viewerPerformanceWatchdogMixin(viewer)
A mixin which adds the
PerformanceWatchdog widget to the Viewer widget.
Rather than being called directly, this function is normally passed as
a parameter to Viewer#extend, as shown in the example below.
| Name | Type | Default | Description |
|---|---|---|---|
viewer |
Viewer | The viewer instance. | |
options.lowFrameRateMessage |
String |
'This application appears to be performing poorly on your system. Please try using a different web browser or updating your video drivers.'
|
optional The message to display when a low frame rate is detected. The message is interpeted as HTML, so make sure it comes from a trusted source so that your application is not vulnerable to cross-site scripting attacks. |
Throws:
-
DeveloperError : viewer is required.
Example:
var viewer = new Cesium.Viewer('cesiumContainer');
viewer.extend(Cesium.viewerPerformanceWatchdogMixin, {
lowFrameRateMessage : 'Why is this going so <em>slowly</em>?'
});