Couple things I've noticed with 2.4.0:

- the dirt texture maps to rock - which makes KOAK look very strange  as there 
is a thin dirt barrier between the airport and the ocean which is now mapped to 
rock. "Rock" and "dirt" are two different concepts. Unfortunately, a lot of the 
time remotely sensed data only picks up "barren" land cover, meaning it's hard 
to distinguish between "dirt" and "rock". I've probably been messing up this 
classification in what terrain I've been sending in. I believe "dirt" should 
map to "dirt", "rock" to "rock" and "barren" to some unknown texture, perhaps 
again "rock" - but 'dirt' needs to be 'dirt'. I'll start sending in unknowns as 
"barren" unless someone has a better idea, though.

- the golf course material is stretched too wide and needs to be tightened up 
in materials.xml. I'd make this fix but don't have access to the repositories.

- same with the bright green evergreen texture. I believe this texture has been 
with the program for a very long time and it needs to make its way out. I 
created a texture based on USGS aerial imagery from around the Portland area. 
Thorsten made an adjustment: 
http://flightgear.org/forums/viewtopic.php?f=19&t=11612&start=15

The current mossy green texture is in the start of the thread. Anyways, I hope 
someone is able to commit that change to git as it's much better.

- this is just sort of a general complaint considering you can switch them on 
and off as you need, but the landmass shader and the crop texture shader don't 
really work when dealing with specific and detailed parts of the world. The 
crop texture looks good for European scenery but when  dealing with the 
American West doesn't create a realistic landscape, while the landmass shader 
doesn't distinguish between forest types, obvious when flying over Portland's 
Forest Park (the hills to the west of the airport). In other areas they make a 
big difference however.

I apologize for not being able to make these changes, hopefully someone agrees 
and can make them on my behalf.

Cheers
John

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