【收藏】轻松获取Figure中的数据

J'{C*rPt.E]5Ua0感谢支持SimWe个人空间8IQa;] nC7pXyJ

8xI Nz1L?0转自Mathworks File Exchange。SimWe个人空间;g"c#]`s-IYCwN

% selectdata: graphical selection of data points on a plot using the mouse
S_+I(zF2fg'V0% usage: pointslist = selectdata         % uses all default optionsSimWe个人空间~#c4Bk-Hk~;kD?
% usage: pointslist = selectdata(prop1,val1,prop2,val2,...)
N/`;W*Y"}"J}QM*D%y0%SimWe个人空间Mx'l8p-dM:f m
% SELECTDATA allows the user to select data points on a given plotSimWe个人空间m3nC0ql
% using the mouse, in a variety of modes. 'Lasso' mode allows theSimWe个人空间4@ xXj
L \gc4\
% selection by a user directed lasso around the points. 'Brush' mode
?d%p$NT2b
re0% selects points as you brush over them with the mouse. 'Rect' mode
dK+Rd*v}\L%Rf0% draws a rectangle, selecting any points inside the rectangle.
T:~6?i}@(qwl0% 'Closest' mode looks for a aingle mouse click, finding the closestSimWe个人空间f5W`e1I#C,Y-i(E
% point to the mouse.SimWe个人空间b7c{p$G`l#mj+F;he `J
%SimWe个人空间 zJ X GJ8R
% Returned is a list of the point indexes selected, additionally you
{N{!C!V/^dH(a6~0% can specify that the points be deleted from the plot.SimWe个人空间)K|u:N2hk%a!P
%SimWe个人空间$[k&f5|#@0C*_JV.nV%k
% Arguments: (input)
Q:yqa:F!c)},Is0%  The input arguments to SELECTDATA are all property/value pairs.SimWe个人空间.a^:_n {\.^\
%  (See PARSE_PV_PAIRS for more details.)
%pWXk0J \0%  http://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=9082&objectType=FILE
Cv[!r9XX%|r0% SimWe个人空间xz ga*W d+C9v
%  Property names and character values can be shortened as long asSimWe个人空间O/o.D}Gx$Q4|*Y esw
%  the shortening is unambiguous. Capitalization is ignored.
!C.`G;T)pf]g0%
+I
Gq"M$u G'oQ} Z0%  Valid Properties: 'Action', 'Axes', 'BrushSize', 'Identify',SimWe个人空间/Rfk"V*U Y+j3uy&naG
%           'Ignore' , 'Pointer', 'SelectionMode'
+AW"\5h%h SGl'g0%
0kY2?b'n c0%  'Action' - {'list', 'delete'}
n Y9CTO?O0%           'delete' causes the selected points to be deleted from
e)k LR0QN*Hs0%           the figure after their selection is final.SimWe个人空间*T1d+YBrv
%
YEBQm-VH6WM [G0%           DEFAULT VALUE: 'List'SimWe个人空间 MX\;N:~gy!M6Z
%SimWe个人空间5\;y(bx\rM~
%  'Axes' - denotes the axes from which to select pointsSimWe个人空间v7~a~.{v
%
e7]2|$?,d3Eu/t0%           DEFAULT VALUE: gca
}F1P }"n1x F9y6A0%  SimWe个人空间xiTLy
%  'BrushShape' - {'rect', 'circle'}
&prJa0OHQ u7r0%
DYCu&P0z*?f0%           DEFAULT VALUE: 'circle'SimWe个人空间 AQ-uv"etX
%SimWe个人空间\}~fy @|gJ
%           Sets the shape of the brush to be used. Both brush
k,p(U5bK-R(YZ"iX0%           shapes are relative to the figure axes, so a nominallySimWe个人空间]g3`e%n
U
%           "circular" brush is actually elliptical if the axis
3e4@/mo/K F0%           units/lengths are unequal.SimWe个人空间:b9V:{v4V wd8O}
%
9D8eH&])Z|Y0%           Only used when SelectionMode is 'brush'.SimWe个人空间6\:v%u2Z&[F8t+x
%SimWe个人空间q"t}}){;D
%  'BrushSize' - Only used when SelectionMode is 'brush'.SimWe个人空间+S2B6`7W%P[,f[
%SimWe个人空间KXO}IsU\2B
%           DEFAULT VALUE: 0.05
@J%U-ZR5JP0%SimWe个人空间 ~,h*[r"W@ X~4UP
%           The default value will specify a rectangular brush
#r"tL#Q?Z4z zD0%           that has dimensions of 5% of the current axes. Note
)Ef"ba'tr5yr0%           that on a set of square axes, the brush will alwaysSimWe个人空间&F.lf!Y-LGud
%           look square, even if the axes have very differentSimWe个人空间f%fea0I
%           units.SimWe个人空间2\.A8^\7m T
%SimWe个人空间
c7Bow3L.yB;nu
%           0 < brushsize <= 0.25
x6Zce6B:AJX%K E0%
