Re: [Talk-us] [Imports] Import WestCOG building footprints in south-west Connecticut

[joe.sapletal]

I was going to look at the buildings too.  I’ve used a tool in ArcGIS to 
correct some pretty awful buildings, but I couldn’t download them either.If 
there is no hurry, I’d check in again with the contact on Monday.  It would be 
nice to have the buildings with addresses on them.

 

Joe

 

From: Yury Yatsynovich  
Sent: Saturday, August 29, 2020 5:05 PM
To: Julien Lepiller 
Cc: impo...@openstreetmap.org; talk-us@openstreetmap.org
Subject: Re: [Talk-us] [Imports] Import WestCOG building footprints in 
south-west Connecticut

 

Hi Julien,

Unfortunately, I have limited knowledge on the data quality as I wasn't able to 
download it (the server returns error). I let the CT point of contact (Scott) 
know about the problem -- he mentioned in our communication that he forwarded 
the issue to the tech support team, but I haven't heard from them since then 
and I'm still unable to download it. 

 

On Sat, Aug 29, 2020, 4:57 PM Julien Lepiller mailto:o...@lepiller.eu> > wrote:

So, it's been a week since that last message. Do you think we should
import addresses and buildings at the same time? Should we import the
buildings first and care about addresses later?

Yury, what are your thoughts about the data source quality? Do you
think it's a good idea to import from WestCOG and maybe rely on CT data
for the rest of CT? I tried playing with the data and I didn't see any
difference between drawing the buildings from scratch and having to
simplify and correct CT's data.

Thanks!

Le Sat, 22 Aug 2020 19:36:23 -0400,
Martin Machyna mailto:mach...@gmail.com> > a écrit :

> Thank Julien for pushing this forward!
> 
> yeah, I tried to get addresses from here:
> http://geodata-ctmaps.opendata.arcgis.com/datasets/bfa7da83da384c2aa809882179369dc4_0/features/305004
> and add them on top of the westCOG buildings.
> 
> The data is a big mess because it's a join_table of like 30 different
> address databases. I lost a bit of motivation there, but I could have
> a look at it again.
> 
> Martin
> 
> On Sat, Aug 22, 2020 at 2:19 PM Julien Lepiller   >
> wrote:
> 
> > Le Sat, 22 Aug 2020 13:30:02 -0400,
> > Yury Yatsynovich  >  > a écrit :
> >  
> > > Hi Julien,
> > > The following communication that I've had recently with a CT
> > > official might be of interest to you:
> > >
> > >  
> >
> > Oh, great! I think we already saw this data (I tried to contact them
> > too, but never got a reply :/). From what we saw (I think it was in
> > February?) the footprints have simplification issues (see
> > https://files.slack.com/files-pri/T029HV94T-FTDGDHXTM/image.png for
> > instance) where they are too detailed, not square enough, etc. Some
> > buildings also have holes in them, when there's none in the imagery.
> >
> > So I think it's too bad to be used directly, without a lot of manual
> > effort to simplify, square and redraw the shapes. However, the
> > address data is very interesting, so maybe we could extract from
> > it? Or we could use a separate dataset if they have addresses
> > separately.
> >
> > ___
> > Imports mailing list
> > impo...@openstreetmap.org  
> > https://lists.openstreetmap.org/listinfo/imports
> >  


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Re: [Talk-us] Mapping rail trails

[joe.sapletal]

https://gisdata.mn.gov/dataset/us-mn-state-metrogis-trans-metro-colabtiv-trails-bike


Someone could go nuts with this data from MN.

Joe

-Original Message-
From: Kevin Kenny  
Sent: Monday, June 24, 2019 11:15 AM
To: Richard Fairhurst 
Cc: talk-us 
Subject: Re: [Talk-us] Mapping rail trails

On Mon, Jun 24, 2019 at 10:50 AM Richard Fairhurst  wrote:
> OSM was founded in 2004 on the principle of "if they won't give us the 
> data, we'll make it ourselves" and that still holds true. I've started 
> on making sure all rail-trails of a reasonable length (say, 5 miles
> upwards) are actually mapped in OSM, using route relations.
 [...]
> So why not have a go? It's easy work and you get to see the routes 
> appear on http://cycling.waymarkedtrails.org pretty much instantly.

Yes, please!

I try to do my part locally. I'm a hiker rather than a cyclist, so that affects 
what gets mapped, but I also watch what other people are mapping around here 
and try to repair the relations when they get messed up. People keep beating me 
to it, though;
https://www.openstreetmap.org/relation/6133160 got done before I made it down 
there. Repairing the relations when someone inadvertently conflated 
https://www.openstreetmap.org/relation/1738631 with
https://www.openstreetmap.org/relation/2692590 was quite a chore! (I found out 
about that one because 'Genesee Valley Greenway' showed up in my neighbourhood, 
near Albany and nowhere near the Genesee Valley.)

