>
> ... but basically I came to the conclusion that when people talk about an
> area of something on Earth they really mean the area of a projection (am i
> right about that?) and so i need to specify a projection before getting a
> meaningful area. So i ended up with this code:
>
> wkt = "POLYGON
orld you
are, but if you tell me, I can probably make some suggestions.
> *> Ah, let me guess. The dem grid was interpolated from contour lines and
> you seeing the contours again.*
>
Can confirm, and they used a fairly crappy interpolation method also, it's
not just terraced, i
>
> > This must be a redundant question but I really haven't figured out a way
> to do this. I can export into a tiff but that's not desirable.
>
There are a variety of potential difficulties that can make this
problematic.
1. PDF Version and compliance of the PDF file itself.
2. The lineage of th
what
scale you are interested, but there are a considerable number of others out
there ( http://nsidc.org/data/dems/datasets.html )
Michael Patrick
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al plane) etc. and how much automation and inspection you
can tolerate. Do you have Z values for the contours? Or any common
attribute which shares across the gaps?
Michael Patrick
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