Lars Opsahl
Appearances by year
- FOSS4G
Talks
| Date | Event | Conference | Role | Title | Links |
|---|---|---|---|---|---|
| Jun 26, 2023 | FOSS4G 2023 | FOSS4G | speaker | More correct maps/data with Postgis Topology rather then Simple Feature ?In Norway we now get more up-to-date maps for land resource map (AR5), because the domain experts on agriculture in the municipalities in Norway have got access…Show lessIn Norway we now get more up-to-date maps for land resource map (AR5), because the domain experts on agriculture in the municipalities in Norway have got access to a easy to use client. This system includes a simple web browser client and a database built on Postgis Topology. | |
| Jun 26, 2023 | FOSS4G 2023 | FOSS4G | workshop | Use Postgis Topology simplify/secure work with spatial data.We will take look at this elements Clean up Simple Feature datasets by using Postgis Topology Use declarative methods to set up a client to edit Postgis…Show lessWe will take look at this elements Clean up Simple Feature datasets by using Postgis Topology Use declarative methods to set up a client to edit Postgis Topology data How do use QGIS to view Postgis Topology data Copy a Postgis Topology from one database to another. | |
| Aug 22, 2022 | FOSS4G 2022 | FOSS4G | speaker | Data integrity risks when using simple feature When you care about data integrity of spatial data you need to know about the limitations/weaknesses of using simple feature datatype in your database. | |
| Aug 22, 2022 | FOSS4G 2022 | FOSS4G | speaker | Postgis Topology to secure data integrity, simple API and clean up messy simple feature datasets.In Postgis Topology a merge of two surfaces does not involve spatial operations, since the surface to border relation has foreign key structures in the…Show lessIn Postgis Topology a merge of two surfaces does not involve spatial operations, since the surface to border relation has foreign key structures in the database. This means that the border of the new object is spatially not touched/changed when two surfaces are merged. |
Frequent co-speakers
| Speaker | Shared events | Shared talks | Last together |
|---|---|---|---|
| Alessio Fabiani | 2 | — | 2023 |
| Alex Orenstein | 2 | — | 2023 |
| Anca Anghelea | 2 | — | 2023 |
| Andrea Aime | 2 | — | 2023 |
| Andrea Antonello | 2 | — | 2023 |
| Angelos Tzotsos | 2 | — | 2023 |
| Anna Petrasova | 2 | — | 2023 |
| Antonio Cerciello | 2 | — | 2023 |
| Ariel Anthieni | 2 | — | 2023 |
| Astrid Emde | 2 | — | 2023 |
| Ben Kuster | 2 | — | 2023 |
| Benjamin Webb | 2 | — | 2023 |
| Brandon Liu | 2 | — | 2023 |
| Christopher Beddow | 2 | — | 2023 |
| Craig Taverner | 2 | — | 2023 |
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.