[Talk-us] D.C. OSM News/Events

[Kate Chapman]

Hi US-OSMers,
In the Washington D.C. area we've formed a group called MappingDC.  I
suppose it might eventually want to become a local chapter or something when
that is all worked out.

Anyway I wanted to let everyone know about a couple things going on in DC.

1.  September 12th we are having a mapping party to map the National Zoo.
 We thought it would be a good way to teach people how to use the tools and
we could do some fun renderings of the data when we are finished.
2. The D.C. Government is changing the Terms of Service on their Data
Catalog website so that we can import all of the data into OSM.  We are
hoping to have a planning meeting sometime next week to discuss.  Then at
some point we will have an import party to start getting the data in.
3.  We are trying to have mapping parties fairly often, since we are getting
so much data for DC proper they will probably focus on the suburbs.  I'll
post information on those as they come up.

If you are interested in any of this you can contact me or there is a
MappingDC Google Group.  http://groups.google.com/group/mappingdc


Thanks,

Kate Chapman
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Re: [Talk-us] D.C. OSM News/Events

[Mike N.]

> 1.  September 12th we are having a mapping party to map the National Zoo. 
> We thought it would be a good way to teach people how to use the tools and 
> we could do some fun renderings of the data when we are finished.

  Sounds like a great project!   When training a newbie, it would be good 
for them to see their finished work as feedback.  Some of my edits do not 
show up for 10+ days.   Marking the tiles dirty helps sometimes but not 
others.

  Is there a simple setup to provide quick Mapnik rendering for something 
like a party where it is helpful to have fast feedback of the final markup?
 


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[Talk-us] Labeling community gardens

[Cameron Adamez]

Hi,
I looked in the wiki for a proper label for community gardens, and I  
couldn't find a decent way to tag these things. Someone in the IRC  
channel suggested to tag areas with landuse=farm, but that would be  
incorrect because the city I'm working on already has quite a bit of  
urban farmland, whereas the community gardens are maintained by the  
people who live around them.

I was unsure what to use as a tag so some plots are tagged by  
landuse=community_garden but I'm not sure if that is the best tag to  
use.

Thanks,
Cameron

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Re: [Talk-us] Labeling community gardens

[Alex Mauer]

On 08/20/2009 03:12 PM, Cameron Adamez wrote:
> I was unsure what to use as a tag so some plots are tagged by  
> landuse=community_garden but I'm not sure if that is the best tag to  
> use.

That sounds like a good tag to me.

-Alex Mauer "hawke"



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[Talk-us] Getting deleted ways?

[Nakor]

Hello,

If you look at
http://www.openstreetmap.org/?lat=42.44615&lon=-83.09143&zoom=16&layers=B000FTFyou
can see that 8 Mile rd (red on the left) was deleted from the map at
its
I-75 junction. How can I get the deleted ways and undelete them?

  Thanks in advance,

N.
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Re: [Talk-us] Getting deleted ways?

[Apollinaris Schoell]

In Potlatch shift U
red lines have been deleted, select it and click the unlock symbol


On Aug 20, 2009, at 2:48 PM, Nakor wrote:


Hello,

If you look at http://www.openstreetmap.org/?lat=42.44615&lon=-83.09143&zoom=16&layers=B000FTF 
 you can see that 8 Mile rd (red on the left) was deleted from the  
map at its I-75 junction. How can I get the deleted ways and  
undelete them?


  Thanks in advance,

N.
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Re: [Talk-us] Getting deleted ways?

[Nakor]

Thanks. It does not show up. Could it be that they never existed (they 
were not part of TIGER import)?

Apollinaris Schoell wrote:
> In Potlatch shift U
> red lines have been deleted, select it and click the unlock symbol
>
>
> On Aug 20, 2009, at 2:48 PM, Nakor wrote:
>
>> Hello,
>>
>> If you look at 
>> http://www.openstreetmap.org/?lat=42.44615&lon=-83.09143&zoom=16&layers=B000FTF
>>  
>> 
>>  
>> you can see that 8 Mile rd (red on the left) was deleted from the map 
>> at its I-75 junction. How can I get the deleted ways and undelete them?
>>
>>   Thanks in advance,
>>
>> N.
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>> http://lists.openstreetmap.org/listinfo/talk-us
>


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Re: [Talk-us] Getting deleted ways?

