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From: Steve Coast <steve@asklater.com><br>
Date: Mon, 17 Dec 2012 12:22:10 -0800<br>
To: Martijn van Exel <m@rtijn.org><br>
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Cc: Michal Migurski <mike@teczno.com>,<br>
OpenStreetMap US Talk <talk-us@openstreetmap.org><br>
Subject: Re: [Talk-us] More on TIGER: Where it's likely safe to
import<br>
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Hi Mike,</blockquote><br>
<x-tab> </x-tab>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?<br>
<x-tab> </x-tab>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. <br>
<x-tab> </x-tab>However,
the basic idea seems great. It just needs a little more interpretation, I
think, and maybe different colors?<br><br>
Best,<br><br>
Charlotte<br><br>
<br><br>
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Nice.<br><br>
Suggestions;<br><br>
- kill water somehow<br>
- 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?<br><br>
Steve<br><br>
On Dec 16, 2012, at 8:32 PM, Martijn van Exel <m@rtijn.org>
wrote:<br><br>
> OK this is plain awesome. Great work Mike.<br>
> <br>
> One note of caution though - the title may suggest that you can
just<br>
> go ahead and import away, but folks would still have to follow
the<br>
> import guidelines and contact the OSM community at large, come up
with<br>
> a solid proposal and discuss that, even if there is no local<br>
> community. I know it says it on the tin, but it's kind of tucked
away<br>
> at the bottom.<br>
> <br>
> Have you looked into full history planet parsing to get a
fuller<br>
> picture of editing history? I took a stab at full history user
metrics<br>
> some time ago using osmjs;<br>
>
<a href="https://github.com/mvexel/OSMQualityMetrics/blob/master/UserStats.js" eudora="autourl">
https://github.com/mvexel/OSMQualityMetrics/blob/master/UserStats.js</a>
-<br>
> this produces one set of metrics for the entire .osh file you feed
it<br>
> but it may prove useful for future work. I haven't touched this in
a<br>
> while but it should still work :/<br>
> <br>
> On Sun, Dec 16, 2012 at 8:02 PM, Michal Migurski
<mike@teczno.com> wrote:<br>
>> I pulled together some of the notes and imagery I've been
posting here recently:<br>
>> <br>
>>
<a href="http://www.openstreetmap.us/~migurski/green-means-go/" eudora="autourl">
http://www.openstreetmap.us/~migurski/green-means-go/</a><br>
>> <br>
>> 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.<br>
>> <br>
>> Three things that would make this better:<br>
>> <br>
>> - Regular updates with archived older versions.<br>
>> - Renders for specific counties, intended for local GIS
communities.<br>
>> - Some awareness of full planet history.<br>
>> <br>
>> The OSM-US server has data for regular updates.<br>
>> <br>
>> -mike.<br>
>> <br>
>>
----------------------------------------------------------------<br>
>> michal migurski- contact info and pgp key:<br>
>>
sf/ca
<a href="http://mike.teczno.com/contact.html" eudora="autourl">
http://mike.teczno.com/contact.html</a><br>
>> <br>
>> <br>
>> <br>
>> <br>
>> <br>
>> _______________________________________________<br>
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>> Talk-us@openstreetmap.org<br>
>>
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> <br>
> <br>
> <br>
> -- <br>
> Martijn van Exel<br>
>
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http://oegeo.wordpress.com/</a><br>
>
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> <br>
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