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8 g5 w3 R) Z! m/ o% Y; G- }* _
N: S' t* Z$ Z1 N6 D- N4 m5 m* m. b7 |2 F i; c: z& k9 p
G. I$ Y. }+ g1 T& L- /******************************************************************************" {/ b0 t; H' X! `
- Copyright (c) 1999 Unigraphics Solutions, Inc.
7 U1 v0 n% z# l) m' U d - Unpublished - All Rights Reserved
/ w. o) B! W$ C( c - 1 h: g4 d: s: s
- *******************************************************************************/, w- J7 O2 I9 W8 m5 z- o/ H- V: @
- /* This example demonstrates the UF_EVAL api for lines and arcs.
1 I/ t4 a# Q' _' k& _# |: C - Some of the UF_EVAL routines operate on an evaluator
& B+ x& f5 i2 @0 G4 ]1 o- L, m - independent of type while others are type dependent. No longer use
" c f- X) T. S% k1 A, w! M5 _ - UF_CURVE_ask_curve_struct ( ),, m( r2 T2 g. a9 A; l) w
- UF_CURVE_ask_curve_struct_data ( ) and
: [4 D, }: Y0 C! ? o0 I - UF_CURVE_free_curve_struct ( )
: l) h" F) ]! m1 s- f0 t - */
" `1 q/ s1 L& g5 Q& R
( }# _+ R/ ]/ o3 t' q& ]3 A- #include <stdio.h>
8 f: r& x M( y. H+ p" R2 I - #include <uf_object_types.h>
! X3 v7 }& J+ j# ^0 h/ k - #include <uf_curve.h>
. `* x6 P# H1 c - #include <uf_eval.h>9 w: \( ~/ A, T2 M: n4 W
- #include <uf_modl.h>
# e6 o/ ?: F+ w& V# G6 P. N5 ]# V - #include <uf_part.h># U1 N0 N- I% h1 p9 e' r
- #include <uf_so.h>
7 [8 U# B5 }3 a7 A) r+ t - #include <uf.h>
8 W0 l; E0 d0 ^) Z$ @1 ? - #define UF_CALL( X ) ( report ( __FILE__, __LINE__, #X, ( X ) ) )
+ x9 k7 {- Z+ }2 ?4 @; i* { - static void show_edge_points(UF_EVAL_p_t eval, int n_pts);+ {8 |0 c$ u5 x# ]; p. @. e
- /*---------------------------------------------------------------*/! u; s- ~" R$ t6 U4 h( J# u; [
- static int report ( char *file, int line, char *call, int irc )1 V* B, ^ T X. b
- {
; @! H& a9 n" k$ t# I - if ( irc )* Q; K4 ]( }6 w- C) o# s" w
- {: g/ B0 [/ j& O- b' u
- char message [ 132 + 1 ];7 b+ n* A4 [1 s' \, Y
- printf ( "%s, line %d: %s\n", file, line, call );
3 E# n/ P, I) w0 _& ]% A8 w - UF_get_fail_message ( irc, message ) ?) H' E4 o+ y6 H" ^$ P
- printf ( " error %d\n", irc ) :
: R+ x5 d7 P9 @& a. k& E) ^ - printf ( " error %d: %s\n", irc, message );
8 I: M1 a' z. g5 G* P' L. a" U - }3 {2 {( e+ J& l/ p9 F3 ~% e
- return irc;; p' ?8 o/ e2 x/ H
- }
# D1 R( G4 j" q$ Q3 E8 `, x) Z - /*---------------------------------------------------------------*/- S0 b# K4 G* @7 U
- int ufusr_ask_unload ( void )& U) h; `0 X) w& c. f0 i% g! Q! M
- {
" d) i: k: e D: M9 O2 O- k5 T - return UF_UNLOAD_IMMEDIATELY;
" k% C/ ?2 P( `. N - }4 D( m) h) V8 q: H- `# h
- /*---------------------------------------------------------------*/. w8 I1 ^9 [' q. q
- /* ARGSUSED */
" ?& w( Z0 o. p5 t - extern void ufusr ( char *param, int *reTCod, int param_len )
% O7 d; |3 B; s' a0 {6 x# e7 s - {
v6 d6 J' K j7 q - tag_t line;/ y' J( ~) G" W
- tag_t arc;
$ l& Z$ d0 k; x3 i0 g6 p- f - tag_t edge;
4 @' p! U6 B8 \2 ?" @& V - tag_t edges [ 3 ];7 c% q4 q6 d3 K6 [+ `7 t
- UF_EVAL_p_t line_evaluator;
$ {! ]9 Y$ O9 l7 ?9 B - UF_EVAL_p_t arc_evaluator;* G, t. l( @5 J6 E% C, [, a9 L. [- f
- UF_EVAL_p_t edge_evaluator;
6 y# U. x% A# \2 m/ F5 T% s6 D - UF_CALL ( UF_initialize ( ) );
- j: m, u, b% [$ m/ O: h/ P - /* - B. F2 A/ Y2 s' }" O6 E& I: h* h
- Create new part "ufd_eval.prt".
