GisEyeGradualLightRingMaterialProperty

Example:

let lon = 104;
  let lat = 30;
  viewer.entities.add({
    wall: {
      positions: Cesium.Cartesian3.fromDegreesArrayHeights([
        lon - 0.2+1.5, lat - 0.1, 20000,
        lon + 0.2+1.5, lat - 0.1, 20000,
        lon + 0.2+1.5, lat - 0.5, 20000,
        lon - 0.2+1.5, lat - 0.5, 20000,
        lon - 0.2+1.5, lat - 0.1, 20000,
      ]),
      material: new GisEye.GisEyeGradualLightRingMaterialProperty({
        color: new Cesium.Color(0.23, 0.67, 0.9, 1.0),
        rate: 1,
        repeatNum: 5
      })
    }
  });