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120 lines
4.5 KiB
Matlab
120 lines
4.5 KiB
Matlab
%WRITE_ATTRIBUTE write attribute data_name with value data to ID gid
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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 write_attribute(gid, data, data_name, varargin)
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import io.HDF.*
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if nargin > 3
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safe = varargin{1};
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else
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safe = false;
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end
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[datatypeID, data] = get_datatype(data);
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if ischar(data)
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% The ptycho C++ code expects strings as H5S_SCALAR, so we have to
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% convert it
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data = {data};
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filetype = H5T.copy ('H5T_FORTRAN_S1');
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H5T.set_size (filetype,'H5T_VARIABLE');
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memtype = H5T.copy ('H5T_C_S1');
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H5T.set_size (memtype, 'H5T_VARIABLE');
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space = H5S.create ('H5S_SCALAR');
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if safe
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try
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attr = H5A.create (gid, data_name, filetype, space, 'H5P_DEFAULT');
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catch
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H5A.delete(gid, data_name);
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attr = H5A.create (gid, data_name, filetype, space, 'H5P_DEFAULT');
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end
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else
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attr = H5A.create (gid, data_name, filetype, space, 'H5P_DEFAULT');
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end
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H5A.write (attr, memtype, data);
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elseif iscell(data)
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% If it is a cell, save it as 1D dataset
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H5T.set_size(datatypeID,'H5T_VARIABLE');
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agcv = H5ML.get_constant_value('H5S_UNLIMITED');
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dspace = H5S.create_simple(1,numel(data),agcv);
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plist = H5P.create('H5P_ATTRIBUTE_CREATE');
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if safe
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try
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attr = H5A.create(gid,data_name,datatypeID,dspace,plist);
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catch
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H5A.delete(gid, data_name);
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attr = H5A.create(gid,data_name,datatypeID,dspace,plist);
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end
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else
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attr = H5A.create(gid,data_name,datatypeID,dspace,plist);
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end
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H5A.write(attr,'H5ML_DEFAULT',data);
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else
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acpl = H5P.create('H5P_ATTRIBUTE_CREATE');
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dims = size(data);
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if length(dims)>1 && dims(2)~=1
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if dims(1) == 1
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space_id = H5S.create_simple(dims(1), dims(2), []);
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else
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space_id = H5S.create_simple(dims(1), dims, []);
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end
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else
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space_id = H5S.create('H5S_SCALAR');
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end
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if safe
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try
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attr = H5A.create(gid,data_name,datatypeID,space_id,acpl);
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catch
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H5A.delete(gid, data_name);
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attr = H5A.create(gid,data_name,datatypeID,space_id,acpl);
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end
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else
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attr = H5A.create(gid,data_name,datatypeID,space_id,acpl);
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end
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H5A.write(attr,'H5ML_DEFAULT',data)
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end
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H5A.close(attr);
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end
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