I have never tried to import data on rail-trails, or indeed any other sort of 
trail. Not only are the external data sources frequently subject to aggressive 
copyright enforcement, but also they are frequently of abysmal data quality. I 
map this stuff with literal boots on the literal ground. (I *have* been known 
to use the external data sets as a "to do" list. I'm comfortable with that 
level of external dependency. Some of the hardliners here would say that once 
I've consulted such a data set, I'm permanently mentally contaminated and can't 
map the features that it shows, but that way lies madness!)

There are too few of us. I keep seeing the same half-dozen names locally. More 
would be welcome.

And route relations are important for sites like Waymarked Trails - it totally 
ignores walking and cycling routes that are not indicated with relations, which 
is why I wind up doing routes for even relatively trivial stuff like 
https://www.openstreetmap.org/relation/4836600.(although that certainly meets 
Richard's five-mile threshold).

To reiterate: yes, please help!

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Re: [Talk-us] Use without Attribution

[joe.sapletal]

If you close the All Layers window it appears in the lower right, just like on 
the other implementations on their site.  Is this what you are looking for?

Joe



From: Brian May
Sent: Monday, June 12, 2017 9:38 AM
To: talk-us@openstreetmap.org
Cc: hans.dekryge...@gmail.com
Subject: Re: [Talk-us] Use without Attribution

I used that MapBox form a couple months ago to notify missing OSM attribution 
for the WunderMap at wunderground.com, e.g. 
https://www.wunderground.com/wundermap?lat=27.17=-80.29=1

Just checked and no changes. I'm pretty sure its an OSM basemap due to checking 
features I have added that aren't on other maps. 

Brian

 On 6/9/2017 5:50 PM, Hans De Kryger wrote:
Report it here https://www.mapbox.com/blog/report-attribution-problems/


Regards,
Hans

On Fri, Jun 9, 2017 at 2:44 PM, Mike Thompson  wrote:
Looks like I am no longer a member of the "Talk" mailing list, so I will try 
here: 

https://mapnoco.org/results-intersection-quality   
   
The above site uses OSM as a basemap.    
   
Looks like the tiles come from Mapbox:   
https://a.tiles.mapbox.com/v3/uis.map-561ra9g7/15/6814/12356.png   
   
I was unable to find any attribution that credits OSM.

1) Did I miss the attribution? Is it somewhere on the page? 
2) Does someone have a nicely worded template that uses all of the proper 
terminology which I could adapt and send to the site owner?

Thanks,

Mike

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Re: [Talk-us] [Imports] Fort Worth, Texas import

[joe.sapletal]

Andrew,

Looks good to me and a great follow up to the Dallas project.  I would suggest 
contacting the project lead for project 95, they appear to work at mapbox.  I 
contacted the mapbox user that created a digitizing project that overlapped my 
import project and they changed the status on the intersecting tiles to done.  
This is keeping people from digitizing when they could be importing higher 
quality data.

Joe



From: Andrew Matheny
Sent: Friday, May 26, 2017 4:57 PM
To: OpenStreetMap talk-us list; impo...@openstreetmap.org
Subject: [Imports] Fort Worth, Texas import

Hello all-

With the Dallas building import completed except for 1 or 2 residential blocks, 
I've begun planning a building import for Fort Worth, the next largest city in 
the Dallas-Fort Worth area.

The permissions, process, and test results have been documented on the Wiki 
here: https://wiki.openstreetmap.org/wiki/Fort_Worth,_Texas_import .

There have also been some recent initiatives by the community (see 
http://tasks.openstreetmap.us/project/95 ) to trace buildings, and so I'd like 
to accelerate this import project and have the community help double check the 
imported data. This will help save the community's time from having to start 
with a blank slate vs. being a pair of fresh eyes that can make the data 
really, really good.

As always, any feedback would be much appreciated.

Best Regards, 

Andrew Matheny 
andrewdmath...@gmail.com

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Re: [Talk-us] Dakota County, MN Building Import

[joe.sapletal]

On that page, it states Dakota County encourages public use of this GIS data.  
“The County Board of Commissioners adopted a policy of free and open GIS data, 
in collaboration with the other six metropolitan counties in the Twin Cities.  
More information on this initiative is available from MetroGIS. “  The page 
that in links to is the hub for all this licensing stuff.  In the documents it 
defines Open as “no legal agreements or other conditional encumbrances required 
to access the data” and “no constrain on the use of the data once acquired by 
the user”.

