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68 lines
3.2 KiB
Matlab
68 lines
3.2 KiB
Matlab
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% Read data from Falcon readout electronics
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% Input is the filename with path
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% Output is a structure containing fields:
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% Data contains one spectrum per measurement point
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% Metadata contains some other information like the number of points per
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% data transfer and the total number of points
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% 12 March 2019
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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 dataout = falcon_read(filename)
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data1 = io.HDF.hdf5_load(filename);
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spectra_per_transfer = data1.entry.instrument.FalconX1.PixelsPerBuffer(end);%meta.spectra_per_transfer; % aka pixels per buffer in the MEDM
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numberofpositions = data1.entry.instrument.FalconX1.CurrentPixel(end);%data1.entry.instrument.NDAttributes.CurrentPixel(end);%meta.numberofpositions;
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data = data1.entry.data.data;
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data = data(1+256:end,1,:);
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N = size(data);
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if size(data,3) > 1
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data = reshape(data,N(1)/spectra_per_transfer,spectra_per_transfer*N(3));
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else
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data = reshape(data,N(1)/spectra_per_transfer,spectra_per_transfer);
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end
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dataout.data = data(1:2:end,1:numberofpositions);
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end
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