JasPer 4.2.4
 
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The imginfo Program

The imginfo Program

Synopsis

imginfo [options]

Description

The imginfo command displays information about an image. This command is really only intended to be used from shell scripts for testing purposes.

Options

The following options are supported:

  • --help
    • Print help information and exit.
  • --version
    • Display the version information and exit.
  • --verbose
    • Increase the verbosity level.
  • -f $file
    • Specify that the image should be read from the file named $file. If this option is not specified, the image is read from standard input.
  • --list-enabled-formats
    • Print the names of all of the enabled image formats to standard output.
  • --memory-limit $n
    • Set the memory limit to $n bytes.
  • --debug-level $level
    • Set the debug level to $level.
  • --max-samples $n
    • Set the maximum number of samples for decoding to $n.
  • --decoder-option $string
    • Add the option $string to the list of decoder options.

Examples

To obtain information on how to use the imginfo program, use the command:

imginfo --help

Suppose that we would like to print information about an image stored in the file name image.jp2. This could be accomplished by using the command:

imginfo < image.jp2

Alternatively, the following command could be used:

imginfo -f image.jp2