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72 lines
3.7 KiB
Matlab
72 lines
3.7 KiB
Matlab
% SET_TO_ARRAY simplified wrapper around CPU-based multithread mex function "add_to_3D_volume_mex"
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%
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% set_to_array(full_object, object_block, offset, add_values = false)
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%
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% Equivalent but faster to matlab command
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% full_object(:,:, offset + 1:size(object_block,3)) = full_object(:,:,offset + 1:size(object_block,3)) + object_block
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%
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% Inputs
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% **full_object - (3D array) array to be added to, note that directly the provided array will be modified, without copying by matlab
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% **object_block - (2D/3D array) values to be added to the main structure, can be array or a sharememory class @shm
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% **offset -(uint scalar) starting position along the 3rd-axis, assuming that full block is loaded
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% **add_values - (bool) if true, the values will be added otherwise overwritten
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% *returns*:
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% ++full_object or none - (values are written directly to full_object if MEX access is used)
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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 full_object = set_to_array(full_object, object_block, offset, add_values)
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if nargin < 4
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add_values= false; % add values instead of rewritting
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end
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if isa(object_block,'shm')
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[s,object_block] = object_block.attach();
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end
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% write back to the full array stored in RAM
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positions = zeros(size(object_block,3),2);
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indices = int32(1:size(object_block,3)) + int32(offset(1));
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% use a MEX code to speed it up
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full_object = utils.add_to_3D_projection(object_block, full_object,positions,indices, add_values);
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if exist('s','var')
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s.free;
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end
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end
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