fix #225. I set to the hips object the cached options if there are instead of erasing the Hips object given by the user with a new one with the cached options

examples/al-cfht.html

@@ -10,7 +10,7 @@
   import A from '../src/js/A.js';
   let aladin;
   A.init.then(() => {
-      aladin = A.aladin('#aladin-lite-div', {survey: "data/hips/PanSTARRS_DR1_color-z-zg-g", fov:2.0, target: "22 35 58.39 +33 57 57.8", showSettingsControl: true, log: false});
+      aladin = A.aladin('#aladin-lite-div', {samp: true, survey: "data/hips/PanSTARRS_DR1_color-z-zg-g", fov:2.0, target: "22 35 58.39 +33 57 57.8", showSettingsControl: true, log: false});
       aladin.setProjection('AIT');
       let cfht = aladin.createImageSurvey("CFHT", "CFHT MegaCam u+g+r", "./data/hips/CFHT", "equatorial", 10, {imgFormat: 'png'});
       let jwst1 = aladin.createImageSurvey("CDS/P/JWST/Stephans-Quintet/NIRCam+MIRI", "JWST NIRCam+MIRI", "data/hips/JWST_NIRCam_MIRI", null, null, {imgFormat: 'png'});

examples/al-cuts-fits-hips.html

@@ -12,10 +12,13 @@
     A.init.then(() => {
     aladin = A.aladin('#aladin-lite-div', {projection: 'AIT', cooFrame: 'galactic', fov: 200, target: 'galactic center'});
         let dss = aladin.createImageSurvey("DSS blue band", "Color DSS blue HiPS", "http://alasky.cds.unistra.fr/DSS/DSS2-blue-XJ-S/", "equatorial", 9, {imgFormat: 'fits'})
+
+
         aladin.setBaseImageLayer(dss);
 
         aladin.getBaseImageLayer().setCuts(2, 10000);
 
+
     });
 </script>
 

examples/al-set-colormap.html

@@ -15,10 +15,6 @@
         // 'rdbu', 'rdylbu', 'redtemperature', 'sinebow', 'spectral', 'summer', 'viridis', 'ylgnbu' and 'ylorbr'
         hips = aladin.getBaseImageLayer()
         hips.setColormap("cubehelix");
-
-        aladin.setImageSurvey('astron.nl/P/lotss_dr2_high')
-
-        //aladin.getBaseImageLayer().setColor([1.0, 0.0, 1.0, 1.0], { tf: 'Linear'} );
     });
 </script>
 

src/js/Aladin.js

@@ -1876,22 +1876,21 @@ export let Aladin = (function () {
                 // 2/ Not in the cache, then we create the hips from this url/id and 
                 // go to the case 3
                 imageLayer = A.HiPS(idOrUrl);
+
                 return this.setOverlayImageLayer(imageLayer, layer);
             }
         } else {
             // 3/ It is an image survey.
             imageLayer = urlOrHiPSOrFITS;
 
-
             if (imageLayer instanceof HiPS) {
                 let cachedLayerOptions = hipsCache.get(imageLayer.id)
 
                 if (!cachedLayerOptions) {
                     hipsCache.append(imageLayer.id, imageLayer.options)
                 } else {
-                    // first set the options of the cached layer to the one of the user
-                    // if it is in the cache we get it from the cache
-                    imageLayer = A.HiPS(imageLayer.id, cachedLayerOptions)
+                    // set the options from what is in the cache
+                    imageLayer.setOptions(cachedLayerOptions);
                 }
             }
         }

src/js/vo/Datalink.js

@@ -47,9 +47,7 @@ export let Datalink = (function() {
 
     Datalink.prototype.handleActions = function(url, obscoreRow, aladinInstance) {
         //const url = obscoreRow["access_url"];
-        new VOTable(
-            url,
-            (rsc) => {
+        let success = (rsc) => {
             rsc = VOTable.parseRsc(rsc);
 
             // It is a table
@@ -340,8 +338,19 @@ export let Datalink = (function() {
                     this.services[serviceDesc.name] = serviceDesc;
                 }
             }
-            },
+        };
+        new VOTable(
+            url,
+            success,
+            () => {
+                new VOTable(
+                    url,
+                    success,
                     undefined,
+                    true
+                )
+            },
+            false
         )
     };