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Merge pull request #292 from performant-software/feature/cdc248_geore…
…ference_layers CDC #248 - Geo-reference layers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| // @flow | ||
|
|
||
| import { useEffect, useState } from 'react'; | ||
| import { useMap } from 'react-map-gl'; | ||
| import MapUtils from '../utils/Map'; | ||
|
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| type Props = { | ||
| /** | ||
| * ID of the new layer. | ||
| */ | ||
| id: string, | ||
|
|
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| /** | ||
| * (Optional) IIIF manifest content containing the image and geo-reference annotations. | ||
| */ | ||
| manifest?: string, | ||
|
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| /** | ||
| * (Optional) layer opacity. | ||
| */ | ||
| opacity?: number, | ||
|
|
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| /** | ||
| * (Optional) URL to the IIIF manifest. | ||
| */ | ||
| url?: string | ||
| }; | ||
|
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| const WarpedImageLayer = (props: Props) => { | ||
| const [loaded, setLoaded] = useState(false); | ||
|
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| const mapRef = useMap(); | ||
|
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| /** | ||
| * Sets the "loaded" attribute on the state based on the current map state. | ||
| */ | ||
| useEffect(() => { | ||
| const instance = mapRef?.current?.getMap(); | ||
| if (instance && instance.loaded()) { | ||
| setLoaded(true); | ||
| } else if (instance) { | ||
| instance.on('load', () => setLoaded(true)); | ||
| } | ||
| }, []); | ||
|
|
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| /** | ||
| * Adds the WarpedMapLayer object to the map as a new layer. | ||
| */ | ||
| useEffect(() => { | ||
| if (!loaded) { | ||
| return undefined; | ||
| } | ||
|
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| const map = mapRef.current.getMap(); | ||
|
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| MapUtils.addGeoreferenceLayer(map, props.id, { | ||
| manifest: props.manifest, | ||
| opacity: props.opacity, | ||
| url: props.url | ||
| }); | ||
|
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| return () => MapUtils.removeLayer(map, props.id); | ||
| }, [loaded]); | ||
|
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| return null; | ||
| }; | ||
|
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| WarpedImageLayer.defaultProps = { | ||
| opacity: 0.5 | ||
| }; | ||
|
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| export default WarpedImageLayer; |
56 changes: 56 additions & 0 deletions
56
packages/geospatial/src/components/WarpedImageLayerPeripleo.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // @flow | ||
|
|
||
| import { useEffect } from 'react'; | ||
| import { useLoadedMap } from '@peripleo/maplibre'; | ||
| import MapUtils from '../utils/Map'; | ||
|
|
||
| type Props = { | ||
| /** | ||
| * ID of the new layer. | ||
| */ | ||
| id: string, | ||
|
|
||
| /** | ||
| * (Optional) IIIF manifest content containing the image and geo-reference annotations. | ||
| */ | ||
| manifest?: string, | ||
|
|
||
| /** | ||
| * (Optional) layer opacity. | ||
| */ | ||
| opacity?: number, | ||
|
|
||
| /** | ||
| * (Optional) URL to the IIIF manifest. | ||
| */ | ||
| url?: string | ||
| }; | ||
|
|
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| const WarpedImageLayer = (props: Props) => { | ||
| const map = useLoadedMap(); | ||
|
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| /** | ||
| * Adds the WarpedMapLayer object to the map as a new layer. | ||
| */ | ||
| useEffect(() => { | ||
| if (!map) { | ||
| return undefined; | ||
| } | ||
|
|
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| MapUtils.addGeoreferenceLayer(map, props.id, { | ||
| manifest: props.manifest, | ||
| opacity: props.opacity, | ||
| url: props.url | ||
| }); | ||
|
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| return () => MapUtils.removeLayer(map, props.id); | ||
| }, [map]); | ||
|
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| return null; | ||
| }; | ||
|
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| WarpedImageLayer.defaultProps = { | ||
| opacity: 0.5 | ||
| }; | ||
|
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| export default WarpedImageLayer; |
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