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Add zarr support to exploration page
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@@ -4,7 +4,6 @@ [email protected] | |
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| API_RASTER_ENDPOINT='https://staging-raster.delta-backend.com' | ||
| API_STAC_ENDPOINT='https://staging-stac.delta-backend.com' | ||
| API_XARRAY_ENDPOINT='https://dev-titiler-xarray.delta-backend.com/tilejson.json' | ||
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| # If the app is being served in from a subfolder, the domain url must be set. | ||
| # For example, if the app is served from /mysite: | ||
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167 changes: 167 additions & 0 deletions
167
app/scripts/components/common/map/style-generators/zarr-timeseries.tsx
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| import { useEffect, useMemo, useState } from 'react'; | ||
| import qs from 'qs'; | ||
| import { RasterSource, RasterLayer } from 'mapbox-gl'; | ||
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| import { requestQuickCache } from '../utils'; | ||
| import useMapStyle from '../hooks/use-map-style'; | ||
| import useGeneratorParams from '../hooks/use-generator-params'; | ||
| import { BaseGeneratorParams } from '../types'; | ||
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| import { ActionStatus, S_FAILED, S_LOADING, S_SUCCEEDED } from '$utils/status'; | ||
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| export interface ZarrTimeseriesProps extends BaseGeneratorParams { | ||
| id: string; | ||
| stacCol: string; | ||
| date?: Date; | ||
| sourceParams?: Record<string, any>; | ||
| stacApiEndpoint?: string; | ||
| tileApiEndpoint?: string; | ||
| zoomExtent?: number[]; | ||
| onStatusChange?: (result: { status: ActionStatus; id: string }) => void; | ||
| } | ||
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| export function ZarrTimeseries(props: ZarrTimeseriesProps) { | ||
| const { | ||
| id, | ||
| stacCol, | ||
| stacApiEndpoint, | ||
| tileApiEndpoint, | ||
| date, | ||
| sourceParams, | ||
| zoomExtent, | ||
| onStatusChange, | ||
| hidden, | ||
| opacity | ||
| } = props; | ||
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| const { updateStyle } = useMapStyle(); | ||
| const [assetUrl, setAssetUrl] = useState(''); | ||
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| const [minZoom] = zoomExtent ?? [0, 20]; | ||
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| const stacApiEndpointToUse = stacApiEndpoint ?? process.env.API_STAC_ENDPOINT; | ||
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| const generatorId = `zarr-timeseries-${id}`; | ||
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| // | ||
| // Get the asset url | ||
| // | ||
| useEffect(() => { | ||
| const controller = new AbortController(); | ||
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| async function load() { | ||
| try { | ||
| onStatusChange?.({ status: S_LOADING, id }); | ||
| const data = await requestQuickCache({ | ||
| url: `${stacApiEndpointToUse}/collections/${stacCol}`, | ||
| method: 'GET', | ||
| controller | ||
| }); | ||
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| setAssetUrl(data.assets.zarr.href); | ||
| onStatusChange?.({ status: S_SUCCEEDED, id }); | ||
| } catch (error) { | ||
| if (!controller.signal.aborted) { | ||
| setAssetUrl(''); | ||
| onStatusChange?.({ status: S_FAILED, id }); | ||
| } | ||
| return; | ||
| } | ||
| } | ||
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| load(); | ||
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| return () => { | ||
| controller.abort(); | ||
| }; | ||
| }, [id, stacCol, stacApiEndpointToUse, date, onStatusChange]); | ||
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| // | ||
| // Generate Mapbox GL layers and sources for raster timeseries | ||
| // | ||
| const haveSourceParamsChanged = useMemo( | ||
| () => JSON.stringify(sourceParams), | ||
| [sourceParams] | ||
| ); | ||
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| const generatorParams = useGeneratorParams(props); | ||
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| useEffect( | ||
| () => { | ||
| if (!tileApiEndpoint) return; | ||
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| const tileParams = qs.stringify({ | ||
| url: assetUrl, | ||
| time_slice: date, | ||
| ...sourceParams | ||
| }); | ||
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| const zarrSource: RasterSource = { | ||
| type: 'raster', | ||
| url: `${tileApiEndpoint}?${tileParams}` | ||
| }; | ||
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| const rasterOpacity = typeof opacity === 'number' ? opacity / 100 : 1; | ||
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| const zarrLayer: RasterLayer = { | ||
| id: id, | ||
| type: 'raster', | ||
| source: id, | ||
| paint: { | ||
| 'raster-opacity': hidden ? 0 : rasterOpacity, | ||
| 'raster-opacity-transition': { | ||
| duration: 320 | ||
| } | ||
| }, | ||
| minzoom: minZoom, | ||
| metadata: { | ||
| layerOrderPosition: 'raster' | ||
| } | ||
| }; | ||
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| const sources = { | ||
| [id]: zarrSource | ||
| }; | ||
| const layers = [zarrLayer]; | ||
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| updateStyle({ | ||
| generatorId, | ||
| sources, | ||
| layers, | ||
| params: generatorParams | ||
| }); | ||
| }, | ||
| // sourceParams not included, but using a stringified version of it to | ||
| // detect changes (haveSourceParamsChanged) | ||
| [ | ||
| updateStyle, | ||
| id, | ||
| date, | ||
| assetUrl, | ||
| minZoom, | ||
| tileApiEndpoint, | ||
| haveSourceParamsChanged, | ||
| generatorParams | ||
| // generatorParams includes hidden and opacity | ||
| // hidden, | ||
| // opacity, | ||
| // generatorId, // - dependent on id | ||
| // sourceParams, // tracked by haveSourceParamsChanged | ||
| ] | ||
| ); | ||
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| // | ||
| // Cleanup layers on unmount. | ||
| // | ||
| useEffect(() => { | ||
| return () => { | ||
| updateStyle({ | ||
| generatorId, | ||
| sources: {}, | ||
| layers: [] | ||
| }); | ||
| }; | ||
| }, [updateStyle, generatorId]); | ||
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| return null; | ||
| } |
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