Data Conference Databasea Query.Farm index
Speakers

Ryan Gillespie

Events1
Conferences1
Talks1
Years active2026

The year around now

Talks in the past 12 months and announced talks ahead, one row per conference, January to December. Hover a mark for the talk.

JanFebMarAprMayJunJulAugSepOctNovDecFOSS4G North AmericaFOSS4G North America
Held in the past 12 months Next 12 months Today, Nov 10, 2026

Appearances by year

201920202021202220232024202520262027
  • FOSS4G North America

Talks

DateEventConferenceRoleTitleLinks
Nov 2, 2026FOSS4G North America 2026FOSS4G North AmericaspeakerTerrain analysis of large datasets: applications from the National Map
Tiled processing of large rasters produces altered results near tile edges for some algorithms. In our elevation-derived hydrography data validation tools, we…Show less

Tiled processing of large rasters produces altered results near tile edges for some algorithms. In our elevation-derived hydrography data validation tools, we used watershed-based tiles for flow accumulations and feature windows for zonal statistics to minimize edge effects.

Frequent co-speakers

No one else spoke at two or more of the same events.

Speakers with the same name are merged into one entry, so this page may combine more than one person. Affiliations are shown as each conference listed them.