feat: complete governed Walloon coverage sources

frontend/src/components/map/MapWorkspace.tsx

@@ -9,7 +9,7 @@ import { getDatasetDisplayName, getDatasetSourceDisplayName } from '../../lib/da
 import { TemporalTrendChart } from './TemporalTrendChart'
 import { terrainImageUrl } from '../../lib/terrainImage'
 import { floodHazardImageUrl } from '../../lib/floodHazardImage'
-import { thematicRasterImageUrl } from '../../lib/thematicRaster'
+import { thematicRasterImageUrl, walousRasterImageUrl } from '../../lib/thematicRaster'
 import { bathymetryRasterImageUrl } from '../../lib/bathymetryRaster'
 import { FLANDERS_WORKSPACE_PROJECT_NAME } from '../../config/primaryFocus'
 import {
@@ -59,6 +59,7 @@ const EMPTY_TEMPORAL_SERIES: DatasetCreateResponse[] = []
 type DataThemeId =
   | 'administrative'
   | 'buildings'
+  | 'land_cover'
   | 'space_occupation'
   | 'open_space'
   | 'population'
@@ -110,7 +111,7 @@ function productSupportsSelection(product: OnDemandMapProduct, bbox: VectorSelec
   if (product.kind === 'dhmv' || product.kind === 'flood_hazard') {
     return dimensions.areaSquareMetres <= 280_000_000
   }
-  if (product.kind === 'thematic_raster') {
+  if (product.kind === 'thematic_raster' || product.kind === 'walous') {
     return dimensions.widthMetres <= 50_000
       && dimensions.heightMetres <= 50_000
       && dimensions.areaSquareMetres <= 2_800_000_000
@@ -133,6 +134,13 @@ const DATA_THEMES: DataTheme[] = [
     description: 'Gebouwen en gebouwcontouren uit GRB of een andere persistente bron.',
     tokens: ['buildings', 'building', 'gebouwen', 'gebouw', 'bebouwing', 'gbg'],
   },
+  {
+    id: 'land_cover',
+    label: 'Landbedekking',
+    shortLabel: 'Landbedekking',
+    description: 'Fysieke en biologische bodembedekking uit een officieel regionaal classificatieraster.',
+    tokens: ['land_cover', 'land_cover_use', 'landbedekking', 'walous', 'occupation du sol'],
+  },
   {
     id: 'space_occupation',
     label: 'Ruimtebeslag',
@@ -257,6 +265,7 @@ const DATA_THEMES: DataTheme[] = [
 const COVERAGE_THEME_BY_MAP_THEME: Record<DataThemeId, string> = {
   administrative: 'admin',
   buildings: 'buildings',
+  land_cover: 'land_cover_use',
   space_occupation: 'land_cover_use',
   open_space: 'land_cover_use',
   population: 'population',
@@ -303,6 +312,7 @@ function coverageZoneLabel(zone: string): string {
 const DATA_THEME_MAP_STYLES: Record<DataThemeId, { fill: string; line: string }> = {
   administrative: { fill: '#5f6f7f', line: '#344554' },
   buildings: { fill: '#d45f3d', line: '#9f3e24' },
+  land_cover: { fill: '#4f7b4f', line: '#315c39' },
   space_occupation: { fill: '#be3e33', line: '#8f2c24' },
   open_space: { fill: '#267a46', line: '#175c32' },
   population: { fill: '#7559a6', line: '#5b3f88' },
@@ -358,6 +368,12 @@ function datasetAvailabilityLabel(
     const resolutionLabel = Number.isFinite(resolution) ? `${resolution.toLocaleString('nl-BE')} m` : 'Raster'
     return `${resolutionLabel} officiële bron${Number.isFinite(year) ? ` · ${year}` : ''}`
   }
+  if (dataset.dataset_type === 'raster' && dataset.source_name === 'spw_walous_land_cover') {
+    const resolution = Number(dataset.source_metadata?.['analysis_resolution_m'])
+    const year = Number(dataset.source_metadata?.['observation_year'])
+    const resolutionLabel = Number.isFinite(resolution) ? `${resolution.toLocaleString('nl-BE')} m` : 'Raster'
+    return `${resolutionLabel} WALOUS-landbedekking${Number.isFinite(year) ? ` · ${year}` : ''}`
+  }
   if (dataset.source_name === 'ngi_adminvector') {
     return `${(dataset.feature_count ?? dataset.vector_summary?.feature_count ?? 0).toLocaleString('nl-BE')} officiële bestuursgebieden`
   }
@@ -406,6 +422,9 @@ function datasetMatchesTheme(dataset: DatasetCreateResponse, theme: DataTheme):
   if (dataset.source_name === 'department_omgeving_thematic_raster') {
     return dataset.source_metadata?.['theme'] === theme.id
   }
+  if (dataset.source_name === 'spw_walous_land_cover') {
+    return theme.id === 'land_cover'
+  }
   if (dataset.source_name === 'dov_soil_map') {
     return theme.id === 'soil'
   }
@@ -522,6 +541,7 @@ function pickThemeDataset(
       (dataset.source_name === 'inbo_bwk_natura2000' ? 95_000 : 0) +
       (dataset.source_name === 'agentschap_landbouw_zeevisserij_agricultural_parcels' ? 98_000 : 0) +
       (dataset.source_name === 'department_omgeving_thematic_raster' ? 5_000_000 : 0) +
+      (dataset.source_name === 'spw_walous_land_cover' ? 5_000_000 : 0) +
       (dataset.source_name === 'digitaal_vlaanderen_buildings_addresses_register' ? 5_000_000 : 0) +
       (dataset.source_name === 'digitaal_vlaanderen_dhmv' ? 5_000_000 : 0) +
       (dataset.source_name === 'vmm_flood_hazard' ? 5_000_000 : 0) +
@@ -636,6 +656,10 @@ function formatDatasetObservation(dataset: DatasetCreateResponse): string {
       return `referentiejaar ${observationYear}`
