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/ V4 ~9 k$ B( s9 _4 z& f- /******************************************************************************
" V: W0 D2 G# ^& L& h) Z - Copyright (c) 1999 Unigraphics Solutions, Inc.
: n, @7 X: z) V, F" B0 y - Unpublished - All Rights Reserved
. |4 q3 k5 l: Z7 A
- f2 W8 G b5 f' P0 A6 s- *******************************************************************************/
# ?. L# Q6 c8 C2 \ - /* This example demonstrates the UF_EVAL api for lines and arcs.
& q2 N& y* H% m# Z- U - Some of the UF_EVAL routines operate on an evaluator
3 H5 w$ S( P3 m+ f2 z9 c - independent of type while others are type dependent. No longer use3 L5 M' P& I7 [
- UF_CURVE_ask_curve_struct ( ),3 l- h( P8 x9 J2 E' ^5 Q# O
- UF_CURVE_ask_curve_struct_data ( ) and
0 s O, A2 V; J% c - UF_CURVE_free_curve_struct ( )( ] o/ ^3 I, }) m: \1 R
- */7 T( w: C7 E' F& O- v- M* R, P
; E6 s; g3 A& Q9 q2 V- #include <stdio.h>
0 s5 u, B$ @1 r8 n4 U+ t- `4 y - #include <uf_object_types.h>
2 h& c! P% [0 E | `0 I - #include <uf_curve.h>
' P* A: Z4 A3 D u5 z7 j - #include <uf_eval.h>
7 z: G* K" D4 m. }) d - #include <uf_modl.h>
" Q( t3 {) w D# g1 @ - #include <uf_part.h>
7 E& r6 @5 _( f" R/ _+ Z - #include <uf_so.h>3 { y- s: x0 x) M
- #include <uf.h>) C3 T. `: G6 e
- #define UF_CALL( X ) ( report ( __FILE__, __LINE__, #X, ( X ) ) )0 O: D1 y5 I5 A. D8 f
- static void show_edge_points(UF_EVAL_p_t eval, int n_pts);
2 R7 O% V6 w/ H6 {% k; }( q- w; n - /*---------------------------------------------------------------*/
- w% C! B4 Y7 w8 J* M - static int report ( char *file, int line, char *call, int irc )
( ]/ b) X% V+ y - {
- `" s! d' C# t8 d3 x" U& K! Y - if ( irc )
7 F& J3 a' f; |0 J$ N, ] - {
% J: G0 X" j$ D/ N - char message [ 132 + 1 ];7 |/ ~: o6 U, k& C( @
- printf ( "%s, line %d: %s\n", file, line, call );
4 \+ g2 F- x+ e2 t0 o- p - UF_get_fail_message ( irc, message ) ?" |: d, i$ Q \
- printf ( " error %d\n", irc ) :
8 n) h" h* H. }' s$ L - printf ( " error %d: %s\n", irc, message );
$ {7 v) C7 t1 x+ K8 F) S - }
: {! T, Y6 F& S' u& X/ s# x2 M1 B7 r - return irc;
$ C1 x0 f; ]" L/ v - }4 P% A4 P: S6 p+ V5 q) x; G1 k2 k
- /*---------------------------------------------------------------*/( @, a# `. a; R( Q% T; A
- int ufusr_ask_unload ( void )
$ [; F9 Y: S! {3 F! H4 B - {% ^) k1 G( T5 M* ]' Z- h
- return UF_UNLOAD_IMMEDIATELY;
7 S) M- @: y! Y - }
3 D" g r! S) I6 N2 s3 a, A$ Y - /*---------------------------------------------------------------*/7 l/ b0 w3 N0 [) B O: T
- /* ARGSUSED */) a- }3 \ U+ p+ m& z9 r
- extern void ufusr ( char *param, int *reTCod, int param_len )
3 {, D2 t- B" C8 A) o; b7 A - {' \& o; o4 ~* h* j
- tag_t line;
! I; z3 O( f- T! [ Z - tag_t arc;
* p+ M% [/ x/ ^ - tag_t edge;
3 L5 y7 ]0 b- I3 B0 C: I1 y - tag_t edges [ 3 ];
6 W% U7 ]1 U3 m - UF_EVAL_p_t line_evaluator;
! q" E; M! d" I9 i, d - UF_EVAL_p_t arc_evaluator;6 i4 G2 _! u. a: j9 o( v
- UF_EVAL_p_t edge_evaluator;1 N3 p5 a, B! P" K, h
- UF_CALL ( UF_initialize ( ) );0 }2 ]0 N( @% e! Z: v4 U
- /* - h' R! W8 g0 j4 s
- Create new part "ufd_eval.prt".
