[Imports] Importing Buildings and Addresses for Austin, Texas

Paul Johnson baloo at ursamundi.org
Wed Nov 11 08:26:43 UTC 2015


On Mon, Nov 9, 2015 at 9:13 PM, Clifford Snow <clifford at snowandsnow.us>
wrote:

>
> On Mon, Nov 9, 2015 at 5:32 PM, Paul Norman <penorman at mac.com> wrote:
>
>> - There seems to be inconsistency in how height is being handled. The
>> wiki says cm, but the github repo is saying it's to the nearest 10cm.
>> Meanwhile, the data that was inadvertently imported early has stuff like
>> height=3.9099999999999997
>>
>> - There's no mention of merging with existing POIs, e.g.
>> osm.org/way/379207894 and osm.org/node/368164079
>>
>> - How has the accuracy of the city data been assessed?
>>
>
> It would help if you could describe how the city's data was validated.
> The height could be given in feet, for the above example, change it to
> height=13'10".
>

Agreed, until the US finally gets on board with SI units (which, sadly, is
probably going to happen sometime after when recreational marijuana is
legal nationwide and religious fundamentalists accept that the US is and
always has been a secular nation from it's founding), we're going to have
to deal with issues like this; best to use the same units as the data
source than come up with some bizarro workaround or weird conversions when
practical.

I'd like to see addr:city and addr:postcode added to the address
> information. Census has boundaries for zipcodes. Is it possible that that
> City of Austin has the information? Or possibly Travis County? County
> Assessors obviously need the information to send out property taxes. (I'm
> assuming Travis County has property taxes.)
>

Census zip codes and postal service zip codes are two different things and
not always congruent.  Postal service zip codes represent groups of mail
routes, zip+4 takes that one step further for specific stops on a specific
mail route.  It's quite possible, particularly on the edge of the range for
several post offices, that the zip codes the census designates and what the
postal service designate will be quite different.  For example, I'm aware
of one street where one block is Portland, OR 97229, the other side of the
same street is Aloha, OR 97006, and the next block on the 97229 side is
Cedar Mill 97291.  Census considers the entire neighborhood as 97229...
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