> I would have expected the land to be on the coast almost the same value 
> as the sea, but there is a definite sharp change from light gray(sea) to 
> dark gray(land), and that can be seen on all coasts...

Nevermind...  I fixed it...  after rereading again and again the 
documentation, I found out that the sea area, has the value -9999 (no 
data has been registered for the area)...  since the lowest plance on 
earth is at -400 meters I think. This give a value of -30, so I just 
changed all -9999 to 0 and BINGO!  I get a perfect heightfield of europe!

Though my program can only output a 8bit bmp...  I'll work out a way to 
write a Grayscale PNG of 16bit!

See ya!
   Xilo

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