Render points with fixed real world or screen space size.
See https://developers.arcgis.com/web-scene-specification/objects/pointCloudFixedSizeAlgorithm/.
Optional
Symbol size in real world units or display unit.
Type:String Value of this property must be pointCloudFixedSizeAlgorithm.
If true symbol size is in meters, display unit (pt) otherwise.
Render points with fixed real world or screen space size.
See https://developers.arcgis.com/web-scene-specification/objects/pointCloudFixedSizeAlgorithm/.