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pfsclamp - Online in the Cloud

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

This is the command pfsclamp 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


pfsclamp - Clamp color and luminance channel values to be within the specified range

SYNOPSIS


pfsclamp [--min <minimum>] [--max <maximum>] [--percentile] [--zero] [--rgb]

DESCRIPTION


Use this command to clamp values of luminance and color channels to be within the
specified range. I.e. if a value in the channel is above the specified maximum or below
specified minimum, set the value to either minimum or maximum.

The command operates directly on XYZ channels.

OPTIONS


--min <val>

Lower bound for clamping. Default value: 0.0001 (10^-4)

--max <val>

Upper bound for clamping. Default value: 100000000 (10^8)

--percentile, -p

Treat given min and max values as a percentile.

--zero, -z

Set values out of clamping range to zero, instead of setting to specified maximum
and minimum.

--rgb

Perform clamping in RGB space.

EXAMPLES


pfsin memorial.hdr | pfsclamp | pfsout memorial_cl.hdr

Remove possible out-of-range values, for examples zeros, from memorial image.

pfsin memorial.hdr | pfsclamp --max 0.95 -p | pfsout memorial_cl.hdr

Remove 5% of the brightest pixels from the original image.

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