[37] | 1 | function [H,J] = imarraysc(A, varargin) |
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| 2 | % IMARRAYSC Scale and display an array of images |
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| 3 | % H = IMARRAYSC(A) behaves as IMARRAY(A), but scales the range |
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| 4 | % of each image to fill the interval [0,1]. |
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| 5 | % |
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| 6 | % In addition to the option-value paris accepted by IMARRAY(), |
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| 7 | % the function accepts also: |
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| 8 | % |
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| 9 | % 'CLim' [[]] |
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| 10 | % If not empty, use the specified intensity range. |
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| 11 | % |
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| 12 | % See also IMARRAY(). |
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| 13 | |
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| 14 | % AUTORIGHTS |
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| 15 | % Copyright (C) 2006 Andrea Vedaldi |
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| 16 | % |
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| 17 | % This file is part of VLUtil. |
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| 18 | % |
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| 19 | % VLUtil is free software; you can redistribute it and/or modify |
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| 20 | % it under the terms of the GNU General Public License as published by |
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| 21 | % the Free Software Foundation; either version 2, or (at your option) |
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| 22 | % any later version. |
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| 23 | % |
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| 24 | % This program is distributed in the hope that it will be useful, |
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| 25 | % but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 26 | % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 27 | % GNU General Public License for more details. |
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| 28 | % |
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| 29 | % You should have received a copy of the GNU General Public License |
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| 30 | % along with this program; if not, write to the Free Software Foundation, |
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| 31 | % Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 32 | |
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| 33 | reverse=1 ; |
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| 34 | spacing=0 ; |
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| 35 | clim=[] ; |
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| 36 | |
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| 37 | % Parse |
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| 38 | if(length(varargin)>1 && isnumeric(varargin{1})) |
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| 39 | spacing=varargin{1} ; |
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| 40 | varargin = { varargin{2:end} } ; |
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| 41 | end |
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| 42 | |
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| 43 | lay=[] ; |
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| 44 | |
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| 45 | for k=1:2:length(varargin) |
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| 46 | switch lower(varargin{k}) |
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| 47 | case 'layout' |
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| 48 | lay=varargin{k+1} ; |
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| 49 | case 'spacing' |
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| 50 | spacing=varargin{k+1} ; |
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| 51 | case 'clim' |
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| 52 | clim=varargin{k+1} ; |
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| 53 | otherwise |
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| 54 | error(['Unknown option ''', varargin{k}, '''']) ; |
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| 55 | end |
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| 56 | end |
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| 57 | |
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| 58 | if ndims(A) <= 3 |
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| 59 | d = 1 ; |
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| 60 | [Mi,Ni,K] = size(A) ; |
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| 61 | else |
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| 62 | [Mi,Ni,d,K] = size(A) ; |
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| 63 | if(d ~= 3) |
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| 64 | error(['A should be either M*N*K or M*N*3*K']); |
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| 65 | end |
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| 66 | end |
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| 67 | |
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| 68 | if isempty(lay) |
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| 69 | N = ceil(sqrt(K)) ; |
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| 70 | M = ceil(K/N) ; |
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| 71 | else |
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| 72 | M = lay(1) ; |
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| 73 | N = lay(2) ; |
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| 74 | K = min(K,M*N) ; |
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| 75 | end |
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| 76 | |
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| 77 | cdata = zeros(Mi*M + spacing*(M-1), Ni*N + spacing*(N-1), d ) ; |
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| 78 | |
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| 79 | for k=1:K |
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| 80 | p = k - 1 ; |
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| 81 | i = floor(p/N) ; |
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| 82 | if reverse |
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| 83 | i = M-1 - i ; |
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| 84 | end |
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| 85 | j = mod(p,N) ; |
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| 86 | irng = i*(Mi+spacing) + (0:Mi-1) + 1 ; |
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| 87 | jrng = j*(Ni+spacing) + (0:Ni-1) + 1 ; |
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| 88 | if d == 1 |
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| 89 | J = A(:,:,k) ; |
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| 90 | else |
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| 91 | J = A(:,:,:,k) ; |
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| 92 | end |
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| 93 | if isempty( clim ) |
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| 94 | J = J - min(J(:)) ; |
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| 95 | m = max(J(:)) ; |
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| 96 | if(m > eps) |
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| 97 | J = J / m ; |
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| 98 | end |
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| 99 | end |
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| 100 | cdata(irng,jrng,:) = J ; |
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| 101 | end |
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| 102 | |
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| 103 | if ~isempty(clim) |
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| 104 | H = imagesc(cdata,clim) ; |
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| 105 | else |
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| 106 | H = imagesc(cdata) ; |
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| 107 | end |
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| 108 | |
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| 109 | J = cdata ; |
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