[GRASSLIST:414] Re: vmap

Mike S alpinmike at netscape.net
Tue Jun 17 20:03:07 EDT 2003


This isnt an answer, but more of a thought. You should check out 
http://www.sevencs.com, as they have a DNC viewer, working under linux 
(2.4 kernal is supported, thought web site says 2.2) and DNC's are also 
made by NIMA. DNC's are digital nautical charts, for mariners. I believe 
the US Coast Guard uses the same format. So there may be some options 
from them if you want to use the data you have. I'm not sure if the 
viewer is open source or what options it has.

Mike

ian_macmillan at umail.ucsb.edu wrote:

>Hi all, this seems like it must be an easy problem to solve, but I am struggling
>with it.  I would like to use the Digital Chart of the World data from NIMA
>(National Imagery and Mapping Agency).  However I am at a loss as to how to
>import this data into GRASS.  I downloaded the North America data from the NIMA
>website, but I get a folder that has lots of subfiles, and I am not sure which
>ones to work with.  The data is supposed to be in VPF (some department of
>defense thing) format, but I am not clear how to use it.   I couldn't find
>anything in the manual, book, or mailing list archives. Specifically all I want
>is a map with just political boundaries of the world.  Anybody worked with this
>data before?  I know that GISdatadepot.com has arcinfo vector data for each
>country, but as there are hundreds of countries, this would be tedious to
>download and also import.  Thanks for any input.
>
>-Ian
>
>  
>

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