RISTOSDS(1) General Commands Manual RISTOSDS(1)NAME
ristosds - convert several RIS8 images to one 3D SDS
SYNOPSIS
ristosds input-file-1, input-file-2... [-o output-file]
DESCRIPTION
ristosds creates a single HDF file consisting of a three-dimensional Scientific Data Set (SDS) from a set of HDF files containing one or
more raster images. All images in the input HDF files must have the same dimensions. If a palette is to be included with the images, it
should be in the first HDF input file. Only one palette can be associated with the images; any additional palette data encountered by the
utility after the first palette has been processed will be ignored.
OPTIONS -o outfile
Write the output to outfile.
EXAMPLES
The contents of a directory consists of 20 files named "storm001.hdf", "storm002.hdf". ... "storm020.hdf". Each file contains a single RIS8
with a 100 x 200 raster image. A file that combines these 20 raster images into a 32-bit floating-point SDS with the dimensions 100 x 200 x
20 can be created with the following ristosds command:
ristosds storm*.hdf -o storm.hdf
SEE ALSO hdf(5).
November 7, 1999 RISTOSDS(1)
Check Out this Related Man Page
HDFTOPAL(1) General Commands Manual HDFTOPAL(1)NAME
hdftopal, paltohdf - convert between a palette in an HDF file and a raw palett e in a non-HDF file
SYNOPSIS
hdftopal hdf-pallette-file raw-pallette-file
paltohdf raw-pallette-file hdf-pallette-file
DESCRIPTION
hdftopal converts a palette in an HDF file to a raw palette in an non-HDF file. The raw palette will have 768 bytes with the first 256
bytes representing red intensity values, the second 256 bytes representing green intensity values, and the third 256 bytes representing
blue intensity values.
paltohdf performs the converse conversion, from raw palette data to the HDF palette format. The raw palette data must have 768 bytes orga-
nized in the following order: first, 256 contiguous red intensity values, then 256 contiguous green intensity values, then 256 contiguous
blue intensity values. The palette in the HDF file will have the RGB values pixel-interlaced, as follows:
red-value green-value blue-value red-value green-value blue-value...
This is the standard HDF format for 8-bit palettes.
If an HDF palette format file is specified that doesn't exist, it is created before the converted data is stored. If an HDF palette format
file is specified that already exists, the converted data is appended to the file.
SEE ALSO hdf(5)
November 6, 1999 HDFTOPAL(1)
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