OPENSLIDE-WRITE-PNG(1)           User Commands          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 (C) 2007-2023 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)

OpenSlide 4.0.0                   2023-06-30            OPENSLIDE-WRITE-PNG(1)