# \#World-Composition **URL:** https://forums.unrealengine.com/tag/world-composition/4951.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Why does Unreal 5 insist on bringing back stuff I deleted?](https://forums.unrealengine.com/t/why-does-unreal-5-insist-on-bringing-back-stuff-i-deleted/589790)
**Author:** [@Xoremus](https://forums.unrealengine.com/u/Xoremus)\ **Replies:** 13\ **Last updated:** [August 31, 2026, 5:31am UTC](https://forums.unrealengine.com/t/why-does-unreal-5-insist-on-bringing-back-stuff-i-deleted/589790 "2026-08-31T05:31:52Z")
Everytime I delete something from the outliner, I SAVE, and come back in and the same things I deleted are back again. Why is this happening, it is truly annoying. To top it off it is cluttering up things. Is this a know… --- ## [Moving landscapes while in play and using world composition](https://forums.unrealengine.com/t/moving-landscapes-while-in-play-and-using-world-composition/452261)
**Author:** [@Minimantis007](https://forums.unrealengine.com/u/Minimantis007)\ **Replies:** 1\ **Last updated:** [December 31, 2025, 11:23am UTC](https://forums.unrealengine.com/t/moving-landscapes-while-in-play-and-using-world-composition/452261 "2025-12-31T11:23:20Z")
I am using world composition and level streaming in my project and I want to know if it is possible to move the landscapes while the game is in play. If you need anymore info please ask! Thanks for all the help in adva… --- ## [How can I use the Wave Function Collapse functionality?](https://forums.unrealengine.com/t/how-can-i-use-the-wave-function-collapse-functionality/544318)
**Author:** [@dellis23](https://forums.unrealengine.com/u/dellis23)\ **Replies:** 9\ **Last updated:** [October 5, 2025, 4:23am UTC](https://forums.unrealengine.com/t/how-can-i-use-the-wave-function-collapse-functionality/544318 "2025-10-05T04:23:24Z")
I saw this during the state of unreal talks and got excited about it. The documentation on this seems sparse, and I can’t find any tutorials on it. I’ve enabled the plugin, but I can’t figure out how to make a WFCModel… --- ## [Can I use OFPA and WorldComposition together?](https://forums.unrealengine.com/t/can-i-use-ofpa-and-worldcomposition-together/2647640)
**Author:** [@Drake.Wang](https://forums.unrealengine.com/u/Drake.Wang)\ **Replies:** 2\ **Last updated:** [August 28, 2025, 3:30am UTC](https://forums.unrealengine.com/t/can-i-use-ofpa-and-worldcomposition-together/2647640 "2025-08-28T03:30:40Z")
Can I use OFPA and WorldComposition together? --- ## [What is the best way to import a 32k (32 x 32 1024px tiles) 104.6km landscape from Gaea?](https://forums.unrealengine.com/t/what-is-the-best-way-to-import-a-32k-32-x-32-1024px-tiles-104-6km-landscape-from-gaea/2630517)
**Author:** [@BenVolo](https://forums.unrealengine.com/u/BenVolo)\ **Replies:** 3\ **Last updated:** [August 5, 2025, 6:58am UTC](https://forums.unrealengine.com/t/what-is-the-best-way-to-import-a-32k-32-x-32-1024px-tiles-104-6km-landscape-from-gaea/2630517 "2025-08-05T06:58:22Z")
What is the best way to import a 32k (32 x 32 1024px tiles) 104.6km landscape from Gaea? I have seen only tutorials that attempt to scale up a 4k landscape with very small tiles, might as well import a single 4k map at t… --- ## [Level Streaming Optimizer plugin](https://forums.unrealengine.com/t/level-streaming-optimizer-plugin/1675983)
**Author:** [@UsefulCode](https://forums.unrealengine.com/u/UsefulCode)\ **Replies:** 5\ **Last updated:** [June 6, 2025, 3:17pm UTC](https://forums.unrealengine.com/t/level-streaming-optimizer-plugin/1675983 "2025-06-06T15:17:06Z")
Fab page Documentation Discord Get rid of freezes and set up the correct budget for the Level Streaming system in your project. Each project is unique and there is no budget that suits everyone. Howeve… --- ## [PCG very low fps - optimization / tutorial advice?](https://forums.unrealengine.com/t/pcg-very-low-fps-optimization-tutorial-advice/1826480)
