DDT 48 — QUEZAC RAIN is a CNIG data standard for dematerializing French local planning documents. It provides a technical framework for storing spatial data from communal maps and land use plans in an interoperable GIS database. The standard was developed based on 2012 CNIG specifications and the consolidated urban planning code from March 16, 2012.
Use Cases
- Creating standardized spatial databases for local planning documents based on the described technical framework.
- Implementing GIS tools for town planning using the dematerialized data structure.
- Ensuring interoperability between different planning document datasets as per the CNIG standard.
Strengths
- Based on official CNIG specifications created in 2012.
- Provides a structured framework for both graphical plans and overlay information.
- Designed for interoperability with GIS tools.
Limitations
- Last updated 2022-01-12 00:00:00; freshness should be verified.
- Description metadata is limited; actual data quality requires manual inspection after download.
- Column-level documentation is absent; field semantics must be inferred after download.
Provenance
- Source
- BUREAU DE RECHERCHES GÉOLOGIQUES ET MINIÈRES
- Collection Method
- Developed as a CNIG data standard based on 2012 specifications.
- Freshness
- Last updated 2022-01-12 00:00:00
- Geography
- France