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Merge pull request #1083 from geoadmin/feat-PB-1028-do-not-load-entir…
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65 changes: 65 additions & 0 deletions
65
...ules/menu/components/advancedTools/ImportFile/parser/CloudOptimizedGeoTIFFParser.class.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| import { fromBlob, fromUrl } from 'geotiff' | ||
|
|
||
| import CloudOptimizedGeoTIFFLayer from '@/api/layers/CloudOptimizedGeoTIFFLayer.class' | ||
| import OutOfBoundsError from '@/modules/menu/components/advancedTools/ImportFile/parser/errors/OutOfBoundsError.error' | ||
| import UnknownProjectionError from '@/modules/menu/components/advancedTools/ImportFile/parser/errors/UnknownProjectionError.error' | ||
| import FileParser from '@/modules/menu/components/advancedTools/ImportFile/parser/FileParser.class' | ||
| import allCoordinateSystems from '@/utils/coordinates/coordinateSystems' | ||
| import { flattenExtent, getExtentIntersectionWithCurrentProjection } from '@/utils/extentUtils' | ||
|
|
||
| export class CloudOptimizedGeoTIFFParser extends FileParser { | ||
| constructor() { | ||
| super({ | ||
| fileExtensions: ['.tif', '.tiff'], | ||
| fileContentTypes: [ | ||
| 'image/tiff', | ||
| 'image/tiff;subtype=geotiff', | ||
| 'application=geotiff', | ||
| 'application=geotiff; profile=cloud-optimized', | ||
| 'image/tiff; application=geotiff; profile=cloud-optimized', | ||
| ], | ||
| }) | ||
| } | ||
|
|
||
| async parseCOGLayer(fileSource, geoTIFFInstance, currentProjection) { | ||
| if (!geoTIFFInstance) { | ||
| throw false | ||
| } | ||
| const firstImage = await geoTIFFInstance.getImage() | ||
| const imageGeoKey = firstImage.getGeoKeys()?.ProjectedCSTypeGeoKey | ||
| const cogProjection = allCoordinateSystems.find( | ||
| (coordinateSystem) => coordinateSystem.epsgNumber === imageGeoKey | ||
| ) | ||
| if (!cogProjection) { | ||
| throw new UnknownProjectionError( | ||
| `Unknown projection found in COG EPSG:${imageGeoKey}`, | ||
| `EPSG:${imageGeoKey}` | ||
| ) | ||
| } | ||
| const cogExtent = firstImage.getBoundingBox() | ||
| const intersection = getExtentIntersectionWithCurrentProjection( | ||
| cogExtent, | ||
| cogProjection, | ||
| currentProjection | ||
| ) | ||
| if (!intersection) { | ||
| throw new OutOfBoundsError(`COG is out of bounds of current projection: ${cogExtent}`) | ||
| } | ||
| return new CloudOptimizedGeoTIFFLayer({ | ||
| fileSource: this.isLocalFile(fileSource) ? fileSource.name : fileSource, | ||
| visible: true, | ||
| opacity: 1.0, | ||
| data: fileSource, | ||
| noDataValue: firstImage.getGDALNoData(), | ||
| extent: flattenExtent(intersection), | ||
| }) | ||
| } | ||
|
|
||
| async parseUrl(fileUrl, currentProjection, options) { | ||
| return this.parseCOGLayer(fileUrl, await fromUrl(fileUrl), currentProjection, options) | ||
| } | ||
|
|
||
| async parseLocalFile(file, currentProjection) { | ||
| return this.parseCOGLayer(file, await fromBlob(file), currentProjection) | ||
| } | ||
| } |
8 changes: 7 additions & 1 deletion
8
src/modules/menu/components/advancedTools/ImportFile/parser/index.js
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