; `8 k* V+ x( ~& n' B& d3 G i, q - / w, E* t1 O. I: z2 Y
- Close part if it already exists.7 r9 P* V' q0 A% y
- */; \; j/ K5 t+ O# G
- {/ j% F# ?7 ]/ E
- tag_t part = UF_PART_ask_part_tag ( "ufd_eval.prt" );0 P$ h6 A' ], Y: T" s
- if ( part != NULL_TAG )( `4 ]9 J. ^1 b4 X% I b# U! Z
- {
1 ^" p) {* S6 I6 z - UF_CALL ( UF_PART_close ( part, 0, 1 ) );
* p) B$ y" b* W+ B - }" R, {0 z* l6 h) O
- UF_CALL ( UF_PART_new ( "UGd_eval.prt",
% L6 ?+ {4 E) H' l - UF_PART_ENGLISH, * r+ a2 L( j, [
- &part ) );1 h0 f9 c& ^# x
- }' x& U& d' }8 L/ t4 f) Q! a& m5 r
- /*
! B& D$ o5 ^+ r - Create block and get edges.
1 @- F* r1 c) z( I) k! X$ w, B - */
9 ?7 p1 W' b' Y - {5 h. {3 }" G$ g' ?; f7 V
- double origin [ ] = { 0.0, 0.0, 0.0 };
A! i m7 D" N( B; D - char *sizes [ ] = { "1", "1", "1" };, |3 e( @+ o+ ]0 C7 p: T8 `3 ?- r U1 q
- tag_t block_feature;8 D* ^' N# R" V- p9 b& u6 w
-
. p) `' W3 H% |0 \! B - UF_CALL ( UF_MODL_create_block1 ( UF_NULLSIGN, . y9 v! I# u9 l9 g
- origin, , T; Q$ `3 M7 A! Q2 O( I8 n- s
- sizes,
- b' O& j. R* ^' ]- w# v - &block_feature ) );) d" o, r9 A7 Y2 P3 a0 ^
- {" k9 M3 n3 A" U( c0 l* U
- uf_list_p_t edge_list;
9 A$ @: S2 @7 M4 a - UF_CALL ( UF_MODL_ask_feat_edges ( block_feature, ! f) K; h- R( [$ v8 A9 p
- &edge_list ) );4 V/ i" f, X6 f
-
( a+ E: y) v" o% M: A- Z# [# @ - UF_CALL ( UF_MODL_ask_list_item ( edge_list,
0 |4 D% k7 y! F# B' c+ ? - 1, 6 a" c' H( w* e) h4 a8 A0 p% z
- &edge ) );
* V/ U8 y+ E [( V# r$ d" _; [6 `* f - edges [ 0 ] = edge;8 ^4 C/ r+ i1 s1 i J- Z/ ^9 n
- edges [ 1 ] = edge;
4 R5 |: @% U8 L5 v. d8 U - UF_CALL ( UF_MODL_ask_list_item ( edge_list,
2 D, T7 v- m0 n5 X X( f' [+ s - 0, 1 q8 [9 Y0 T. a. L2 h! X# p/ H+ e
- &edges [ 2 ] ) );+ f, b2 Q! Z# E4 H' ]- e8 R
- UF_CALL ( UF_MODL_delete_list ( &edge_list ) );, J8 l% E A* o% g" I3 e
- }
5 f; y/ j' l2 b - }
+ r; [$ h/ D/ _; M' B$ _ - /* ' L- |. H+ R7 ^
- Create smart line.
