cannot extract extents of rectangle after loading imagery layer according to url

CesiumJS
1

1. A concise explanation of the problem you’re experiencing.

i have created a function addAdditionalLayerOption() where i am passing my layer name ,imagery provider .and i can see the layer in the form of rectangle after clicking on url on my html page.But now when i want to zoom i have to pass extents to the zoom funtion or flyTo().But i dont want pass it to .fromdegrees() hardcoded i want to extract the bbox values from imagery provider but cannot see them anyhere so that i can pass them.

2. A minimal code example. If you’ve found a bug, this helps us reproduce and repair it.

addmylayer(layerNames)

{

addAdditionalLayerOption(layerNames[i],

new Cesium.WebMapServiceImageryProvider({

url :arrayOfUrls[layerNames[i]],

layers : “ddyn_bterm”,

parameters : {

transparent : true,

format : ‘image/png’,

         },

}),true,true);

}

now ths call goes to:

function addAdditionalLayerOption(name, imageryProvider, alpha, show) {

var layer = imageryLayers.addImageryProvider(imageryProvider);

layer.alpha = Cesium.defaultValue(alpha, 1);

layer.show = Cesium.defaultValue(show, false);

layer.name = name;

}

3. Context. Why do you need to do this? We might know a better way to accomplish your goal.

4. The Cesium version you’re using, your operating system and browser.

2

You should be able to just have the camera fly directly to your imagery layer like in this example:

https://sandcastle.cesium.com/index.html?src=Washington%20DC%202017.html

Let me know if that works.

3

You should be able to just have the camera fly directly to your imagery layer like in this example:

https://sandcastle.cesium.com/index.html?src=Washington%20DC%202017.html

Let me know if that works.

1. A concise explanation of the problem you’re experiencing.

i did changes as per following code, but my layer is on globe but its showing globe after clicking onmy layers url and not zoomin my layer

2. A minimal code example. If you’ve found a bug, this helps us reproduce and repair it.

addmylayer(layerNames)

{

addAdditionalLayerOption(layerNames[i],

new Cesium.WebMapServiceImageryProvider({

url :arrayOfUrls[layerNames[i]],

layers : “ddyn_bterm”,

parameters : {

transparent : true,

format : ‘image/png’,

         },

}),true,true);

}

now ths call goes to:

function addAdditionalLayerOption(name, imageryProvider, alpha, show) {

var layer = viewer.imageryLayers.addImageryProvider(imageryProvider);

layer.alpha = Cesium.defaultValue(alpha, 1);

layer.show = Cesium.defaultValue(show, false);

layer.name = name;

viewer.flyTo(layer );