, z" H, g0 X1 ] - 9 l$ @ n9 g+ \9 j' d
- Close part if it already exists.
- u' h# b% c2 d: b% F - */" m1 h* f$ d' t2 {* _$ I
- {1 a3 c& C5 ^# q1 r+ R- V( E
- tag_t part = UF_PART_ask_part_tag ( "ufd_eval.prt" );) Z2 O) K1 P) }% L
- if ( part != NULL_TAG )
( T% {' b, q* _% [' b3 V- G0 p - {
$ `% H! o6 @& y - UF_CALL ( UF_PART_close ( part, 0, 1 ) );- ?: D, s7 d) F0 s, ]+ L
- }
: J6 c( [' m6 K5 v# d0 c: G- N - UF_CALL ( UF_PART_new ( "UGd_eval.prt",
6 w' k% Z; C0 w& g# Y' V - UF_PART_ENGLISH, 9 U6 _4 |5 r; [. s& H" y
- &part ) );
8 T6 d o" m- @1 o( p$ M* T - }
8 A% B* A7 Q9 n! B8 G, [6 P9 j - /* * d) ~( p& R. f: u+ J
- Create block and get edges. 0 ~% \4 e7 T ~
- */
5 k1 t9 ~( A; n" d' K" K( b( v7 r - {$ B+ u/ u+ j$ O& M) u6 a) P# K/ U+ x
- double origin [ ] = { 0.0, 0.0, 0.0 };
- E/ y% S$ O" y! p) A( \ - char *sizes [ ] = { "1", "1", "1" };
- v* c4 P: p/ f$ H$ M) Q - tag_t block_feature;# F, q( t; l1 e( ~
-
; c5 Z2 L, F I! ~) f" N$ x& | - UF_CALL ( UF_MODL_create_block1 ( UF_NULLSIGN,
4 K ?1 c; E& }- f& | - origin,
1 _, U8 o" f5 n4 @ - sizes,
/ n+ l# F! Z3 u6 c( y - &block_feature ) );
% j& j4 L+ v1 Q0 k5 F# H( y - {" t0 E8 P, U Y# s& R3 S
- uf_list_p_t edge_list;
/ e# N* s) W+ U! g - UF_CALL ( UF_MODL_ask_feat_edges ( block_feature, ; D! `: W/ h& {; R1 H. c" P4 \5 r
- &edge_list ) );
$ V7 ^( P& u! _" y, g$ n -
2 Z( X1 ]+ ` B7 M8 N+ {+ f. ]" X - UF_CALL ( UF_MODL_ask_list_item ( edge_list, ) n' F; E. h4 j7 k0 g% I% ^
- 1, + y3 [6 F* A; Z
- &edge ) );, \) i8 i5 X; h0 B4 T
- edges [ 0 ] = edge;
/ O8 H3 e& I* d/ X1 G - edges [ 1 ] = edge;
; T$ E w1 C9 N; s. P - UF_CALL ( UF_MODL_ask_list_item ( edge_list,
0 p Q- |: }, d - 0,
" y) g& l9 u1 J8 z, X - &edges [ 2 ] ) );
( A! t8 b) G* d: q0 [( H, E - UF_CALL ( UF_MODL_delete_list ( &edge_list ) );
]& q5 u7 i* N - }, z- [8 ^, P; @# u% x* m# z
- }) @# K3 j( Q/ L! C
- /*
! N( a, _* `5 Q& f d3 g5 I) J - Create smart line.
6 @+ k) U: C5 Y# z9 V - */
0 k t% w$ S4 _3 V - UF_CALL ( UF_SO_create_curve_extract 9 h' c- M+ s3 H- `) V7 A) ?