**Author:** [@snake1804](https://forums.unrealengine.com/u/snake1804)\ **Replies:** 3\ **Last updated:** [March 29, 2025, 9:15am UTC](https://forums.unrealengine.com/t/pcg-very-low-fps-optimization-tutorial-advice/1826480 "2025-03-29T09:15:14Z")
Hello everyone, I would like to create a large forest environment for a game project using a PCG volume. Unfortunately, I run into low FPS (~25 fps\] very early on in the process. Nanite is active for all meshes and I´ve… --- ## [How can i use RVT runtime virtual texture in world composition](https://forums.unrealengine.com/t/how-can-i-use-rvt-runtime-virtual-texture-in-world-composition/462104)
**Author:** [@HERO4K60](https://forums.unrealengine.com/u/HERO4K60)\ **Replies:** 10\ **Last updated:** [March 13, 2025, 4:08pm UTC](https://forums.unrealengine.com/t/how-can-i-use-rvt-runtime-virtual-texture-in-world-composition/462104 "2025-03-13T16:08:09Z")
How can i use RVT runtime virtual texture in world composition thank in advice --- ## [Can´t enable world partition](https://forums.unrealengine.com/t/can-t-enable-world-partition/484387)
**Author:** [@Luis\_564](https://forums.unrealengine.com/u/Luis_564)\ **Replies:** 3\ **Last updated:** [December 19, 2024, 3:02pm UTC](https://forums.unrealengine.com/t/can-t-enable-world-partition/484387 "2024-12-19T15:02:40Z")
Well, just that, I tried every way posible, documentation, videos, but It’s like the option is disabled, I can’t click on it or do anything --- ## [Terrain Flickering (Editor, 10x10x505 Tiles from World Machine)](https://forums.unrealengine.com/t/terrain-flickering-editor-10x10x505-tiles-from-world-machine/456188)
**Author:** [@Raidfire.Net](https://forums.unrealengine.com/u/Raidfire.Net)\ **Replies:** 5\ **Last updated:** [December 10, 2024, 3:07am UTC](https://forums.unrealengine.com/t/terrain-flickering-editor-10x10x505-tiles-from-world-machine/456188 "2024-12-10T03:07:15Z")
Hi Guys, i have created a terrain with world machine and imported it as world composed tiled landscape into a ue4 third person test project. Now i see terrain flickering at the end of the terrain. The Size is 5km x 5km… --- ## [Should I use World Partition/Composition for median-sized world?](https://forums.unrealengine.com/t/should-i-use-world-partition-composition-for-median-sized-world/2166868)
**Author:** [@Noisegrinder](https://forums.unrealengine.com/u/Noisegrinder)\ **Replies:** 7\ **Last updated:** [December 5, 2024, 9:55am UTC](https://forums.unrealengine.com/t/should-i-use-world-partition-composition-for-median-sized-world/2166868 "2024-12-05T09:55:57Z")
Key points: The map size would be around 1.5km x 1.5km. Neither an entirely open world nor totally linear corridors. It’s somewhere in between. Low-poly models all around, targeting lower-end PCs Landscape may be used … --- ## [Delete Layer in World Composition](https://forums.unrealengine.com/t/delete-layer-in-world-composition/411508)
**Author:** [@MikeRPG](https://forums.unrealengine.com/u/MikeRPG)\ **Replies:** 2\ **Last updated:** [November 29, 2024, 5:58pm UTC](https://forums.unrealengine.com/t/delete-layer-in-world-composition/411508 "2024-11-29T17:58:03Z")
I’m in custom 4.15.1. Wondering if there’s a way to delete a layer I created or if there’s a way to view all the layers in a list because I will likely have many different layers and I don’t want to have to disable worl… --- ## [Extinction Nest](https://forums.unrealengine.com/t/extinction-nest/2116814)
