Hi Martijn, On Dec 26, 2013, at 6:40 PM, Martijn Jasperse <[email protected]> wrote:
> Hi Elena, > Thanks for your prompt response - hope you're getting a holiday too!! > Of course! :-) Thank you for the examples! I reproduced both problems on my Mac. For you reference this is a JIRA issue JAVA-1807. Elena ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Elena Pourmal The HDF Group http://hdfgroup.org 1800 So. Oak St., Suite 203, Champaign IL 61820 217.531.6112 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > It looks like I reduced by "minimal example" too far - the exception gets > thrown if a dataset's name contains a symbol and you look at its properties > in HDFView (new test file attached) - tested with HDFView 2.9 and 2.10 on > Win7, 64-bit. > > <image.png> > > h5dump gives expected results: > HDF5 "test-symb.h5" { > GROUP "/" { > DATASET "data (°C)" { > DATATYPE H5T_STD_I32LE > DATASPACE SIMPLE { ( 3, 4 ) / ( 3, 4 ) } > DATA { > (0,0): 1, 2, 3, 4, > (1,0): 9, 8, 7, 6, > (2,0): 100, 200, 300, 400 > } > ATTRIBUTE "name" { > DATATYPE H5T_STRING { > STRSIZE H5T_VARIABLE; > STRPAD H5T_STR_NULLTERM; > CSET H5T_CSET_ASCII; > CTYPE H5T_C_S1; > } > DATASPACE SCALAR > DATA { > (0): "this is a test" > } > } > } > } > } > > Potentially this is because reading the name incorrectly leads to a failure > of probing the dataset's type (even though the program thinks it should > exist!). Interestingly, if you create a group whose name is entirely symbols, > it's interpreted as blank and turns into a link to the root node in HDFView! > > Finally, if a compound type is created with a name containing a symbol (the > original problem I had), that column is read out with default values > (test-symb2.h5). Again, I assume this is because the read compound is not > constructed correctly because of incorrect strings. > > Cheers, > Martijn > > > On 27 December 2013 12:18, Elena Pourmal <[email protected]> wrote: > Hi Martijn, > > I can reproduce "truncated" name with HDFView - ")" is missing, but I am not > getting an exception with 2.10 on OS X 10.8.5. Which system are you using? > > h5dump produces correct result: > HDF5 "test-symb.h5" { > GROUP "/" { > GROUP "T (°C)" { > } > } > } > HDFView output is attached. > > I will enter a bug report to fix the name in HDFView, but we will need to > reproduce the exception you are getting. > > Thank you! > > Elena > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > Elena Pourmal The HDF Group http://hdfgroup.org > 1800 So. Oak St., Suite 203, Champaign IL 61820 > 217.531.6112 > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > <HDFView-window.png> > > On Dec 23, 2013, at 6:47 PM, Martijn Jasperse <[email protected]> wrote: > >> Hi all, >> I'm having some difficulty with HDFview when names (e.g. dataset >> names/compound member names) contain standard symbols (e.g. degrees °). HDF5 >> itself works fine, but unexpected behaviour is observed in HDFview (seen in >> both 2.9 and 2.10) - such objects cannot be opened or queried. >> >> In the simplest example, I've created a dataset that cannot be opened in >> HDFview (double clicking the name has no effect), and choosing "Show >> Properties" on the dataset results in a >> java.lang.reflect.InvocationTargetException. Interestingly the last >> character of the dataset name is culled; which is potentially why there is >> an error. >> >> The same dataset can be opened and queried in C as follows: >> #include <hdf5.h> >> #include <stdio.h> >> int main() >> { >> char S[32]; >> hid_t f = H5Fopen( "test-symb.h5", H5P_DEFAULT,H5P_DEFAULT ); >> H5Lget_name_by_idx( f, ".", H5_INDEX_NAME, H5_ITER_DEC, 0, S, 32, >> H5P_DEFAULT ); >> H5Fclose( f ); >> puts( S ); >> } >> Although some terminals have trouble with symbols, piping the output to a >> file shows the expected result "T (°C)" >> >> Any ideas on why HDFview seems to have problems with it? >> >> Merry Christmas all! >> >> Cheers, >> Martijn >> <test-symb.h5>_______________________________________________ >> Hdf-forum is for HDF software users discussion. >> [email protected] >> http://mail.lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org > > > <test-symb.h5><test-symb2.h5>_______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org
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