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spm_cfg_cat.m
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spm_cfg_cat.m
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function cat = spm_cfg_cat
% SPM Configuration file for 3D to 4D volumes conversion
%__________________________________________________________________________
% Copyright (C) 2008 Wellcome Trust Centre for Neuroimaging
% John Ashburner
% $Id: spm_cfg_cat.m 3613 2009-12-04 18:47:59Z guillaume $
%--------------------------------------------------------------------------
% vols 3D Volumes
%--------------------------------------------------------------------------
vols = cfg_files;
vols.tag = 'vols';
vols.name = '3D Volumes';
vols.help = {'Select the volumes to concatenate'};
vols.filter = 'image';
vols.ufilter = '.*';
vols.num = [1 Inf];
%--------------------------------------------------------------------------
% dtype Data Type
%--------------------------------------------------------------------------
dtype = cfg_menu;
dtype.tag = 'dtype';
dtype.name = 'Data Type';
dtype.help = {'Data-type of output image. SAME indicates the same datatype as the original images.'};
dtype.labels = {'SAME'
'UINT8 - unsigned char'
'INT16 - signed short'
'INT32 - signed int'
'FLOAT32 - single prec. float'
'FLOAT64 - double prec. float'}';
dtype.values = {0 spm_type('uint8') spm_type('int16') spm_type('int32') spm_type('float32') spm_type('float64')};
dtype.val = {spm_type('int16')}; % to match previous behaviour
%--------------------------------------------------------------------------
% name Output Filename
%--------------------------------------------------------------------------
name = cfg_entry;
name.tag = 'name';
name.name = 'Output Filename';
name.help = {'Specify the name of the output 4D volume file.'
'A ''.nii'' extension will be added if not specified.'}';
name.strtype = 's';
name.num = [1 Inf];
name.val = {'4D.nii'};
%--------------------------------------------------------------------------
% cat 3D to 4D File Conversion
%--------------------------------------------------------------------------
cat = cfg_exbranch;
cat.tag = 'cat';
cat.name = '3D to 4D File Conversion';
cat.val = {vols name dtype};
cat.help = {'Concatenate a number of 3D volumes into a single 4D file.'};
cat.prog = @spm_run_cat;
cat.vout = @vout;
%==========================================================================
function dep = vout(varargin)
% 4D output file will be saved in a struct with field .mergedfile
dep(1) = cfg_dep;
dep(1).sname = 'Concatenated 4D Volume';
dep(1).src_output = substruct('.','mergedfile');
dep(1).tgt_spec = cfg_findspec({{'filter','image','strtype','e'}});