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compamb - Online in the Cloud

Run compamb in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command compamb that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


compamb - compute good ambient value for a rad input file

SYNOPSIS


compamb [ -c ][ -e ] rad_input_file

DESCRIPTION


Compamb computes a good ambient value for the specified rad(1) variable file and appends
it to the file as a "render= -av" option. If the -c option is specified, then compamb
includes color information in the computed ambient value, rather than estimating a grey
value to avoid rendering color shifts. If the -e option is specified, then compamb also
computes a good exposure value for this scene, and appends it to the rad file as well.

Compamb is a shell script that makes calls to other RADIANCE programs and utilities to do
the actual work. A substantial amount of time may be required to complete this script,
since compamb calls rpict(1) to render low resolution frames for each view in the rad
file, setting "QUALITY=High" to compute interreflections. The resulting ambient file is
thrown away, since it would disagree with the new -av setting used for the final
renderings. This method is preferable to setting the -aw option of rpict, which
frequently results in splotchy artifacts.

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