) |/ c8 S( _4 D' e6 a7 F' ^ - }& h- P% `/ ]; Q
- /*
/ ~) P& T5 `+ }! T3 Y0 T" c) P - Create smart line.
( a; x# B. A5 p/ {* y! V - *// Y3 q- A: v4 t) a# n1 F
- UF_CALL ( UF_SO_create_curve_extract
; v2 D' w3 p4 u - (
' T" v7 Y7 w+ J0 y& H5 w - edge, 6 W4 ^, `% Q0 Z ]
- UF_SO_update_after_modeling, . d' ^; D8 r/ p/ O! d1 l# B1 l
- edge, B" K7 @+ E7 I6 N8 H7 z7 |/ A6 K
- UF_line_type, /* enforce line type */
& a& a h4 N/ ^* x1 }% p - 0, /* no subtype to enforce */
9 J: o9 a! c- ]* q/ z - NULL_TAG,9 R' I1 ?3 ], N/ z; @4 c
- &line
/ |9 z9 S# s6 p# z& N- C - ) );+ U3 u. f" C3 W! e6 X7 T
-
' Y ]/ W. [+ ], p4 q6 N - /*
( F( V' J6 @" E* @, ?4 [- W z( T - Create smart arc.
5 \$ e6 c: Q n( |) i - */
2 m8 B4 e d: V' S) j - {
# r0 c; ?2 v1 ?5 V - int i;
% l, Y! i& D: ]" q; V7 q p/ N8 ~ - tag_t points [ 3 ];
2 G6 v. R! O% F6 c- d - for ( i = 0; i < 3; i++ ). D& S- `, D2 T3 ?, `
- {
; D5 v3 { O- J( H4 N5 X - char *strings [ ] = { "center=1.0",
! Y6 B( `% F1 @& g% G+ X+ O: D5 u - "start=0.0",
" z+ h1 y3 w" v5 ^4 a - "end=1.0" };+ a, ^% a- }$ D. e6 v' A9 j
- tag_t exps [ 3 ];
1 X2 O. I( [8 w& e- Q1 r - tag_t scalars [ 3 ];) |+ u0 z$ S$ V' c
- UF_CALL ( UF_MODL_create_exp_tag ( strings [ i ], " h3 p8 z H, S+ ?2 K. d
- &exps [ i ] ) );3 l1 \5 u* d% N* z
- UF_CALL ( UF_SO_create_scalar_exp 7 `1 D5 e! G# H# x
- (
8 H. T; z5 c8 g. p1 d' m. q' ` D - exps [ i ],
& T2 q3 r7 A9 r+ T" m - UF_SO_update_after_modeling, ! \( B* g% u: [
- exps [ i ], $ u6 Q2 S) ]8 ?4 v+ A; {4 D- G4 v
- &scalars [ i ]
6 \9 N6 e8 \1 X' h5 G% M - ) );
& J- Z' H7 |% H2 z2 f - UF_CALL ( UF_SO_create_point_on_curve 8 f+ `9 k& ]; }" d1 B8 G; A7 Z: Y4 t
- (
# z. q. x8 ? L/ A$ D - edges [ i ],
8 I6 | k% y% i C2 P - UF_SO_update_after_modeling,
+ V6 X- N* `& L6 D( }8 l2 Z- |* D9 ? - edges [ i ],
0 e# o/ c) Q. `4 x) i6 Z$ @ - scalars [ i ],
, R8 T+ }5 Y" {2 }% F! L3 `4 e1 E - &points [ i ]) j7 L; j! Z2 P% b9 O: U9 i/ Z
- ) );8 _& L% d0 ?2 d! v
- }* }8 Y4 y+ J5 ?! a _
- UF_CALL ( UF_SO_create_arc_center_2_pnts * Y j# R; V5 Y) ]6 ^, |, M
- (
! P0 W- |, j2 [ - points [ 0 ], $ F8 k0 Q/ Y6 o: p$ V; B' ?
- UF_SO_update_after_modeling,! t) y0 o" v' S
- points,
5 H9 k/ z2 i9 u/ ~7 x6 o - &arc
3 i" ]& ^9 ~9 [* a. K; F& a J - ) );
6 t: \8 J' k$ x( [ - }
. R R2 o/ ?5 Y6 j7 b) V" r9 c -
$ y9 Y& N9 |2 {- o3 w$ v - /* ; Z$ h5 s4 a9 I+ |' f: c4 y. f- X+ V
- Smart objects are created as invisible objects by . S3 i! N$ m6 Z0 t, ]/ C
- default. UF_SO_set_visibility_option ( ) can be 5 }; }, |- K7 G- o7 Z$ z4 [1 E1 J
- used to make them visible in the graphics window.
