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[Resource] Grid Cells and Sizes Information

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arma:terrain:grid_cell_size
Terrain Grid and Cell Sizes

Terrain grid and cell sizes explained by Snake Man, PMC.

If you do not know how large your terrain is, or someone is reporting on the forums that he made this and that sized terrain, here is the table to once and for all explain to you how big (or small) is a terrain of certain specification.

Grid size is the important factor as OFP/ArmA (and so far that we've heard ArmA 2 also) engines only handle power of two grid sizes.
Grid size Cell size km x km Square km
4096 	50 	204.8 	41943.04
4096 	40 	163.8 	26843.55
4096 	30 	122.8 	15099.49
4096 	20 	81.9 	6710.886
4096 	10 	40.9 	1677.722
4096 	8 	32.7 	1073.742
4096 	6 	24.5 	603.9798
4096 	4 	16.3 	268.4355
Grid size Cell size km x km Square km
2048 	50 	102.4 	10485.76
2048 	40 	81.9 	6710.8864
2048 	30 	61.4 	3774.8736
2048 	20 	40.9 	1677.7216
2048 	10 	20.4 	419.4304
2048 	8 	16.3 	268.435456
2048 	6 	12.2 	150.994944
2048 	4 	8.1 	67.108864
Grid size Cell size km x km Square km
1024 	50 	51.2 	2621.44
1024 	40 	40.9 	1677.7216
1024 	30 	30.7 	943.7184
1024 	20 	20.4 	419.4304
1024 	10 	10.2 	104.8576
1024 	8 	8.1 	67.108864
1024 	6 	6.1 	37.748736
1024 	4 	4 	16.777216
Grid size Cell size km x km Square km
512 	50 	25.6 	655.36
512 	40 	20.4 	419.4304
512 	30 	15.3 	235.9296
512 	20 	10.2 	104.8576
512 	10 	5.1 	26.2144
512 	8 	4 	16.777216
512 	6 	3 	9.437184
512 	4 	2 	4.194304
Grid size Cell size km x km Square km
256 	50 	12.8 	163.84
256 	40 	10.2 	104.8576
256 	30 	7.6 	58.9824
256 	20 	5.1 	26.2144
256 	10 	2.5 	6.5536
256 	8 	2 	4.194304
256 	6 	1.5 	2.359296
256 	4 	1 	1.048576

And so far I've never seen anybody do smaller than 256 grid size terrains, but maybe at this point you can already calculate yourself how small those terrains would be.

All BIS made terrains were as follows:
Name Grid size Cell size km x km Square km
OFP islands 	256 	50 	12.8 	163.84

ArmA and ArmA 2 terrain information has been disabled now as the info we get from WRP doesn't compare with what we have ingame. For example ingame Chernarus is 15.3km x 15.3km in size, however the WRP says grid 2048 and cell 30m… Stay tuned :)
arma/terrain/grid_cell_size.txt · Last modified: 2009-06-24 10:42 (external edit)



Original link: http://webcache.googleusercontent.com/search?q=cache:OFomozroRkAJ:pmc.editing.wiki/doku.php%3Fid%3Darma:terrain:grid_cell_size&num=1&hl=en&gl=ca&strip=1&vwsrc=0

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Dead site? What are you talking about dead site?

PMC Editing Wiki is up and will never go down (as in stopped, put down, quit etc).

We just recently changed web hosting company, if there are some problems reaching any of the PMC sites, please let me know preferably in private message so I get email notification about it (quicker than randomly seeing new topic).

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Dead site? What are you talking about dead site?

PMC Editing Wiki is up and will never go down (as in stopped, put down, quit etc).

We just recently changed web hosting company, if there are some problems reaching any of the PMC sites, please let me know preferably in private message so I get email notification about it (quicker than randomly seeing new topic).

 

Yeah I thought same thing as I was on the page the other day

http://pmc.editing.wiki/doku.php?id=arma:terrain:grid_cell_size

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