**Author:** [@dottorgrasso](https://forums.unrealengine.com/u/dottorgrasso)\ **Replies:** 2\ **Last updated:** [November 20, 2024, 5:33am UTC](https://forums.unrealengine.com/t/extinction-nest/2116814 "2024-11-20T05:33:22Z")
Finally I’ve found some time to dedicate for some personal project and this time I decided to shoot a SCI-FI Horror short scene using different tools at my disposal. First off everything is rendered in Lumen Hardware Ray… --- ## [Landscape layers with world composition error: Landscape actor is not loaded](https://forums.unrealengine.com/t/landscape-layers-with-world-composition-error-landscape-actor-is-not-loaded/461906)
**Author:** [@WILDLAND-IA-DEV](https://forums.unrealengine.com/u/WILDLAND-IA-DEV)\ **Replies:** 6\ **Last updated:** [October 31, 2024, 11:38pm UTC](https://forums.unrealengine.com/t/landscape-layers-with-world-composition-error-landscape-actor-is-not-loaded/461906 "2024-10-31T23:38:41Z")
It’s getting snagged on line 2655 in LandscapeEdMode.cpp. All landscapes are definitely loaded in the editor. I’ve tried making them current. Can’t figure how to fix this other than reverting and losing a bunch of work… --- ## [How to fix disappearing landscape in 5.3 Electric Dreams?](https://forums.unrealengine.com/t/how-to-fix-disappearing-landscape-in-5-3-electric-dreams/2091100)
**Author:** [@Miguel1900](https://forums.unrealengine.com/u/Miguel1900)\ **Replies:** 0\ **Last updated:** [October 27, 2024, 5:46pm UTC](https://forums.unrealengine.com/t/how-to-fix-disappearing-landscape-in-5-3-electric-dreams/2091100 "2024-10-27T17:46:52Z")
Hi all, Please, do you know why, in UE5.3, the landscape is disappearing when the game is packaged? Not in all projects, so you can check it specifically when packaging the Electric Dreams demo. I need to stay in 5.3, … --- ## [Increased Delay since level converted to World Partition](https://forums.unrealengine.com/t/increased-delay-since-level-converted-to-world-partition/624052)
**Author:** [@cosmogonies](https://forums.unrealengine.com/u/cosmogonies)\ **Replies:** 7\ **Last updated:** [August 11, 2024, 4:41pm UTC](https://forums.unrealengine.com/t/increased-delay-since-level-converted-to-world-partition/624052 "2024-08-11T16:41:06Z")
Hi there, I just converted a huge level to a World-Partition. I notice a delay between hitting on the play button on the editor, and the effective start playing. Before that, on one vast level, the delay was 3 seconds. … --- ## [Tiled landscape LOD and the seams](https://forums.unrealengine.com/t/tiled-landscape-lod-and-the-seams/477016)
**Author:** [@redgiantstar.com](https://forums.unrealengine.com/u/redgiantstar.com)\ **Replies:** 5\ **Last updated:** [August 2, 2024, 5:54pm UTC](https://forums.unrealengine.com/t/tiled-landscape-lod-and-the-seams/477016 "2024-08-02T17:54:05Z")
Is there a way to avoid seeing the seams in LODs? Except fog or similar solutions. Landscape created in World Maschine Pro. Z axis scaled 1600%, that doesn’t matter, the seams are also visible in 100% scaled terrain.… --- ## [Runtime Virtual Textures and cell size - ???](https://forums.unrealengine.com/t/runtime-virtual-textures-and-cell-size/1813511)
**Author:** [@RLK\_III](https://forums.unrealengine.com/u/RLK_III)\ **Replies:** 0\ **Last updated:** [April 21, 2024, 4:55am UTC](https://forums.unrealengine.com/t/runtime-virtual-textures-and-cell-size/1813511 "2024-04-21T04:55:04Z")
I am hoping I either screwed something up along the way or this is an issue which will be addressed later, but when I run virtual textures on my landscape, I can adjust the sizes so things look decent at a distance, but … --- ## [Ultra Hard Shadows in nanite meshes with lumen](https://forums.unrealengine.com/t/ultra-hard-shadows-in-nanite-meshes-with-lumen/1806053)
