# SWZPLN / OpenCityPlans

> Free site plan (Schwarzplan) and 3D city model generator for architects, urban planners, and designers.

SWZPLN generates professional site plans and 3D city models from OpenStreetMap data for any location worldwide.

## 2D Exports
- DXF (for AutoCAD and CAD software)
- SVG (vector graphics)
- PDF (print-ready documents)

## 3D Exports
- IFC (BIM format, compatible with Revit, ArchiCAD, and other BIM software)
- 3D DXF (3D geometry for CAD software)

## Features
- Building footprints with height and level data
- 3D extruded buildings with roof shapes
- Terrain elevation and contour lines
- Road networks, green spaces, water bodies
- Layered output (buildings, roads, water, green, forest, farmland, railways, contours)
- Multiple scales for architectural drawings

## Data Sources
- OpenStreetMap for building and geographic data
- Open Topo Data with Mapzen for elevation data
- CARTO for preview map tiles

## Links
- German site: https://swzpln.de
- English site: https://opencityplans.com
- Source code: https://github.com/timethy96/swzpln.de
- Legal: https://swzpln.de/impressum

## License
- Website: AGPL-3
- Generated plans: CC0 (public domain)