NDFileHDF5: Attributes defined for datasets in the xml file do not always appear in the HDF5 file. #65
Description
This problem is seen in the test2 files.
test2_layout.xml contains the following lines:
<dataset name="aequatorial_angle" source="ndattribute" ndattribute="sa"> <attribute name="units" source="constant" value="degrees" type="string" /> </dataset> However, the HDF5 file contains the following (this is with recent changes to "automatic" attributes in the hdf5-bugfix branch)
DATASET "aequatorial_angle" { DATATYPE H5T_IEEE_F64LE DATASPACE SIMPLE { ( 5 ) / ( 5 ) } DATA { (0): 0.001, 0, 0, 0, 0 } ATTRIBUTE "NDAttrDescription" { DATATYPE H5T_STRING { STRSIZE 34; STRPAD H5T_STR_NULLTERM; CSET H5T_CSET_ASCII; CTYPE H5T_C_S1; } DATASPACE SCALAR DATA { (0): "sample azimuthal rotation, degrees" } } ATTRIBUTE "NDAttrName" { DATATYPE H5T_STRING { STRSIZE 2; STRPAD H5T_STR_NULLTERM; CSET H5T_CSET_ASCII; CTYPE H5T_C_S1; } DATASPACE SCALAR DATA { (0): "sa" } } ATTRIBUTE "NDAttrSource" { DATATYPE H5T_STRING { STRSIZE 8; STRPAD H5T_STR_NULLTERM; CSET H5T_CSET_ASCII; CTYPE H5T_C_S1; } DATASPACE SCALAR DATA { (0): "ACQ_TIME" } } ATTRIBUTE "NDAttrSourceType" { DATATYPE H5T_STRING { STRSIZE 17; STRPAD H5T_STR_NULLTERM; CSET H5T_CSET_ASCII; CTYPE H5T_C_S1; } DATASPACE SCALAR DATA { (0): "NDAttrSourceParam" } } } DATASET "thickness" { Note that it contains the "automatic" attributes" like NDAttrDescription, but it does not contain the "units" attribute requested in the test2_layout.xml file.
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