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Try running gdal in a web worker #560

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ad90a76
Try running gdal in a worker
martinRenou Mar 20, 2025
ef30051
Merge branch 'main' into gdal_worker
arjxn-py Mar 25, 2025
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2 changes: 1 addition & 1 deletion packages/base/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,7 @@
"scripts": {
"build": "tsc -b && jlpm run cp:gdal",
"build:gallery": "python rasterlayer_gallery_generator.py",
"cp:gdal": "cp ../../node_modules/gdal3.js/dist/package/gdal3WebAssembly.data lib && cp ../../node_modules/gdal3.js/dist/package/gdal3WebAssembly.wasm lib",
"cp:gdal": "cp ../../node_modules/gdal3.js/dist/package/gdal3WebAssembly.data lib && cp ../../node_modules/gdal3.js/dist/package/gdal3WebAssembly.wasm lib && cp ../../node_modules/gdal3.js/dist/package/gdal3.js lib",
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🤔 Can we use brace expansion to shorten?

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"cp:gdal": "cp ../../node_modules/gdal3.js/dist/package/gdal3WebAssembly.data lib && cp ../../node_modules/gdal3.js/dist/package/gdal3WebAssembly.wasm lib && cp ../../node_modules/gdal3.js/dist/package/gdal3.js lib",
"cp:gdal": "cp ../../node_modules/gdal3.js/dist/package/{gdal3WebAssembly.data,gdal3WebAssembly.wasm,gdal3.js} lib",

"build:prod": "jlpm run clean && jlpm run build",
"build:dev": "tsc -b && jlpm run cp:gdal",
"clean": "rimraf tsconfig.tsbuildinfo",
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7 changes: 4 additions & 3 deletions packages/base/src/gdal.ts
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Expand Up @@ -3,14 +3,15 @@ import initGdalJs from 'gdal3.js';
export async function getGdal() {
const dataurl = new URL('./gdal3WebAssembly.data', import.meta.url);
const wasmurl = new URL('./gdal3WebAssembly.wasm', import.meta.url);
const jsurl = new URL('./gdal3.js', import.meta.url);

// TODO Pass gdal JS too and run gdal in a worker?
return await initGdalJs({
paths: {
wasm: wasmurl.href,
data: dataurl.href
data: dataurl.href,
js: jsurl.href
},
useWorker: false
useWorker: true
});
}

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