fix(COG): Fix COG example

ketourneau · Desplandis · commit aaa969150519 · 2024-05-30T10:08:22.000+02:00
diff --git a/examples/js/plugins/COGParser.js b/examples/js/plugins/COGParser.js
@@ -235,14 +235,14 @@ const COGParser = (function _() {
          */
         parse: async function _(data, options) {
             const source = options.in;
-            const tileExtent = data.extent.as(source.crs);
+            const tileExtent = options.extent.as(source.crs);
 
             const level = selectLevel(source, tileExtent, source.tileWidth, source.tileHeight);
             const viewport = makeWindowFromExtent(source, tileExtent, level.resolution);
             const rgbBuffer = await readRGB(source, level, viewport);
             const texture = createTexture(source, rgbBuffer);
             texture.flipY = true;
-            texture.extent = data.extent;
+            texture.extent = options.extent;
             texture.needsUpdate = true;
             texture.magFilter = THREE.LinearFilter;
             texture.minFilter = THREE.LinearFilter;
diff --git a/examples/source_file_cog.html b/examples/source_file_cog.html
@@ -36,6 +36,7 @@
             itowns.proj4.defs('EPSG:2154', '+proj=lcc +lat_1=49 +lat_2=44 +lat_0=46.5 +lon_0=3 +x_0=700000 +y_0=6600000 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs');
 
             var viewerDiv = document.getElementById('viewerDiv');
+            var view;
 
             function readCOGURL() {
                 var url = document.getElementById('cog_url').value || new URLSearchParams(window.location.search).get('geotiff');
@@ -47,7 +48,7 @@
             }
 
             function loadRGBSample() {
-                document.getElementById('cog_url').value = 'https://cdn.jsdelivr.net/gh/bloc-in-bloc/iTowns2-sample-data@add-cog-sample/cog/orvault.tif';
+                document.getElementById('cog_url').value = 'https://cdn.jsdelivr.net/gh/iTowns/iTowns2-sample-data/cog/nantes/nantes.tif';
                 readCOGURL();
             }
 
@@ -56,6 +57,12 @@
                 readCOGURL();
             }
 
+            function removeAllChildNodes(parent) {
+                while (parent.firstChild) {
+                    parent.removeChild(parent.firstChild);
+                }
+            }
+
             function loadCOG(url) {
                 // create a source from a Cloud Optimized GeoTiff
                 var cogSource = new COGSource({
@@ -66,14 +73,17 @@
                 });
 
                 cogSource.whenReady.then(() => {
-                    var view = new itowns.PlanarView(viewerDiv, cogSource.extent, {
+                    if (view !== undefined) {
+                        view.dispose(true);
+                        removeAllChildNodes(viewerDiv);
+                    }
+                    view = new itowns.PlanarView(viewerDiv, cogSource.extent, {
                         // Default maxSubdivisionLevel is 5, so with huge geotiff it's not enough to see details when zoomed
                         maxSubdivisionLevel: 10,
                         disableSkirt: true,
                         placement: { tilt: 90 }
                     });
                     setupLoadingScreen(viewerDiv, view);
-                    new itowns.PlanarControls(view, {});
                     var cogLayer = new itowns.ColorLayer('cog', {
                         source: cogSource,
                     });
