Draw scalebar on image.
Ruby 2.5, 2.6, or 2.7.
Put scalebar on image. Create a LaTeX file that includes scale bar or scale grids with indexes.
Install this package as:
$ gem source -a http://dream.misasa.okayama-u.ac.jp/rubygems/
$ gem install scalebar
Commands are summarized as:
| command | description | note |
|---|---|---|
| image-scalebar | Put scalebar on image |
See online document:
$ image-scalebar --help