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Update: This version works fine with PGPLOT 5.0.3. Also I improved
this readme file (expecially the instructions) and renamed it to match
the naming convention for readme files in the pgplot distribution.
John S. Salmento 1/1996.
I have finally ported PGPLOT 5.0.2 to the mac using Language System Fortran
2.1. The mac window driver currently supports 8 colors, cursor, rectangle
and polygon fills, and primitive pixel support (not tested yet), and pen
thickness support. No hardware dashed lines, color query support, hardware
symbol support. I plan to make improvements as time goes by. I have also
ported the postscript, null, HPGL plotter, HPGL2 (not tested yet), HP7221,
Latex (not tested yet), and Metafile (not tested yet).
I create a MPW script that automatically creates the makefile. I also
created two fortran programs: the first automatically creates the grexec.f
file from the drivers.list file, the second creates pgplot.doc and
pgplot.html. Both of these programs are written using the F77 standard,
except for a few Language System extensions. So these programs can be
easily modified to run on other machines.
Finally, I'm not a programmer so if you find any bugs, inconsistencies,
suggestions, and especially re-written, new and improved subroutines send
them to me. I'm a Ph.D. student trying to finish and looking for work, so
I'm not able to support of this project. If someone else wants to take
over support than please do. I would like to receive any modifications or
improvements so that I can update this port when I have time or at least
distribute the modifications as separate files.
Cristy (cristy@udel.edu) has taken this port of PGPLOT 5.0.2 and got it
working in 68000 mode on a PowerPC. I have incorporated her changes into
this release. Mike Burnett (mnb@ornl.gov) has gotten this port to work in
native mode on a PPC. I have not incorporated his modifications so see the
file ppcnative.version for more instructions. Rob Managan
(managan@llnl.gov) is creating a version of PGPLOT to work with Absoft
MacFortran. He sent me instructions for changing the cursor to cross-hairs
which I have not implemented, see the file crosshairs.txt for more details.
Cristy and Mike Burnett are not available for support although if they have
time they may be able to answer a few questions.
Installation Instructions for the Mac Driver for PGPLOT 5.0.2 using LS
FORTRAN 2.1.
1. Get and install pgplot from http://astro.caltech.edu/~tjp/pgplot/.
Pgplot, as of version 5.0.3, contains an older version of the mac driver in
the sys_mac folder.
2. Put sys_mac from this archive into the pgplot folder, overwriting any
existing sys_mac folder.
3. Copy macmake, pgplot.make, buildpgplot, and drivers.list into the
pgplot folder.
4. Modify drivers.list in the pgplot folder to include or exclude the
drivers you want.
5. Copy pgplot.inc and grpckg1.inc from the src folder into the pgplot
folder.
6. In :sys_mac: modify the comment lines at the top of mcdriv.f, gruser.f,
grgmem.f.
This version of pgplot.make compiles driver files that are placed in the
:sys_mac: folder, so there is no need to copy mcdriv.f to the :drivers:
folder.
Macmake is a MPW script to create the pgplot.make file. It takes
approximately 15 minutes on my 33MHz 68030 PB165c. So if you may want to
modify pgplot.make directly if you want to make small changes like change
the compiler settings or add a new driver file. Buildpgplot is a MPW
script which accepts one of the targets defined in pgplot.make such as all,
pgplot.lib, grfont.dat, demos, etc.
If you want to create a new pgplot.make, edit the driver.list file in the
pgplot folder to mark the drivers that you want to compile. Set the
current directory inside of MPW to the pgplot folder. Type "macmake" in
the worksheet window. After creating the new pgplot.make file, I would
modify it to remove the saveall compiler option for mcdriv.f. I don't
believe it is needed and it reduces the amount of memory needed to run the
demo programs.
To build the pgplot.lib library file for the first time, create pgplot.make
with macmake or modify the existing pgplot.make file. Then type
"buildpgplot all". This will create the pgplot.lib, grfont.dat, grexec.f,
all the demostration programs.
To create the documentation, type "buildpgplot doc". This creates the
files pgplot.doc and pgplot.html.
To remove all the *.f.o files, type "buildpgplot clean". Note: this does
not remove the *.f.o files in the examples folder. I will fix that in the
near future.
Comments:
The mac device is Interactive, Cursor Control, No Hardware dashed lines,
Arbitary Polygons Fills, Pen Thickness support but ends are not rounded,
Rectangle Fills, Pixel Primitives Support, No Extra Prompt before closing
window, No color query support, No hardware symbol. Also only 8 colors are
supported, I haven't figured out how to use ColorQuickdraw.
Unix environment names are replaced with a file called pgplotenvnames.
This file contains a list of the environment names and their settings. It
should be placed in the same folder as the folder you are running your
fortran program from. So if you are executing one of the examples in
:pgplot:examples:, then put pgplotenvnames into that folder. If the
library can't find it, then a dialog box will come up asking you to find
it.
Only one macwindow at a time can be supported currently. If you want the
window to remain updated you need to set the environment variable
MACPICTURE to ON in the pgplotenvnames files. Window updating is
accomplished by recording everything written to the screen in a QuickDraw
picture and then setting the WindowPic to the picture handle. This way the
mac OS will handle updating the picture whenever it needs to be done. It
is not fast but it makes programming windowing updating very easy. An
interesting side effect occurs when the animation is used such as in
pgdemo11. After the traveling sine wave is completed and you switch to
another application or window which partially covers the sine wave window,
when you switch back the region which was covered will be re-written
starting from the beginning (which can take awhile). So a crude control is
to turn-off picture recording in the pgplotenvnames files and turn it on
again when you want it. Also the window will not update during interactive
mode until the entire picture is finished.
I haven't written any code to save the picture to a "PICT" file or to send
it to a printer.
I tried to get OPCODE 26 working, but I'm not sure if any of the example
programs use it so I don't know if it works.
Libraries files in LS Fortran 2.1 seem to be flakely. So it would be nice
to see if combining all the pgplot files into a single file and recompiling
would make it more robust. For examples, I haven't gotten pgplot.lib to
work correctly with all of the example programs when I compile it with the
mc68881 option.
Need to modify grgenv.f so that pgplotenvnames can be placed in preference
folder. (Mike Burnett has modified pgplotenvnames to look in the
preferences folder, but I haven't tested it yet. It is included as
newgrgenv.f. Rename it to grgenv.f and re-build pgplot.lib to use it.)
Current problems with demo programs.
The arrows don't appear using Pgconx in pgdemo3 and contouring on a
non-cartesian grid is very slow.
2nd example in pgdemo5 needs more colors.
pgdemo6 uexpectedly quits when I hit return to close the mac window.
pgdemo9 needs more colors before it will work.
Last bits of advise.
Try adjusting the compiler options if things don't work correctly. If the
examples or other programs die or crash try increasing the memory
partition. If you are getting undeclared toolbox functions or variables
then check to see if the file toolbox file in :interfaces:fincludes: is
similiar to the toolbox file in :sys_mac: The toolbox file in :sys_mac: is
not used, I included to show you what my toolbox file looks like. See your
LS fortran manual for more details about the toolbox file.
Good luck
John Salmento
js0p@lehigh.edu
http://www.lehigh.edu/~js0p/js0p.html (web page for pgplot for mac).
(610) 758-6285
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