Merge pull request #64 from jcphill/jcphill-load-blob

load from File/Blob on front-end
GeoTIFF · Feb 17, 2022 · ad4681a · ad4681a
2 parents f4a2351 + 5749e28
commit ad4681a
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/src/index.js b/src/index.js
@@ -59,6 +59,10 @@ class GeoRaster {
       this._url = data;
       this.rasterType = 'geotiff';
       this.sourceType = 'url';
+    } else if (typeof Blob !== 'undefined' && data instanceof Blob) {
+      this._data = data;
+      this.rasterType = 'geotiff';
+      this.sourceType = 'Blob';
     } else if (typeof Buffer !== 'undefined' && Buffer.isBuffer(data)) {
       // this is node
       if (debug) console.log('data is a buffer');

diff --git a/src/parseData.js b/src/parseData.js
@@ -1,4 +1,4 @@
-import {fromArrayBuffer, fromUrl} from 'geotiff';
+import {fromArrayBuffer, fromUrl, fromBlob} from 'geotiff';
 import {getPalette} from 'geotiff-palette';
 import {unflatten} from './utils.js';
 
@@ -74,6 +74,8 @@ export default function parseData(data, debug) {
         let initFunction = fromArrayBuffer;
         if (data.sourceType === 'url') {
           initFunction = fromUrl;
+        } else if (data.sourceType === 'Blob') {
+          initFunction = fromBlob;
         }
 
         if (debug) console.log('data.rasterType is geotiff');