- ( 4 O& y) ?0 w, W$ W+ {
- edge, ( x- I$ S' X3 ]& w% E/ p
- UF_SO_update_after_modeling, 5 v9 `6 }3 V% J9 \* L$ P
- edge,% K* |; z2 @% h' s4 J6 {
- UF_line_type, /* enforce line type */) ~6 t, q0 b1 a' z c2 p
- 0, /* no subtype to enforce */$ q K- k+ ~0 B
- NULL_TAG,4 w' A; E; s! `8 s( a) l
- &line
; a3 d' r! c) \' O% T8 ~2 R - ) );
+ d6 |0 W6 _5 d( V) w0 C9 q" d4 ~! Q - E4 t& L V# @5 u
- /* : y3 r) b# L: v% V% I
- Create smart arc.6 F+ J# a& C5 z( G
- */4 J& M8 n: R# w9 s' b: D- |, u4 G) R
- {/ z* U+ \/ x) o7 ]
- int i;9 P4 d- p2 Q$ u4 f7 y2 @
- tag_t points [ 3 ];' d& `2 W; C6 Q# t2 h. @# v
- for ( i = 0; i < 3; i++ )
8 Q+ I Z3 x# h0 H) Q. Y - {/ E \' I( n+ `# T2 R; [! u R* U
- char *strings [ ] = { "center=1.0", 0 r# M! s: y: B* o
- "start=0.0", 9 @ d. u9 t: h' C
- "end=1.0" };
( H- h. ]2 K2 u; |0 J4 x% C+ t - tag_t exps [ 3 ];5 I- [) u% n; ^0 I# i
- tag_t scalars [ 3 ];. Q9 {' ~# K6 E1 _
- UF_CALL ( UF_MODL_create_exp_tag ( strings [ i ], 3 S7 t6 L- w& L7 ]+ t+ Z
- &exps [ i ] ) );
, b# |; W% g9 L- q - UF_CALL ( UF_SO_create_scalar_exp
, |9 n' T4 E6 j2 }- Y6 \ - (
0 ]$ l4 ?' X( [, h - exps [ i ],
$ Q4 b" ^6 Z( k6 f" X; [ t: T6 w - UF_SO_update_after_modeling, 6 l' `8 d% v+ u1 q O1 M1 z1 L
- exps [ i ], % S$ Z O" {! F$ p- h- I; {. t: R/ y) @
- &scalars [ i ]. x3 O5 u+ w6 D4 g5 T8 O
- ) );
: D+ p6 j1 @8 e, X I0 c$ h - UF_CALL ( UF_SO_create_point_on_curve
# w# x+ K. X7 @ - (
6 L/ ^0 B1 F% i F" X - edges [ i ],8 {1 `8 w* B _9 Z
- UF_SO_update_after_modeling, ! O& `% j" F( a k! C! d$ c" ?
- edges [ i ],# }; F/ G1 ?! t+ z( L4 u
- scalars [ i ], / [2 {, r. D& }# G+ F# ^# ~
- &points [ i ]% P0 y5 w/ q3 [6 m8 ?4 D6 d, Q
- ) );
& @; J" k/ _4 M- E+ T5 ^; m - }
0 _ F2 z3 {1 R) _$ w# S" ] - UF_CALL ( UF_SO_create_arc_center_2_pnts
9 }; C+ k2 T, G/ W, K; { - (
6 M3 r2 [# W7 |% f& L - points [ 0 ], 4 p- m# f$ q$ D* l5 O
- UF_SO_update_after_modeling,3 \' D( [- r; z: m" k" f! n& P
- points, 4 N# m% X* P# [/ c4 K
- &arc 0 c/ }# d2 F. V% c. h
- ) );- }: b2 y" F& |- V% M
- }" L* e% W% N9 c- j3 }' n% `
- ' k2 {7 Z# a8 p/ c3 m, O, @$ q
- /*
2 d( x. q6 X) k# Y7 O0 u) B - Smart objects are created as invisible objects by
8 Y# F1 v1 G" p; G' [8 ~0 A - default. UF_SO_set_visibility_option ( ) can be
( b9 \) h. `$ F$ ~# @. V+ m4 ^0 X+ w0 [ - used to make them visible in the graphics window.% A, D# h% g+ p0 T
- */7 O8 O/ e5 t7 y. E( k
- UF_CALL ( UF_SO_set_visibility_option ( line,
1 G2 [4 J4 ~7 j# A - UF_SO_visible ) );" a6 p& v4 u- t
- UF_CALL ( UF_SO_set_visibility_option ( arc,
* D, V! ?, U3 ~; {. N! k) J - UF_SO_visible ) );: [. O& x- r& R7 G, T5 ^
- /* - {, \5 j/ V7 r* f$ X1 V
- Get line/arc/edge evaluators.
