The five-county parcel dataset shown here weighs in at 730Mb in shapefile format. When converted to vector tiles for rapid web-map display it is reduced to 90Mb.

You’ve heard about vector tiles. You’ve used vector tiles in a variety of online maps, perhaps without even realizing it. But have you created your own vector tile maps? King County GIS specialist Peter Keum works with a variety of open source tools to create powerful vector tile map layers and maps. He’ll show us how.

Peter will also summarize what he learned at this year’s Washington GIS Conference  and at the Mapbox Locate conference, their “first event celebrating and exploring the connectedness of the world around us.” Come hear Peter’s perspective on what’s new in GIS technologies!

When is the next KCGIS User Group meeting? Wednesday, August 1, 11am–noon.
Where is the meeting? King Street Center at 201 South Jackson Street in Seattle, Conference Room 7044-45. From the seventh-floor elevator lobby enter via key card (many King County employees) or receptionist buzz-in. The meeting room is the first door straight ahead on the left.

The KCGIS User Group is a bi-monthly forum that features information sharing among users of the King County Geographic Information System in the form of announcements, technical tips, and in-depth presentations. Users can find out first-hand what is happening across departments and disciplines, and glean timely information that will affect their day-to-day work. The agenda is designed to be of interest to King County GIS staff, however other GIS users are welcome.