r8tohdf(1) [debian man page]

R8TOHDF(1)						      General Commands Manual							R8TOHDF(1)

NAME

       r8tohdf - convert 8-bit raster images to HDF format

SYNOPSIS

       r8tohdf [number-of-rows number-of-columns] output-filename [-p palette-filename] [-c] [-r] [-i] raw-raster-image-filename-1, raw-raster-
	      image-filename-2, ...

DESCRIPTION

       r8tohdf converts a set of raw raster images to the HDF RIS8 format and writes them to a file.

OPTIONS

       -p pallette-file
	      Specify the name of the palette file.

       -c     Run length coding.  Compress the output data using run-length encoding.

       -i     IMCOMP Compression.  Compress the output data using the IMCOMP method.

       -r     No Compression.  Apply no compression to the output data. (the default).

EXAMPLES

       A file named "rawras" contains a 256 x 512-byte raw raster image, and its palette is stored in a file name "mypal". To convert the informa-
       tion in these files to an RIS8 without compression and store the RIS8 in a file named "ras.hdf", enter the following r8tohdf command:

	 r8tohdf 256 512 ras.hdf -p mypal rawras

       A  800 x 1000-byte raw raster image is stored in a file named "bigpic".	This data must be converted to a RIS8 without a palette, compress-
       ing it using run-length encoding, then stored in a file named "bigpic.hdf". The following command will do this:

	 r8tohdf 800 1000 bigpic.hdf -c bigpic

       A 300 x 400 raw raster image is contained in each of the files named "pic1", "pic2", and "pic3". To convert all three files to RIS8s,  com-
       press them using the IMCOMP method, and store them in a file named "pic.hdf", enter

	 r8tohdf 300 400 pic.hdf -i pic1 pic2 pic3

       Different  types of raster image data are to be stored in a file named "ras.hdf". The image data in the file "rawras1" will be stored with-
       out a palette. The image data sets from the file named "rawras2" are to be stored with a palette extracted from a file named  "mypal".  The
       images from the "rawras1" and "rawras2" files are to be compressed using run-length encoding, and the image in the "rawras3" file is not to
       be compressed. The size of all images are 256 x 512 bytes. The following command is used to do this:

	 r8tohdf 256 512 ras.hdf -c rawras1 -p mypal rawras2 -r rawras3

SEE ALSO

       hdftor8(1), hdf(5)

								 November 6, 1999							R8TOHDF(1)

Check Out this Related Man Page

HDFLS(1)						      General Commands Manual							  HDFLS(1)

NAME

       hdfls - list basic information about an HDF file

SYNOPSIS

       hdfls [-o] [-l] [-d] [-v] [-g] [-s] [-h] [-t n] hdf_file

DESCRIPTION

       hdfls provides general information about the tags, reference numbers, and if requested, lengths of the data elements.

OPTIONS

       -o     display the reference numbers in ascending order.

       -l     long format.  Display more information about the file.

       -d     Display offset and length information for each element in the file.

       -v     verbose.	Display annotation and label text, along with the format triggered by the -l flag.

       -g     Group.  List items by group.

       -s     Special elements.  Display detailed information about special elements.

       -d     Display offset and length information for each element in the file.

       -h     Dump DD block information.

       -t n   Tag.  Only list information about the specified tag. Must be followed by a tag number.

EXAMPLES

       A  file called "aa.hdf" contains three items associated with a raster image; the image dimensions, a palette, and the raster image. To dis-
       play information about the contents of this file, the following command is used.

       hdfls aa.hdf

       The following output is displayed:

	       aa.hdf:

       Image Dimensions-8:		       (Raster-8): (tag 200)

	       Ref nos: 1

       Image Palette-8: 		       (Raster-8): (tag 201)

	       Ref nos: 3

       Raster Image-8:		       (Raster-8): (tag 202)

	       Ref nos: 1

       The following displays the same information with the length of each data element:

       hdfls -l aa.hdf

       This would result in the following information being displayed:

	       aa.hdf:

	       Image Dimensions-8:	       (Raster-8)      : (tag 200)

	       Ref no 1 	       4 bytes

	       Image Palette-8: 	       (Raster-8)      : (tag 201)

	       Ref no 3 	       768 bytes

	       Raster Image-8:	       (Raster-8)      : (tag 202)

	       Ref no 1 	       120000 bytes

SEE ALSO

       hdf(5)

								 October 31, 1999							  HDFLS(1)

Linux and UNIX Man Pages

r8tohdf(1) [debian man page]

Check Out this Related Man Page