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%UPDATE_PARAM Use update_param to update a struct with another struct and /
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% or fields and their corresponding values.
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%
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% Update struct with another struct:
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% p = update_param(p, p_updated);
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%
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% Update struct with another struct and fields:
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% p = update_param(p, p_updated, 'windowautopos', 1, 'extrastringtitle', 'Final recon');
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%
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% Update struct with fields:
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% p = update_param(p, 'windowautopos', 1, 'extrastringtitle','Final recon');
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%
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% Use field force_update to select different update types:
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% force_update = 0 ... add fields but don't overwrite them
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% force_update = 1 ... overwrite fields but leave protected
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% fields unchanged (default)
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% force_update = 2 ... overwrite everything
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%
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% p = update_param(p, 'windowautopos', 1, 'force_update', 0);
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%
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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 [ p ] = update_param(p, varargin)
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import utils.param_protect_field
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% get protected fields
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prot_fn = param_protect_field();
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update_struct = [];
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if ~isempty(varargin)
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% check if first varargin is struct
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if isstruct(varargin{1})
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update_struct = varargin{1};
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% load additional params
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vararg = cell(0,0);
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if length(varargin)>2
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for ind = 2:2:length(varargin)
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vararg{end+1} = varargin{ind};
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vararg{end+1} = varargin{ind+1};
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end
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end
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else
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% if first argument is not a struct, load params
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vararg = cell(0,0);
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if length(varargin)>1
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for ind = 1:2:length(varargin)
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vararg{end+1} = varargin{ind};
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vararg{end+1} = varargin{ind+1};
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end
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end
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end
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end
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force_update = 1;
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if ~isempty(update_struct)
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if isfield(update_struct, 'force_update')
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force_update = update_struct.force_update;
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end
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end
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if ~isempty(vararg)
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for ind = 1:2:length(vararg)
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if strcmp(vararg{ind}, 'force_update')
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force_update = vararg{ind+1};
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end
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end
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end
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% update struct with struct
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if ~isempty(update_struct)
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fn_struct = fieldnames(update_struct);
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for ii=1:size(fn_struct,1)
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if ~isfield(p, fn_struct{ii}) || force_update > 0
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if ~isfield(p, (fn_struct{ii}))
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if strcmp(fn_struct{ii}, 'force_update')
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continue;
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end
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elseif ~isempty(prot_fn)
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if ismember(fn_struct{ii},prot_fn) && force_update < 2
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error('You are trying to update the protected field ''%s''! If you are sure, use force_update=2.', fn_struct{ii})
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end
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end
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p.(fn_struct{ii}) = update_struct.(fn_struct{ii});
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end
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end
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end
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% update struct with fieldnames
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if ~isempty(vararg)
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for ind = 1:2:length(vararg)
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if ~isfield(p, vararg{ind})
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if strcmp(vararg{ind}, 'force_update')
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continue;
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end
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elseif ~isempty(prot_fn)
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if ismember(vararg{ind},prot_fn) && force_update < 2
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error('You are trying to update the protected field ''%s''! If you are sure, use force_update=2.', vararg{ind})
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end
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end
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p.(vararg{ind}) = vararg{ind+1};
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end
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end
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end
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