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From: Steve Coast st...@asklater.com
Date: Mon, 17 Dec 2012 12:22:10 -0800
To: Martijn van Exel m...@rtijn.org
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Cc: Michal Migurski m...@teczno.com,
OpenStreetMap US Talk talk-us@openstreetmap.org
Subject: Re: [Talk-us] More on TIGER: Where it's likely safe to import
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Hi Mike,
I was looking at the web page yu
created. One problem is that I'm not sure which
green, light or dark or kinda light or kinda
dark, means an untouched kilometer. Also, what does black mean?
Then I checked an area I edited
extensively: Chinle, Arizona. Again, I was
puzzled because I have worked on most of the
area, but some is dark green, some light green and some black.
However, the basic idea seems great. It
just needs a little more interpretation, I think, and maybe different colors?
Best,
Charlotte
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Nice.
Suggestions;
- kill water somehow
- Information density at low zoom levels implies
that basically everywhere is green. But you zoom
to the bay area and see this isn't the case. So,
change the coloring? Modulate it by population density?
Steve
On Dec 16, 2012, at 8:32 PM, Martijn van Exel m...@rtijn.org wrote:
OK this is plain awesome. Great work Mike.
One note of caution though - the title may suggest that you can just
go ahead and import away, but folks would still have to follow the
import guidelines and contact the OSM community at large, come up with
a solid proposal and discuss that, even if there is no local
community. I know it says it on the tin, but it's kind of tucked away
at the bottom.
Have you looked into full history planet parsing to get a fuller
picture of editing history? I took a stab at full history user metrics
some time ago using osmjs;
https://github.com/mvexel/OSMQualityMetrics/blob/master/UserStats.js -
this produces one set of metrics for the entire .osh file you feed it
but it may prove useful for future work. I haven't touched this in a
while but it should still work :/
On Sun, Dec 16, 2012 at 8:02 PM, Michal Migurski m...@teczno.com wrote:
I pulled together some of the notes and
imagery I've been posting here recently:
http://www.openstreetmap.us/~migurski/green-means-go/
It's a map of 1km×1km squares covering the
continental United States. Green squares show
places where data imports are unlikely to
interfere with community mapping. Raw data is linked at the bottom.
Three things that would make this better:
- Regular updates with archived older versions.
- Renders for specific counties, intended for local GIS communities.
- Some awareness of full planet history.
The OSM-US server has data for regular updates.
-mike.
michal migurski- contact info and pgp key:
sf/cahttp://mike.teczno.com/contact.html
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