On Wed, Jan 28, 2009 at 9:43 PM, Gustav Foseid gust...@gmail.com wrote:
In West Africa, I have noticed that mangrove forests are often tagged as sea
by PGS. Some examples are found at:
Landsat also produces images outside of the visibile light spectrum,
perhaps looking at these others could
On Thu, Jan 29, 2009 at 12:41 PM, Erik Johansson e...@kth.se wrote:
Landsat also produces images outside of the visibile light spectrum,
perhaps looking at these others could help? (How to access these, and
if it really works I don't know).
I downloaded Landsat images of Banjul from
I noticed the same issue on South America's eastcoast and large river
mounds too...
I think there's no easy solution because the color of mangrove forests and
the sea
are too near to one another...
Using josm's lakewalker to trace sea/island there' s a
maximum gray value to count as water one
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