58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
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#include <octave/oct.h>
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#include <octave/ov-struct.h>
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#include "hdf5.h"
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DEFUN_DLD (h5readatt_octave, args, nargout, "h5readatt_octave(<File_Name>,<DataSet_Name>,<Attribute_Name>)")
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{
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octave_value retval;
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int nargin = args.length();
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if (nargin != 3)
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{
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print_usage();
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return retval;
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}
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if ((args(0).is_string()==false) || (args(1).is_string()==false) || (args(2).is_string()==false))
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{
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print_usage();
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return retval;
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}
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//suppress hdf5 error output
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H5Eset_auto(NULL, NULL);
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hid_t file = H5Fopen( args(0).string_value().c_str(), H5F_ACC_RDONLY, H5P_DEFAULT );
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if (file==-1)
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{
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error("h5readatt_octave: opening the given File failed");
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return retval;
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}
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hid_t ds = H5Dopen(file, args(1).string_value().c_str());
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if (ds==-1)
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{
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error("h5readatt_octave: opening the given DataSet failed");
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return retval;
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}
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hid_t attr = H5Aopen_name(ds, args(2).string_value().c_str());
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if (attr==-1)
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{
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error("h5readatt_octave: opening the given Attribute failed");
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return retval;
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}
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float value;
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if (H5Aread(attr, H5T_NATIVE_FLOAT, &value)<0)
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{
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error("h5readatt_octave: reading the given Attribute failed");
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return retval;
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}
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H5Aclose(attr);
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H5Dclose(ds);
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H5Fclose(file);
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retval = octave_value(value);
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return retval;
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}
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