     }
   }
+  if (dataset.source_name === 'spw_walous_land_cover') {
+    const observationYear = Number(dataset.source_metadata?.['observation_year'])
+    return Number.isFinite(observationYear) ? `WALOUS referentiejaar ${observationYear}` : 'WALOUS landbedekking'
+  }
   const period = dataset.source_metadata?.['acquisition_period']
   if (typeof period === 'string' && period.trim()) {
     return `opnameperiode ${period}`
@@ -1085,6 +1109,29 @@ export function MapWorkspace({
         })
       }
     }
+    const latestWalous = officialMapProducts.walous
+      .filter((product) => product.configured && productCoversZones(product.coverage_zones, effectiveZones))
+      .sort((left, right) => right.observation_year - left.observation_year)[0]
+    if (latestWalous) {
+      result.push({
+        kind: 'walous',
+        productKey: latestWalous.key,
+        historyProductKeys: officialMapProducts.walous
+          .filter(
+            (product) =>
+              product.configured
+              && product.key !== latestWalous.key
+              && productCoversZones(product.coverage_zones, effectiveZones),
+          )
+          .map((product) => product.key),
+        displayName: latestWalous.display_name,
+        theme: 'land_cover',
+        availabilityLabel: `${latestWalous.analysis_resolution_m ?? latestWalous.native_resolution_m} m analyse · ${latestWalous.observation_year} · automatisch bij selectie`,
+        attribution: latestWalous.attribution,
+        limitationMessage: latestWalous.limitation_message,
+        coverageZones: latestWalous.coverage_zones,
+      })
+    }
     for (const product of officialMapProducts.officialVector.filter((item) =>
       productCoversZones(item.coverage_zones, effectiveZones),
     )) {
@@ -1319,6 +1366,20 @@ export function MapWorkspace({
       : [],
     [activeThemeDataset, selectedProjectId, thematicRasterBounds],
   )
+  const walousRasterBounds = activeThemeDataset?.source_name === 'spw_walous_land_cover'
+    ? activeThemeDataset.source_metadata?.['bbox_epsg4326']
+    : null
+  const walousRasterImageOverlays = useMemo(
+    () => activeThemeDataset?.source_name === 'spw_walous_land_cover' && selectedProjectId && Array.isArray(walousRasterBounds) && walousRasterBounds.length === 4
+      ? [{
+          url: walousRasterImageUrl(selectedProjectId, activeThemeDataset.id),
+          bbox: walousRasterBounds.map(Number) as [number, number, number, number],
+          label: getDatasetDisplayName(activeThemeDataset),
+          opacity: 0.82,
+        }]
+      : [],
+    [activeThemeDataset, selectedProjectId, walousRasterBounds],
+  )
   const bathymetryRasterBounds = activeThemeDataset?.source_name === 'spw_bathymetry'
     ? activeThemeDataset.source_metadata?.['bbox_epsg4326']
     : null
@@ -1338,6 +1399,8 @@ export function MapWorkspace({
   const activeImageOverlays = useMemo(
     () => bathymetryRasterImageOverlays.length > 0
       ? bathymetryRasterImageOverlays
+      : walousRasterImageOverlays.length > 0
+        ? walousRasterImageOverlays
       : thematicRasterImageOverlays.length > 0
         ? thematicRasterImageOverlays
         : floodHazardImageOverlays.length > 0
@@ -1345,7 +1408,7 @@ export function MapWorkspace({
         : terrainImageOverlays.length > 0
           ? terrainImageOverlays
           : orthophotoImageOverlay ? [orthophotoImageOverlay] : [],
-    [bathymetryRasterImageOverlays, floodHazardImageOverlays, orthophotoImageOverlay, terrainImageOverlays, thematicRasterImageOverlays],
+    [bathymetryRasterImageOverlays, floodHazardImageOverlays, orthophotoImageOverlay, terrainImageOverlays, thematicRasterImageOverlays, walousRasterImageOverlays],
   )
   const municipalityAreaCount = areas.filter((area) => /^Gemeente\s/i.test(area.name)).length
   const themeTemporalSeriesMap = useMemo(
@@ -1908,6 +1971,7 @@ export function MapWorkspace({
               kind: onDemandProduct.kind,
               productKey: onDemandProduct.productKey,
               displayName: onDemandProduct.displayName,
+              historyProductKeys: onDemandProduct.historyProductKeys,
             },
             acquisitionBboxes: onDemandProduct.acquisitionBboxes,
             featureLimit: resultFeatureLimit,
@@ -2471,7 +2535,7 @@ export function MapWorkspace({
               />
               <div className="geo-map-legend" aria-label="Kaartlegende">
                 <span><i className="geo-legend-area" /> Werkgebied</span>
-                {thematicRasterImageOverlays.length > 0 ? (
+                {thematicRasterImageOverlays.length > 0 || walousRasterImageOverlays.length > 0 ? (
                   <span className="geo-legend-thematic">
                     <i className={`geo-legend-ramp geo-legend-ramp-${activeTheme.id}`} />
                     <small>{thematicLegendMin} → {thematicLegendMax}</small>