Iván Sánchez Ortega

Iván has been a web developer and FLOSS advocate since the early 2000s; then he bought a GPS receiver and got involved in OpenStreetMap and OSGeo. He’s worked with nautical charts, indoor positioning, USB microcontrollers, LibreOffice, multispectral rasters, all of it with unhealthy amounts of Javascript.

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Sessions

09-30
14:30
30min
Techniques for representing untiled GIS data in WebGL structures
Iván Sánchez Ortega

WebGL allows for fast graphics rendering on most web browsers, but also inherits undesired traits from from its videogame legacy. One of these traits is low numerical precision on integer and floating point operations.
Tiling datasets has allowed tiles (both raster and vector) to dominate web applications since tiles can easily overcome these problems. This talk will explore the opposite: possible ways to overcome numerical precision challenges in untiled datasets, as well as the dreaded antimeridian artefacts in coordinate systems which wrap around the globe.

Software
Humahuaca
10-01
13:30
30min
Theoretical peer-to-peer map tiles
Iván Sánchez Ortega

An exploration on how a seemingly obscure web standard (WebRTC) can be exploited to provide P2P transmission of rendered map tiles.

Software
Buenos Aires
09-29
14:00
60min
Live coding: Leaflet web maps
Iván Sánchez Ortega

A live coding session on Leaflet web maps, with some of its plugins. Just a showcase of common and not-so-common things that can be done on a web map.

Live Coding
Bariloche
09-29
16:00
60min
Live coding: WebGL shaders, rasters and symbols
Iván Sánchez Ortega

A live coding session on WebGL graphics manipulation: abstract shaders, pixel manipulation on multisample rasters, and "classic" GIS map symbols.

Live Coding
Bariloche
10-01
16:20
45min
Fireside chat
Iván Sánchez Ortega

A cozy chat about family, freedom and why we do free/libre/open source software.

Community / OSGeo
Malena Libman