A Bash script to take regular screenshots of the Ingress Intel map for creating timelapses of operations.

timelapse.sh

#!/usr/bin/env bash

while [ 1 ]; do
	# The --password-store=basic is there to avoid the KDE Wallet access
	# request dialog on start-up.
	google-chrome --password-store=basic --app=http://www.ingress.com/intel?ll=-33.781201,150.619812\&z=10 &
	# Get the process ID, so we can kill it later
	chrome_pid=$!
	sleep 3
	# Get the X window ID of the process we just started so we can resize it.
	# Assumes you're not running any other apps with "chrome" in their name.
	chrome_wid=`wmctrl -lpx | grep chrome | cut -c 1-10`
	# Make sure the window isn't maximised, so resizing is allowed.
	wmctrl -i -r $chrome_wid -b remove,maximized_vert,maximized_horz
	# Make the window "always in top".
	wmctrl -i -r $chrome_wid -b add,above
	# Resize the window, making it large enough to crop out the comms at the
	# bottom.
	wmctrl -i -r $chrome_wid -e 1,0,0,2400,2100
	# Wait for the intel map to load.
	sleep 40
	# Take a screenshot of the entire desktop, use ImageMagick to convert to
	# PNG, and save in a "zoomed-in" subdirectory, using the current datetime
	# as the filename.
	xwd -root | convert - zoomed-in/$(date +%Y-%m-%d-%H.%M.%S).png
	# Shut down Chrome.
	kill "$chrome_pid"
	sleep 2
	
	# Do it all again at a different zoom level.
	google-chrome --password-store=basic --app=http://www.ingress.com/intel?ll=-33.446109,149.898834\&z=8 &
	chrome_pid=$!
	sleep 3
	chrome_wid=`wmctrl -lpx | grep chrome | cut -c 1-10`
	wmctrl -i -r $chrome_wid -b remove,maximized_vert,maximized_horz
	wmctrl -i -r $chrome_wid -b add,above
	wmctrl -i -r $chrome_wid -e 1,0,0,2400,2100
	sleep 40
	xwd -root | convert - zoomed-out/$(date +%Y-%m-%d-%H.%M.%S).png
	kill "$chrome_pid"
	sleep 2
	
	google-chrome --password-store=basic --app=http://www.ingress.com/intel?ll=-29.326874,134.250183\&z=6 &
	chrome_pid=$!
	sleep 3
	chrome_wid=`wmctrl -lpx | grep chrome | cut -c 1-10`
	wmctrl -i -r $chrome_wid -b remove,maximized_vert,maximized_horz
	wmctrl -i -r $chrome_wid -b add,above
	wmctrl -i -r $chrome_wid -e 1,0,0,2400,2100
	sleep 40
	xwd -root | convert - zoomed-far-out/$(date +%Y-%m-%d-%H.%M.%S).png
	kill "$chrome_pid"
	sleep 2
done