size

PURPOSE

SYNOPSIS

DESCRIPTION

 overloaded size function for file_array objects.
 _______________________________________________________________________
 Copyright (C) 2005 Wellcome Department of Imaging Neuroscience

CROSS-REFERENCE INFORMATION

• end Overloaded end function for file_array objects.
• length Overloaded length function for file_array objects
• dim Format

• alff Use ALFF method to compute the brain and return a ALFF brain map which reflects the "energy" of the voxels' BOLD signal
• alff_gui ALFF GUI by Xiaowei Song
• f_alff Use fALFF method to compute the brain and return a fALFF brain map.
• f_alff_gui ALFF GUI by Xiaowei Song
• fc Functional connectivity
• fc_gui Functional Connectivity GUI by Xiaowei Song
• reho Calculate regional homogeneity (i.e. ReHo) from the 3D EPI images.
• reho_gui Regional homogenius GUI by Xiaowei Song
• rest RESTing state fMRI data analysis toolkit by Xiao-Wei Song
• rest_ChangeOrigin Change the orgin of ANALYZE 7.5
• rest_ChangeOrigin_Recursive Recursive change ANALYZE 7.5 Format's Origin
• rest_Corr2FisherZ Fisher Z score transformation
• rest_DivideMeanWithinMask Compute the mean within the mask and divide ReHo brain by the mean
• rest_ROIList_gui List ROI definition list and edit for REST's functional connectivity by Xiao-Wei Song
• rest_RecursiveDir Recursive do with Dir and all its sub-folders by Xiao-Wei Song
• rest_bandpass Ideal Band pass filter for REST by Xiao-Wei Song
• rest_detrend Removing the linear trend for REST by Xiao-Wei Song
• rest_loadmask Load mask for REST by Xiao-Wei Song
• rest_misc Misc functions set for REST
• rest_mni2tal Converts coordinates from MNI brain to best guess
• rest_powerspectrum Visualize the Power Spectrum and the Time course of user specified voxel whose coordinates could be set with SliceViewer By Xiao-Wei Song
• rest_sliceviewer Show a brain's slice. "rest_sliceviewer" can be opened more than one instance like MRIcro, and supports multi-slice, overlay and so on. by Xiao-Wei Song
• cat Concatenate file_array objects. The result is a non-simple object
• create_file_array Function for creating file_array objects.
• disp Display a file_array object
• end Overloaded end function for file_array objects.
• length Overloaded length function for file_array objects
• ndims Number of dimensions
• resize_scales Resize scalefactors
• subsasgn Overloaded subsasgn function for file_array objects.
• subsref SUBSREF Subscripted reference
• disp Disp a NIFTI-1 object
• read_nifti Create a NIFTI-1 object
• subsasgn Subscript assignment
• nic_getVol USE SPM2 functions to read the volume and if any warning message appears
• nic_spm SPM: Statistical Parametric Mapping (startup function)
• nic_spm_Gpdf Probability Density function (PDF) of Gamma distribution
• nic_spm_create_vol Create a volume
• nic_spm_est_smoothness Estimation of smoothness based on [residual] images
• nic_spm_figure Setup and callback functions for Graphics window
• nic_spm_get_data gets data from image files at specified locations
• nic_spm_input Comprehensive graphical and command line input function
• nic_spm_read_vols Read in entire image volumes
• nic_spm_select File selector
• nic_spm_str_manip miscellaneous string manipulation options
• nic_spm_vol Get header information etc for images.
• nic_spm_vol_check FORMAT [samef, msg, chgf] = spm_vol_check(V1, V2, ...)
• nic_spm_vol_nifti Get header information for a NIFTI-1 image.
• nic_spm_write_vol Write an image volume to disk, setting scales and offsets as appropriate
• rest_tal2mni Converts coordinates to MNI brain best guess
• rest_to4d Build a 4D matrix for REST from series of Brain's volume/(time point). By Xiao-Wei Song

DOWNLOAD

size.m

SOURCE CODE

0001 function d = size(a,varargin)
0002 % overloaded size function for file_array objects.
0003 % _______________________________________________________________________
0004 % Copyright (C) 2005 Wellcome Department of Imaging Neuroscience
0005 
0006 %
0007 % $Id: size.m 253 2005-10-13 15:31:34Z guillaume $
0008 
0009 
0010 sa  = struct(a);
0011 dim = ones(length(sa),32);
0012 pos = ones(length(sa),32);
0013 
0014 for i=1:length(sa)
0015     sz = sa(i).dim;
0016     dim(i,1:length(sz)) = sz;
0017     ps = sa(i).pos;
0018     pos(i,1:length(ps)) = ps;
0019 end
0020 
0021 tmp = pos==1;
0022 for i=1:32
0023     ind  = find(all(tmp(:,[1:(i-1) (i+1):32]),2));
0024     d(i) = sum(dim(ind,i));
0025 end;
0026 lim = max(max(find(d~=1)),2);
0027 d   = d(1:lim);
0028 
0029 if nargin>1,
0030     if varargin{1}<=length(d),
0031         d = d(varargin{1});
0032     else
0033         d = 1;
0034     end;
0035 end;