七転八倒の末、やっと真似ができるようになった。
@eijwatpic.twitter.com/t4jlCZ5hTI
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
たしかに。輝度情報で拡大、縮小がかわります。ただ、ぼくの知覚での錯視量は色有りのほうがかなり大きいです。
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.