y"T6ocu"o(D:D0%  'Identify' - {'on', 'off'}
O8ht;Oa0dI\&[c0%           Causes the selected points to be temporarily over-plottedSimWe个人空间[s
ka)}|y]
%           with a new filled red marker ('o') as they are selected.SimWe个人空间-kbARKu
%SimWe个人空间Ymxbt^EUi
%           Points selected with a lasso, or rect may be deselectedSimWe个人空间cHLW#b;M:~"F@
%           as the tool is modified. Brush selections are cumulative.SimWe个人空间F;|,ZmG*jt gN|
%SimWe个人空间f {3NE&w
%           DEFAULT VALUE: 'on'
.o}gO0G0%
t(_3Li pf X d&Gbs0%  'Ignore' - a data handle, or []
3|sw$og c0%
dR,P&{Sa0%           A list of data handles to be ignored. This allows you toSimWe个人空间U}M0t]+bT6gME]
%           use selectdata on only some sets of points, while othersSimWe个人空间-l-tUn}-Bs"m/W
%           in the same figure are ignored. This is a useful optionSimWe个人空间 W g6ghZaw2{5]
%           when you may have plotted some data points but also a
:k)z+A xbocVv0%           curve fit through your data. You can then cause the plottedSimWe个人空间Q~!vWm2E+b T8o
%           curve to be ignored by selectdata.
g'TR2bNi|0%
9V!_1P6p7sg:t+LH0%           DEFAULT VALUE: []
&F\7Pn%h BhmE0%
I7? S:o V vg-T0%  'Label' - {'off', 'on'}
a(]]P
WH0%SimWe个人空间}F s yxyK~
%           Causes text labels with their (x,y) coordinates to appear
5E])si%m3T W}0%           next to each point selected.SimWe个人空间!^EX3h o ~6s8L(k9zU,z
%
SU5g"t.L/C0%           Beware that selecting large numbers of points and creating
]h{S6rA0%           and displaying the label for them can be time consuming.SimWe个人空间`A#y(]s4N
%           This option is a great one for single point selection,SimWe个人空间5l$x(n \s\B2k
%           but I have seen system-related problems when rapidly
#T6JJ!`N0%           selecting & deselecting large numbers of points with the
"q5s p w0L0%           rect tool.SimWe个人空间c-uJ4}u;?Bn7SB
%
k1f5w:ABp$F;a0%           DEFAULT VALUE: 'off'
f8I&v0v1^3P s0%SimWe个人空间,m!\8\5F
w'TDC+d9Rx
%  'Pointer' - {'crosshair' | 'fullcrosshair' | 'arrow' | 'ibeam' |SimWe个人空间Qz@~}i"Wf
%           'watch' | 'topl' | 'topr' | 'botl' | 'botr' | 'left' |
9s
b@y8T"o9J-u0%           'top' | 'right' | 'bottom' | 'circle' | 'cross' | 'fleur' |SimWe个人空间VJ*aX n P)@
%           'hand' }
J-Y)RF(Q~;B r;t0%
o
Vm~ mj$Yi0%           Changes the cursor pointer while selection is active.
r#Z,Owqp/G0%           After selection terminates, the figure pointer isSimWe个人空间 ?t]8i_]{o
Ve
%           restored to its old setting.SimWe个人空间!s'd9N!U(xBqw
%SimWe个人空间p{DdX-R7xm
%           DEFAULT VALUE: 'crosshair'
!pB']KJ_0%
u&b*V@:d2pi`0%  'Return' - {'selected' | 'unselected' }SimWe个人空间3l.U{p qf
%SimWe个人空间9VA+xD4q9h/n(rmd
%           Selection of data points, perhaps if used to indicate
0?/QbG$r h0%           outliers in data, would normally return that set of
z1X+kG+nz0q0%           points selected. But some users may prefer to see the
F,]WH@0%           list of points returned to be those points which were
a|R9Q;yc}/v0%           NOT selected.SimWe个人空间"U:d^,OAF:oV
%SimWe个人空间 ffp$LK
%           DEFAULT VALUE: 'selected'SimWe个人空间~6@ Hv},K:U
%SimWe个人空间]oCY:kd
%  'SelectionMode' - {'Lasso', 'Brush', 'Rect', 'Closest'}
-G FR4Phh h(e8i'fY0%SimWe个人空间3GkR
F\[ K:G j
%           DEFAULT VALUE: 'Lasso'SimWe个人空间GOf4g`)iC
%SimWe个人空间
@!I&y`2fdG0{-IG(m$P
%           If 'Brush' is used, then the brush will be a rectangularSimWe个人空间9D0bN:W K@1HgzD
%           brush, with a size as defined by the 'BrushSize' property.
