[Talk-us] Facts about the world

Russ Nelson 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.

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