Gisaf

Gisaf is a web based GIS (Geographical Information System) initially developed for the CSR Goematics unit in Auroville, India.

Features

• Layers defined with Python plugins or ANSI-standard categories
• Support of different geographical projections
• Integrated administration interface
• Export of data from standard formats (Geopackage, Shapefile)
• Import and update of data managed in a well defined workflow with "baskets"
• Role-based access to data
• Support temporal and other data for different features
• Detailed information for all features
• Tagging of features
• Customizable, user triggered actions
• Background map
• Customizable base maps (domain specific set of layers)
• Plugin architecture: add functions with Python packages

Software stack

• Python: the Swiss Army knife language
• Pydantic: the power of typing
• FastAPI: web wizzard
• SQLModel: SQL (ORM)
• Postgis: geographical extension for the PostGresql database
• Pandas and Geopandas: the data jugglers

Installation / deployment

See the documentation in the deployment directory.