topic Re: Maps loading partially using a custom GameMode Override in ArcGIS Maps SDK for Unreal Engine Questions

Maps loading partially using a custom GameMode Override

VictorCM — Fri, 09 Feb 2024 12:44:35 GMT

Hi, we are working on a project that involves drone simulation into Unreal Engine 5 using AirSim, more specifically its successor for UE5 Colosseum, which implies changing the GameMode Override. As soon as the simulation starts, the map loads only partially, corresponding to the tiles located in the pawn camera FOV at the very start of the simulation.

We have tested increasing the player start Z value as recommended in ESRI documentation, as well as increasing the Quality Scaling Factor, but it appears the problem lies in tile culling, which we wonder if it could be disabled, similarly as for Cesium Ion UE plugin, which allows for that option.

The attached images show how neither the base map nor the mesh are load "behind" the drone start when the simulation is launched, corresponding the latter to the opposite direction to the red axis. Is there a way of disabling the occlusion from those tiles outside the camera view? If so, can it be set for a radius around the pawn?

Thank you in advance.

Re: Maps loading partially using a custom GameMode Override

MichaelBranscomb — Tue, 20 Feb 2024 11:14:22 GMT

Hi,

This sounds like a great project, sorry to see it's not working as you expect.

Can you provide more information about what you're trying to achieve, for example is it two views, one forward-facing and one rear-facing, that are simultaneously updating? Or is the data just not updating for a singe view as the field of view changes?
Can you confirm you're using the latest version, v1.4?
Have you tried using the ArcGISView SetViewportProperties method? Although I believe the maximum value for the horizontalFieldOfViewDegrees property is 120 degrees.

Thanks

Re: Maps loading partially using a custom GameMode Override

VictorCM — Fri, 23 Feb 2024 10:22:14 GMT

Hi Michael,

Thanks for your help. Answering to your questions:

I am trying to have the whole map loaded when starting the simulation on the custom GameMode Override. The views I'm interested in are the drone's front-facing camera and a 3rd person view of the drone, as a spring arm chase. This is a default mode for AirSim, which works great with manually added meshes as well as streamed meshes through the Cesium for Unreal plugin (disabling tile culling, as otherwise only what's in the drone's camera view is tiled, dynamically changing but still a problem using 3rd person view of the drone). However, when using the SDK only the tiles in the front facing camera at the first instant of the simulation are tiled, with no updates when moving the drone around. I have tested without the custom GameMode Override and the maps load fine.
Yes, I am using the latest version 1.4.
I have explored expanding the FOV but the issue remains as those tile out of it at the first instant of the simulation won't load at all.

Re: Maps loading partially using a custom GameMode Override

MichaelBranscomb — Tue, 27 Feb 2024 11:53:22 GMT

It sounds like when you don't have the custom GameMode Override, then all map content loads fine for both the front-facing camera and a 3rd person view of the drone?

It's possible something specific about the custom game mode isn't triggering the map to fetch more data. Can you share more details about the custom GameMode? (if you're not able to share this info here, feel free to email me at mbranscomb@esri.com.

Thanks

Re: Maps loading partially using a custom GameMode Override

Ammar361421 — Tue, 07 Jan 2025 11:33:24 GMT

Hello @VictorCM ,

I encountered a similar issue and was able to resolve it by following these steps:

Remove the default pawn created by the ArcGIS SDK camera.
Create an empty actor in your level.
Add the ArcGIS camera to the newly created empty actor.
Add this empty actor to your level.
From your main pawn (3rd person), on the Event Tick, capture the camera's rotation and location from under the spring arm.
Apply the captured camera location and rotation to the empty actor that contains the ArcGIS camera.

I hope this will help you 🙂