[Apollinaris Schoell]

sure, tiger import is not perfect as we all now


On Aug 20, 2009, at 3:07 PM, Nakor wrote:

> Thanks. It does not show up. Could it be that they never existed  
> (they were not part of TIGER import)?
>
> Apollinaris Schoell wrote:
>> In Potlatch shift U
>> red lines have been deleted, select it and click the unlock symbol
>>
>>
>> On Aug 20, 2009, at 2:48 PM, Nakor wrote:
>>
>>>Hello,
>>>
>>> If you look at 
>>> http://www.openstreetmap.org/?lat=42.44615&lon=-83.09143&zoom=16&layers=B000FTF
>>>  
>>>  
>>> >>  
>>> > you can see that 8 Mile rd (red on the left) was deleted from  
>>> the map at its I-75 junction. How can I get the deleted ways and  
>>> undelete them?
>>>
>>>  Thanks in advance,
>>>
>>> N.
>>> ___
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>>> http://lists.openstreetmap.org/listinfo/talk-us
>>
>


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Re: [Talk-us] Labeling community gardens

[Alan Mintz]

At 2009-08-20 13:12, Cameron Adamez wrote:
>I looked in the wiki for a proper label for community gardens...

If it is a place where flowers, grass, etc. are planted by villagers, how 
about one of:

leisure=garden
landuse=village_green
landuse=grass
leisure=common
leisure=park

If food is planted, how about:
landuse=farmland + access=public

--
Alan Mintz 


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Re: [Talk-us] talk-us-ma: Duplicate nodes in mass

[Lars Ahlzen]

Bill Ricker wrote:
> I thought Chris had the beginings of a script that would do this.
> 
> It is possible that  if Lars, Shankar and I spent some tuits looking at
> Frederik's script we could mutate it to do this.  It would be a nice
> example for the Boston.PM presentation next month. I think he said it
> was uploaded to a git host or somewhere?

I'd love to help out with that. I have many commitments and not a lot of
time during the next month or two, though, so I can't promise much
before the Boston PM talk.

- Lars

-- 
Lars Ahlzen
l...@ahlzen.com

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Re: [Talk-us] Labeling community gardens

[Mike N.]

There's landuse = allotments

"A piece of land given over to local residents for growing vegetables and
flowers. "

  I've seen this tag used on the "Schraeder Gardens" in Switzerland, but I'm
not sure if your use is exactly the same thing.
--
From: "Cameron Adamez" 
Sent: Thursday, August 20, 2009 4:12 PM
To: 
Subject: [Talk-us] Labeling community gardens

> Hi,
> I looked in the wiki for a proper label for community gardens, and I
> couldn't find a decent way to tag these things. Someone in the IRC
> channel suggested to tag areas with landuse=farm, but that would be
> incorrect because the city I'm working on already has quite a bit of
> urban farmland, whereas the community gardens are maintained by the
> people who live around them.
>
> I was unsure what to use as a tag so some plots are tagged by
> landuse=community_garden but I'm not sure if that is the best tag to
> use.

 


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Re: [Talk-us] Can-Amera border, states and provinces.

[Lennard]

Minh Nguyen wrote:

> Someone on either the dev or U.S. list explained that borders with fewer 
> twists and turns will show up lighter when zoomed out. That is, Mapnik 
> doesn't perform any smoothing on country boundaries yet.

If there are many twists and turns, that could indeed make the border 
appear darker. The main reason, however, is that currently mapnik 
renders every way and every relation tagged with boundary=administrative 
and admin_level=*, and renders all of them on top of each other.

So where a national (or sub-national) border is both tagged on the way, 
and a member of the two respective national boundary relations, it's 
drawn three times. If you zoom in to where provinces/states come into 
play, and later even municipalities, this issue gets progressively worse.

> Also, changeset 17070 [1] sounds like an attempt to address this issue.
> 
> [1] http://trac.osm.org/changeset/17070

This is currently rendering. I've forced several lowzoom tiles to be 
rerendered. If you notice any state or province boundary still missing, 
that tile might not have rerendered.

Canada looks good, so does Australia, for that matter. admin_level=4 
renders from z4. z4 shows ref=* for states, z5-z8 show name=*.

The USA however, not so good. Specifically, the place=state nodes are 
all* placed in the extreme southwest corners of the states. None of them 
have been tagged with ref=*. I noticed that when developing that 
changeset, but figured it would sort itself out quickly enough once it 
started rendering.

* CA and WA have additional place=state nodes created, which are placed 
centrally in the state, and have ref=* applied.

So, have a look, see what you think, and start editing those state 
nodes! :-)

-- 
Lennard

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