PostGIS Introduction presented by Paul Ramsey at STL PostGIS Day 2019

[@franklineberger2492]

I really enjoy reading his humorous blog and watching the informative presentations. Paul has given me many ideas about how to approach various spatial problems. His insights and hard work are much appreciated!

[@joelrodriguez1232]

14:20 How to create a postgis extension. 16:20: ST_Dwithin() function in context. 16:50 ST_length() function. 36:00 st_intersects(A,B) st_contains(A,B) st_touches(A,B) st_overlaps(A,B) st_covers(A,B) st_crosses(A,B)

[@mohamedasma8949]

sorry but what is st and i have a little quetion . i have data in post gis / file.shp / how to have this data from the postgis and plot it

[@srichnz]

What a fantastic presentation. Keep up the great work Paul.

[@nicksonyap]

Great presentation! Never know PostGIS is so powerful

Woa. What a ride. Thanks for this presentation. I am sold. We need to use geo spacial features for our new startup. Did i already thank you? Yes? Then thank you again :-)

[@mpumi1024]

What a presentation!!!

[@treeofknowledge301]

PostGIS is the best spatial database

[@mohamedasma8949]

how to use it

[@dj_junta]

Great presentation :)

[@faustin289]

I've been using PostGIS for the last 4years and I hadn't stopped and asked what this "ST_" thingy means.

[@matthewmeadows2456]

Great presentation

[@jimivie]

Good grief this guy invented POSTGIS and this video on ly has 55 likes.

[@jean-philippeaudoin1315]

Really great prez