I h/lUT(\7h0%           The brush will be centered at the current mouse coordinates.
%u"Jx9_Ml0%           Brush size will be a fraction of the axis limits for the
|d["Cr M0%           current axes. Click inside the axes, then drag the "brush"
y8M/MY&f$C1gw0%           around. Any points the brush crosses over will be selected.SimWe个人空间-zeQ7UT-M9p.P
%
Jz[~&q/G%MV QU0%           If 'Lasso' is chosen, then click inside the axes to define
5vKw:|0C0%           one end of the lasso, then drag with the mouse still down,
ey
zLEz-x2m/g0%           causing the mouse to define a general curvilinear region.
u+|[-mO#LC0%           The polygon will close automatically when the mouse buttonSimWe个人空间:_
q kz2Y'Ms%B)t
%           is released. A point is "inside" the lasso if inpolygonSimWe个人空间8N,{3ewVQ"z
%           identifies it as so. BEWARE of convoluted lassos thatSimWe个人空间:jR8aDk~3s
%           intersect themselves.
+E;yY Z1}5AD0%SimWe个人空间Ccv]] VPf
%           If 'Rect' is chosen, then click inside the axes to define
|m1zN;^'~ Dy-e,Ui!k0%           one corner of the rect, dragging to specify the oppositeSimWe个人空间_
e,Z9[^Lt
%           corner, just as rbbox would do.
TQW[#{L%i ^0%
1hZ!|k9p&t%]6b r-v0%           If 'Closest' was chosen, then a single mouse click in the
_+w*KP:r0%           figure window is used, then that point which is closest inSimWe个人空间0},Y;kE3f%j"T
}
%           in Euclidean distance (in window units) is chosen. YouSimWe个人空间dP#k t3L$X&p HL%GM
%           can move the cursor around (don't release the mouse untilSimWe个人空间 V&lm,jRM)y-W7w0z UC
%           you are done) and the currently selected point will be
Ni ~ @f0%           highlighted.
v+x+k#S
nfz$A0%
"jg%rY,]&T;WK6s0%  'Verify' - { 'off' | 'on' }
da[uI7Ph0%SimWe个人空间ze'p:j)~`5GJE
%           If set to 'on', this causes a dialog box to pop up afterSimWe个人空间0?V"@7O3GFB
%           selection. The user can then acccept the selection, redo
3})mJj3s2`9k#{0%           it, or cancel out, causing no points to be selected.
K5^`8eb8y#j$GZy0%SimWe个人空间3OnU/^0l.v
%           Note, if cancel is chosen from the dialog, and 'return'
)S!K7WM
X~0%           was specify to return those points 'unselected', then ALL
2xH6G2sb2s0%           the points will actually be returned.
7CKz,R gLY(C^0%SimWe个人空间Nv0^q(A~v q
%           DEFAULT VALUE: 'off'SimWe个人空间E[~M!|
%
7^9f L(W]#h-p6v0%SimWe个人空间`y2z6Y.d}{H
% Note: other properties are available for use, but I've chosen toSimWe个人空间#B$s-i"ppS
% leave them semi-hidden because they don't seem terribly useful toSimWe个人空间#{aPd{,Z*Y
% most users. These properties allow you to specify the colors of the
@ vd%Y ~8Ac#K0% selection tool itself, the colors of the selected point markers,SimWe个人空间h8R8g@,}8rL
% the transparency of the selection tool, the marker itself, etc.
o0M:d;B4DZJo9Equ0% Default values for these parameters are:SimWe个人空间ic` cAWPz9_U
%
6xwp6c!f0%           FlagMarker    = 'o'
,Pn!@&q+\9^3v9hS"p0%           FlagColor     = 'r'SimWe个人空间0FlK5u-k l5I%dq;o
%           Fill          = 'on'
3Wc3T?j4i0%           FillColor     = 'y'
6T7ba1G$dWC0%           FillEdgeColor = 'b'SimWe个人空间_u`M+u7x.TM#U
%           FillTrans     = 0.5
u7m
R@ ?RP0%           MaxBrush      = 0.25
J e+?s%h%~Nl0%           RemoveTool    = 'on'SimWe个人空间PE!g{a8j
@p#H0jC
%           RemoveFlagged = 'on'SimWe个人空间6I:cq|5PjY$F$v
%           RemoveLabels  = 'on'
%R4PqxKf8W0%
0gv[jS0% Further documentation on these parameters can be found by editting
Y$fuM}6Au k5u0% selectdata.m itself.