# p/ x" ^* |7 c" y - */0 Y9 V( X( A. M5 H) B' _# Z
- UF_CALL ( UF_SO_set_visibility_option ( line, / C: {2 [ Y8 q% [% a
- UF_SO_visible ) );
6 c6 z+ t" j0 T5 S1 [* P1 m - UF_CALL ( UF_SO_set_visibility_option ( arc, * D# `5 K/ ^7 a. d
- UF_SO_visible ) );
% F6 v# _( N( j, E+ @ - /*
6 @8 y d( _4 c7 K - Get line/arc/edge evaluators./ t% m1 s, ?; n" Y7 X# Q8 m; Y
- */
* [4 Q3 k' G9 S6 u {$ g$ i - UF_CALL ( UF_EVAL_initialize ( line, &line_evaluator ) );4 K+ t9 k6 [; W
- UF_CALL ( UF_EVAL_initialize ( arc, &arc_evaluator ) );
: G( P/ B' H1 M/ I/ `1 i - UF_CALL ( UF_EVAL_initialize ( edge, &edge_evaluator ) );
# R+ _0 D: y* n1 L+ N - show_edge_points(line_evaluator, 10);% m1 g& w) b' [! y
- show_edge_points(arc_evaluator, 10);
{4 V: n- Q, \ _+ Z - show_edge_points(edge_evaluator, 10);; ?" e2 B) ^* q- @+ L, ]
- /*
& ?9 u" F1 L; h* v( E - Get line/arc/edge data.& d5 X* `$ X* F' a! Q7 v' m
- */
) I" D! ]! @; J2 H, P% I - {
) t3 C/ y! R# V4 H% |0 u - UF_EVAL_line_t line_data;
% P: t# w: m% U1 f: J6 T - UF_EVAL_arc_t arc_data;
) ^, ^& R0 f9 L( u$ t- V$ r/ ^ - UF_EVAL_line_t edge_data;0 o+ O$ h y9 a6 [ U
- UF_CALL ( UF_EVAL_ask_line ( line_evaluator,
5 f2 H% B( e8 s - &line_data ) );
$ Q a! `& ~3 F+ I8 y! F" y - UF_CALL ( UF_EVAL_ask_arc ( arc_evaluator,
7 D4 ]. z$ D% H5 y, S5 q9 t - &arc_data ) );& P6 W5 z( H; {& J, x
- UF_CALL ( UF_EVAL_ask_line ( edge_evaluator,
' |+ V" p. ?0 C( w3 K) S) b- [ - &edge_data ) );# u" W9 T6 E' J! _4 P; L7 o
- }
0 q2 P. O' b: Z7 e' N4 j1 B# S - /* % a% U/ ~. P. |8 H4 P
- Check line/arc/edge periodicity.
) O9 L4 d7 z8 b b7 u% j - */* ]; V4 O0 e' h" R* Q. z
- {
* J, J2 M+ q* z# h - logical is_periodic;! f! S- w3 X8 m7 m
-
/ m7 ]- s8 ]3 W, z: i - UF_CALL ( UF_EVAL_is_periodic ( line_evaluator,
& ? q+ _4 R& {1 L6 ` - &is_periodic ) );( a/ V* o, r7 t8 ?
- UF_CALL ( UF_EVAL_is_periodic ( arc_evaluator,
. C. S# ?5 e, G& l8 o: K - &is_periodic ) );
8 S( Q6 ^# @6 i( l - UF_CALL ( UF_EVAL_is_periodic ( edge_evaluator, $ K0 t; G' n* r$ V& U/ C7 n
- &is_periodic ) );! K9 D) w: u! A# n' C
- }
; n" s8 r2 ]1 V - /* ! U; i; f7 `9 o7 g$ K) B) O
- Evaluate line/arc/edge." {: K2 Q0 w% \/ ]9 Z. u/ p
- */4 i) D/ y! R% I* j4 j
- {
8 n* D m6 y i' H$ z" z" u - double limits [ 2 ]; ! N7 }* j* ~; b/ ~2 Z
- double mid_t;$ y3 z8 J4 W! P( q/ ?- S3 p
- double point [ 3 ];
: B1 g" E) u$ E$ Z2 C9 T+ P P - double derivative [ 3 ];- Z& N4 s9 j+ z9 n. n
- double tangent [ 3 ];5 d, o* g+ S+ F& N$ E
- double normal [ 3 ];; k. W# F9 t5 z3 ~1 o
- double binormal [ 3 ];
0 h4 ^% O; L' _ - UF_CALL ( UF_EVAL_ask_limits ( line_evaluator, limits ) );) K% c4 R0 Q! c/ r: Z1 q* z
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;# \7 y0 `* P0 K, F% I
- UF_CALL ( UF_EVAL_evaluate ( line_evaluator,
) w1 y5 p1 B3 k. { y - 1,
