Add governed DHMV terrain analysis

2026-07-15 18:13:05 +02:00
parent 0e36d750c0
commit 5d8b46ed60
36 changed files with 1936 additions and 44 deletions
@@ -109,6 +109,15 @@ product/layer, request/spatial hash, temporal validity and limitations are held
 in source/provenance metadata. Browser PNG rendering is derived on request and
 does not replace the stored GeoTIFF.

+DHMV II DTM/DSM outputs are also normal raster Dataset files. The provider WCS
+returns multipart coverage data; GeoIntel retains response and extracted
+coverage SHA256 values in provenance, then stores one normalized, compressed,
+Area-clipped GeoTIFF with its ordinary Dataset/DatasetVersion checksum. Source
+metadata records the 1 m native product, 5 m default analysis grid, EPSG:31370,
+`-9999` nodata, TAW and acquisition period 2013-2015. Colour-relief PNGs are
+derived browser views and are never authoritative. No raster binary is stored
+in PostgreSQL and no DHMV file is treated as water depth or volume.
+
 BWK/Natura 2000 evidence lives under
 `storage/operator-evidence/bwk-natura2000-2025/mol/`. The `raw/` directory
 contains immutable WFS pages; the adjacent manifest records their URLs,