" r4 b$ j% U2 E( ~ - */5 A0 P5 f" t1 q
- UF_CALL ( UF_SO_create_curve_extract
+ ?$ h+ m$ W2 V# `, \6 G: P4 a2 ? - ( 4 S* ~3 q) w& N$ u1 l3 m5 V
- edge,
3 S" X% p" Q+ l! @' ^& O+ r! x - UF_SO_update_after_modeling, 9 ~& J+ @' m7 ~' e
- edge,
. d1 v t* b6 m6 b1 a( j. W" N, Q& x9 D - UF_line_type, /* enforce line type */
! _: q# m& q( ?" R4 d - 0, /* no subtype to enforce */$ ^' H7 d: P9 R( _* D
- NULL_TAG,
) }" p- x$ B! g( S9 d1 w2 w7 j" U" ` - &line
- V2 N* u. W; E- i" q4 f - ) );; ~! }, ?& f- w) F* P
-
$ X, O7 Y4 h: m' g" T - /* + Q3 F6 {, q" E* |, T3 ^
- Create smart arc.
0 F6 J5 H: o% |4 I6 w- R: _ - */
0 i) x; D' u" G) T5 w' f: a - {9 w4 g" g J. u" L
- int i;6 N3 [8 v4 c' h" c+ [$ z6 F' w
- tag_t points [ 3 ];
' P+ C/ D& z8 N# \+ G! @ - for ( i = 0; i < 3; i++ )
( r7 c0 U! Y' Q1 @ - {& o. @) f$ N0 }
- char *strings [ ] = { "center=1.0", ; b6 m7 g6 x5 C3 `+ d8 f3 x
- "start=0.0", ( E, S. ?6 N0 f
- "end=1.0" };" o' ]( ]! J K& O) [7 j& _
- tag_t exps [ 3 ];
$ w( h( {" L6 Z0 X Q - tag_t scalars [ 3 ];+ g1 q$ ?9 N1 V1 O
- UF_CALL ( UF_MODL_create_exp_tag ( strings [ i ], 5 j# U3 j$ U3 R: f+ o
- &exps [ i ] ) );3 ^; f5 n+ l4 V! T# [+ K' E; [2 Z
- UF_CALL ( UF_SO_create_scalar_exp . g- K6 s9 h+ H+ o! O) r2 |' K
- ( w7 W. D6 i' v* w
- exps [ i ],
+ t5 v& g4 K# O7 H$ q - UF_SO_update_after_modeling, 7 b5 n; [9 a8 d# r3 q7 a1 O
- exps [ i ], * s+ x( K/ ?! |
- &scalars [ i ]
* d0 t+ }2 @' M5 B - ) );
. E! m9 `/ `, w" V) E0 j* J - UF_CALL ( UF_SO_create_point_on_curve / A3 z+ s( c5 t# F1 B9 ^
- (
2 m) |5 I$ o4 G* B g8 F& h - edges [ i ],
) R2 {3 C; o5 H8 T2 ]! u - UF_SO_update_after_modeling, 9 p; A A. [& {1 [
- edges [ i ],
8 m- L. N8 `5 I6 g6 Y L - scalars [ i ], + e% b5 [& ~: H) t/ p; W
- &points [ i ]. C' [* d! u: V, O# T% m- `, ?1 T+ R
- ) );+ `" ~! N. D0 f* F# Z3 `
- }* e2 X2 k6 f2 `2 B+ W
- UF_CALL ( UF_SO_create_arc_center_2_pnts * T5 ?: ^" _7 S3 N5 S) t
- (
. G ], x" q) ^3 k3 w# ]" J. P - points [ 0 ], ) |+ w5 Z' f3 q! _
- UF_SO_update_after_modeling,7 g: U1 l' p9 Z0 M
- points,
: ?+ F! w% @' {7 }. k - &arc
: Y! C% ?# g* m - ) );. ]+ b/ H! w6 L! |% H
- }
+ e; Z, L6 J$ O1 y/ D( }' M( l+ J - 2 L/ N9 N, A$ q. N
- /*
3 s' [+ f2 Z/ N& o5 f" E - Smart objects are created as invisible objects by ! D. V; }+ X1 ~* o0 `) I
- default. UF_SO_set_visibility_option ( ) can be
; B3 ?! N, [9 ]& g( f3 |- ?% f - used to make them visible in the graphics window.
