273 lines
7.2 KiB
TypeScript
273 lines
7.2 KiB
TypeScript
import type {
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LayerSpecification,
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RasterLayerSpecification,
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RasterSourceSpecification,
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StyleSpecification
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} from 'maplibre-gl';
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import invariant from 'tiny-invariant';
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import cadastreLayers from './layers/cadastre.json';
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function ignServiceURL(layer: string, style: string, format = 'image/png') {
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const url = `https://data.geopf.fr/wmts`;
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const query =
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'service=WMTS&request=GetTile&version=1.0.0&tilematrixset=PM&tilematrix={z}&tilecol={x}&tilerow={y}';
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return `${url}?${query}&layer=${layer}&format=${format}&style=${style}`;
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}
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const OPTIONAL_LAYERS: { label: string; id: string; layers: string[][] }[] = [
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{
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label: 'UNESCO',
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id: 'unesco',
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layers: [
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['Aires protégées Géoparcs', 'PROTECTEDAREAS.GP', 'normal'],
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['Réserves de biosphère', 'PROTECTEDAREAS.BIOS', 'PROTECTEDAREAS.BIOS']
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]
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},
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{
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label: 'Arrêtés de protection',
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id: 'arretes_protection',
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layers: [
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[
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'Arrêtés de protection de biotope',
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'PROTECTEDAREAS.APB',
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'PROTECTEDAREAS.APB'
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],
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['Arrêtés de protection de géotope', 'PROTECTEDAREAS.APG', 'normal']
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]
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},
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{
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label: 'Conservatoire du Littoral',
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id: 'conservatoire_littoral',
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layers: [
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[
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'Conservatoire du littoral : parcelles protégées',
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'PROTECTEDAREAS.MNHN.CDL.PARCELS',
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'PROTECTEDAREAS.MNHN.CDL.PARCELS'
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],
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[
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'Conservatoire du littoral : périmètres d’intervention',
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'PROTECTEDAREAS.MNHN.CDL.PERIMETER',
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'normal'
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]
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]
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},
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{
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label: 'Réserves nationales de chasse et de faune sauvage',
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id: 'reserves_chasse_faune_sauvage',
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layers: [
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[
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'Réserves nationales de chasse et de faune sauvage',
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'PROTECTEDAREAS.RNCF',
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'normal'
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]
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]
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},
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{
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label: 'Réserves biologiques',
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id: 'reserves_biologiques',
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layers: [['Réserves biologiques', 'PROTECTEDAREAS.RB', 'normal']]
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},
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{
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label: 'Réserves naturelles',
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id: 'reserves_naturelles',
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layers: [
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[
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'Réserves naturelles nationales',
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'PROTECTEDAREAS.RN',
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'PROTECTEDAREAS.RN'
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],
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[
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'Périmètres de protection de réserves naturelles',
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'PROTECTEDAREAS.MNHN.RN.PERIMETER',
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'normal'
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],
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[
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'Réserves naturelles de Corse',
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'PROTECTEDAREAS.RNC',
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'PROTECTEDAREAS.RNC'
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],
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[
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'Réserves naturelles régionales',
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'PROTECTEDSITES.MNHN.RESERVES-REGIONALES',
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'PROTECTEDSITES.MNHN.RESERVES-REGIONALES'
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]
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]
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},
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{
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label: 'Natura 2000',
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id: 'natura_2000',
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layers: [
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[
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'Sites Natura 2000 (Directive Habitats)',
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'PROTECTEDAREAS.SIC',
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'PROTECTEDAREAS.SIC'
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],
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[
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'Sites Natura 2000 (Directive Oiseaux)',
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'PROTECTEDAREAS.ZPS',
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'PROTECTEDAREAS.ZPS'
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]
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]
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},
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{
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label: 'Zones humides d’importance internationale',
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id: 'zones_humides',
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layers: [
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[
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'Zones humides d’importance internationale',
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'PROTECTEDAREAS.RAMSAR',
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'PROTECTEDAREAS.RAMSAR'
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]
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]
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},
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{
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label: 'ZNIEFF',
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id: 'znieff',
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layers: [
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[
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'Zones naturelles d’intérêt écologique faunistique et floristique de type 1 (ZNIEFF 1 mer)',
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'PROTECTEDAREAS.ZNIEFF1.SEA',
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'normal'
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],
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[
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'Zones naturelles d’intérêt écologique faunistique et floristique de type 1 (ZNIEFF 1)',
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'PROTECTEDAREAS.ZNIEFF1',
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'PROTECTEDAREAS.ZNIEFF1'
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],
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[