4|6?1RwPN`0%SimWe个人空间2Qudq_ EJ#{
%SimWe个人空间%[$]8q;I/y1c2|oM3?
% Arguments: (output)SimWe个人空间T)qrqu+xX#N
%  pointslist - list of points that were selected. If only one
1n(u+@R5?8w0%           dataset was found, then points list is a simple vector.SimWe个人空间_(H{n r'M `n_g"D
%           If multiple sets of points were found in the axes, thenSimWe个人空间9IT\J)gZL
%           points list will be a cell array.SimWe个人空间I D9t#N6F/y.{
%SimWe个人空间8K9L+]\+M.GG W
%           NOTE: Each set of points is peeled off the stach in the
`g9L2f4O@ _I[k0%           matlab stores it.SimWe个人空间 t8lA4@$q|3{|"l
%
(g~9mZzc\YB:t({Z0%  xselect - array (or cell array) containing the x coordinates ofSimWe个人空间|-Q.z!~,Z![e {6Z
%           those points identified in the selection
)Rk nI/N!~-?0%SimWe个人空间j;j~~u7kN\+T%O
%  yselect - array (or cell array) containing the y coordinates of
~)x4KG9Wx0l#rde0%           those points identified in the selectionSimWe个人空间.~3c#__-^G
%SimWe个人空间8H7oe:C(lu'I
%SimWe个人空间:t*n ji~f%y} k9R
% Example:
*Ye ~1xNa_7b9o0%  Plot a set of points, then select some with the mouse
jS3H hHkGrZ,r-M0%  using a rectangular brush, return the indices of those
iRR#K?/W'E9_0%  points selected. (Note: user interaction on the plot
uE] U:\Q#\nJ0%  will be necessary.)
l;i7?g+[0%SimWe个人空间[+tV/M-gH!\8I
%    x = 0:.1:1;
+vD Tx,d5a0%    y = x.^2;
4|u*L0]
r0%    plot(x,y,'o')SimWe个人空间,^ksg8B4L`
%    pl = selectdata('selectionmode','brush');SimWe个人空间(|4T"~[,z1WN
%  SimWe个人空间%}a.qBk3My
% Example:SimWe个人空间/g!t&KdD
%  Select a single point with the mouse, then delete thatSimWe个人空间m4|P&U;L.j1Kd
%  selected point from the plot.
A8\-h}A0%SimWe个人空间O2l+e)m*Un*Q#?&W@Y
%    pl = selectdata('selectionmode','closest','action','delete');
&@0Lt]$s7~V!y2@:A0%SimWe个人空间*l6E)cl.u`9Qo
% Example:SimWe个人空间x({#V0\'iQ8oN y3?
%  Select some points using a rect(rbbox) tool, also returnSimWe个人空间}#_P'F1[-hLuD.?
%  the (x,y) coordinates from multiple curves plotted. Use
|0w#JF#o\0%  shortened versions of the properties and values.SimWe个人空间;A|hk'x-w'ed
% 
_3uPK ze2w0%    plot(rand(5,2),rand(5,2),'o')SimWe个人空间*eb+[!J6q:s
%    [pl,xs,ys] = selectdata('sel','r');
GG@}:i xX,S0%  SimWe个人空间P*v
ytf
% Example:
f!J cot X P`0%  Plot a curve and some data points on one plot, selectSimWe个人空间u3gpx2dg
%  some points from the data plotted, but ignore theSimWe个人空间$K:N$j!h$H6Smuz
%  smooth curve, even if the lasso passes over it.
4~-| ^4xNW/I,B?L0%    x = 0:.01:1;
_}A%\#H_M0%    y = exp(x);SimWe个人空间 ~7T3SMrc/mf
%    ynoisy = y + randn(size(y))/2;

nWS1d9iiiU5I~4ky0%    h1 = plot(x,y,'-');
D,lFI6xu$p#K
~6Kc0%    hold onSimWe个人空间\ ?s&A4T9o
L
%    h2 = plot(x,ynoisy,'o');
gJ8~.W&M&}1eUHY0%    [pl,xs,ys] = selectdata('sel','lasso','ignore',h1);SimWe个人空间4ZN o~:x!z)T rYr
%SimWe个人空间~1b^!p$N*v
% See also:SimWe个人空间iFX5@tD2_
%
#C.XT ?Cde i0%
b-Jk4v ?#[0% Author: John D'ErricoSimWe个人空间2@ h a:JU h6i-@V
% E-mail: woodchips@rochester.rr.comSimWe个人空间;c,L'~xj~
% Release: 3.0
.@K'E\ t+AR0% Release date: 2/19/07
]OF O,URo#`3f'D0

SimWe个人空间h T.~$Nge(H A&` sA{Bm