& y4 _- j+ T, J! D# |3 I6 B - */0 I0 j7 {. A7 w% Z4 {+ ]9 c3 Y$ }' i
- UF_CALL ( UF_SO_set_visibility_option ( line,
# q/ B+ P/ ~, ]2 B - UF_SO_visible ) );
( t* _# ~3 D5 y% p. u- f - UF_CALL ( UF_SO_set_visibility_option ( arc, . ~) d" S" A- n1 x
- UF_SO_visible ) );
0 y8 s3 F& a% j0 s+ e C - /* ; M3 i$ T, ~! W* d. l& [
- Get line/arc/edge evaluators.
! q) I+ U$ Y3 H - */
3 o% B. V' d7 ^. N5 P - UF_CALL ( UF_EVAL_initialize ( line, &line_evaluator ) );
- v, ~$ F+ D1 H' H - UF_CALL ( UF_EVAL_initialize ( arc, &arc_evaluator ) );
6 f9 h7 ~3 ]4 B$ R2 b - UF_CALL ( UF_EVAL_initialize ( edge, &edge_evaluator ) ); K% |; y7 U9 M$ {' r
- show_edge_points(line_evaluator, 10);
: _ A5 K( `3 ^$ w* Z) x0 ?2 W - show_edge_points(arc_evaluator, 10);- ~ c0 f. d1 y, r
- show_edge_points(edge_evaluator, 10);" y) T+ R Y* l1 U; H6 |
- /*
O- l1 y8 m% S# d7 s Y - Get line/arc/edge data.
' g& H$ p- g( w0 v. m - */
1 m) i9 x) t! P4 W# G+ S1 I2 I - {2 I5 i9 F1 L$ t/ R b& t
- UF_EVAL_line_t line_data;
& j* Y- [& y4 q5 I - UF_EVAL_arc_t arc_data;
- {9 P- b$ l- Z9 v- `3 M0 W* _3 v - UF_EVAL_line_t edge_data;$ v! C+ U0 }' \5 L$ o1 h6 \
- UF_CALL ( UF_EVAL_ask_line ( line_evaluator,
: d5 U! D! { F! D e - &line_data ) );% e+ X7 B1 z$ C: I
- UF_CALL ( UF_EVAL_ask_arc ( arc_evaluator,
3 S% n, I; A; z - &arc_data ) );
4 e, Y% x, Q" y! t& |" B - UF_CALL ( UF_EVAL_ask_line ( edge_evaluator, ! i. J% ], x/ {/ M$ c
- &edge_data ) );
0 g- `9 G' q: J - }
: y6 ^; F X8 m2 ]/ L: N - /*
3 u, J: P6 }0 G) l! O4 x - Check line/arc/edge periodicity.2 S, b0 l/ E6 A3 x' B
- */
8 h5 b: D' U. g1 Z - {; ^: D4 @" `8 }; w# C: I) T
- logical is_periodic;- p/ V+ F" v9 E" Y
-
4 r' ~, t V" m% {- @; O - UF_CALL ( UF_EVAL_is_periodic ( line_evaluator,
0 {: s& _1 \7 m$ e o) J& C8 n. x$ a - &is_periodic ) );
( X- {- P7 d6 J1 W! J - UF_CALL ( UF_EVAL_is_periodic ( arc_evaluator,
7 t- Y% m& x5 B; \. g3 w - &is_periodic ) );' z6 u! x2 V+ f6 Q
- UF_CALL ( UF_EVAL_is_periodic ( edge_evaluator,
' U/ z; h/ b3 p, k - &is_periodic ) );
* x$ b" ? B* ]; R [! X - }
4 W6 E6 Y+ W0 u$ K+ e6 V; O# o - /* ( k$ x# g9 k" F: W( C# T
- Evaluate line/arc/edge.
