It seems we have some cases where the ufo trick ctrl-alt-click does not report 
the correct landclass - I would assume that the underlying call is geodinfo() 
going wrong.


http://www.flightgear.org/forums/viewtopic.php?f=5&t=19113

The theme seems to be that if I have two different materials defined using the 
same base texture (I may want to do so because forest cover, random buildings, 
overlay textures, friction properties,... are still different), then geodinfo() 
can confuse them by looking for the first material in the list that has the 
texture I clicked on.

It's probably not hugely disastrous in most cases (if you use the same texture, 
other properties like the amount of convection generated as used by weather or 
the roughness or whatever are likely not dramatically different), but it's 
something to keep in mind.

* Thorsten
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