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\f0\b\fs24 \cf0 \cb2 Read Me for SciPDL
\b0 \
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\i \cf0 Matthew Kenworthy, Leiden, The Netherlands, 2012 Feb 07
\i0 \
This is a binary PDL install for Mac OS X, targeted at Intel Macs with Snow Leopard and built on 10.7.3. The installs go in to the Mac OS X system standard places 
\f1 /usr/local/...
\f0  and
\f1 /Libary/Perl...
\f0  for locally installed software and modules. Installed files are listed in:\
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\f1 \cf0     /Library/Perl/5.12/darwin-thread-multi-2level/PDL/README.installed_files.txt\
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\f0\b \cf0 Overall Notes and Philosophy
\b0 \
This is intended to be a pre-compiled binary installation which installs just about everything needed to get a typical astronomer user of PDL off and running. The principle components are PDL and PGPLOT (a graphics library for scientific 2D plots) and a 3D graphics library.\
You can learn about PDL at the web site PDL - The Perl Data Language -\
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{\field{\*\fldinst{HYPERLINK "http://pdl.perl.org/"}}{\fldrslt \cf3 \ul \ulc3 http://pdl.perl.org}}\
Everything is as "statically linked" as possible in order to minimise dependencies and collisions. For example although parts of this are compiled using Fortran so you don't need a compiler installed - not even a C compiler for that matter.\
The only prerequisite is to have X11 installed which comes on the OS X install disk with your computer.\
Note a clean OS X installation leaves these locations empty so it is fair to assume everything here is safe from OS X upgrades.\
The C compiler is 
\f1 gcc
\f0  and the Fortran compiler is 
\f1 gfortran
\f0 \
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\b \cf0 PDL v2.4.10
\b0 \
"The Perl Data Language" - This is the latest release at the time of writing.\
This version is built with 
\f1 PGPLOT
\f0 , 
\f1 TriD
\f0 , 
\f1 BadVal
\f0 , 
\f1 FFTW
\f0 , 
\f1 GSL
\f0  support.\
Currently does not have 
\f1 Karma
\f0 , 
\f1 PLPLOT
\f0  support.\
Type 
\f1 perldl
\f0  to launch the interactive shell or 
\f1 use PDL;
\f0  in a perl script.\

\b perl-PGPLOT v2.21
\b0 \
Perl module which links perl with pgplot. This version is an unreleased testbed I have with experimental gfortran support.\

\b pgplot v5.3.1
\b0 \
These are the C and Fortran libraries for the scientific graphics library. This is installed in 
\f1 /usr/local/pgplot
\f0  with links in 
\f1 /usr/local/bin
\f0  and 
\f1 /usr/local/lib
\f0 \
I compiled it with the 
\i X11
\i0 , 
\i Postscript
\i0 , and 
\f1 PNG
\f0  drivers.\

\b ExtUtils::F77 v1.17
\b0 \
This is required for compiling perl modules which call Fortran and is included for completeness. This is an experimental unreleased new version with gfortran support.\

\b Term::ReadLine
\b0 \
Miscellaneous Perl Modules\
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\f1 \cf0     Inline                          v0.46\
    Parse::RecDescent               v1.965\
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\f0 \cf0 These are required to build PDL and are included for completeness.\
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\b \cf0 Extra Perl modules
\b0 \
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\f1 \cf0     Astro::FITS::Header             v3.03\
    Astro::FITS::CFITSIO            v1.07\
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\f0 \cf0 These are convenient to have.\
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\b \cf0 Non-Perl Stuff
\b0 \
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\f1 \cf0     CFITSIO                         v3.28\
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\f0 \cf0 \
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