Hi All, On Mar 22, 2011, at 11:44 AM, Gerd Heber wrote:
> Pavel, how are you? > > Ad 1. > > Have a look at the HDF5 Image spec > http://www.hdfgroup.org/HDF5/doc/ADGuide/ImageSpec.html . > You'll need a few additional attributes (e.g., CLASS, IMAGE_SUBCLASS) to > convince HDFView > that it's dealing with an image. (I can send you an example next week if you > can't sort it out.) > When a dataset doesn't have those attributes, one can use an Image View in HDFView to display data as an image: right click on the dataset in the Tree Window, then choose "Open As", and then choose Image in the "Data Selection" Window. Elena > Ad 2. > > Have a look at sections 4 and 6 of the User's Guide > (http://www.hdfgroup.org/HDF5/doc/UG/index.html). > Using the current version of the HDFDotNet wrapper you can select a > hyperslab (or unions). > You'll be able to select points (elements) in the next drop of the HDFDotNet > wrapper. > > Best, G. > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On Behalf Of Pavel Rudchenko > Sent: Tuesday, March 22, 2011 8:08 AM > To: [email protected] > Subject: [Hdf-forum] Write raster image using HDF5dotNet > > Hello. > > I have matrix of grayscale pixels (8, 12 or 16 bits per pixel). > Now I can save it to HDF5 using HDF5dotNet as dataset with rank 2. > How may I save it as raster image? To view image in HDFView. > > And my second question: now I can write an entire dataset (an entire > matrix). > How may I write and read only one of matrix's row or column? Or change one > element of matrix dataset? > > Thank you. > > _______________________________________________ > 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 _______________________________________________ Hdf-forum is for HDF software users discussion. [email protected] http://mail.hdfgroup.org/mailman/listinfo/hdf-forum_hdfgroup.org
