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Building a National Topographic System in QGIS
2026-09-03 –, Ran1

A tour of New Zealand's Future Topographic Mapping project, aiming to replace legacy tools with modern open source technology

Toitū Te Whenua - Land Information New Zealand is rebuilding NZ's entire topographic production pipeline from the ground up: national-scale feature editing, data validation, cartographic production, and open data publication, all on open-source tools. This talk dives into the architecture, the wins, the hard lessons, and what it really takes to run a whole country's topographic mapping on FOSS4G.

Level of technical complexity: 1 - beginner Give indication of resources (video, web pages, papers, etc.) to read in advance, that will help get up to speed on advanced topics.:

NA

Indicate what is (are) the open source project(s) essential in your talk:

QGIS, GDAL, GeoPandas

I make my conference contribution available under the CC BY 4.0 license. The conference contribution comprises the abstract, the text contribution for the conference proceedings, the presentation materials as well as the video recording and live transmission of the presentation:
The speaker’s profile picture
Jonathan Ball

Jonathan is leader at Toitū Te Whenua - Land Information New Zealand, focused on simplifying national-scale geospatial data. He has managed the LINZ Data Service and led the development of LINZ Basemaps.