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发表于 2007-2-2 22:17:32
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来自： 中国黑龙江哈尔滨
Subject: Sample GRIP program to create polar points from file) k# Y1 ]$ \0 n" H Z# R
! ]$ m$ W! c# j6 F! Y $$ This program will read an ASCII data file consisting of polar point
; U' S8 r: O5 h$ w' }9 H $$ data in two columns and create up to 1000 points. It will also
$ g' W* |, l* I8 y# U y$ I( k: p0 N' L2 h $$ optionally create a closed spline thru the points.
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& Y" x) a7 w: S, o STRING/ tfn(132), fmt(80)
1 L" j5 ]/ `/ A% }* L NUMBER/ resp, r, theta( h9 b7 s$ t6 i9 d% w7 N
ENTITY/ pts(1000), zero- J% Y' i' |% d. G3 d1 y
5 n/ G) ^9 W( e/ m% N& v fmt = '#@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@' + $
' k, b& u0 o4 U3 c, C '@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@') l8 O- r5 r, |9 L4 V
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a20: TEXT/'Enter full path to data file', tfn, resp, deflt: A" O4 ^6 E) {7 X& b0 _, f
JUMP/ a90:, a90:, resp6 ~' [1 C. J+ p% H1 i+ p/ f
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FETCH/ TXT, 2, tfn
" p7 t7 T+ n) b tfn = &SFNAME(2,IFERR,a20： ）8 l8 e, E6 z9 q- d
7 n* U+ \& x4 \1 a- e $$ Find the space between the columns and set up the format string: S: c! Z" y8 W9 K, g, p6 g, H( W6 _5 J
RESET/ 2
* K, D3 `( A. P* s READ/ 2, USING, fmt, tfn
! v7 N; M* b: { ii = 14 U" S1 R A6 G+ l3 y3 Q
a25: jj = FNDSTR(tfn, ' ', ii + 1). p; n# _0 O4 S" [5 Y1 d9 g
IFTHEN/ jj == (ii + 1)
8 e( C# H+ O! ^2 L" c$ a ii = jj( P# }* t7 K$ }" y
JUMP/ a25:
9 k, Z6 z6 E/ f' _; y- O# K ELSEIF/ jj == 0
0 p% p0 A+ S' c5 c2 l jj = FNDSTR(tfn, chrstr(9), ii + 1)9 z0 W; U! i4 d" Z: y, @) w k; ~/ u/ [
ENDIF! ~3 {& u }& n
fmt = REPSTR(fmt, '@', '#', jj): X- W9 X% K' H) n; t
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zero = POINT/ 0,0,0$ R) O* n1 l* W5 w/ g
+ u" _* e1 z1 p" B
RESET/ 2
, k. w# p! X/ G% a" E ii = 06 n! p I0 v" F9 f+ X
a30: READ/ 2, USING, fmt, IFEND, a70:, IFERR, a70:, r, theta
* S: f4 }' B6 e! x; Z! r" M8 h0 ~ pts(ii = ii + 1) = POINT/ zero, POLAR, r, theta1 d* U Z1 B( }
if/ ii < 1000, JUMP/ a30:/ x, `" Z$ [. N' q% t4 @
+ U4 N' K* y4 E, s: pa70: DELETE/ zero& w" j- `" b k' ?* m2 Y8 V
FTERM/ TXT, 2
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3 ]; z' l* y5 I5 q/ S. f% k$ e VIEWE/ AUTO: o _- k3 N9 u& d
. \1 l8 r. P9 [# Q) E0 z, w CHOOSE/ 'Create closed spline thru ' + istr(ii) + ' points?', $
# y( P+ q1 |& H& f2 i! ]+ d 'yes', 'no', deflt, 1, resp6 @- r) a7 V/ H( X+ l3 b) @+ E
IFTHEN/ resp == 5
( }& G1 ]6 {8 M! Z% ^, ^' {( B0 I BCURVE/ pts(1..ii), DEGREE, 3, CLOSED# L) C7 l) F9 l4 I/ M8 p! d. p% y
, q" I7 P' _& G5 I CHOOSE/'Delete points', 'yes', 'no', deflt, 1, resp( [6 F0 X; O! o* A I1 r" A
IF/ resp == 5, DELETE/ pts(1..ii)
( K0 h; i' A) `$ u8 s ENDIF" C! _9 U' L i- S
, ^1 y0 n, n4 `: S" fa90: HALT# A" K1 j$ A# q$ I9 @6 ^8 K
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- y3 K# ?) _. W2 g1 J1 v给你个例子，自己改造一下 |
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发表于 2006-11-2 21:57:28