On Sat, Nov 24, 2012 at 8:22 PM, Quincey Koziol <[email protected]> wrote: > > On Nov 24, 2012, at 8:59 PM, dashesy <[email protected]> wrote: > >> On Sat, Nov 24, 2012 at 6:33 PM, Quincey Koziol <[email protected]> wrote: >>> Hi Nils, >>> >>> On Nov 22, 2012, at 1:39 AM, ceratos <[email protected]> wrote: >>> >>>> Maybe for clarification: >>>> What I really want is to save the frames (one group with different images >>>> and metadata) continuously in one hdf5. >>>> At the beginning I create only one file without a frame. Continuously the >>>> frames arrive and I want to append them to the file. >>>> >>>> Maybe there are other structures or strategy in HDF to store this? >>> >>> You could create a 3-D chunked dataset with an unlimited dimension >>> and store each frame as a new "slice" in the Z direction. >>> >> >> Just curious, is this faster than packet table? > > Well, packet tables are designed for 1-D data, so it's a bit of an > apples-to-oranges comparison...
But I am using it for vector data of fixed length, data type can be anything, like a 2D array representing an image. Again this is a matter of choice, but I am more curious to know which one is better for realtime tasks (requires less IO for example) > > Quincey > > > _______________________________________________ > Hdf-forum is for HDF software users discussion. > [email protected] > http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