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'Zones naturelles d’intérêt écologique faunistique et floristique de type 2 (ZNIEFF 2 mer)',
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'PROTECTEDAREAS.ZNIEFF2.SEA',
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'normal'
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],
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[
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'Zones naturelles d’intérêt écologique faunistique et floristique de type 2 (ZNIEFF 2)',
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'PROTECTEDAREAS.ZNIEFF2',
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'PROTECTEDAREAS.ZNIEFF2'
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]
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]
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},
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{
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label: 'Cadastre',
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id: 'cadastres',
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layers: [
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['Cadastre', 'CADASTRE', 'DECALAGE DE LA REPRESENTATION CADASTRALE']
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]
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}
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];
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function buildSources() {
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return Object.fromEntries(
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OPTIONAL_LAYERS.filter(({ id }) => id !== 'cadastres')
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.flatMap(({ layers }) => layers)
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.map(([, code, style]) => [
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getLayerCode(code),
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rasterSource([ignServiceURL(code, style)], 'IGN-F/Géoportail/MNHN')
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])
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);
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}
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function rasterSource(
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tiles: string[],
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attribution: string
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): RasterSourceSpecification {
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return {
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type: 'raster',
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tiles,
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tileSize: 256,
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attribution,
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minzoom: 0,
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maxzoom: 18
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};
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}
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function rasterLayer(
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source: string,
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opacity: number
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): RasterLayerSpecification {
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return {
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id: source,
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source,
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type: 'raster',
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paint: { 'raster-resampling': 'linear', 'raster-opacity': opacity }
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};
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}
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export function buildOptionalLayers(
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ids: string[],
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opacity: Record<string, number>
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): LayerSpecification[] {
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return OPTIONAL_LAYERS.filter(({ id }) => ids.includes(id))
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.flatMap(({ layers, id }) =>
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layers.map(([, code]) => [code, opacity[id] / 100] as const)
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)
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.flatMap(([code, opacity]) =>
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code === 'CADASTRE'
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? (cadastreLayers as LayerSpecification[])
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: [rasterLayer(getLayerCode(code), opacity)]
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);
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}
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export const NBS = ' ' as const;
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export function getLayerName(layer: string): string {
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const name = OPTIONAL_LAYERS.find(({ id }) => id == layer);
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invariant(name, `Layer "${layer}" not found`);
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return name.label.replace(/\s/g, NBS);
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}
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function getLayerCode(code: string) {
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return code.toLowerCase().replace(/\./g, '-');
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}
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export const style: StyleSpecification = {
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version: 8,
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metadata: {
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'mapbox:autocomposite': false,
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'mapbox:groups': {
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1444849242106.713: { collapsed: false, name: 'Places' },
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1444849334699.1902: { collapsed: true, name: 'Bridges' },
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1444849345966.4436: { collapsed: false, name: 'Roads' },
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1444849354174.1904: { collapsed: true, name: 'Tunnels' },
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1444849364238.8171: { collapsed: false, name: 'Buildings' },
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1444849382550.77: { collapsed: false, name: 'Water' },
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1444849388993.3071: { collapsed: false, name: 'Land' }
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},
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'mapbox:type': 'template',
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'openmaptiles:mapbox:owner': 'openmaptiles',
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'openmaptiles:mapbox:source:url': 'mapbox://openmaptiles.4qljc88t',
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'openmaptiles:version': '3.x',
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'maputnik:renderer': 'mbgljs'
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},
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center: [0, 0],
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zoom: 1,
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bearing: 0,
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pitch: 0,
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sources: {
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'decoupage-administratif': {
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type: 'vector',
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url: 'https://openmaptiles.geo.data.gouv.fr/data/decoupage-administratif.json'
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},
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openmaptiles: {
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type: 'vector',
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url: 'https://openmaptiles.geo.data.gouv.fr/data/france-vector.json'
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},
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'photographies-aeriennes': rasterSource(
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[ignServiceURL('ORTHOIMAGERY.ORTHOPHOTOS', 'normal', 'image/jpeg')],
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'IGN-F/Géoportail'
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),
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cadastre: {
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type: 'vector',
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url: 'https://openmaptiles.geo.data.gouv.fr/data/cadastre.json'
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},
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'plan-ign': rasterSource(
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[ignServiceURL('GEOGRAPHICALGRIDSYSTEMS.PLANIGNV2', 'normal')],
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'IGN-F/Géoportail'
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),
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...buildSources()
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},
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sprite: 'https://openmaptiles.github.io/osm-bright-gl-style/sprite',
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glyphs: 'https://openmaptiles.geo.data.gouv.fr/fonts/{fontstack}/{range}.pbf',
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layers: []
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};
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