Re: [Talk-us] San Francisco Geodata

[Gregory Arenius]

I talked with the city and they said that the clickthrough that is still up
is outdated and not the one they intended to have up.  They should have it
updated sometime in the not to distant future.  The intent of the
clickthrough is to prevent any liability issues.  As far as the data on the
SFGIS website is concerned unless they specifically note that there is
copyright on a dataset we may treat it as public domain.

With that being the case I think we should discuss which data we would like
to see in OSM and what the best way to get it into OSM might be.

Greg

On Thu, Aug 26, 2010 at 1:15 PM, Gregory Arenius wrote:

> San Francisco has a website at datasf.org that has a lot of good geodata
> on it.  The current licence isn't acceptable for using any of the data but
> they might be willing to give us permission to use it.
>
> Some of the datasets that I thought were interesting were city 
> lots,
> addresses,
> neighborhoods,
> landuse,
> public 
> lands,
> street 
> centerlines,
> speed 
> limitsand
>  the bike
> network
> .
>
> We have good street data for San Francisco so the street centerline file
> would mostly be useful to check for errors and inform us about which streets
> really don't have a name.
>
> We need addresses if we want to have usable data for routing programs.  The
> addresses file has them in point format.  The city lots file also has
> addresses or address ranges for each parcel.  Has anybody done imports of
> similar address data?  If so, did you keep it in a point format or convert
> it into the "parallel ways" format?  How did things turn out?  I would
> really like to put that address data into OSM if I can get permission from
> the city to use it for that purpose.
>
> The speed limits would be useful for routing as well.
>
> Also, just to be clear, even if the city grants permission for us to use
> this data I certainly don't plan on just 'dumping' it into OSM.  We already
> have good data for San Francisco.  I'm more interested in using it to refine
> what we already have and plan on taking it slow and doing any imports the
> right way.
>
> I'd love to hear any thoughts or ideas or what other locals would like to
> see our map have.
>
> I'm probably going to be meeting with someone from the city next week to
> discuss the licence issue and ways we can collaborate.  Anything in
> particular you folks are interested in?
>
> Cheers,
> Greg
>
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Re: [Talk-us] San Francisco Geodata

[Michal Migurski]

On Aug 26, 2010, at 1:15 PM, Gregory Arenius wrote:

> San Francisco has a website at datasf.org that has a lot of good geodata on 
> it.  The current licence isn't acceptable for using any of the data but they 
> might be willing to give us permission to use it.
> 
> Some of the datasets that I thought were interesting were city lots, 
> addresses, neighborhoods, landuse, public lands, street centerlines, speed 
> limits and the bike network.

I've worked with those centerlines, and I think that they are the same file 
that the county provided to TIGER last time around which was already imported 
into OSM a few years back. It's already been very well improved upon.

HOWEVER, the address points data file is fully legit and I have a lot of 
personal experience working with it and OSM together. Nothing public so far but 
I'd be willing to chat about it here if I can remember the code I wrote last 
year. =)

-mike.


michal migurski- m...@stamen.com
 415.558.1610




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Re: [Talk-us] San Francisco Geodata

[andrzej zaborowski]

Hi,

On 26 August 2010 22:15, Gregory Arenius  wrote:
> We need addresses if we want to have usable data for routing programs.  The
> addresses file has them in point format.  The city lots file also has
> addresses or address ranges for each parcel.  Has anybody done imports of
> similar address data?  If so, did you keep it in a point format or convert
> it into the "parallel ways" format?

The parallel ways is an approximation of the address points, so if you
have the points, use them IMO.  I've imported some of both in Europe,
but I surveyed some addresses in San Francisco too and put them on the
buildings where possible.

Cheers

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Re: [Talk-us] San Francisco Geodata

[Apollinaris Schoell]

On Thu, Aug 26, 2010 at 1:15 PM, Gregory Arenius wrote:

> San Francisco has a website at datasf.org that has a lot of good geodata
> on it.  The current licence isn't acceptable for using any of the data but
> they might be willing to give us permission to use it.
>
> Some of the datasets that I thought were interesting were city 
> lots,
> addresses,
> neighborhoods,
> landuse,
> public 
> lands,
> street 
> centerlines,
> speed 
> limitsand
>  the bike
> network
> .
>
> We have good street data for San Francisco so the street centerline file
> would mostly be useful to check for errors and inform us about which streets
> really don't have a name.
>
>
could be converted to osm files and used as background layer in JOSM. Then
comparing visually with osm data is easy. I think openJump can also do some
comparison automatically but need to check


> We need addresses if we want to have usable data for routing programs.  The
> addresses file has them in point format.  The city lots file also has
> addresses or address ranges for each parcel.  Has anybody done imports of
> similar address data?  If so, did you keep it in a point format or convert
> it into the "parallel ways" format?  How did things turn out?  I would
> really like to put that address data into OSM if I can get permission from
> the city to use it for that purpose.
>
>
haven't done an import but some manual address data in my region. doing the
import is easy for point formats


> The speed limits would be useful for routing as well.
>
>
definitely great, needs matching with road network. some work to do ...


> Also, just to be clear, even if the city grants permission for us to use
> this data I certainly don't plan on just 'dumping' it into OSM.  We already
> have good data for San Francisco.  I'm more interested in using it to refine
> what we already have and plan on taking it slow and doing any imports the
> right way.
>
> I'd love to hear any thoughts or ideas or what other locals would like to
> see our map have.
>
> I'm probably going to be meeting with someone from the city next week to
> discuss the licence issue and ways we can collaborate.  Anything in
> particular you folks are interested in?
>
> Cheers,
> Greg
>
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>
>
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[Talk-us] San Francisco Geodata

[Gregory Arenius]

San Francisco has a website at datasf.org that has a lot of good geodata on
it.  The current licence isn't acceptable for using any of the data but they
might be willing to give us permission to use it.

Some of the datasets that I thought were interesting were city
lots,
addresses,
neighborhoods,
landuse,
public 
lands,
street 
centerlines,
speed 
limitsand
the bike
network
.

We have good street data for San Francisco so the street centerline file
would mostly be useful to check for errors and inform us about which streets
really don't have a name.

We need addresses if we want to have usable data for routing programs.  The
addresses file has them in point format.  The city lots file also has
addresses or address ranges for each parcel.  Has anybody done imports of
similar address data?  If so, did you keep it in a point format or convert
it into the "parallel ways" format?  How did things turn out?  I would
really like to put that address data into OSM if I can get permission from
the city to use it for that purpose.

The speed limits would be useful for routing as well.

Also, just to be clear, even if the city grants permission for us to use
this data I certainly don't plan on just 'dumping' it into OSM.  We already
have good data for San Francisco.  I'm more interested in using it to refine
what we already have and plan on taking it slow and doing any imports the
right way.

I'd love to hear any thoughts or ideas or what other locals would like to
see our map have.

I'm probably going to be meeting with someone from the city next week to
discuss the licence issue and ways we can collaborate.  Anything in
particular you folks are interested in?

Cheers,
Greg
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