NAME

exrmakepreview - generate exr preview thumbnail images

SYNOPSIS

exrmakepreview [options] infile outfile

DESCRIPTION

Read an OpenEXR image from infile, generate a preview image, add it to the image's header, and save the result in outfile. Infile and outfile must not refer to the same file (the program cannot edit an image file "in place").

OPTIONS

-w x

sets the width of the preview image to x pixels (default is 100)

-e s

adjusts the preview image's exposure by s f-stops (default is 0). Positive values make the image brighter, negative values make it darker.

-v

verbose mode

-h, --help

print this message

--version print version information

REPORTING BUGS

Report bugs via https://github.com/AcademySoftwareFoundation/openexr/issues or email security@openexr.com

COPYRIGHT

Copyright © Contributors to the OpenEXR Project License BSD-3-Clause