new NavigationHelpButton
The NavigationHelpButton is a single button widget for displaying instructions for navigating the globe with the mouse.
Parameters:
| Name | Type | Argument | Default | Description |
|---|---|---|---|---|
description.container |
Element | String | The DOM element or ID that will contain the widget. | ||
description.instructionsInitiallyVisible |
Boolean |
<optional> |
false | True if the navigation instructions should initially be visible; otherwise, false. |
Throws:
DeveloperError
: Element with id "container" does not exist in the document.
Example
// In HTML head, include a link to the NavigationHelpButton.css stylesheet,
// and in the body, include: <div id="navigationHelpButtonContainer"></div>
var navigationHelpButton = new Cesium.NavigationHelpButton({
container : 'navigationHelpButtonContainer'
});
Source:
Methods
-
destroy
-
Destroys the widget. Should be called if permanently removing the widget from layout.
-
isDestroyed
-
Returns:
Boolean true if the object has been destroyed, false otherwise.