Webnew Cesium.CallbackProperty (callback, isConstant)DataSources/CallbackProperty.js 23. A Property whose value is lazily evaluated by a callback function. The function to be called … WebDescription. callback. CallbackProperty~Callback. The function to be called when the property is evaluated. isConstant. Boolean. true when the callback function returns the …

setCallBack() Method in lightning - Salesforce Stack Exchange

WebsetCallback (callback, isConstant) Sets the callback to be used. Parameters: Name Type Description; callback: CallbackProperty~Callback: The function to be called when the property is evaluated. isConstant: Boolean: true when the callback function returns the same value every time, false if the value will change. Web而Cesium提供一种机制，可以让其随时间自动变化并赋值，这就是Property。以下代码是在5秒内让盒子大小变化。 var property = new Cesium. SampledProperty (Cesium. … brille od os

Cesium Description, Symbol, Uses, & Facts Britannica

WebMay 11, 2024 · Here's Sandcastle link.. const { Cartesian3, CallbackProperty, Color, defined, ScreenSpaceEventHandler, ScreenSpaceEventType, Viewer } = window.Cesium; const viewer ... WebSep 4, 2024 · var dynamicPositions = new Cesium.CallbackProperty(function { return positions; }, false); This used to be a valid input for a polygon entity hierarchy, but now since CesiumJs version 1.60 this no longer works. This approach follows what was (at some point at least) the suggested method from one of the Sandcastle examples to allow users to … WebMar 22, 2024 · If I had to take a guess, action.setCallback () is, behind the scenes, taking the first parameter and binding it to the this used by the function (specified as the second parameter). In other words, using this as the first parameter allows you to access the data in the scope of the echo function of the controller which the callback function is ... tava root