-fixed access to local tilesetdata -added timeout for automatic local data...

-fixed access to local tilesetdata -added timeout for automatic local data fetching after 1sec -refactoring

public/js/connectToAPI.js

@@ -294,35 +294,29 @@ window.onclick = function (event) {
 var tileData = null;
 var tileset = null;
 var tilesetURL = 'http://vm24.fkc.hft-stuttgart.de:8081/CampusLOD2/CityModel/tileset.json';
-var localTestTileset = '/3dclient4simstadtapi/public/test/tileset/gmlTileset_v1.json';
+var localTestTileset = '/3dclient4simstadtapi/public/test/gmlTileset_v1.json';
 
 
-const controller = new AbortController(); //used to abort the request when it takes too long
-const timeoutId = setTimeout(() => controller.abort(), 3000);    // 3 second timeout:
+function timeout(ms, promise) {
+    return new Promise(function(resolve, reject) {
+      setTimeout(function() {
+        reject(new Error("timeout"))
+      }, ms)
+      promise.then(resolve, reject)
+    })
+}
+  
 
 //fetching the tileset and handling the connection
 async function fetchTileset(){   
-
-    fetch(tilesetURL,{signal:controller.signal}).then((response)=>{ //fetch request with the abort controller
-        if(response.status >= 200 && response.status<=299){ //successful connection
-            //const tilesetJSON =  response.json();   
+    timeout(1000, fetch(tilesetURL)).then((response)=>{        
         loadAndZoomToTileset(tilesetURL);                          
-            swal({text:"",timer:100}); //used to remove the waiting alert                            
-        }else{            
-            throw Error(response.statusText);   //throwing an error when a connection is not possible
-        }
-        clearTimeout(timeoutId); //timeout the request
-    }).then((jsonResponse)=>{
-        console.log("Tileset"+jsonResponse);
-    }).catch((error)=>{ //catching the error and displaying an alert for the user
-        var errorString = error["stack"]+"\n"+error["message"]; // formatting the error array
-        swal("Could not connect to Server",errorString , "error"); 
-
+     }).catch((error)=>{ //catching the error(no connection)/ timeout and displaying an alert for the user
+        //var errorString = error["stack"]+"\n"+error["message"]; // formatting the error array
+        swal({text:"Could not connect to Server. Using now: local data",icon:"info" } );  
         console.log("Using local test data");
         loadAndZoomToTileset(localTestTileset); //TODO#3: fix the link so the local tileset can be loaded
     }) 
-
-    swal({text:"Connecting to Server ... Please wait !",icon:"info" ,buttons: false}); //displays waiting alert
 }
 
 

public/test/gmlTileset_v1.json

@@ -19,7 +19,7 @@
 			"boundingVolume" : {
 				"box" : [ 4157183.4193600416, 671270.4825546426, 4774688.139831595, 209.53922537481412, 0, 0, 0, 127.40903120744042, 0, 0, 0, 159.76538479793817 ]
 			},
-			"url" : "data/data0.b3dm"
+			"url" : "/3dclient4simstadtapi/public/test/tileset/data/data0.b3dm"
 		},
 		"children" : [
 			{
@@ -31,7 +31,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157259.0075245854, 671237.0161895597, 4774633.671508186, 58.3628962864168, 0, 0, 0, 60.476301041664556, 0, 0, 0, 50.82873797789216 ]
 					},
-					"url" : "data/data1.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data1.b3dm"
 				}
 			},
 			{
@@ -43,7 +43,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157264.5454970878, 671264.7944576879, 4774639.053918136, 4.804305506404489, 0, 0, 0, 2.147513223113492, 0, 0, 0, 5.241957767866552 ]
 					},
-					"url" : "data/data2.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data2.b3dm"
 				}
 			},
 			{
@@ -55,7 +55,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157271.7478251206, 671261.0646106068, 4774633.3457075525, 4.269025307614356, 0, 0, 0, 4.564049106091261, 0, 0, 0, 3.9737667804583907 ]
 					},
-					"url" : "data/data3.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data3.b3dm"
 				}
 			},
 			{
@@ -67,7 +67,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157269.666790006, 671242.1711963416, 4774620.168381745, 18.48172607459128, 0, 0, 0, 15.025834774365649, 0, 0, 0, 18.37874110136181 ]
 					},
-					"url" : "data/data4.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data4.b3dm"
 				}
 			},
 			{
@@ -79,7 +79,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157260.68975647, 671264.3242054185, 4774624.871435814, 19.25886470079422, 0, 0, 0, 4.519255034159869, 0, 0, 0, 20.583400790579617 ]
 					},
-					"url" : "data/data5.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data5.b3dm"
 				}
 			},
 			{
@@ -91,7 +91,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157172.530755616, 671207.1977614365, 4774696.57353464, 138.71846980927512, 0, 0, 0, 114.54767946049105, 0, 0, 0, 116.25188143644482 ]
 					},
-					"url" : "data/data6.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data6.b3dm"
 				}
 			},
 			{
@@ -103,7 +103,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157214.173438959, 671345.0541383316, 4774655.342074862, 37.477705544326454, 0, 0, 0, 62.14529652846977, 0, 0, 0, 51.50954015459865 ]
 					},
-					"url" : "data/data7.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data7.b3dm"
 				}
 			},
 			{
@@ -115,7 +115,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157182.683947933, 671336.9473289275, 4774687.03334116, 11.211912735830992, 0, 0, 0, 12.544089487171732, 0, 0, 0, 4.31426614522934 ]
 					},
-					"url" : "data/data8.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data8.b3dm"
 				}
 			},
 			{
@@ -127,7 +127,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157181.173513483, 671326.7337885841, 4774674.725270944, 33.30119850020856, 0, 0, 0, 32.9711701736087, 0, 0, 0, 28.930406578816473 ]
 					},
-					"url" : "data/data9.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data9.b3dm"
 				}
 			},
 			{
@@ -139,7 +139,7 @@
 					"boundingVolume" : {
 						"box" : [ 4157193.1721887705, 671343.1874950465, 4774659.388889508, 57.298549075610936, 0, 0, 0, 65.87858309841249, 0, 0, 0, 59.603169448673725 ]
 					},
-					"url" : "data/data10.b3dm"
+					"url" : "/3dclient4simstadtapi/public/test/tileset/data/data10.b3dm"
 				}
 			}
 		]