demUtils

iTowns · Dec 20, 2023 · 749d412 · 749d412
1 parent b8adf13
commit 749d412
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diff --git a/test/data/unitTest/dem/dem3_3_8.bil b/test/data/unitTest/dem/dem3_3_8.bil
diff --git a/test/unit/demutils.js b/test/unit/demutils.js
@@ -1,6 +1,8 @@
 import * as THREE from 'three';
+import fs from 'fs';
 import ElevationLayer from 'Layer/ElevationLayer';
 import WMTSSource from 'Source/WMTSSource';
+import { supportedFetchers } from 'Source/Source';
 import { HttpsProxyAgent } from 'https-proxy-agent';
 import assert from 'assert';
 import GlobeView from 'Core/Prefab/GlobeView';
@@ -12,39 +14,65 @@ import OBB from 'Renderer/OBB';
 import LayerUpdateState from 'Layer/LayerUpdateState';
 import DEMUtils from 'Utils/DEMUtils';
 import { RasterElevationTile } from 'Renderer/RasterTile';
+import sinon from 'sinon';
 import Renderer from './bootstrap';
 
+const dem338 = fs.readFileSync('./test/data/unitTest/dem/dem3_3_8.bil');
+
 describe('DemUtils', function () {
     const renderer = new Renderer();
     const placement = { coord: new Coordinates('EPSG:4326', 1.5, 43), zoom: 10 };
     const viewer = new GlobeView(renderer.domElement, placement, { renderer });
 
-    const source = new WMTSSource({
-        format: 'image/x-bil;bits=32',
-        crs: 'EPSG:4326',
-        url: 'https://wxs.ign.fr/altimetrie/geoportail/wmts',
-        name: 'ELEVATION.ELEVATIONGRIDCOVERAGE.SRTM3',
-        tileMatrixSet: 'WGS84G',
-        networkOptions: process.env.HTTPS_PROXY ? { agent: new HttpsProxyAgent(process.env.HTTPS_PROXY) } : {
-            // referrerPolicy: 'origin-when-cross-origin',
-            crossOrigin: 'anonymous',
-            // referrer: 'http://localhost:8080/examples/view_3d_map.html',
-        },
-    });
-    source.url = 'https://github.com/iTowns/iTowns2-sample-data/blob/master/dem3_3_8.bil?raw=true';
-    const elevationlayer = new ElevationLayer('worldelevation', { source });
+    let elevationlayer;
+    let context;
+    let stubSuppFetcher;
+
+    before(function () {
+        stubSuppFetcher = sinon.stub(supportedFetchers, 'get')
+            .callsFake((format) => {
+                if (format === 'image/x-bil;bits=32') {
+                    const floatArray = new Float32Array(dem338.buffer);
+                    const texture = new THREE.DataTexture(floatArray, 256, 256, THREE.RedFormat, THREE.FloatType);
+                    texture.internalFormat = 'R32F';
+                    texture.needsUpdate = true;
+                    return () => Promise.resolve(texture);
+                } else {
+                    throw new Error(`format (${format}) non supported`);
+                }
+            });
+
+        const source = new WMTSSource({
+            format: 'image/x-bil;bits=32',
+            crs: 'EPSG:4326',
+            url: 'https://wxs.ign.fr/altimetrie/geoportail/wmts',
+            name: 'ELEVATION.ELEVATIONGRIDCOVERAGE.SRTM3',
+            tileMatrixSet: 'WGS84G',
+            networkOptions: process.env.HTTPS_PROXY ? { agent: new HttpsProxyAgent(process.env.HTTPS_PROXY) } : {
+                // referrerPolicy: 'origin-when-cross-origin',
+                crossOrigin: 'anonymous',
+                // referrer: 'http://localhost:8080/examples/view_3d_map.html',
+            },
+        });
+        source.url = 'https://github.com/iTowns/iTowns2-sample-data/blob/master/dem3_3_8.bil?raw=true';
+        elevationlayer = new ElevationLayer('worldelevation', { source });
 
-    const context = {
-        camera: viewer.camera,
-        engine: viewer.mainLoop.gfxEngine,
-        scheduler: {
-            execute: (command) => {
-                const provider = viewer.mainLoop.scheduler.getProtocolProvider(command.layer.protocol);
-                return provider.executeCommand(command);
+        context = {
+            camera: viewer.camera,
+            engine: viewer.mainLoop.gfxEngine,
+            scheduler: {
+                execute: (command) => {
+                    const provider = viewer.mainLoop.scheduler.getProtocolProvider(command.layer.protocol);
+                    return provider.executeCommand(command);
+                },
             },
-        },
-        view: viewer,
-    };
+            view: viewer,
+        };
+    });
+
+    after(() => {
+        stubSuppFetcher.restore();
+    });
 
     it('add elevation layer', (done) => {
         viewer.addLayer(elevationlayer)