The landscape in CoD is already so good that I often found myself enjoying the beauty of it as seen from the air. But having become more and more formiliar with COD visually, I think that as far as trees and woods go, there is still big room for improvement.
By examining the aerial landscape photos, we can find two imperfections of the CoD trees:
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1 -
The colours of the CoD trees and woods are not dark enough. Trees and woods should generally look darker than the ground.
(Almost all the picutres posted above illustrate this point.)
2 -
The colours of the CoD woods lack the variation in colour found in real woods (in a bird's-eye view), the variation, in fine art terms, being often a sort of cold colour & warm colour alteration. The colour variation is sometimes very conspicuous but at least easily decernable.

Here the woods' colours display evident variation both in a lightness-darkness manner and in a coldness-warmness manner. As to the latter aspect, browns and yellowish greens are abundant among vaious shades of green. Even trees of the very same type will be well likely to display different colours, since some trees grow earlier, some better, etc.

Tree colours in the woods, in this picture, show very little lightness-darkness variation, but some trees look more cold-coloured (bluish, or cyan-ish) and others more warm-coloured (yellowish). The warm-cold colour variation would be more prominent if the exposure of this photo had been less, considering the very strong sunlight, as shown below.

In CoD, the colours of trees look almost indetical. Of course, the computer draws such extremely monotonous trees faster than better looking ones - I know it. But to what extent will the game fps be slowed down if some variation is added? Perhpas it's worthwhile to do.
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Some CoD trees and woods, mostly from the screenshots thread, for easy reference:
http://forum.1cpublishing.eu/attachm...1&d=1335604872
http://s14.directupload.net/images/120303/ogxvt6x9.jpg
http://i738.photobucket.com/albums/x...antPhalanx.jpg
and from a recent thread:
http://i8.photobucket.com/albums/a23...5-17_00002.jpg
If these two shortcomings are overcome, CoD's landscape will be even more beautiful!
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