[Talk-us] Facts about the world
nelson at crynwr.com
Sun Apr 5 18:17:08 UTC 2015
Minh Nguyen writes:
> On 2015-04-03 22:25, Russ Nelson wrote:
> > Greg Morgan writes:
> > > * In my case, TIGER isn't all the that bad.
> > In some NY counties, TIGER is very good. In other places it is like
> > Stevie Wonder was in charge of quality control. What I've heard is
> > that the maps they were digitizing off were of MUCH lower resolution
> > than we have available now.
> I wonder if it was even about the resolution in some counties. It's as
> if the data was traced off a cartogram, or maybe reconstructed from a
> table of intersections.
Perhaps. There is definitely a "trope" that you see on TIGER data with
a lot of variance. It is a Y used at an intersection that really
should be a T. I know that when I see that trope, I'm gonna be editing
all the ways attached to it.
--my blog is at http://blog.russnelson.com
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