% Y( {# m6 Z# U. u5 R- P - */
- W. M8 K& C: k6 h( M- u - UF_CALL ( UF_EVAL_initialize ( line, &line_evaluator ) );! |4 L7 b- t) \
- UF_CALL ( UF_EVAL_initialize ( arc, &arc_evaluator ) );" |: |& x$ N. d1 Z) X+ w5 p
- UF_CALL ( UF_EVAL_initialize ( edge, &edge_evaluator ) );( Q( g/ O! r0 L! @, O/ [' E
- show_edge_points(line_evaluator, 10);
9 s" R" |% ?: E7 e - show_edge_points(arc_evaluator, 10);
0 ?& }+ R) s# B. L% d - show_edge_points(edge_evaluator, 10);
9 |5 g3 ]- Y4 L% t9 E- | - /*
/ A1 _% F; o; a& n1 G - Get line/arc/edge data.
- q( f6 {* |* D# N: r" ] - */
" W* r; U+ e5 W( R - {7 M( p' \ a1 ?5 P' C/ y
- UF_EVAL_line_t line_data;
7 P+ e" X0 v, t$ i# B - UF_EVAL_arc_t arc_data;
8 M8 \& r' `6 W& ] - UF_EVAL_line_t edge_data;
0 J1 p4 G- K8 S" a9 U* [* f - UF_CALL ( UF_EVAL_ask_line ( line_evaluator,
2 |( y% `6 C# m+ { - &line_data ) );1 r7 K ?9 G1 `- W0 h* T4 B0 N3 T
- UF_CALL ( UF_EVAL_ask_arc ( arc_evaluator, ! G7 `2 d- M* I' f
- &arc_data ) );
- L! ~4 G6 G) s0 { - UF_CALL ( UF_EVAL_ask_line ( edge_evaluator,
. M# d/ \- @# U5 ~& d - &edge_data ) );2 \! j+ x& {! o9 v
- }6 f) c+ D8 k' t* L. \5 _
- /* + z6 e6 j2 B5 [ a1 d! e: u
- Check line/arc/edge periodicity.+ h, j7 J" }+ T! C$ z1 B" n
- */, W6 d3 H6 q) c& a5 k7 r
- {
- X& |3 L' T6 m0 E6 a, t - logical is_periodic;
0 t$ S+ H2 @' ]6 f8 l7 m" [ - & \# T5 X0 Q( g2 t8 j' [' N
- UF_CALL ( UF_EVAL_is_periodic ( line_evaluator,
3 _& @) Y i* R0 X+ _ - &is_periodic ) );
9 I) K2 B$ K7 q1 w# K K) Y - UF_CALL ( UF_EVAL_is_periodic ( arc_evaluator,
, B. N, g4 S+ ~" k- b - &is_periodic ) );
* }7 Z* g4 B6 C L" |/ p( Q - UF_CALL ( UF_EVAL_is_periodic ( edge_evaluator,
9 W, T, |, s6 P) x' I H2 F - &is_periodic ) );
& l- ^# g4 _" b* j1 p* I# ? - }
3 p, @" C- t, R9 H* ^ - /* 1 z0 h' K% Y: }5 x/ T
- Evaluate line/arc/edge.7 L% }# b4 g2 k5 i) k' Q+ _
- */' F3 w. Y$ J8 k/ k0 C3 [6 @
- {
8 z6 W$ y `" q2 _ j' }' U; E - double limits [ 2 ];
4 ^# M7 Q1 ~ q1 k% } - double mid_t;
0 m! [" R& z- _4 H - double point [ 3 ];
8 ]& N) I$ B+ `/ _- H - double derivative [ 3 ];
, a' F G. K7 K5 |! ~ - double tangent [ 3 ];! \' I5 y8 B8 ]+ X
- double normal [ 3 ];
" I( m# Z5 B# D$ _' Y9 r& Z7 | - double binormal [ 3 ];+ \8 W9 Y q2 }) C. G
- UF_CALL ( UF_EVAL_ask_limits ( line_evaluator, limits ) );' y I6 z, {8 z. q& A
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;6 Y, F# J& G& S) L+ R# X! ~ e% x
- UF_CALL ( UF_EVAL_evaluate ( line_evaluator, 0 z( f3 F+ f( h+ Z0 Z7 s, b w
- 1, 0 F# a4 n8 a/ `! D
- mid_t,
) ?. [8 M8 R, D' p+ L' P" t( c" l - point,
- {' Q C4 _* ~/ Q! ]7 v - derivative ) );
" Q) E9 W' z R. m9 _* e -
4 ]. y1 N3 I( \5 X - UF_CALL ( UF_EVAL_evaluate_unit_vectors ( line_evaluator,
