[jessevdk]

To be pedantically correct, CityEngine was a product of Procedural (spin off from ETH) which got acquired by ESRI later.

[twak]

It's always slightly surreal to see your employer on the front page of hn, even more so when you find you find your colleague making the second comment.

[grkvlt]

Without descending into self-congratulatory back-slapping, it's also pretty cool to submit something to HN about an interesting concept you've just discovered and then have people who work and publish in that area respond ;)

I'm reading your papers too, now. Thanks for the links.