**Author:** [@Fere201](https://forums.unrealengine.com/u/Fere201)\ **Replies:** 2\ **Last updated:** [April 16, 2024, 10:40am UTC](https://forums.unrealengine.com/t/ultra-hard-shadows-in-nanite-meshes-with-lumen/1806053 "2024-04-16T10:40:53Z")
Hi there! I was trying to use nanite meshes from Bridge in my scene, but encountered ultra hard shadows only on those meshes, normal meshes like the mannequin or cubes appear to be correct. Does someone know how to fix … --- ## [Last Eclipse - First try for realistic cinematic short](https://forums.unrealengine.com/t/last-eclipse-first-try-for-realistic-cinematic-short/1667382)
**Author:** [@Mozomino](https://forums.unrealengine.com/u/Mozomino)\ **Replies:** 5\ **Last updated:** [March 13, 2024, 10:05am UTC](https://forums.unrealengine.com/t/last-eclipse-first-try-for-realistic-cinematic-short/1667382 "2024-03-13T10:05:37Z")
Hi Everyone, for the past couple months I was working on a personal project called “Last Eclipse” which I would like to share with all of you. As I am mainly working as a developer, I wanted to try myself out from the … --- ## [Rescaling Level](https://forums.unrealengine.com/t/rescaling-level/581590)
**Author:** [@vivekchakraverty](https://forums.unrealengine.com/u/vivekchakraverty)\ **Replies:** 13\ **Last updated:** [February 6, 2024, 7:25pm UTC](https://forums.unrealengine.com/t/rescaling-level/581590 "2024-02-06T19:25:36Z")
I built a roller-ball game level that was quite a bit smaller in dimensions than the ball. I scaled down the ball but it resulted in an unpredictable game controller with much weirdness. if scaling is the issue is there … --- ## [UE4 Complex road intersections using splines](https://forums.unrealengine.com/t/ue4-complex-road-intersections-using-splines/507085)
**Author:** [@anonymous\_user\_09560234](https://forums.unrealengine.com/u/anonymous_user_09560234)\ **Replies:** 3\ **Last updated:** [January 20, 2024, 3:05am UTC](https://forums.unrealengine.com/t/ue4-complex-road-intersections-using-splines/507085 "2024-01-20T03:05:01Z")
Hi, so I’m new a fresh meatbag in the space of Unreal Engine and Game Engines in general. I’m looking at recreating my hometown pseudo accurately to real life. I have run into an issue with using UE4’s landscape splines… --- ## [How can i fix the grass tool when applying RVT with world composition?](https://forums.unrealengine.com/t/how-can-i-fix-the-grass-tool-when-applying-rvt-with-world-composition/1571172)
**Author:** [@CupofCoffee](https://forums.unrealengine.com/u/CupofCoffee)\ **Replies:** 2\ **Last updated:** [December 31, 2023, 10:07am UTC](https://forums.unrealengine.com/t/how-can-i-fix-the-grass-tool-when-applying-rvt-with-world-composition/1571172 "2023-12-31T10:07:56Z")
Hello!, I’m using UE4, version is 4.27. i’m decorating the world using 16 heightmaps with world composition. and the world’s size is 4033x4033. i’ve procedurally generated grass on a specific layer using landscape gra… --- ## [Animation jitter when far away from world origin](https://forums.unrealengine.com/t/animation-jitter-when-far-away-from-world-origin/332645)
**Author:** [@jonimake](https://forums.unrealengine.com/u/jonimake)\ **Replies:** 19\ **Last updated:** [December 25, 2023, 4:55pm UTC](https://forums.unrealengine.com/t/animation-jitter-when-far-away-from-world-origin/332645 "2023-12-25T16:55:10Z")
This can apparently be fixed by using world origin rebasing, too bad I can’t use it because the game is supposed to be a multiplayer game. The weapon is attached to the hand\_r bone and hand\_r bone is transformed so that… --- ## [Crash Landscape proxy tesselation UE4.26](https://forums.unrealengine.com/t/crash-landscape-proxy-tesselation-ue4-26/769375)