) g5 p4 c$ b3 d3 ^ - mid_t, 9 b( t& T! }* r: y8 g, J
- point,
6 K6 j0 @ ^$ N: _# c( l5 ^6 ~ - derivative ) );2 ~2 }1 m/ m( Q5 S" i: R* [! ^" f
- & s3 U" O- x/ G1 w
- UF_CALL ( UF_EVAL_evaluate_unit_vectors ( line_evaluator, $ Q$ n0 V& t9 e* d3 a/ u
- mid_t,
+ s' Y1 x2 d( o# ]' h. s - point,
4 Q2 u( _6 {1 x4 l( n7 v - tangent, 7 t, A" @+ f- y! B2 z9 ^
- normal,
1 L+ t& K# @! d# k - binormal ) );1 J* @- @$ _( K6 r5 O
- UF_CALL ( UF_EVAL_ask_limits ( arc_evaluator, limits ) );6 V4 y+ l/ K- s) d2 ~. D
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;5 ^7 y5 a+ l# [
- 9 {1 T1 X7 @& `2 f r$ {9 ~
- UF_CALL ( UF_EVAL_evaluate ( arc_evaluator, ! z* t; n* [3 E* H" s0 H* N
- 1, Z# ?$ h3 ]4 d5 I- p
- mid_t, ' n& D z& ^8 L! ^9 r
- point, ! z/ ]. D4 t' c1 n
- derivative ) );
! n0 s3 d4 P& }& v - 2 U/ n# z0 ^' W% C: E8 ?* q5 `, z
- UF_CALL ( UF_EVAL_evaluate_unit_vectors ( arc_evaluator,
7 M! {! F% y% r3 y7 L. ` - mid_t,
; `+ L, q% Z0 w - point, 6 o: [2 {, o, c4 z; a+ K0 i
- tangent,
( S1 w) c3 q/ q V3 P/ m - normal,
+ } H5 J* ]; R1 [2 k$ N - binormal ) );% {- { w) A1 t! F7 ~$ d
- UF_CALL ( UF_EVAL_ask_limits ( edge_evaluator, limits ) );( t. O0 x8 A9 U; i) G
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;6 z# l7 a8 d# r. K) l5 p
- UF_CALL ( UF_EVAL_evaluate ( edge_evaluator,
: m6 u+ B7 f3 l! B - 1,
6 Y5 B) {' c) s0 w* x$ O - mid_t,
; s" p. |/ H( c' U3 Z! [: A/ P - point, : n2 T2 ?+ Z' Z. U4 _
- derivative ) );
! g; ~7 {+ w: ]& d- V5 J9 y" q - UF_CALL ( UF_EVAL_evaluate_unit_vectors ( edge_evaluator, % y" n% ^( A* s5 e* H
- mid_t, ) R# C( A$ P& E' }/ n0 C
- point,
) ]2 t' I; b9 x. u& F! @& i# E - tangent,
* z/ o3 b# t+ X! j+ O' L - normal,
( d% [+ R/ u( V% y) A - binormal ) );
. x) |7 @1 o- H - }
' C: n5 h i' g( r1 E - /* 2 V" J( P) h- v1 }
- Check line/arc/edge equality of evaluators.
8 ~! V/ t4 q' \* p* U* ~" z - */6 V& G* j$ Z& d% O9 J. T% H+ V
- {- a' b/ v5 N+ N8 F4 q! [$ N
- logical is_equal;
5 h* E# `9 u! Z O6 Y - UF_EVAL_p_t line_evaluator_copy;
0 b r2 K6 S' ^8 i% \ - UF_CALL ( UF_EVAL_copy ( line_evaluator,, j0 M8 j) j! o: x: K1 M4 I
- &line_evaluator_copy ) );0 ^5 x$ t) o8 n w1 @1 S+ F
- UF_CALL ( UF_EVAL_is_equal ( line_evaluator,* K9 I P8 |3 ~' G9 t9 L
- line_evaluator_copy, [* H C& A; A" B% p
- &is_equal ) );
7 {9 E0 A% Q( H( U; |" I7 u - UF_CALL ( UF_EVAL_free ( line_evaluator_copy ) );0 Y* e/ n- _# W# _
- UF_CALL ( UF_EVAL_is_equal ( line_evaluator, $ \3 J g s7 M
- arc_evaluator,
& q* w3 Q# g; Y3 G" l# M - &is_equal ) );4 p2 m2 ]* A/ a0 z% x, p
- UF_CALL ( UF_EVAL_is_equal ( line_evaluator, 8 Y* ]8 X6 o. U* y& v* ^% M
- edge_evaluator, # }5 q1 Y3 t. I b$ s
- &is_equal ) );- j! p ]9 h: G2 F2 v
- }
2 O; C. |5 q7 B& S" F$ d4 I! D6 A - /*
/ |# Q- S3 F4 S3 ^; o- t/ _ - Check line/arc/edge type.
