This format is used by the DWD for weather radar data.
The obtained results can be processed and visualized with additional functions.
The example program radolan2png is included to quickly convert composite files to png images.
This library was developed for Regenampel.de, but offers even more features for awesome ideas and projects.
Besides local scans, the following grids are currently supported:
- National Grid (900km x 900km)
- National Picture Grid (920km x 920km)
- Extended National Grid (900km x 1100km)
- DE1200 National Grid (1100km x 1200km)
- Middle-European Grid (1400km x 1500km)
Tested input products:
| Product | Grid | Description |
|---|---|---|
| EX | middle-european | reflectivity |
| FX | national | nowcast reflectivity |
| FZ | national | nowcast reflectivity |
| PE | local | echo top |
| PF | local | reflectivity |
| PG | national picture | reflectivity |
| PR | local | doppler radial velocity |
| PX | local | reflectivity |
| PZ | local | 3D reflectivity CAPPI |
| RW | national | hourly accumulated |
| RX | national | reflectivity |
| SF | national | daily accumulated |
| WX | extended national | reflectivity |
| WN | DE1200 Sphere | nowcast reflectivity |
| WN | DE1200 WGS84 | nowcast reflectivity |
Those can be considered working with sufficient accuracy. Other formats might be working (not tested).
Documentation is included in the corresponding source files and also available at https://godoc.org/gitlab.cs.fau.de/since/radolan
mkdir -p ~/go/src ~/go/pkg ~/go/bin
GOPATH="~/go" go get gitlab.cs.fau.de/since/radolan/radolan2png
This image shows radar reflectivity (dBZ) captured 31.07.2016 18:50 CEST
Datenbasis: Deutscher Wetterdienst, Radardaten bildlich wiedergegeben