Also the file_id returned from CALL h5fopen_f(filename, H5F_ACC_RDONLY_F, file_id, error) is 16777217 an unusual number for a file_id.
On Tue, Aug 4, 2015 at 3:45 PM, Richa Mathur <[email protected]> wrote: > Thanks Mark and Corey. > > after CALL h5fopen_f(filename, H5F_ACC_RDONLY_F, file_id, error) > I gave CALL h5gopen_f(file_id,"All_data" , grp_id1, grp_hdferr) as the > first call to open the group and got grp_hdrerr as -1. > I guess there is an error opening the group All_data. > > > the h5dump -n output is > > HDF5 > "SAMS_npp_d20150728_t2359556_e0000273_b19431_c20150729063134831043_nasa_ops.h5" > { > FILE_CONTENTS { > group / > group /All_Data > group /All_Data/AMS-SDR_All > dataset /All_Data/AMS-SDR_All/BeamTime > dataset /All_Data/AMS-SDR_All/BrightnessTemperature > dataset /All_Data/AMS-SDR_All/BrightnessTemperatureFactors > > Any help.... > > > On Tue, Aug 4, 2015 at 3:11 PM, Miller, Mark C. <[email protected]> wrote: > >> yeah, agree. "BeamTime" is in group "All_Data". To get to BeamTime, you >> have to H5Gopen the group and use the hid_t you get from that group in >> place of 'file_id' arg in h5dopen. Don't forget to close the group (and >> dataset) after you're done. >> >> Mark >> >> >> From: Hdf-forum <[email protected]> on behalf of >> Richa Mathur <[email protected]> >> Reply-To: HDF Users Discussion List <[email protected]> >> Date: Tuesday, August 4, 2015 12:03 PM >> To: HDF Users Discussion List <[email protected]> >> Subject: Re: [Hdf-forum] h5dopen returns error >> >> Thanks Mark !!! >> Filename is complete. The file_id that is returned from hdfopen_f >> (filename, H5F_ACC_RDONLY_F, file_id, error) is 16777217 and >> error code is 0. >> How do I find if 'BeamTime' is in root group or sub group ? >> >> The H5Dump is as below I guess the BeamTime is inside a GROUP "All_Data", >> >> GROUP "All_Data" { >> GROUP "AMS-SDR_All" { >> DATASET "BeamTime" { >> DATATYPE H5T_STD_I64BE >> DATASPACE SIMPLE { ( 12, 96 ) / ( H5S_UNLIMITED, >> H5S_UNLIMITED ) } >> DATA { >> (0,0): 1816819231684734, 1816819231702752, 1816819231720770, >> (0,3): 1816819231738788, 1816819231756806, 1816819231774824 >> >> Gompie >> >> >> On Tue, Aug 4, 2015 at 2:52 PM, Miller, Mark C. <[email protected]> >> wrote: >> >>> Are you sure you are getting a valid file_id back from the h5fopen_f >>> call? Are you by chance missing an extension on the filename such as >>> 'satfilename.h5' and is the dataset 'BeamTime' in the 'root group' of the >>> file or perhaps some sub-group? >>> >>> Mark >>> >>> >>> From: Hdf-forum <[email protected]> on behalf of >>> Richa Mathur <[email protected]> >>> Reply-To: HDF Users Discussion List <[email protected]> >>> Date: Tuesday, August 4, 2015 10:42 AM >>> To: "[email protected]" <[email protected]> >>> Subject: [Hdf-forum] h5dopen returns error >>> >>> >>> >>> Hi >>> I am trying to read a hdf5 file in fortran95 ( gfortran). Peice of code >>> is >>> >>> INTEGER(HID_T) :: file_id ! File identifier >>> INTEGER(HID_T) :: dset_id ! Dataset identifier >>> >>> INTEGER :: error ! Error flag >>> INTEGER :: i, j >>> >>> INTEGER, DIMENSION(96,12) :: dset_data, data_out ! Data buffers >>> INTEGER(HSIZE_T), DIMENSION(2) :: data_dims >>> >>> filename='satfilename' >>> >>> CALL h5fopen_f(filename, H5F_ACC_RDONLY_F, file_id, error) >>> >>> CALL h5dopen_f(file_id,"BeamTime", dset_id, error) >>> >>> >>> print *,"Data Set(ATMS) ID ERROR",dset_id, error . >>> The h5dopen_f returns error as -1. >>> >>> Later on when I use >>> >>> CALL h5dread_f(dset_id, H5T_STD_I64BE, data_out, data_dims, error) >>> >>> error -1 is returned from this function as well and I get incorrect >>> values of my variable in data_out. >>> >>> Can you help >>> Gompie >>> >>> >>> >>> The h5dump of my hdf5 file has >>> >>> >>> GROUP "All_Data" { >>> GROUP "AMS-SDR_All" { >>> DATASET "BeamTime" { >>> DATATYPE H5T_STD_I64BE >>> DATASPACE SIMPLE { ( 12, 96 ) / ( H5S_UNLIMITED, >>> H5S_UNLIMITED ) } >>> DATA { >>> (0,0): 1816819231684734, 1816819231702752, 1816819231720770, >>> (0,3): 1816819231738788, 1816819231756806, 1816819231774824 >>> >>> >>> _______________________________________________ >>> Hdf-forum is for HDF software users discussion. >>> [email protected] >>> http://lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org >>> Twitter: https://twitter.com/hdf5 >>> >> >> >> _______________________________________________ >> Hdf-forum is for HDF software users discussion. >> [email protected] >> http://lists.hdfgroup.org/mailman/listinfo/hdf-forum_lists.hdfgroup.org >> Twitter: https://twitter.com/hdf5 >> > >
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