[Loadstone] Data Point Cutting Question

Rob Melchers rob at loadstone-gps.com
Thu Dec 28 05:22:53 GMT 2006


Just send me the file and I'll see what I can do. I think that's faster 
than explaining how it's done.


At 12/27/2006, you wrote:
>Does anybody know how I can get a computer program to cut a file of about
>300,000 points down to 15,000 other than cutting nineteen out of every
>twenty points by hand?  I believe the file is too large for Microsoft Excel.
>I've tried.
>These are center points for a 2,000-mile trail.  I've looked at distances
>between them.  Cutting the data, I'd get points every 0.3 miles or so.  That
>is a reasonable number.  If I leave the file as is, the points would be so
>close together that they might overlap.
>Next, these points are all center points.  Is there a way to assign each of
>them a number, such as 1, 2, 3, 4, etc.?  You get the idea.
>Can I ask you to write any explanations in simple English?  I am by no means
>a computer expert.
>Thank You,
>Mike Hanson
>Loadstone mailing list
>Loadstone at loadstone-gps.com
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