I'm sure most you are familar with the coin map that was featured in
Wood magazine a coupla years ago. I'd like to do something a little
different, mainly use CNC to engrave the state borders in the wood. The
problem is that I need a vector type map of the USA. Something in DXF,
IGES, or similar format, and free. A quick google search turns up either
pay, or not what I want at all.
Anyone have one?
Oh yeah, I did look into having the layout from the article scanned and
digitized. Only one place locally could do it, and for a very high price
and in a format I couldn't use.
A sawbuck spent on a clipart disk from IMSI (65,000 ) will get you metafile
maps. How you put them into your equipment thereafter is up to you. I
print, stick and cut a lot of clipart on the scrollsaw. Good geography
lessons in puzzles.
Ok, depending on how much work you are willing to do this may or may
not be an option. The US geological survey has a data base called the
TIGER line system. Basically, it contains line segments for all
borders, roads, RR's etc. To turn it into something useful is work.
The GRASS project (a GIS from army corp of engineers, used to be
hosted at Baylor University -- site doesn't load -- wonder if
Dub-Rummy-HomerLand security decided it was too dangerous to know
where the roads are!) can read the tiger data. A few years ago I
extracted the entire sub-set of lines that define borders between
counties --- took about a day to get the scripting within GRASS right
and multiple days to fix the pathologies in the data.
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