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有的时候你需要把你的一部分数据重点显示给读者,如何高亮显示这部分数据呢。Matlab(至少2010版)里面提供了一个ShadePlotForEmpahsis函数,help ShadePlotForEmpahsis会提供如下帮助:
" n1 u2 Q% r; p1 K1 M0 ? K8 WShadePlotForEmpahsis6 L0 ?" N2 L; f$ _" J
Plots a shaded bar for emphasis as commonly seen on cconomic charts
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& {5 x- o$ Q7 f: r INPUTS:
7 h5 |) q* l% t$ n. X x where the bar is placed. If you want a bar from x=4:8 then
, {* O! {- W- D7 L use [4 8]. If you want x=[4:8,10:20] then use {4:8,10:20}
3 Y3 q. I: t% H( P% Z* Y: ?1 D& B colors Use 'y' to make all bars yellow. Use {'y','g','r'} for7 j: c' n! J0 l8 t/ C
yellow, green and red bars.
* r7 n; n! @ W2 e9 E alphas Use 0.5 if you want all bars to be translucent. Use {0,.5,1}" \, Y2 F( R; N! j
for transparent, translucet and opaque bars.
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USAGE:
# x: @% ]2 W5 [$ `# I7 k! ?) a % DEFINE DATA
8 B- v3 h' m! E% G P=[ ... p% F7 ~8 h& D3 d2 a4 b& G k/ s6 `
98 98 94 91 84 83 82 87 88 89 91 91 90 89 89 90 91 91 87 86 87 84 79 80 ...
6 C! [' X3 [, o- h 85 86 86 85 93 93 93 93 97 97 95 93 93 94 95 96 96 92 89 90 91 91 91 92 ...
. p2 A! Y) b* F! p( O2 n 93 95 99 98 99 97 95 95 94 90 92 93 93 95 94 95 93 92 92 92 91 90 89 89 ...
7 \7 m! y2 b; l0 z6 i# ~. A7 Z/ C 90 89 90 89 88 84 84 83 84 85 85 84 82 82 82 79 80 79 80 78 78 81 83 82 ...# k5 R2 E/ D( i; p9 z( y' x3 Y
81 79 77 77 78 77 78 79 79 81 81 81 78 78 78 78 77 78 79 79 79 79 81 85 ...5 T* t! S! @1 e
86 86 86 87 85 84 85 86 88 88 90 88 88 87 86 86 85 87 87 87 86 85 84 83 ...- Q0 p1 W2 o( m4 e3 [
82 81 81 82 81 80 82 81 79 80 81 80 80 79 85 85 82 83 84 85 86 87 86 86 ...! H+ M% _& @( n/ }+ g# J. @4 z
85 85 85 83 79 81 83 83 84 82 80 80 80 80 84 81 80 76 71 70 70 69 69 68 ...% v7 }! c/ a7 X9 p
67 68 68 68 67 68 68 70 70 72 72 71 69 68 68 68 67 68 67 66 67 67 67 66 ..." W7 `/ H, I. o2 d7 ]6 A
65 66 65 62 60 60 59 59 59 59 65 66 63 65 68 68 68 68 69 73 74 71 71 69 ...
4 @- V6 T, g) J5 w% k" @7 X 71 72 72 76 76 74 77 80 82 80 78 80 80 80 80 81 80 79 77];9 r( C, t! B+ D
T=today-length(P)+1:today;- e3 D k6 [7 ~# _+ q7 I
Y={today-[13 74],today-[142 172]};
2 C" h: U6 e L6 i G={today-[30 51]};) Q* l& J( M% X9 r l% \
( S- l9 T- a* B) p! T/ _ % PLOT THE DATA
" `* C. E9 g1 f: `# l1 J& v plot(T,P);
1 `; T. B R ^ datetick;* W, P* Z( o" `1 t
line(get(gca,'Xlim'),[80 80])4 Q+ t3 Q q; ~+ P! P! w
line(get(gca,'Xlim'),[68 68])%" W4 P% o: I0 Z6 Z
title({'ShadePlotForEmphasis','(P<80 yellow, P<68 green)'});8 a. q+ b# ~0 E; ?& H
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% DRAW SOME YELLOW BARS0 O0 `5 Q' w8 \: P$ E* N: B, R
ShadePlotForEmpahsis(Y,'y',0.5);- X% _, v" Z) K) k% p; U
% h% s( u# i$ O8 z" \
% DRAW A GREEN BAR* X* C# n* V# C& H
ShadePlotForEmpahsis(G,'g',0.5);
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& @% S1 M. c0 m. n2 e/ q | ## _#__/$ ~! @. f' }- E2 N
| ## / #
" M, B. e2 K/ Y | ## / #
& T; {" A8 w$ }/ l7 B | /#\_/ #
' E$ x" x8 L1 z; h# I3 ` |/ ## #9 }) W3 {! p2 m& w; o+ Z4 ]
|__##_____#_____9 k( A4 ?# v( J
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IT'S NOT FANCY BUT IT WORKS3 F3 Y* M3 {9 P2 T+ n$ G
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; P# [8 l: B: ?2 K& q6 D: ?" A. F运行结果如下:
. V3 i( D- a. i# v( Y q4 L/ }2 H(如果提示today没有定义的话,在开头加一句today=now)
4 Y T) ]- [9 f: [) l9 C- J+ e% F, e& A& {, r1 a/ q
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