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matlab: new ReadHDF5Attribute function to abstract hdf5 attribute reading

pull/1/head
Thorsten Liebig 2012-09-21 14:16:13 +02:00
parent ccdb47a4cb
commit b3ca99ec56
3 changed files with 41 additions and 22 deletions
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33
matlab/ReadHDF5Attribute.m Normal file
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@ -0,0 +1,33 @@
function attr = ReadHDF5Attribute(file, groupname, attr_name)
% attr = ReadHDF5Attribute(file, groupname, attr_name)
%
% internal function for openEMS to read hdf5 attributes
%
% See also: ReadHDF5ComplexData
%
% openEMS Matlab/Octave interface
% -----------------------
% author: Thorsten Liebig, 2012
if isOctave
if (exist('h5readatt_octave')==0)
warning('openEMS:ReadHDF5Attribute','function "h5readatt_octave" not found, trying to run "setup"');
try
setup
catch
error('openEMS:ReadHDF5Attribute','running "setup" failed...');
end
end
attr = double(h5readatt_octave(file,groupname,attr_name));
else
%check for different matlab versions
if verLessThan('matlab','7.9')
attr = double(hdf5read(file,[groupname '/' attr_name]));
elseif verLessThan('matlab','7.12')
attr = double(hdf5read(file,groupname,attr_name));
else
attr = double(h5readatt(file,groupname,attr_name));
end
end

6
matlab/ReadHDF5FieldData.m
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@ -61,7 +61,7 @@ end
% extract FD data % extract FD data
try try
hdf_fielddata.FD.frequency = double(hdf5read(file,'/FieldData/FD','frequency')); hdf_fielddata.FD.frequency = ReadHDF5Attribute(file,'/FieldData/FD','frequency');
catch err catch err
% disp(err) % disp(err)
return return
@ -81,12 +81,12 @@ if isfield(hdf.FieldData,'TD')
for n=1:numel(hdf_fielddata_names) for n=1:numel(hdf_fielddata_names)
hdf_fielddata.TD.values{n} = hdf.FieldData.TD.(hdf_fielddata_names{n}); hdf_fielddata.TD.values{n} = hdf.FieldData.TD.(hdf_fielddata_names{n});
hdf_fielddata.TD.names{n} = ['/FieldData/TD/' hdf_fielddata_names{n}(2:end)]; hdf_fielddata.TD.names{n} = ['/FieldData/TD/' hdf_fielddata_names{n}(2:end)];
hdf_fielddata.TD.time(n) = h5readatt_octave(file, hdf_fielddata.TD.names{n},'time'); hdf_fielddata.TD.time(n) = ReadHDF5Attribute(file, hdf_fielddata.TD.names{n},'time');
end end
end end
if isfield(hdf.FieldData,'FD') if isfield(hdf.FieldData,'FD')
%read FD data %read FD data
hdf_fielddata.FD.frequency = h5readatt_octave(file,'/FieldData/FD/','frequency'); hdf_fielddata.FD.frequency = ReadHDF5Attribute(file,'/FieldData/FD/','frequency');
for n=1:numel(hdf_fielddata.FD.frequency) for n=1:numel(hdf_fielddata.FD.frequency)
hdf_fielddata.FD.values{n} = double(hdf.FieldData.FD.(['f' int2str(n-1) '_real']) +1i*hdf.FieldData.FD.(['f' int2str(n-1) '_imag']) ); hdf_fielddata.FD.values{n} = double(hdf.FieldData.FD.(['f' int2str(n-1) '_real']) +1i*hdf.FieldData.FD.(['f' int2str(n-1) '_imag']) );
end end

24
matlab/private/ReadNF2FF.m
View File

@ -18,10 +18,12 @@ nf2ff.r = double(hdf_mesh.lines{1});
nf2ff.theta = double(hdf_mesh.lines{2}); nf2ff.theta = double(hdf_mesh.lines{2});
nf2ff.phi = double(hdf_mesh.lines{3}); nf2ff.phi = double(hdf_mesh.lines{3});
% read attributes
nf2ff.freq = ReadHDF5Attribute(file,'/nf2ff','Frequency');
nf2ff.Prad = ReadHDF5Attribute(file,'/nf2ff','Prad');
nf2ff.Dmax = ReadHDF5Attribute(file,'/nf2ff','Dmax');
if isOctave if isOctave
nf2ff.freq = double(h5readatt_octave(file,'/nf2ff','Frequency'));
nf2ff.Prad = double(h5readatt_octave(file,'/nf2ff','Prad'));
nf2ff.Dmax = double(h5readatt_octave(file,'/nf2ff','Dmax'));
hdf = load( '-hdf5', file ); hdf = load( '-hdf5', file );
for n=1:numel(nf2ff.freq) for n=1:numel(nf2ff.freq)
nf2ff.E_theta{n} = double(hdf.nf2ff.E_theta.FD.(['f' int2str(n-1) '_real']) +1i*hdf.nf2ff.E_theta.FD.(['f' int2str(n-1) '_imag']) ); nf2ff.E_theta{n} = double(hdf.nf2ff.E_theta.FD.(['f' int2str(n-1) '_real']) +1i*hdf.nf2ff.E_theta.FD.(['f' int2str(n-1) '_imag']) );
@ -33,17 +35,6 @@ else
% matlab compatibility to older versions % matlab compatibility to older versions
if verLessThan('matlab','7.12') if verLessThan('matlab','7.12')
% read attributes
if verLessThan('matlab','7.9')
nf2ff.freq = double(hdf5read(file,'/nf2ff/Frequency'));
nf2ff.Prad = double(hdf5read(file,'/nf2ff/Prad'));
nf2ff.Dmax = double(hdf5read(file,'/nf2ff/Dmax'));
else
nf2ff.freq = double(hdf5read(file,'/nf2ff','Frequency'));
nf2ff.Prad = double(hdf5read(file,'/nf2ff','Prad'));
nf2ff.Dmax = double(hdf5read(file,'/nf2ff','Dmax'));
end
% read data % read data
for n=1:numel(nf2ff.freq) for n=1:numel(nf2ff.freq)
nf2ff.E_theta{n} = double(hdf5read(file,['/nf2ff/E_theta/FD/f' int2str(n-1) '_real']) + 1i*hdf5read(file,['/nf2ff/E_theta/FD/f' int2str(n-1) '_imag'])); nf2ff.E_theta{n} = double(hdf5read(file,['/nf2ff/E_theta/FD/f' int2str(n-1) '_real']) + 1i*hdf5read(file,['/nf2ff/E_theta/FD/f' int2str(n-1) '_imag']));
@ -54,11 +45,6 @@ else
return return
end end
% read attributes
nf2ff.freq = double(h5readatt(file,'/nf2ff','Frequency'));
nf2ff.Prad = double(h5readatt(file,'/nf2ff','Prad'));
nf2ff.Dmax = double(h5readatt(file,'/nf2ff','Dmax'));
% read data % read data
for n=1:numel(nf2ff.freq) for n=1:numel(nf2ff.freq)
nf2ff.E_theta{n} = double(h5read(file,['/nf2ff/E_theta/FD/f' int2str(n-1) '_real']) + 1i*h5read(file,['/nf2ff/E_theta/FD/f' int2str(n-1) '_imag'])); nf2ff.E_theta{n} = double(h5read(file,['/nf2ff/E_theta/FD/f' int2str(n-1) '_real']) + 1i*h5read(file,['/nf2ff/E_theta/FD/f' int2str(n-1) '_imag']));