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% Call function without arguments for a detailed explanation of its use
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% Filename: $RCSfile: display_valid_mask.m,v $
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%
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% $Revision: 1.2 $ $Date: 2011/08/09 10:03:48 $
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% $Author: $
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% $Tag: $
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%
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% Description:
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% display a valid pixel mask
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%
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% Note:
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% Call without arguments for a brief help text.
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%
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% Dependencies:
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% none
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%
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% history:
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%
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% May 9th 2008: 1st version
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%*-----------------------------------------------------------------------*
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%| |
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%| Except where otherwise noted, this work is licensed under a |
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%| Creative Commons Attribution-NonCommercial-ShareAlike 4.0 |
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%| International (CC BY-NC-SA 4.0) license. |
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%| |
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%| Copyright (c) 2017 by Paul Scherrer Institute (http://www.psi.ch) |
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%| |
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%| Author: CXS group, PSI |
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%*-----------------------------------------------------------------------*
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% You may use this code with the following provisions:
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%
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% If the code is fully or partially redistributed, or rewritten in another
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% computing language this notice should be included in the redistribution.
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%
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% If this code, or subfunctions or parts of it, is used for research in a
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% publication or if it is fully or partially rewritten for another
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% computing language the authors and institution should be acknowledged
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% in written form in the publication: “Data processing was carried out
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% using the “cSAXS matlab package” developed by the CXS group,
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% Paul Scherrer Institut, Switzerland.”
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% Variations on the latter text can be incorporated upon discussion with
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% the CXS group if needed to more specifically reflect the use of the package
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% for the published work.
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%
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% A publication that focuses on describing features, or parameters, that
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% are already existing in the code should be first discussed with the
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% authors.
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%
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% This code and subroutines are part of a continuous development, they
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% are provided “as they are” without guarantees or liability on part
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% of PSI or the authors. It is the user responsibility to ensure its
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% proper use and the correctness of the results.
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function [ valid_mask ] = display_valid_mask(varargin)
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import beamline.prep_valid_mask
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% set default values for the variable input arguments:
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% valid pixel mask
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filename_valid_mask = '~/Data10/analysis/data/pilatus_valid_mask.mat';
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% figure number
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fig_no = 210;
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% display help upon startup
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no_help = 0;
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% accept cell array with name/value pairs as well
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no_of_in_arg = nargin;
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if (nargin == 1)
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if (isempty(varargin))
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% ignore empty cell array
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no_of_in_arg = no_of_in_arg -1;
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else
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if (iscell(varargin{1}))
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% use a filled one given as first and only variable parameter
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varargin = varargin{1};
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no_of_in_arg = length(varargin);
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end
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end
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end
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% check number of input arguments
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if (rem(no_of_in_arg,2) ~= 0)
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display_help(filename_valid_mask,fig_no);
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error('The optional parameters have to be specified as ''name'',''value'' pairs');
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end
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% parse the variable input arguments
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for ind = 1:2:length(varargin)
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name = varargin{ind};
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value = varargin{ind+1};
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switch name
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case 'FigNo'
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fig_no = value;
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case 'FilenameValidMask'
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filename_valid_mask = value;
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case 'NoHelp'
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no_help = value;
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otherwise
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error('unknown argument %s',name);
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end
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end
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% display help
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if (~no_help)
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display_help(filename_valid_mask,fig_no);
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end
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% load the valid pixel mask ind_valid
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load(filename_valid_mask);
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if (~exist('valid_mask','var'))
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fprintf('Warning: this seems to be an old format of the valid pixel mask. Trying to use it anyway.\n');
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valid_mask.framesize = [framesize1 framesize2];
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fprintf('!!! Mirroring about the vertical axis !!!\n');
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frame = zeros(valid_mask.framesize);
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frame(ind_valid) = 1;
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frame = fliplr(frame);
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valid_mask.indices = find(frame ~= 0);
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end
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% mark the valid pixels as 1, leave the invalid at 0
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frame = zeros(valid_mask.framesize);
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frame(valid_mask.indices) = 1;
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% plot the result
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figure(fig_no);
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imagesc(frame);
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axis xy;
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axis equal;
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axis tight;
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colorbar;
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title('valid pixels');
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set(gcf,'Name','valid pixels');
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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function [] = display_help(filename_valid_mask,fig_no)
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fprintf('Usage:\n');
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fprintf('%s([[<name>,<value>],...]);\n',mfilename)
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fprintf('The optional <name>,<value> pairs are:\n');
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fprintf('''FilenameValidMask'',<path and filename> Matlab file with the valid pixel indices ind_valid,\n');
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fprintf(' default is %s\n',filename_valid_mask);
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fprintf('''FigNo'',<integer> number of the figure in which the result is displayed, default is %d\n',...
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fig_no);
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fprintf('\n');
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fprintf('A valid pixel mask can be created using the macro prep_valid_mask.\n')
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fprintf('\n');
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