00:04:05 Oluwafemi Oyedele: Hi Tony!!!
00:04:17 Tony Vota: Hi All
00:04:27 Derek Sollberger: good afternoon
00:16:25 Olivier Leroy: https://github.com/mbloch/mapshaper
00:18:35 Olivier Leroy: New York Times journalist
00:20:52 Olivier Leroy: https://en.wikipedia.org/wiki/Deception_Island an example were the centroid will give you a bad result :P
00:28:11 Olivier Leroy: st_point_on_surface is the function that deal with centroid were point still need to be in the polygon
00:29:01 Olivier Leroy: They are great!
00:29:16 Tony Vota: Reacted to "They are great!" with 👍
00:29:25 Jonathan V. Solórzano Villegas: yup, nice animations!
00:37:38 Olivier Leroy: https://en.wikipedia.org/wiki/Modifiable_areal_unit_problem
00:44:06 Olivier Leroy: Very useful in network: road/broadband infra/river etc
00:55:15 Jim Gruman: thank you Derek. The animations were awesome
00:55:21 Tony Vota: Great presentation. Very clear. Thanks!
01:00:38 Olivier Leroy: https://github.com/r-spatial/sf/blob/7c860ccc5db719f04ed8c29a39595b46f6b3aad1/tests/cast.R
01:01:26 Olivier Leroy: https://github.com/r-spatial/sf/blob/0b3d26f7ac8efd4a969d53c26bbb3d47d97a0829/R/cast_sfg.R
01:04:19 Olivier Leroy: MULTIPOINT = st_multipoint(Tail1(unclass(x))[[1L]]),