) X$ B& a1 x( I8 F5 k7 y/ H% N( { - */
. y, e" E6 {9 a; f! j* P* ?: \ - {
0 X _8 E5 S/ x, N" j } - logical is_line;4 X% k @& ^# j0 j
- logical is_arc;
4 i5 }3 C$ J: }$ T - UF_CALL ( UF_EVAL_is_line ( line_evaluator, &is_line ) );- F5 o$ \, b4 G+ q# p
- UF_CALL ( UF_EVAL_is_arc ( line_evaluator, &is_arc ) );& a2 \* H) s% t
- UF_CALL ( UF_EVAL_is_arc ( arc_evaluator, &is_arc ) );
2 J5 }/ F3 G) I! T/ X8 n8 {1 @ - UF_CALL ( UF_EVAL_is_line ( arc_evaluator, &is_line ) );& \3 N1 i0 _- z) d8 Y. A6 O( ?2 `
- UF_CALL ( UF_EVAL_is_arc ( edge_evaluator, &is_arc ) );
3 T* t8 w& a$ D - UF_CALL ( UF_EVAL_is_line ( edge_evaluator, &is_line ) );
. k: m7 q! ?9 _ - }
6 k. ~% d" i* D" |* x - UF_CALL ( UF_EVAL_free ( line_evaluator ) );
, ?6 \$ E" P& J0 B" d - UF_CALL ( UF_EVAL_free ( arc_evaluator ) );# M" Q% I4 h/ ]% W# r, S# p
- UF_CALL ( UF_EVAL_free ( edge_evaluator ) );$ z0 X! e* G) A+ S8 Y' Y
- UF_CALL ( UF_terminate ( ) );! ], C3 o) I3 s6 V' K0 w, l' W% [ b
- }' i- c6 U: D& d' R2 A) m
- % }( j% v" |" F& X s* V4 P
- /* This function will disply n_pts equally spaced along the
; j# A0 H9 i5 u7 y6 Z - input curve.
# N6 @) a7 z) k6 a( s" L - */
* |7 J$ E4 H3 e6 K2 c. { - static void show_edge_points(UF_EVAL_p_t eval, int n_pts)
3 E" }: ?. e7 x) K - {, I/ ]4 F2 S |+ m' G, K/ F) A/ f$ P2 y
- int ii;2 f" U; V% ~ Y
- double limits[2], p, point[3], end_parameter, start_parameter;
7 S6 M" W" O$ I. ~! v. z' e# _ - UF_OBJ_disp_props_t
0 I( M) u$ ^+ V; e* E! _7 E5 I - attrib = { 1, UF_OBJ_WHITE, UF_OBJ_NOT_BLANKED, UF_OBJ_WIDTH_NORMAL,
% Z% U( p# l. w1 O& o( h* I - UF_OBJ_FONT_SOLID, FALSE};
3 K8 f3 L; m# K/ c$ ] t
& i# ^5 K0 u( Z8 N ^. N- UF_CALL(UF_EVAL_ask_limits(eval, limits));2 w0 u9 N7 G; T( r
- printf ( "limit0 = %f\n", limits[0] );, P: t3 t4 o4 S8 ~$ S( U7 Y9 R9 \
- printf ( "limit1 = %f\n", limits[1] );
: U# V, ~( n" |" L8 P7 m5 o1 p - start_parameter = limits[0];" ~! N8 H; h) u6 P4 F+ [; c% h" P
- end_parameter = limits[1];6 k. C o0 @1 _$ t1 g
0 r& i: ^/ n+ z1 u+ r- A7 g- for (ii = 0; ii < n_pts; ii++)2 ~8 c; j% R: w/ w( z
- {- D9 S0 e7 @4 F; D o! ]8 P; C
- p =start_parameter + ii*((end_parameter - start_parameter)/(n_pts - 1));
/ k! m& U" W9 s4 J - printf ( "evaluate = %f\n", p );% [6 P& Y- b' ~0 l
- UF_CALL(UF_EVAL_evaluate(eval, 0, p, point, NULL));
- e! A% f9 a1 M3 a/ @! I# r2 u8 K - UF_CALL(UF_DISP_display_temporary_point(NULL_TAG,# j" F( _, R+ H( z# p2 z. e/ h
- UF_DISP_USE_ACTIVE_PLUS, point, &attrib, UF_DISP_POINT));4 ?6 T: E& M, {+ D- b) |0 o
- }
% H; t6 t2 {6 S
9 E# o+ t! @# c9 @; L5 f- }/ y; _( N2 E# k$ {- T) y# [: M
复制代码
( u# O- n+ i6 y& ]3 p+ J7 ]) T M: `, C3 T8 U
8 x8 U% |6 a X4 O, f% m |
|