大屏添加cesium

public/sdk/three/jsm/loaders/TIFFLoader.js

@@ -0,0 +1,36 @@
+import {
+	DataTextureLoader,
+	LinearFilter,
+	LinearMipmapLinearFilter
+} from 'three';
+
+import UTIF from '../libs/utif.module.js';
+
+class TIFFLoader extends DataTextureLoader {
+
+	constructor( manager ) {
+
+		super( manager );
+
+	}
+
+	parse( buffer ) {
+
+		const ifds = UTIF.decode( buffer );
+		UTIF.decodeImage( buffer, ifds[ 0 ] );
+		const rgba = UTIF.toRGBA8( ifds[ 0 ] );
+
+		return {
+			width: ifds[ 0 ].width,
+			height: ifds[ 0 ].height,
+			data: rgba,
+			flipY: true,
+			magFilter: LinearFilter,
+			minFilter: LinearMipmapLinearFilter
+		};
+
+	}
+
+}
+
+export { TIFFLoader };