initial commit

2026-09-17 20:39:08 +09:00 · 2026-08-07 15:56:42 +09:00
commit 91ad25aca9
1012 changed files with 159314 additions and 0 deletions
@@ -0,0 +1,84 @@
+% [varargout] = find_capillary(varargin)
+
+%*-----------------------------------------------------------------------*
+%|                                                                       |
+%|  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 [varargout] = find_capillary(varargin)
+import io.spec_read
+
+    vararg = varargin;
+    vararg{end+1} = 'UnhandledParError';
+    vararg{end+1} = 0;
+    [S] = spec_read(vararg{1},vararg{2:end});
+    vararg = vararg(2:end);
+    for jj = 1:2:length(vararg)
+        name = vararg{jj};
+        value = vararg{jj+1};
+        switch name
+            case 'Counter'
+            counter = S.(value);
+        end
+    end
+    
+    arrout = regexp(S.S,' +','split');
+    motor = S.(arrout{4});
+    threshold = .1 * max(counter);
+    
+    motor = motor(counter>threshold);
+    counter = counter(counter>threshold);
+    
+
+    threshold = .9 * max(counter);
+    i_i = find(counter>threshold,1,'first');
+    i_f = find(counter>threshold,1,'last');
+    
+    p = polyfit(motor(counter>threshold),counter(counter>threshold),1);
+    dy = polyval(p,motor)-counter;
+    COM = sum(motor(i_i:i_f).*dy(i_i:i_f))/sum(dy(i_i:i_f));
+    
+    do_plot = 0;
+    if (do_plot)
+        figure(1)
+        plot(motor,dy)
+        hold on
+        area(motor(i_i:i_f),dy(i_i:i_f))
+        plot([1 1]*COM,[0 max(dy(i_i:i_f))],'r','LineWidth',2)
+        hold off
+    end
+    
+    varargout{1} = COM;
+    
+    
+
+end