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fix(map): read all relevant selection sources
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2026-07-19 17:54:07 +02:00
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@@ -69,16 +69,27 @@ result. Water explicitly explains that volume cannot be derived without a
reliable depth or bathymetry source. The advanced workbench remains available
but is not required for the primary choose-theme, draw-area, read-result flow.
The primary workflow is deliberately short: choose a municipality or the complete region, choose a data theme, drag a rectangle on the MapLibre map and read the resulting PostGIS evidence. Releasing the drag runs the active theme query and every other available theme query for the same EPSG:4326 bbox. The active `area_id` constrains every drawn/manual selection to `bbox ∩ Area`; `Volledig werkgebied` uses a bbox enclosing the Area and therefore resolves to the exact persisted geometry. The result panel shows selection area, exact intersection totals, active-theme density, source identity and bounded feature properties. Map rendering remains capped at 1,000 features while `total_feature_count` reports the exact database count.
The primary workflow is deliberately short: choose a municipality or the
complete region, choose a data theme, drag a rectangle on the MapLibre map and
read the resulting evidence. Releasing the drag resolves the coverage zone,
reuses every applicable persisted Dataset and bounded-acquires missing
operational products with a concurrency ceiling of three provider requests.
The active `area_id` constrains every drawn/manual selection to `bbox ∩ Area`;
`Volledig werkgebied` uses a bbox enclosing the Area and therefore resolves to
the exact persisted geometry. The result panel shows only themes that are
applicable and operational for the resolved zone. It reports a real provider
failure as `Inladen mislukt`; it never turns an unsupported regional theme into
`Bron ontbreekt`. Map rendering remains capped at 1,000 features while
`total_feature_count` reports the exact database count.
In the Flanders workbench, ruimtebeslag, open ruimte, population density,
node value and service level may appear as `Op aanvraag`. Drawing a rectangle
or choosing a municipality uses the existing backend Job/Dataset flow to
acquire and persist those five official rasters for the exact selection, then
shows all available semantic metrics together. Identical requests reuse the
persisted artifact. The complete Flanders Area is deliberately unavailable for
these rasters because it exceeds the backend safety ceiling; this does not
limit vector or partitioned bathymetry analysis of the complete region.
In Flanders, a bounded selection can combine current NGI administration and
Statbel population with GRB buildings/roads/water/parcels, the governed
thematic rasters, DHMV terrain, VMM flood hazard, BWK/Natura 2000, DOV soil and
VHA historical profile points. Every acquisition still uses the existing
backend Job/Dataset flow and identical requests reuse the persisted artifact.
The complete Flanders Area is deliberately unavailable for monolithic
on-demand rasters because it exceeds the backend safety ceiling; this does not
limit ordinary rectangle analysis or audited regional partitions.
Detection Lab only lists ready imagery rasters. Governed height, flood-hazard
and thematic policy rasters remain available in the map explorer but are