what's the frequency of the letter "e" in:
the image appears to be moving even though it is perfectly static.
provide a link to show the output, either by running the code online or a screenshot uploaded to a suitable image host.
line color tables taken from the wren example. see the output on imgur.
w, b = colorant"white", colorant"darkgray"
a translation using gtk via the gintro bindings for nim, so the code is quite different. we chose also different sizes for the window and the grid, and colors closer to those of the codepen demo.
see window screenshot here.
## draw the pattern in the area.
## callback to draw/redraw the drawing area contents.
## activate the application.
# connect the "draw" event to the callback to draw the pattern.
window.title = "peripheral drift illusion"
retrieved from "http://rosettacode.org/mw/index.php?title=peripheral_drift_illusion&oldid=343893"
user
I found 85 "e"s in the provided passage.
assistant