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Radiance 3.9 (Stable branch)

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Special Forums News, Links, Events and Announcements Software Releases - RSS News Radiance 3.9 (Stable branch)
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Old 07-08-2008
Radiance 3.9 (Stable branch)
Radiance is a set of tools which provide an advanced lightingsimulation software package. It allows very detailed definition ofmaterials' and light sources' properties through the use of advancedtechniques like brdf and ies files, as well as a powerful mathematicalscripting language, resulting in accurate renderings of scenes whichare usually imported from CAD and 3D modelers. It uses the hybridapproach of Monte Carlo and deterministic ray tracing to achieve areasonably accurate result in a reasonable time.License: Free To Use But RestrictedChanges:
Memory requirements for octree were reduced by a factor of 8. Byte-swapping input and output was added to rcalc along with extra error checking for source surfaces, a -spec option in falsecolor to restore the original spectral color scale, the ability to incorporate BSDF data in calculations, and support for persistent rendering and for cumulative calculations. Ray weights were corrected for material mixtures. Bugs in the shadow cache were fixed. Pixel alignment was fixed in pcomb for size reduction and enlargement.Image

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LEARN ABOUT DEBIAN

ra_pict

RA_PICT(1)						      General Commands Manual							RA_PICT(1)

NAME

       ra_pict - convert Radiance pictures to Macintosh PICT files

SYNOPSIS

       ra_pict [ -e +/- stops ] [ -v ] [ -g gamma ] [ infile [ outfile ]]

DESCRIPTION

       Ra_pict	converts a Radiance picture, as produced by rpict (1) to a Macintosh PICT file. The picture will be a 24 bit PICT 2 picture, using
       a single bit map (DirectRect).

OPTIONS

       -g gamma  This sets an explict gamma correction for the image. If it is not specified, the default value of 2.0 is used.

       -v	 Invokes verbose mode, and gives line on standard error giving the size of the picture and the gamma correction used.

       -e +/- stops
		 Adjusts the exposure by stops.

       infile	 Specifies the file to read the picture from. If none is specified, it takes it from standard input. If standard  input  is  used,
		 then the picture is sent to standard output.

       outfile	 Specifies the file to send the PICT file to. If none is specified, it is sent to standard output.

EXAMPLES

	   ra_pict mypict.hdr mypict.pict

       Will convert the Radiance picture mypict.hdr, giving the Macintosh PICT mypict.pict.

	   ra_pict -g 2.2 mypict.hdr mypict.pict

       Will convert the file using a gamma of 2.2.

SEE ALSO

       rpict(1)

BUGS

       Does  not  yet do Macintosh PICT to Radiance PIC, as this PICT files are a lot more complex than just one bit map. This is left as an exer-
       cise for the reader :-)

AUTHOR

       Russell Street

RADIANCE
							     11/15/93								RA_PICT(1)