: g5 C8 l: b( h8 W/ t% x( i - */
6 H% t- _' n( H" d, M: h; l' G - {
+ X+ I1 Z+ _ r& a - double limits [ 2 ]; , K& O3 G9 Z8 n: F- j
- double mid_t;/ N2 W6 x$ U. T6 o, R9 p
- double point [ 3 ];! C* C. D( P2 G
- double derivative [ 3 ];
0 E& q- v* p W7 T9 f( y' i - double tangent [ 3 ];
5 Y, q; ~5 F/ Y - double normal [ 3 ];9 R# y" t- O/ l7 `! T( }
- double binormal [ 3 ];1 w3 ^* [7 S- Y7 y q( R; i8 w
- UF_CALL ( UF_EVAL_ask_limits ( line_evaluator, limits ) );# }" d( ^/ ?' N1 [) l
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;
5 f$ M* w3 t( _" i( j7 L - UF_CALL ( UF_EVAL_evaluate ( line_evaluator,
# T3 k+ z, }8 i2 w$ @- `/ c- v0 }8 B - 1,
T, l7 X V" @9 i; H' k( N# E4 l - mid_t,
X& ]( P2 G( G9 C& q - point,
* L% R) O P1 G2 @ - derivative ) );
$ Y& e" j1 h. j -
4 k7 Z1 z$ Y2 K; @ - UF_CALL ( UF_EVAL_evaluate_unit_vectors ( line_evaluator, 5 t4 c8 V. J: U1 j9 }+ |5 p
- mid_t,
' {/ f( c4 i& h - point, {# d' z& J" S }" P' q9 k
- tangent, ( A& r1 |$ e+ k1 S6 A( G- E+ z) C- z
- normal, - @7 p8 Q' L3 q8 W2 R& D
- binormal ) );
; b3 Y# L- a% T - UF_CALL ( UF_EVAL_ask_limits ( arc_evaluator, limits ) );% b4 y2 c9 Y! w9 H6 k
- mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;3 |2 b& d# d9 `9 P8 j2 d( A
-
9 p( v) w2 }* R% B - UF_CALL ( UF_EVAL_evaluate ( arc_evaluator, 3 T, S/ A. P( S* E; V3 u
- 1, % Q3 T- S" X- [7 w8 G# l7 Y0 k }8 |. R
- mid_t, ' q% a6 q( q; t0 i; x+ o: ?
