Re: [Talk-us] Updated redaction oneway map

2012-08-13 Thread Toby Murray
On Mon, Aug 13, 2012 at 1:34 AM, Toby Murray  wrote:
> I just updated my "oneway" map that shows ways with a oneway tag but
> without a highway tag that were last touched by the redaction bot. I
> have been updating the tiles every couple of days but at the
> suggestion of someone on IRC I just added bridge and lanes tags to the
> list in addition to oneway. The world is rendered to z10, most of
> europe to z11 and specific high density cities to z13. (Several places
> in the US, Europe and Australia) If you want a specific area rendered
> to a higher zoom, feel free to send me a bbox.
>
> If you use these tiles as an imagery layer in JOSM as suggested at the
> bottom of the page, be sure to flush your tile cache for that layer
> every couple of days to pick up changes. (right click with this as the
> only visible imagery layer and select the "Flush tile cache" option)
>
> I can see the .osm file I render from shrinking every time I update so
> progress is being made! It started at over 10 MB and was about ready
> to go under 5 MB when I added the additional tags which put it back up
> over 6.
>
> http://ni.kwsn.net/~toby/OSM/maps/redaction.html

Earlier today I noticed that I had a slight error in my rendering
rules. I added bridge, lanes and tunnel to the list of queried tags
but not to the rendering. So I just uploaded a new set of tiles with
fresh data (as of a couple hours ago) and the new rendering rules. So
there may be additional problem ways to check now.

Toby

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Re: [Talk-us] New version of US redaction map

2012-08-13 Thread Mike N

On 8/13/2012 11:11 PM, Paul Norman wrote:

It’s all CC BY-SA right now so you’d be okay now, but I think it’d be a
problem in the future under both CC BY-SA and ODbL if you were mix the
data in this way.


  I'd think this is not actually importing any information directly 
from the redacted copyrighted CC BY-SA data: it's just using it to set 
or clear a flag.


  Much as if you were heading out to do a survey, printed Google 
navigation directions, and found that the Google directions are wrong 
when you get there - you'd conclude "Mismatch", but still rely only on 
survey and approved sources to create OSM data.



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Re: [Talk-us] New version of US redaction map

2012-08-13 Thread Paul Norman
It’s all CC BY-SA right now so you’d be okay now, but I think it’d be a problem 
in the future under both CC BY-SA and ODbL if you were mix the data in this way.

 

From: Martijn van Exel [mailto:m...@rtijn.org] 
Sent: Monday, August 13, 2012 7:09 PM
To: Mike N
Cc: talk-us@openstreetmap.org
Subject: Re: [Talk-us] New version of US redaction map

 

On Mon, Aug 13, 2012 at 12:27 PM, Mike N  wrote:

On 8/13/2012 12:48 PM, Martijn van Exel wrote:

The main new thing is that it now shows deleted ways as well

 

 Very nice - this map and Toby's are very useful. I see that the deleted 
ways are purple.

  One thing I have noticed is that it would be nice to detect a new roadway 
having been added under the old deleted roadway, and automatically remove the 
notification.

 

Interesting idea. My US database is currently catching up with reality, so I 
can't really try until that has completed, but I do have an idea how to make 
that work. Without relying on human tagging like in the Inspektor. What I would 
do is select all (current) ways that overlap the bounding box of the deleted 
way and that are created after 7/15, then calculate the hausdorff distance 
between the deleted way's geometry and the results of that query. If we get a 
close match, it is *very likely* that the way has already been remapped. 
Identical highway= tags may further corroborate this. What I am not so sure 
about is using the non-compliant geometry and tags this way, from a legal 
perspective. Anyone who can offer any ideas on that?

 

Martijn

 

-- 
martijn van exel
http://oegeo.wordpress.com

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Re: [Talk-us] New version of US redaction map

2012-08-13 Thread Martijn van Exel
On Mon, Aug 13, 2012 at 12:27 PM, Mike N  wrote:

> On 8/13/2012 12:48 PM, Martijn van Exel wrote:
>
>> The main new thing is that it now shows deleted ways as well
>>
>
>  Very nice - this map and Toby's are very useful. I see that the
> deleted ways are purple.
>
>   One thing I have noticed is that it would be nice to detect a new
> roadway having been added under the old deleted roadway, and automatically
> remove the notification.
>
>
Interesting idea. My US database is currently catching up with reality, so
I can't really try until that has completed, but I do have an idea how to
make that work. Without relying on human tagging like in the Inspektor.
What I would do is select all (current) ways that overlap the bounding box
of the deleted way and that are created after 7/15, then calculate the
hausdorff distance between the deleted way's geometry and the results of
that query. If we get a close match, it is *very likely* that the way has
already been remapped. Identical highway= tags may further corroborate
this. What I am not so sure about is using the non-compliant geometry and
tags this way, from a legal perspective. Anyone who can offer any ideas on
that?

Martijn

-- 
martijn van exel
http://oegeo.wordpress.com
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Re: [Talk-us] New version of US redaction map

2012-08-13 Thread Richard Weait
On Mon, Aug 13, 2012 at 2:27 PM, Mike N  wrote:
> On 8/13/2012 12:48 PM, Martijn van Exel wrote:
>>
>> The main new thing is that it now shows deleted ways as well
>
>
>  Very nice - this map and Toby's are very useful. I see that the deleted
> ways are purple.
>
>   One thing I have noticed is that it would be nice to detect a new roadway
> having been added under the old deleted roadway, and automatically remove
> the notification.

You can mark notifications as resolved on the OSMI redaction bot layer.

http://tools.geofabrik.de/osmi/?view=redactionbot

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Re: [Talk-us] New version of US redaction map

2012-08-13 Thread Mike N

On 8/13/2012 12:48 PM, Martijn van Exel wrote:

The main new thing is that it now shows deleted ways as well


 Very nice - this map and Toby's are very useful. I see that the 
deleted ways are purple.


  One thing I have noticed is that it would be nice to detect a new 
roadway having been added under the old deleted roadway, and 
automatically remove the notification.


  Thanks,

   Mike


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[Talk-us] New version of US redaction map

2012-08-13 Thread Martijn van Exel
Hi all,

I redid my redaction map a little. You may remember my map is a little more
general-purpose than Toby's which focuses on ways that have apparently been
stripped of a highway= tag as well as touched nodes.
Mine focuses on the road network as a whole, showing the ways last touched
by the redaction bot broken down by class (motorway, trunk, etc). The main
new thing is that it now shows deleted ways as well (including nonsensical
JOSM links in the popup ballons for them). Also, I decided to go with
raster layers for z < 12 to reduce server & client load.
Let me know what you think.

http://lima.schaaltreinen.nl/redaction/

Best
Martijn

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