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i Terms + Disclaimer i
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By downloading you accept these terms:
Though every precaution has been taken to ensure the quality of the programs, you download at your own risk:
RADIANCE-ONLINE AND THE MAINTAINERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL THE MAINTAINERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTUOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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i software download i
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Radiance is available at no cost both in source code and as compiled binaries.
Read the current Radiance license before downloading.

. Download official release from this server
Should you experience trouble with pre-compiled binaries (e.g. missing shared libraries), try compiling the stuff yourself. Give it a try. It is easy and only requires an ANSI-C compiler:
Download officially released version 3R9 (rad3R9all.tar.gz) (source code and libraries with CSAIL objects)
unpack with gunzip < rad3R9all.tar.gz | tar xf -
change to sub-directory ray and type ./makeall install
You're all set and the rest of this text shouldn't bother you, unless you're looking for compiled binaries, or the very latest, patched versions (CVS snapshots).
 
. Download from alternate Lawrence Berkeley National Lab (LBNL) website (Smaller distribution without CSAIL library objects)
 
. Download newer CVS snapshots from this server
  1. As an alternative, download an automatically generated archive, which is a nightly (approx at 05:00 UTC) snapshot of the CVS software management system used to track Radiance development. On UNIX you have the choice of a gzipped tar file or a bzip2 compressed cpio file, whatever you like. If you are using Windows, there's a zip archive for you. These snapshots require a second archive to be downloaded, containing files not in the CVS system, these extra files are termed auxiliary archive.
  2. download the auxiliary archive (see below)
  3. unpack:
    • on UNIX, unpack both archives (tar balls) (unpacks to directory ray) : gunzip < file | tar xf -
    • on Windows: unzip the zip archives, make sure they store their contents in the same sub directory ray
  4. compile:
    • on UNIX: cd ray; ./makeall install
    • on Windows: use Georg Mischler's SCons scripts and see instructions by Francesco Anselmo

source code archives and patch files
latest version
may not be not fully tested,
but has bugs fixed
packaged files of the HEAD CVS tag,
choose archive type to your liking:
gzipped tarradiance-HEAD.tgz
bzip2 cpioradiance-HEAD.cpio.bz2
zipradiance-HEAD.zip
changes from last official release to current HEAD version
list of changed files diff_HEAD_rad3R9.txt
patchfile diff_HEAD_rad3R9.patch

plus
 
auxiliary files (choose one archive type -- includes CSAIL objects)
auxiliary files (e.g. images) rad3R9supp.tar.gz
rad3R9supp.tar.bz2
rad3R9supp.zip

Note: Since January 2005, the tiff library shipped with these auxilary files contains LZW compression again, since the infamous LZW patent, claimed by Unisys, expired.
Stop software patents. They strangle public domain software. And that's what is serving you right now.
 
. compile options
Folks compiling source code:
Check your compiler man page for optimizing options (you probably already done so). For example, using gcc on machines with an Intel Pentium-3/4 or AMD Athlon, setting -O3 -march=pentium3 -mfpmath=sse cuts rendering times approximate by 5% since it uses SSE instructions over standard "387" floating point instructions (current as of October 2004). Other modern cpu architectures offer similar potential. Your mileage may vary and I recommend to compare optimized results with the standard version, - just in case.
 
. contributing code
See contribute-howto.html
 
. Links to compiled binaries
binary packages (other Internet sites - no responsibility for their content)
platform location maintainer
Linux Ubunto 7.10 http://radsite.lbl.gov/radiance/dist/rad3R9_linux.tar.gz, rad3R9 release Francesco Anselmo
Mac OS X (10.4 Universal) http://radsite.lbl.gov/radiance/dist/rad3R9_macosx.tar.gz, rad3R9 release Greg Ward
Solaris 5.8 on SPARC http://radsite.lbl.gov/radiance/dist/rad3R9_solaris_sparc.pkg.gz James Lee
Solaris 5.8 on Intel http://radsite.lbl.gov/radiance/dist/rad3R9_solaris_i386.pkg.gz James Lee
Windows (using Mingw) http://www.bozzograo.net/radiance/modules.php?op=modload&name=Downloads&file=index&req=viewdownload&cid=4 Francesco Anselmo

Compiled Radiance on a new platform ? Sent an email to the mailing list to be added here. Thanks!