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What this is:
The six files in this package (available as hdfdev.tar.Z) are the
necessary additions to Gplot 4.3b1 in order to add a new device
which produces output in HDF format.
Gplot 4.3b1 (available from PSC as ftp.psc.edu:pub/gplot/gplot.tar)
and HDF 3.10r4 (available from NCSA as ftp.ncsa.uiuc.edu:HDF/tar3.1/*)
are needed to make this driver operational. The files included here are:
Makefile.cdif \ Context diffs of the files "Makefile" and
devices.cdif / "devices.c" from the Gplot 4.3b1 package.
hdf.h \
hdf.c \ New files that make up the hdf Gplot driver.
rline.c /
rpoly.c /
Setup:
All that you need to do is extract these files into your main Gplot
source directory, then type the following lines to update your
Makefile and devices.c files:
patch < Makefile.cdif
patch < devices.cdif
If patch does not exist on your machine, then you will have to patch
these files by hand.
The Makefile expects the HDF library to be installed as libdf.a in a
standard library search location; if this file is located someplace
else or called something else, then modify the HLIBS line in the
Makefile. The files df.h and dfi.h (both from the HDF distribution)
are also expected to be found in a standard header search location;
if they are located someplace else, then add an appropriate -I<dir>
flag to the CFLAGS line in the Makefile.
NOTE: You must be sure to set the MACHINE line in the Gplot
Makefile to be the same as it was set in the HDF Makefile; any
errors while processing dfi.h are usually a result of MACHINE not
being set correctly.
Once these changes have been made and the Makefile configured for
your site, all you need to do is type "make" and you will get a new
Gplot executable with a "hdf" device that produces HDF raster images
from CGM files. Each image from the CGM file is placed into its own
HDF file; the first image is placed in the file "cgm0000.hdf", the
second in "cgm0001.hdf", etc. The device "hdf2" will place all the
images from the cgm file into a single "cgm.hdf" HDF file.
Limitations:
Currently, the following functions are unavailable:
- Conversion of direct color CGM images into HDF raster images.
- Pattern and hatch fill of polygons.
Support:
This Gplot device driver was written by Michael Mull of the San
Diego Supercomputing Center. He is providing support for this
device driver and any questions or problems should be directed
towards him. His InterNET mailing address is:
mullm@sdsc.edu
Problems with this patch kit should be directed toward Brian Kircher
and Anjana Kar of the Pittsburgh Supercomputing Center at the
following InterNET mailing addresses:
kircher@a.psc.edu
kar@a.psc.edu
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