# The Digital Supply Atlas (DVA - Digitaler Versorgungsatlas)
# What is the DVA?
The Digital Supply Atlas, or DVA for short, is a web application for viewing supply infrastructures of public services in the Federal Republic of Germany and for modeling, analyzing, and evaluating supply situations.
The DVA is also a method service that enables the calculation of individual gravity-based supply analyses, accessibility matrices, and isochrones within Germany using an ArcGIS Toolbox.
# For Users
Key aspects of the documentation for users include:
- DVA Web Application - All information on using web analyses from a professional user perspective:
- Decision Support - A tool for multi-criteria analyses in public services
- Spatial Access - A planning instrument to realistically evaluate access and capacity of infrastructures
- Statistics - Map tools and diagrams that interact with the map for easier interpretation of results
- Scenarios and Simulations - Move, remove, or establish infrastructures and observe their impact
- DVA ArcGIS Toolbox - All information on using ArcGIS from the perspective of GIS-experienced users
- Methods - Background knowledge on methods and calculations
# For Developers
Key aspects for developers can be found under DVA Code.