Schwarzwaldsicht regional terrain pack — 2026-09-23

LGL Baden-Württemberg
Datenquelle: LGL, www.lgl-bw.de, dl-de/by-2-0
Dataset: DGM1 and DOM1, https://opengeodata.lgl-bw.de/
License: https://www.govdata.de/dl-de/by-2-0
Original 1 m tiles, 6 x 6 km, EPSG:25832, heights DHHN2016, survey 2021.
Changes: cropped near Ibach; horizontal reprojection to WGS84 geographic coordinates;
bilinear ground raster / maximum surface raster at 0.00005 degree spacing;
quantized to decimetres, little-endian Int16, gzip. Missing cells remain nodata.
Original source archives and SHA-256: sources.json. Output metadata: manifest.json.
No claim of centimetre precision after resampling. Surface objects may have changed.

Sonny's LiDAR Digital Terrain Models of Europe
Author: Sonny, https://sonny.4lima.de/
Switzerland 0.5 arcsecond v2 (2021), CC BY 4.0
License: https://creativecommons.org/licenses/by/4.0/
Source credit: © swisstopo, swissALTI3D (regular Open Government Data, not sample data).
https://www.swisstopo.admin.ch/en/height-model-swissalti3d
https://www.swisstopo.admin.ch/de/nutzungsbedingungen-kostenlose-geodaten-und-geodienste
Full source README retained in sonny-switzerland-readme.txt, including its
references for the surrounding mosaic. Germany source README is included for context;
no separate Germany HGT archives are included in this pack.
Changes: four HGT tiles N46E007, N46E008, N47E007, N47E008;
node sampling from 0.5 to 1 arcsecond; split into 0.25-degree overlapping tiles;
byte-order conversion and gzip. Native vertical source references retained.
LN02 and DHHN2016 were NOT declared identical or transformed by a guessed constant.
This pack is not a complete Swiss or Alpine dataset; east of 9 E uses fallback data.

Fallback terrain (../terrain-fallback)
Mapzen / Tilezen Terrain Tiles, original Terrarium zoom-12 PNG bytes.
https://registry.opendata.aws/terrain-tiles/
https://github.com/tilezen/joerd/blob/master/docs/attribution.md
Europe terrain data produced using Copernicus data and information funded by
the European Union — EU-DEM layers. SRTM terrain data courtesy of the U.S.
Geological Survey. Source URLs and output hashes: ../terrain-fallback/manifest.json.

Peak catalogue (../peaks.json): © OpenStreetMap contributors, ODbL.
https://www.openstreetmap.org/copyright