- point,
) o K5 d$ H( E7 A% F/ l - derivative ) );
, _5 Z! H( |( W( ^% G/ ^. ~6 E - 7 Q$ {# S' k( {3 E( u
- UF_CALL ( UF_EVAL_evaluate_unit_vectors ( arc_evaluator, / q, J+ |( Z4 K, {2 |! b
- mid_t, 1 n, Y' P% p& c/ `( d( W! F! q
- point,
9 O/ e2 B7 z3 P4 W8 U3 t - tangent, , W g8 F' I0 \
- normal,
, \* \& {# P7 J - binormal ) );4 u9 x* }9 J8 F" Y' E* U
- UF_CALL ( UF_EVAL_ask_limits ( edge_evaluator, limits ) );
% W8 J! z3 j; x# n( s% O - mid_t = ( limits [ 1 ] + limits [ 0 ] ) / 2.0;
t, r3 q9 B: b- ?3 v6 L3 J - UF_CALL ( UF_EVAL_evaluate ( edge_evaluator,
# M3 g7 Z8 q+ }" z6 k* x - 1, 7 d% n6 \: V- P: d
- mid_t,
l {9 W" y0 I9 L - point, ! T+ |7 k/ X" K3 p0 j. R
- derivative ) );
. p& l. P. Y; J+ B - UF_CALL ( UF_EVAL_evaluate_unit_vectors ( edge_evaluator, 7 J2 ^/ J9 V8 u' W, T/ p
- mid_t, ( i$ i/ A2 _# G: c0 M' ?
- point, ( m) R! o0 ]2 W ~; q2 w! X
- tangent,
/ c! e7 q# B* @" W3 P8 t2 _ - normal,
+ n# \1 j, N" f- ] [) ?: w9 S! h+ w - binormal ) );
1 q# X. {8 d# F, |0 n% {" G9 e, i - }+ T" \2 k+ X0 G
- /* 1 p. \! g+ P+ d
- Check line/arc/edge equality of evaluators.
: P% }9 e+ N* s/ X7 x5 X3 B2 C$ z - */
0 \% Z! h& H% R - {
( f$ B: {3 R& X$ }4 V6 H - logical is_equal;
" F( \8 F4 c7 L) H0 d - UF_EVAL_p_t line_evaluator_copy;
0 u* A5 r2 f" @+ [4 g# z" a - UF_CALL ( UF_EVAL_copy ( line_evaluator,: N! W- U3 U! m: M% M \
- &line_evaluator_copy ) );
1 v5 M* y7 ?8 G: b - UF_CALL ( UF_EVAL_is_equal ( line_evaluator, ~; P. l$ r* k& W2 q3 A: v
- line_evaluator_copy,. r% D; e! c0 j7 |5 n+ c' R
- &is_equal ) );
& b8 I8 \% T/ } - UF_CALL ( UF_EVAL_free ( line_evaluator_copy ) );4 _( {7 ^( p+ Q; U( ^5 @/ U