**Author:** [@Reon22](https://forums.unrealengine.com/u/Reon22)\ **Replies:** 1\ **Last updated:** [November 28, 2023, 10:28pm UTC](https://forums.unrealengine.com/t/crash-landscape-proxy-tesselation-ue4-26/769375 "2023-11-28T22:28:30Z")
Im using world composition with multiple levels. When i select my landscape source and i try to configure the tesselation settings, if any landscapes proxies are loads in the editor it will crash instantly with this er… --- ## [Any way to get 5.3 to run at same speed as 4.26?](https://forums.unrealengine.com/t/any-way-to-get-5-3-to-run-at-same-speed-as-4-26/1406348)
**Author:** [@MajorTom6000](https://forums.unrealengine.com/u/MajorTom6000)\ **Replies:** 8\ **Last updated:** [November 20, 2023, 6:50pm UTC](https://forums.unrealengine.com/t/any-way-to-get-5-3-to-run-at-same-speed-as-4-26/1406348 "2023-11-20T18:50:41Z")
So I have tried porting my 4.26 project to 5.3.2. But it runs slower. In 4.26 I get 70 fps with 4000 draw calls and 6 million polys in 4.26 and 17fps with 1.3 million polys and 2500 draw calls for the same view in 5.3 (… --- ## [COMMISSION](https://forums.unrealengine.com/t/commission/1320036)
**Author:** [@AEVANaya](https://forums.unrealengine.com/u/AEVANaya)\ **Replies:** 0\ **Last updated:** [October 2, 2023, 3:36pm UTC](https://forums.unrealengine.com/t/commission/1320036 "2023-10-02T15:36:16Z")
Hello everyone, I’m looking someone who can implement a real life footage into a ready environment in UE. For more info please contact me with your portfolio via Discord → cheerstonaya --- ## [Navmeshes from streaming levels are not loaded if Persistent level has no Nav Bounds Volumes](https://forums.unrealengine.com/t/navmeshes-from-streaming-levels-are-not-loaded-if-persistent-level-has-no-nav-bounds-volumes/326936)
**Author:** [@rajkosto](https://forums.unrealengine.com/u/rajkosto)\ **Replies:** 8\ **Last updated:** [November 7, 2023, 9:02am UTC](https://forums.unrealengine.com/t/navmeshes-from-streaming-levels-are-not-loaded-if-persistent-level-has-no-nav-bounds-volumes/326936 "2023-11-07T09:02:44Z")
When using world composition, the only map that loads if you load the persistent map is the persistent map. I have nothing in my persistent map save for a directional light and some clouds. All the actual geometry is i… --- ## [City Sample Popping LOD](https://forums.unrealengine.com/t/city-sample-popping-lod/587643)
**Author:** [@Lenscowboy](https://forums.unrealengine.com/u/Lenscowboy)\ **Replies:** 4\ **Last updated:** [October 12, 2023, 2:47pm UTC](https://forums.unrealengine.com/t/city-sample-popping-lod/587643 "2023-10-12T14:47:00Z")
Hi guys, I’m doing some RnD and rendering out sequences of the city sample. So far so good but the very last shot I’m doing is a wide of the city from a heli/drone pov. There are a couple of building to the lower left… --- ## [Constant World Translations when determining Height above Terrain](https://forums.unrealengine.com/t/constant-world-translations-when-determining-height-above-terrain/1321593)
**Author:** [@seeyouanteeius](https://forums.unrealengine.com/u/seeyouanteeius)\ **Replies:** 7\ **Last updated:** [October 10, 2023, 10:29pm UTC](https://forums.unrealengine.com/t/constant-world-translations-when-determining-height-above-terrain/1321593 "2023-10-10T22:29:55Z")
Hi. Firstly, I was trying to retreive current terrain altitude as in this topic: \[How to get altitude above terrain - How to get altitude above terrain - #3 by Raffaele\_Bortoli - Cesium for Unreal - Cesium Community (sho… [Next page](https://forums.unrealengine.com/tag/world-composition/4951.md?match_all_tags=true&page=1&tags%5B%5D=World-Composition)