Hi Glenn,
Well, since a UTM zone represents a vertical "slice" of the earth, it
won't be perfectly rectangular -- in the northern hemisphere, the width
at the north side (in meters) is less than the width at the south. Since
a TIFF is rectangular, you see borders. The only way to compensate would
be to stitch multiple areas together and then crop out a rectangular
region. Does that answer your question?
I gathered that was the reason, but didn't know what could be done about
it.
I don't know what you mean by "higher".
Well, the places where there is no data get rendered as higher terrain
than the bottom of the ocean... Sorry for the simplistic terms.
Z=0 at sea level.
Excellent. Thanks
J-S
--
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Jean-Sebastien Guay [EMAIL PROTECTED]
http://www.cm-labs.com/
http://whitestar02.webhop.org/
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