Hi Jun, write back to me at [email protected] and include your version
of MATLAB, which platform you are working on, and some information about the
size of your datasets and I'll try to figure out what's going wrong for you.
On Friday 27 January 2012 19:57:00 wolf3026 wrote:
> Dear h5 experts
>
> I am writting a matlab code(very simliar to c++) to save large number of
> images onto a h5 dataset but a odd error('could not open file')
> persistantly pops out while a loop is being executed. It was totally fine
> for the first 35000 executions and out of sudden the h5 file can not be
> opened.
>
> Initially I thought it was a memory shortage problem, then i re-organized
> my function structure to optmise memory usage, the error still appears.
> Did anyone experienced similar problem? I would be very grateful if you
> could shed some light on this.
>
> My code structure is very simple:
> >>>>>>create dataspace, datatype, h5 file and a dataset
> >>>>>>create timer object to save images very 10 seconds
> >>>>>>write image data onto the dataset.
>
> ---------------------------------------------------------------------------
> ----------- * for n = 1:i_num_t
> d1_start = fliplr([0 (i_num1+n-1)*i_info.i_size(2)]);
> d1_data = imread([i_info.i_folder i_name{n}]);
> sd1_file_id = H5D.get_space(h5_id.d1);
>
> H5S.select_hyperslab(sd1_file_id, 'H5S_SELECT_SET',...
> d1_start, d_hyper.stride,d_hyper.d_count,
> d_hyper.block)
> H5D.write(h5_id.d1, 'H5ML_DEFAULT', d_space.d1_m,
> sd1_file_id,...
> 'H5P_DEFAULT', d1_data)
> H5D.set_extent(h5_id.d1, fliplr([i_info.i_size(1)
> (i_num1+n+1)*i_info.i_size(2)]));
> end *
> ---------------------------------------------------------------------------
> ----------- One question in my mind is that whether i need to close h5
> dataset within my for loop and re-open it in every iteration. Someone is
> saying that windows ran out of file handle, but if that is the case,
> different error message will come out i suppose.
>
> Many thanks in advance!
>
> Jun
>
>
>
>
> --
> View this message in context:
> http://hdf-forum.184993.n3.nabble.com/A-Very-odd-error-When-saving-large-n
> umber-of-images-in-h5-using-Matlab-tp3695005p3695005.html Sent from the
> hdf-forum mailing list archive at Nabble.com.
>
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