P4 G4 G/ ~1 Y0 _ - mid_t, % N- v: ]8 l* Q# N
- point, 6 C% ]) g7 W* T3 x0 C5 S! O
- tangent,
8 m. J/ X# y" X% n, g - normal, - c8 i7 w; y$ a! }
- binormal ) );
4 ?1 I+ Q+ N" t: t8 N/ I - UF_CALL ( UF_EVAL_ask_limits ( arc_evaluator, limits ) );* P& l* F4 c3 ]8 F, ]1 |. U
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;
/ p, K& n) t% w+ b -
' Z; `1 A) s9 V1 _/ N# G - UF_CALL ( UF_EVAL_evaluate ( arc_evaluator, 3 @7 B( y8 K, X, {2 b/ w' b
- 1, ' `; T7 l1 E7 B$ m! w6 D1 B
- mid_t, ; X' C1 L1 I6 W6 {7 K, F0 g$ g8 ^ A
- point, ' C; y/ H% x7 [& v( @
- derivative ) );3 K1 k+ q! V% t1 C/ d8 R; u) S9 V$ A1 Z
- 4 [; I7 D2 P' b, c
- UF_CALL ( UF_EVAL_evaluate_unit_vectors ( arc_evaluator, / a4 p, h E3 Q& |6 ~: {( U
- mid_t,
* [8 l: ?% v( n - point, : s3 M7 x; G1 {; k6 `; {$ ^
- tangent, ' o0 C) v) {: l* z& a Y+ c
- normal,
2 |+ ]# S, O9 r* n( ~ - binormal ) );
2 ^/ _$ Y0 h' s( f& H8 _7 Y8 R3 m - UF_CALL ( UF_EVAL_ask_limits ( edge_evaluator, limits ) );; X& W* r# a# \# M5 w
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;" s( s5 W/ Q7 ^5 { F& F6 |3 J
- UF_CALL ( UF_EVAL_evaluate ( edge_evaluator,
( e- q% _& S3 c( n" G* w, z2 M, L4 f - 1, 5 d" g; J! f0 L5 `
- mid_t,
6 z: b/ v+ |6 L$ p1 d! n# @$ Z& i - point,
. H) |$ z; B: c6 N; U - derivative ) );
3 x+ d8 k: h m( D N - UF_CALL ( UF_EVAL_evaluate_unit_vectors ( edge_evaluator, 1 q! r1 B; G6 b
- mid_t, ( {4 n! w, M' o( x/ {+ b! n( A
- point,
1 t- W) V0 {1 h6 z6 ~1 s& | - tangent, $ q9 h6 W! `; @5 @) j" P5 W
- normal, - q7 Y3 z! \$ q" f( S
- binormal ) );
$ u. t" V- B. S" A- C+ ^ - }
4 u& b4 j" C- `# e7 r - /* # e( j) [! \" Q0 y" t$ M4 R1 {
- Check line/arc/edge equality of evaluators.
' u& z; j W8 Q$ U+ e+ o* n; w( { - */
) b$ v1 u2 A6 ] - {
5 \# K, k: W- |3 S2 C6 z3 i - logical is_equal;+ e0 y7 Q# o% W9 [4 H$ q0 Z4 E
- UF_EVAL_p_t line_evaluator_copy;+ r7 E" x/ \8 J$ M' t$ t
- UF_CALL ( UF_EVAL_copy ( line_evaluator,# ?4 a, J( f% c# V
- &line_evaluator_copy ) );9 e7 v* |. {8 H9 G+ t. Z8 K
- UF_CALL ( UF_EVAL_is_equal ( line_evaluator,
1 e. @1 V5 _- m5 W/ b% a - line_evaluator_copy,
# e4 B8 R: Y. G4 p - &is_equal ) );
. q7 D! b/ n( T5 c' Z0 X; v - UF_CALL ( UF_EVAL_free ( line_evaluator_copy ) );
/ z& v$ }$ X5 _+ G( S m - UF_CALL ( UF_EVAL_is_equal ( line_evaluator,
N: |! ^, Z9 w/ o+ H6 Q- l - arc_evaluator,
- ]" O7 ~4 i0 [& q2 ^ - &is_equal ) );
7 V0 N! w) V; ~6 { - UF_CALL ( UF_EVAL_is_equal ( line_evaluator, 9 Q+ u% {2 L1 x5 r
- edge_evaluator,
' @5 j/ Z- z+ G& C% J! C/ c$ @4 i - &is_equal ) );
) H0 H, Q3 K! Z/ n+ Z0 S - }
$ Z* U7 U# e: y$ y; H4 w9 K9 O - /* ; K x3 j% r; S! L. U
- Check line/arc/edge type.. Q- F; G. g5 _& Z- v( y! m1 S
