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tomo/utils/find_projection_files_names.m

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+% FIND_PROJECTION_FILES_NAMES find names of ptychography projections given
+% the tomo param structure, if more files are found, return path to the
+% newest one 
+%
+% filename = find_projection_files_names(par, scan_num)
+% 
+% Inputs
+%   **par                tomo par structure 
+%   **scan_num           scan number 
+% *returns*
+%   ++filename           filename of the found scan 
+
+
+%*-----------------------------------------------------------------------*
+%|                                                                       |
+%|  Except where otherwise noted, this work is licensed under a          |
+%|  Creative Commons Attribution-NonCommercial-ShareAlike 4.0            |
+%|  International (CC BY-NC-SA 4.0) license.                             |
+%|                                                                       |
+%|  Copyright (c) 2017 by Paul Scherrer Institute (http://www.psi.ch)    |
+%|                                                                       |
+%|       Author: CXS group, PSI                                          |
+%*-----------------------------------------------------------------------*
+% You may use this code with the following provisions:
+%
+% If the code is fully or partially redistributed, or rewritten in another
+%   computing language this notice should be included in the redistribution.
+%
+% If this code, or subfunctions or parts of it, is used for research in a 
+%   publication or if it is fully or partially rewritten for another 
+%   computing language the authors and institution should be acknowledged 
+%   in written form in the publication: “Data processing was carried out 
+%   using the “cSAXS matlab package” developed by the CXS group,
+%   Paul Scherrer Institut, Switzerland.” 
+%   Variations on the latter text can be incorporated upon discussion with 
+%   the CXS group if needed to more specifically reflect the use of the package 
+%   for the published work.
+%
+% A publication that focuses on describing features, or parameters, that
+%    are already existing in the code should be first discussed with the
+%    authors.
+%   
+% This code and subroutines are part of a continuous development, they 
+%    are provided “as they are” without guarantees or liability on part
+%    of PSI or the authors. It is the user responsibility to ensure its 
+%    proper use and the correctness of the results.
+
+
+function filename = find_projection_files_names(par, scan_num)
+    %bug?
+    data_in_subfolders = exist(fullfile(par.analysis_path, 'S00000-00999'), 'dir');
+    %data_in_subfolders = exist(fullfile(par.analysis_path, 'S02000-02999'), 'dir');
+    %disp(data_in_subfolders)
+    if data_in_subfolders
+        % new x12sa path format
+        % bug?
+        path = fullfile(par.analysis_path, utils.compile_x12sa_dirname(scan_num) , [par.fileprefix '*' par.filesuffix '*.' par.file_extension]); 
+    	
+        %modified by YJ
+        %path = fullfile(par.analysis_path, utils.compile_x12sa_dirname(scan_num) , [sprintf('S%05i',scan_num), par.fileprefix '*' par.filesuffix '*.' par.file_extension]); 
+    else
+        % compatibility option for original analysis paths 
+        path = fullfile(par.analysis_path,sprintf('S%05i',scan_num),[par.fileprefix '*' par.filesuffix '*.' par.file_extension]); 
+    end
+    %disp(path)
+
+    while contains(path, '**')
+        path = replace(path, '**', '*'); % prevent failure when path string contains multiple asterix
+    end
+    path = utils.abspath(path); 
+    path = dir(path); 
+    if isempty(path)
+        filename = []; 
+        return
+    end
+    % take the last file fitting the constraints 
+    [~,ind]=sort([path.datenum]);
+    filename = fullfile(path(ind(1)).folder, path(ind(1)).name);
+end