3D Building Cityscape in Cesium

Cesium for Unreal
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Hi! I have actually used Cesium in my recent archviz project in unreal and I just wish that the city that the project is in was in 3D the same as London. I mean that the landscape of Tbilisi, Georgia is intact but the buildings are all flat. I know that Cesium has only couple of cities only in 3D but is there a way to create this in Unreal? Because I have seen people making it with the cities that do not have this 3D buildings data in for example Google Earth but they made a project in Unreal

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Hi @Anna_Nutsubidze, welcome to the community!

There are other providers of 3D city models, such as a Vexcel and Aerometrex. I don’t know whether they have the city you’re interested in. These companies may even be able to help you create a custom model of your city, if you have the budget (this process involves, in short, flying a plane around the city to capture a lot of images, and then running a computationally-intensive process to turn the images into a 3D model).

Some cities have created their own 3D models and released them as open data. If such a model exists for yours, you can turn it into 3D Tiles (if it’s not already) by uploading it to Cesium ion.

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Hi Kevin!
Thank you so much for this information. Yeah, I do not think that I have the funds to fly a plane across the city alone but I think that I need to go to the city hall and talk to them in this case, because they do have a better orthomap shot themselves for their purposes. Maybe I can get a shot collaborating with them. In case if I get the photos, will you be able to make Tbilisi into Cesium 3D? Or it requires some other service too

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Creating a quality 3D model usually requires a lot of pictures, from a lot of different angles. And having good information about the pose from which each picture was taken is helpful, too. I don’t think an orthomap would be sufficient. I’m not an expert in this - I haven’t done it myself, and I get the impression it’s a significant undertaking - but people often use software like iTwin Capture to create the model once they have the necessary raw data: