OPENSLIDE-WRITE-PNG(1)

NAME
openslide-write-png - Write a region of a virtual slide to a PNG

SYNOPSIS
openslide-write-png [--help] [--version] slide-file x y level width height output-file

DESCRIPTION
Write a region of the specified level of a virtual slide to a PNG image. x and y are pixel coordinates in level 0, the highest-resolution slide level. width and height are pixel dimensions in the specified level. The dimensions of each level of a slide can be obtained with openslide-show-properties(1).

OPTIONS

--help
    Display usage summary.

--version
    Display version and copyright information.

EXIT STATUS
openslide-write-png returns 0 on success, 1 if an error occurred, or 2 if the arguments are invalid.

NOTES
openslide-write-png is a legacy command and no new features will be added. Its replacement is the region read subcommand of slidetool(1).

COPYRIGHT
Copyright © 2007-2026 Carnegie Mellon University and others

OpenSlide is free software: you can redistribute it and/or modify it under the terms of the

OpenSlide comes with NO WARRANTY, to the extent permitted by law. See the GNU Lesser General Public License for more details.

SEE ALSO
openslide-show-properties(1), slidetool(1)