pfsclamp - Clamp color and luminance channel values to be within the specified range
Contents
Bugs
Please report bugs and comments to Rafal Mantiuk <mantiuk@mpi-sb.mpg.de> and Grzegorz Krawczyk
<krawczyk@mpi-sb.mpg.de>.
pfsclamp(1)
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.
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.
Name
pfsclamp - Clamp color and luminance channel values to be within the specified range
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.
See Also
pfsin(1) pfsout(1)
Synopsis
pfsclamp [--min <minimum>] [--max <maximum>] [--percentile] [--zero] [--rgb]