- */: F7 m1 ^, f' X" T: ]' Z( }" \+ P2 l
- {$ R, ^# p' L M1 B) a8 o& E: u8 k2 _# B
- logical is_line;
2 U; I3 v* q5 a. B - logical is_arc;. _) A2 I1 X- P1 Q7 q2 j
- UF_CALL ( UF_EVAL_is_line ( line_evaluator, &is_line ) );9 H* t& T/ ^+ p# h1 V+ h/ F
- UF_CALL ( UF_EVAL_is_arc ( line_evaluator, &is_arc ) );( w3 N1 O( [4 q4 w3 e3 W! i6 Q
- UF_CALL ( UF_EVAL_is_arc ( arc_evaluator, &is_arc ) );' l$ d2 {% M& A- Y. t+ Q$ n- d
- UF_CALL ( UF_EVAL_is_line ( arc_evaluator, &is_line ) );
1 N& r( j! U* @& ?8 Q0 \) A% X - UF_CALL ( UF_EVAL_is_arc ( edge_evaluator, &is_arc ) );& V) M; T" |8 t8 }
- UF_CALL ( UF_EVAL_is_line ( edge_evaluator, &is_line ) );5 U7 U6 s- e4 V. m$ f! ~
- }+ I) l2 G7 f1 k, A7 f/ m$ k. {& S2 ~
- UF_CALL ( UF_EVAL_free ( line_evaluator ) );
" z' W; [' i& Q5 P7 u# N' j - UF_CALL ( UF_EVAL_free ( arc_evaluator ) );
1 i$ Y Z2 {- f2 M" _ - UF_CALL ( UF_EVAL_free ( edge_evaluator ) );
" c3 y7 B4 ]: h - UF_CALL ( UF_terminate ( ) );" C; {. A/ _, o6 B
- }
, M8 l, e1 J0 L6 i L, l5 B: i- r - ! C; d/ J9 }: Y: ?$ N, P+ R
- /* This function will disply n_pts equally spaced along the
( N$ k* k N% A [ - input curve.# A! u- m. U0 R! m
- */; a6 Q7 u; G; j# h* B$ D; r" i- v- W
- static void show_edge_points(UF_EVAL_p_t eval, int n_pts)
. w( @) g9 p% v - {$ _. E5 D: Z: O, F" c8 J! Y r* Y
- int ii;
V, r7 b2 r4 ]% N. I: O - double limits[2], p, point[3], end_parameter, start_parameter;
! x6 x7 G. _7 f - UF_OBJ_disp_props_t" O9 J# H, ^) }' w: E d q
- attrib = { 1, UF_OBJ_WHITE, UF_OBJ_NOT_BLANKED, UF_OBJ_WIDTH_NORMAL,
6 V4 k ?: V: A# I1 {5 e- d - UF_OBJ_FONT_SOLID, FALSE};6 x5 p8 [2 y, ?/ L) X1 g
, H: \9 T' W- o- UF_CALL(UF_EVAL_ask_limits(eval, limits));; I! o' J8 [7 V7 J- _
- printf ( "limit0 = %f\n", limits[0] );7 J& r! D+ Z$ L$ o. j4 Y
- printf ( "limit1 = %f\n", limits[1] );! d6 x# R5 E Y" s% n! }0 Y
- start_parameter = limits[0];3 S% `! p" H* T0 U
- end_parameter = limits[1];
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. c7 p2 O8 V, \- x( w5 y, [' }- for (ii = 0; ii < n_pts; ii++)3 @2 V/ d# e- p0 t) Q- m: n5 C8 X
- {, o# z2 c9 ], a9 H: }
- p =start_parameter + ii*((end_parameter - start_parameter)/(n_pts - 1));
1 M" T, v* ^+ z0 h - printf ( "evaluate = %f\n", p );1 [+ s: X. o9 V. e" P- P
- UF_CALL(UF_EVAL_evaluate(eval, 0, p, point, NULL));4 R6 w; }$ m. I0 ]2 t+ k
- UF_CALL(UF_DISP_display_temporary_point(NULL_TAG,* w* F% ~9 Z: |' S1 J
- UF_DISP_USE_ACTIVE_PLUS, point, &attrib, UF_DISP_POINT));
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- }
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复制代码 , p; K9 @' n; `
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