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====== ArmA 2 Large Terrain Limits ======

[[https://www.pmctactical.org/forum/viewforum.php?f=50|ArmA 2 Forum]], [[:arma2|ArmA 2 Home]], [[arma2:config|ArmA 2 Config]], [[arma2:file_formats|ArmA 2 File Formats]], [[arma2:missions|ArmA 2 Missions]], [[arma2:modeling|ArmA 2 3D Modeling]], [[arma2:scripting|ArmA 2 Scripting]], [[arma2:terrain|ArmA 2 Terrain]], [[arma2:texturing|ArmA 2 Texturing]], [[arma2:tools|ArmA 2 Tools]]

**ArmA 2 Large Terrain Limits**

Miro said that Take On Helicopters had 61,000 resolution satellite texture and it works fine. So regarding satellite there is not very small limits at least (though editing 61k image in photoshop will be horror).

^ Grid Size ^ Cell Size ^ Satellite Resolution ^ Satellite Segment Size ^ Texture Layer Size ^ Object Count ^ Result ^
| 4096 | 25m | 20480 | 512 | 50m | 500k+ | {error} LandGrid reference exceeded |
| 4096 | 25m | 20480 | 512 | 100m | 1.5million+ | works OK! |
| 4096 | 25m | 40960 | 512 | 100m | 1.5million+ | works OK! |
| 4096 | 50m | 40960 | 512 | 100m | 0 | works OK! |
| 4096 | 50m | 40960 | 512 | 100m | 1.5million+ | {error} LandGrid reference exceeded |
| 4096 | 50m | 40960 | 512 | 200m | 1.5million+ | looks OK, Viewdistance >2.5km white textures |
| 4096 | 50m | 40960 | 512 | 200m | 0 | looks OK, Viewdistance >2.5km white textures |
| 4096 | 50m | 40960 | 1024 | 100m | 0 | works OK! |
| 4096 | 50m | 40960 | 1024 | 100m | 500k+ | {error} LandGrid reference exceeded |
| 4096 | 50m | 40960 | 1024 | 200m | 0 | looks OK, Viewdistance >4.5km white textures (few) |
| 4096 | 50m | 40960 | 2048 | 200m | 0 | 2.16gb pbo, Viewdistance 10km white textures (many) |
| 4096 | 25m | 12800 | 512 | 50m | 0 | works OK! |
| 4096 | 25m | 12800 | 512 | 50m | 2.5million+ | {error} LandGrid reference exceeded |
| 4096 | 25m | 12800 | 512 | 100m | 2.5million+ | 512 segment size not fit to config |
| 4096 | 25m | 12800 | 1024 | 100m | 2.5million+ | Exception code: C00000FD STACK_OVERFLOW at 75C86FC3 when loading terrain, but binarize RPT clean |
| 4096 | 25m | 12800 | 1024 | 100m | 1.5million+ | works OK! |
| 4096 | 25m | 40960 | 512 | 100m | 1.5million+ | works OK! |

Also somewhat related here; when using [[:tools:wilbur|Wilbur]] to make terrain heightmap, with noise 5% it is too rough and ArmA 2 engine cant handle it, it causes crash (looks very rough elevated in Visitor 3 mapview).