Created
March 20, 2025 16:07
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Standalone file for viewing GeoTIFF in a web browser
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| <html> | |
| <head> | |
| <title>My first web page</title> | |
| <script src="https://cdn.jsdelivr.net/npm/geotiff/dist-browser/geotiff.js"></script> | |
| <script src="https://cdn.jsdelivr.net/npm/proj4/dist/proj4.js"></script> | |
| <script src="https://cdn.jsdelivr.net/npm/geotiff-geokeys-to-proj4/main-dist-iife.js"></script> | |
| <script src="https://unpkg.com/[email protected]/dist/plotty.min.js"></script> | |
| </head> | |
| <body> | |
| <h1>GeoTIFF in Browser</h1> | |
| <canvas id="plot"></canvas> | |
| <script> | |
| const { fromUrl, fromUrls, fromArrayBuffer, fromBlob } = GeoTIFF; | |
| (async function() { | |
| // https://visibleearth.nasa.gov/images/57752/blue-marble-land-surface-shallow-water-and-shaded-topography | |
| const response = await fetch("test.tif"); | |
| const arrayBuffer = await response.arrayBuffer(); | |
| const tiff = await fromArrayBuffer(arrayBuffer); | |
| const image = await tiff.getImage(); | |
| const data = await image.readRasters(); | |
| const canvas = document.getElementById("plot"); | |
| console.log(image.getGeoKeys()); | |
| const plot = new plotty.plot({ | |
| canvas, | |
| data: data[0], | |
| width: image.getWidth(), | |
| height: image.getHeight(), | |
| domain: [0, 256], | |
| colorScale: "viridis" | |
| }); | |
| plot.render(); | |
| })() | |
| </script> | |
| </body> | |
| </html> |
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