[Xastir] Tiger 2006 files as shapefiles

[John Ronan]

On 20 Feb 2007, at 08:08, Tom Russo wrote:

> On Mon, Feb 19, 2007 at 09:50:57PM +0000, we recorded a bogon- 
> computron collision of the <jronan at tssg.org> flavor, containing:
>>
>>
>> So, what needs to be done to generate them?  I hate to see a machine
>> idle. If someone could talk me through the procedure, I could
>> generate them on the machine they are now sitting on.
>
> It's in README.MAPS, right after where it describes how to
> run the ogr2ogr for the linear features, but what's there is pretty  
> sparse.
>
Thanks Tom,


Ok, I see whats being done,

I might wait a bit to see if Derrick sees the thread, it doesn't make  
sense to do the work twice, so if he had a clever script done  
already, that would be very useful.

If someone wants something specific, I'm sure I could do it by hand  
if required.

Regards
John

> Each of the original TIGER/Line directories needs to be processed a
> second time using the "Xastir-tigerpoly.py" script to make the  
> additional
> polygon shapefiles.  That script requires gdal with python support,  
> and can
> be found in the scripts directory of the xastir source code.  I  
> also recommend
> using the "-d" flag to dissolve boundaries between polygons with  
> the same
> name, or things like parks and other major polygon features will  
> generally be
> made up of many small, individually labeled polygons.
>
> When I first mapped out the process for doing the conversions I  
> wrote a
> simple script that did the ogr2ogr and the Xastir-tigerpoly.py  for  
> each
> of the tiger files for a whole state, and extracted the county name  
> from
> the ".MET" file to use as the file name.  I think I still have that  
> script
> lying around at work and can provide it here (it's very simple and  
> never
> seemed significant enough to add to the scripts directory, and I  
> was lazy
> and hardcoded some of the title parsing stuff in a way that had to be
> hand-edited for each state).  I think Derrick Brashear did  
> something a little
> more clever with it when he did the 2004 files to be placed on
> xastir.tamu.edu.
>
>> On 19 Feb 2007, at 21:15, Jason Winningham wrote:
>>
>>>
>>> On Feb 19, 2007, at 3:05 PM, Jason Winningham wrote:
>>>
>>>> (except for the missing polygons).
>>>
>>> I should clarify: the polygon data is generated via a different
>>> method, and results in a separate shapelib.  Again, there is
>>> nothing wrong with the shapefiles you generated.
>
> -- 
> Tom Russo    KM5VY   SAR502   DM64ux          http://www.swcp.com/ 
> ~russo/
> Tijeras, NM  QRPL#1592 K2#398  SOC#236 AHTB#1 http://kevan.org/ 
> brain.cgi?DDTNM
> "And, isn't sanity really just a one-trick pony anyway? I mean all  
> you get is
>  one trick, rational thinking, but when you're good and crazy,  
> oooh, oooh,
>  oooh, the sky is the limit!"  --- The Tick
>

--
John Ronan <jronan at tssg.org>, +353-51-302938
Telecommunications Software &  Systems Group,  http://www.tssg.org