I am currently working on a 3D city visualization project using UE (Unreal Engine) and Cesium. Currently, I use pixel streaming to display the scene on the web. Is there an open-source tool or plugin that allows for online scene editing? For example, if an area is initially an empty lot and a year later, a building is constructed there, could the client edit the scene online to add this new building while also being able to adjust its size, position, material, etc., rather than relying on developers to update the scene using the UE editor? Of course, this kind of online update would only be suitable for minor adjustments to the scene.
If there isn’t an existing tool or plugin, how could this be implemented? Please provide some guidance or ideas for realization.