iconvert - Online in the Cloud

PROGRAM:

NAME

iconvert - copy images with format conversions and other alterations

SYNOPSIS

iconvert [options] inputfile outputfile
iconvert [options] --inplace files...

DESCRIPTION

The iconvert program will read an image (from any file format for which an ImageInput
plugin can be found) and then write the image to a new file (in any format for which an
ImageOutput plugin can be found). In the process, iconvert can optionally change the file
format or data format (for example, converting floating-point data to 8-bit integers),
apply gamma correction, switch between tiled and scanline orientation, or alter or add
certain metadata to the image.

The iconvert utility is invoked as follows:

iconvert [options] input output

Where input and output name the input image and desired output filename. The image files
may be of any format recognized by OpenImageIO (i.e., for which ImageInput plugins are
available). The file format of the output image will be inferred from the file extension
of the output filename (e.g., "foo.tif" will write a TIFF file).

Alternately, any number of files may be specified as follows:

iconvert [options] --inplace file1 file2...

When the --inplace option is used, any number of file names >= 1 may be specified, and the
image conversion commands are applied to each file in turn, with the output being saved
under the original file name. This is useful for applying the same conversion to many
files, or simply if you want to replace the input with the output rather than create a new
file with a different name.

For a complete description, see /usr/share/doc/openimageio-doc/openimageio.pdf.gz.

OPTIONS

--help Print help message

-v Verbose status messages

--threads %d
Number of threads (default 0 = #cores)

-d %s Set the output data format to one of:
uint8, sint8, uint10, uint12, uint16, sint16, half, float, double

-g %f Set gamma correction (default = 1)

--tile %d %d
Output as a tiled image

--scanline
Output as a scanline image

--compression %s
Set the compression method (default = same as input)

--quality %d
Set the compression quality, 1-100

--no-copy-image
Do not use ImageOutput copy_image functionality (dbg)

--adjust-time
Adjust file times to match DateTime metadata

--caption %s
Set caption (ImageDescription)

--keyword %s
Add a keyword

--clear-keywords
Clear keywords

--attrib %s %s
Set a string attribute (name, value)

--orientation %d
Set the orientation

--rotcw
Rotate 90 deg clockwise

--rotccw
Rotate 90 deg counter-clockwise

--rot180
Rotate 180 deg

--inplace
Do operations in place on images

--sRGB This file is in sRGB color space

--separate
Force planarconfig separate

--contig
Force planarconfig contig

--no-clobber
Do no overwrite existing files

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