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QGIS Anwendergruppe Schweiz - Groupe d'utilisateurs QGIS Suisse - Swiss QGIS User Group
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QGIS-CH Mini Workshop Relations with Interlis and QGIS

In the workshop we will learn how to model different types of relations in Interlis and then implement them using ili2pg, Postgis and QGIS ModelBaker. Approximately halfway through the online workshop, a break is planned. It is recommended to follow the workshop with 2 monitors. Then one monitor can be used to follow the video conference and the other monitor can be used to follow the examples in your own system (exercises).
When Oct 19, 2021
from 09:00 AM to 12:00 PM
Where Online (Google Meet)
Contact Name Andreas Neumann
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Using simple models we will learn how to model classes (also with inheritance) and relations (relationships). The relation strengths (association and composition) will be covered and how they are implemented by ili2pg / QGIS ModelBaker.

For the implementation of data storage in relational databases, ili2pg knows 2 different modes for mapping inheritance:

  •     smart1Inheritance
  •     smart2Inheritance

The workshop will show the differences between the two approaches as well as their advantages and disadvantages. Other relevant il2pg parameters will be covered.

After creating a simple model and importing it into the Postgis database, it will be shown how to implement relations in QGIS forms, and what configuration options (e.g. buttons to link/unlink, create/delete, zoom in, etc.) are available in the user interface.

This is not an Interlis course. Basic knowledge of modeling Interlis is assumed.

Please install the following software prior to the workshop:

Link Online-Workshop (Google Meet)

Github-Repository zum Workshop

Workshop instructors: David Signer (OPENGIS.ch) and Andreas Neumann (Canton Solothurn)

Workshop language: English. Questions can be asked in German or French.

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