- UF_CALL ( UF_EVAL_is_equal ( line_evaluator,
: i4 j* t V M/ r( D - arc_evaluator, 0 k P- W2 ^! k5 u
- &is_equal ) );& I z) S; b7 ?# {
- UF_CALL ( UF_EVAL_is_equal ( line_evaluator,
3 D3 y3 @7 m6 V0 b- x0 Y - edge_evaluator, % M8 ~; C3 L1 `2 P) T# m; f2 b0 V
- &is_equal ) );5 D, m4 W! }- F; k* g
- }
8 k0 g( b* u. y - /*
1 I5 s* a, ?3 Y3 h; U - Check line/arc/edge type.
5 k% f9 g! j: w; f* x - */
; Q( g) c9 b2 ^& E0 a$ l$ u - {1 L* j; i+ V: y+ ^1 B$ z8 R5 H
- logical is_line;
; N8 Z$ d I/ P8 {1 ]% K) X$ G - logical is_arc;/ S# f6 I" V" w1 {$ c! q
- UF_CALL ( UF_EVAL_is_line ( line_evaluator, &is_line ) );* [. W8 i5 C; [1 J
- UF_CALL ( UF_EVAL_is_arc ( line_evaluator, &is_arc ) );
5 U x/ ~- V8 J- ^" b- J2 U - UF_CALL ( UF_EVAL_is_arc ( arc_evaluator, &is_arc ) );
2 r! g X) A# w" i - UF_CALL ( UF_EVAL_is_line ( arc_evaluator, &is_line ) );
1 ?, ?9 _ S# Z n - UF_CALL ( UF_EVAL_is_arc ( edge_evaluator, &is_arc ) );
% N% _9 `2 ^. x' g; J# F( g* F. } - UF_CALL ( UF_EVAL_is_line ( edge_evaluator, &is_line ) );
9 Z7 G* E9 V3 q) @: e J - }
' ]. J1 f. m9 I6 I+ m* U9 a - UF_CALL ( UF_EVAL_free ( line_evaluator ) );7 ^. d2 ~; f1 C2 s9 {% X, @
- UF_CALL ( UF_EVAL_free ( arc_evaluator ) );
4 Q- `# Q8 E/ { - UF_CALL ( UF_EVAL_free ( edge_evaluator ) );# f0 B' N+ s x7 F1 u8 H$ p( T1 t
- UF_CALL ( UF_terminate ( ) );
; Y( l8 ~' Q5 L7 _2 j. m$ `8 A - }/ X9 C8 m' J- R3 b( A& v0 Y
0 h$ x, v: w6 ^' f/ H2 R( g- /* This function will disply n_pts equally spaced along the
1 h: A9 m. F7 s O; W) \ - input curve.
9 _2 K# y3 |2 H - */ ^9 `" E- S# y
- static void show_edge_points(UF_EVAL_p_t eval, int n_pts)( I& b% b( u P1 G1 f" d
- {2 Y% X n1 u- h5 w* z9 w
- int ii;, d' c' `/ k3 B: n
- double limits[2], p, point[3], end_parameter, start_parameter;
) r. g0 M( A" |' t/ J# m; P. t - UF_OBJ_disp_props_t& b2 y% Q2 Z- o5 g" D6 o! R- t% {
- attrib = { 1, UF_OBJ_WHITE, UF_OBJ_NOT_BLANKED, UF_OBJ_WIDTH_NORMAL,5 g4 X4 U$ T. E' W6 G
- UF_OBJ_FONT_SOLID, FALSE};( g) @6 t0 J/ ^) z( R2 t* Q
. {' u' B1 o. A$ S0 A Z* x- UF_CALL(UF_EVAL_ask_limits(eval, limits));' A/ }- G2 z: \% o4 k
- printf ( "limit0 = %f\n", limits[0] );
* l# n' O0 Y' k' J - printf ( "limit1 = %f\n", limits[1] );% T/ d7 h* c5 i1 e8 s3 D. m
- start_parameter = limits[0];
t# h1 r- J& b/ D2 a5 W3 \6 n - end_parameter = limits[1];
- [1 w3 \' E J/ V
4 j( L) ?# n9 e( z7 O1 x2 d& j3 A- for (ii = 0; ii < n_pts; ii++): y# z, P$ M3 r$ M; E
- {7 r9 x8 m$ J: A( V( p
- p =start_parameter + ii*((end_parameter - start_parameter)/(n_pts - 1));
* y7 Q" d' y5 p& t3 l" I' B1 w - printf ( "evaluate = %f\n", p );
5 |3 C5 T5 A' p+ d+ T6 j. m* G - UF_CALL(UF_EVAL_evaluate(eval, 0, p, point, NULL));
2 P- |) R$ u& t* }2 k9 d, y% ^9 C* q6 ` - UF_CALL(UF_DISP_display_temporary_point(NULL_TAG,
# v) X: _9 U9 t# d$ E - UF_DISP_USE_ACTIVE_PLUS, point, &attrib, UF_DISP_POINT));4 x3 b2 D7 A( s5 m4 D$ i, J$ O% b
- }; f8 y3 S5 [+ N
- % o) g+ D; V: d
- }/ m/ s( c- p# o1 i
复制代码 9 P2 A1 B" \8 o" K7 t9 b
9 `) |- v# u3 s0 G( l/ q* u$ ^3 D' B. g+ ]. b
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