Visibility?

CesiumJS
1

Is there some basic sample on how to toggle visibility of an entity? Or do you have to toggle visiblity of individual aspects (i.e. polygon/billboard) of an entity?
As an alternative, is there a way to remove individual entities/geojson features?

2

It would be nice if there was a getVisible() setVisible().

3

As of right now, you would have to toggle the individual pieces, but having a top level entity visibility flag is high on my to-do list. I wanted to do it for 1.7 but KML and forum questions took up all of my time. I definitely plan on adding it for 1.8.

The good news is there is a workaround using the entity.availability property. Here’s an example for Sandcastle.

var viewer = new Cesium.Viewer(‘cesiumContainer’);

var blueBox = viewer.entities.add({

name : ‘Blue box’,

availability : new Cesium.TimeIntervalCollection(),

position: Cesium.Cartesian3.fromDegrees(-114.0, 40.0, 300000.0),

box : {

dimensions : new Cesium.Cartesian3(400000.0, 300000.0, 500000.0),

material : Cesium.Color.BLUE.withAlpha(0.6)

},

point : {

pixelSize: 10

}

});

blueBox.availability.addInterval(Cesium.Iso8601.MAXIMUM_INTERVAL);

Sandcastle.addToolbarButton(‘Toggle Visibility’, function(){

if(blueBox.availability.length !== 0){

blueBox.availability.removeAll();

}else{

blueBox.availability.addInterval(Cesium.Iso8601.MAXIMUM_INTERVAL);

}

});

viewer.zoomTo(viewer.entities);