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|AXiN|

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If you go into HoI/gfx/map you'll see files you need to alter. The only restriction I'm aware of is that AA and Radar share the area they cover, so neither can get too big.
 

|AXiN|

General
93 Badges
Apr 3, 2003
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The airbase and the two ports have icons for occupied and unoccupied - just look at the number of icons in the file, and divide the width of the picture by that number, to get the maximum size for a replacement icon.
 

Epaminondas

Who?
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Yes, but nothing greater than than 24 bit resolution.
I should also mention that there are already a large number of alternative icons available if you don't want to go to the trouble of creating your own.