Do they have to explicitly say CT/ODbl on the website or does it suffice they 
link to the policy created by all counties in the  metro that says, free take 
it, no contraints?

Joe

From: Greg Troxel
Sent: Thursday, April 6, 2017 9:42 AM
To: joe.saple...@charter.net
Cc: Rory McCann; impo...@openstreetmap.org; talk-us@openstreetmap.org
Subject: Re: [Talk-us] Dakota County, MN Building Import


 writes:

> Free and Open.  Dakota County encourages the use of its published data
> and supports it being added to OSM.  They are aware of the project and
> do not object.

That's great to hear.  Can you ask them to update their website to make
permission to copy and incorporate clear, without any additional
requirements, so that it's compatible with the CT/ODbL?

The terms quoted by Rory and incompatible with OSM.

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Re: [Talk-us] Dakota County, MN Building Import

[joe.sapletal]

Free and Open.  Dakota County encourages the use of its published data and 
supports it being added to OSM.  They are aware of the project and do not 
object.

Joe

From: Rory McCann
Sent: Thursday, April 6, 2017 3:49 AM
To: talk-us@openstreetmap.org
Cc: impo...@openstreetmap.org
Subject: Re: [Talk-us] Dakota County, MN Building Import

Hi,

Can I ask about the licence of this data? I don't see anything on
the wikipage about the licence, and the page[1] from Dakota County is
unclear. It doesn't say what the licence is, and has this condition:

> If you transmit or provide the GIS Data (or any portion of it) to
> another user, you must provide a copy of this disclaimer and the
> accompanying metadata for this dataset to the user.

Or am I missing something?

[1] 
https://www.co.dakota.mn.us/HomeProperty/MappingServices/GISData/Pages/default.aspx

On 05.04.2017 20:53, 
joe.saple...@charter.net wrote:
> This project is now on the US Tasking Server.
>
>
>
> http://tasks.openstreetmap.us/project/88
>
>
>
>
>
> Import page on the wiki -
> https://wiki.openstreetmap.org/wiki/Minnesota/DakotaCounty/Buildings_Import
>
>
>
> Thanks in advance to all that participate.
>
>
>
> Joe



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[Talk-us] Dakota County, MN Building Import

[joe.sapletal]

This project is now on the US Tasking Server.

http://tasks.openstreetmap.us/project/88


Import page on the wiki - 
https://wiki.openstreetmap.org/wiki/Minnesota/DakotaCounty/Buildings_Import

Thanks in advance to all that participate.

Joe

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[Talk-us] Dakota County, MN Building and Address Import

[joe.sapletal]

Ok, I’m back and ready to proceed.  I’ve created a pretty decent dataset from 
the Dakota County buildings, address points and parcel data.

Project page
https://wiki.openstreetmap.org/wiki/Minnesota/DakotaCounty/Buildings_Import

GitHub repository with sample
https://github.com/DcJoeS/dakota-county-osm-building-import

What I need help with is:
1. I can export the data out into the chunks in Shp format fairly easily, I 
know how to script that.  And I have decent polygons for doing so.  I need a 
good tool for converting that to OSM, in bulk.
2. I need help defining/setting up in the US Tasking server.  
Who/what/where/etc?
3. Community support that this looks like a good idea.  (this should probably 
be number 1).

Thanks,
Joe Sapletal

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[Talk-us] Dakota County, MN Data

[joe.sapletal]

If anyone is interested, there are some datasets available to update streets, 
county parks and municipal boundaries in Dakota County, MN. (my employer)  This 
is the same data we give to Esri for their basemaps.

I’ve posted links and more information on my blog - 
http://dcgisjoe.blogspot.com/2017/02/calling-all-osmers.html 

Thanks,

Joe

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[Talk-us] Dakota County, MN Building Import - chunking

[joe.sapletal]

So I’m back at it now that I have some time to get this building import going 
again.  I have a pretty good process for assembling the data to create 
buildings with addresses.  The buildings dataset has about 165,000 building 
polygons, many of which will have some sort of attributes before I release them 
for import.   Now, if I prepare the data for the task manager, should I just go 
with some random square grid or with some other predetermined shapes like those 
from the US Census that cover Dakota County?

What is more palatable, one of the options below or a predetermined square of 
some dimension?

Census Block Groups
Polygon count – 232
Buildings per block group
Range 32 – 2527
Average – 705
Median – 636

Census Tracts
Polygons count – 95
Buildings per census tract
Range 184 – 3704
Average – 1721
Median 1627

Census Blocks
Polygon count – 6811  (1517 have no buildings, those that do is 5295)
Buildings per block
Range 1 – 482
Average 31
Median 15

Any guidance will be appreciated

Joe

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