Drawing TIGER file Polygons

[Chris Hackel]

Frank--Thanks very much for the lead.
Is there a better (freely available) data source for
me to use? One that would make the process simpler?
I'm completely new to this and the Census TIGER files
were the only option I found.


--- Frank Warmerdam <fwarmerdam at gmail.com> wrote:
> On 4/22/05, Chris Hackel <cvhackel at yahoo.com> wrote:
> > How does one extract polygon data from TIGER files
> in
> > a directory? I can't find any good documentation
> and
> > the only reference I have is the snippet below.
> > I understand the script for the most part, but
> this is
> > coming from a database, whereas I just have a
> > directory with the RT1, RT2, RT3.. etc files in
> it.
>
> Chris,
>
> The GDAL source distribution includes a tigerpoly.py
> script
> that will form polygons from tiger data.  Basically
> the issue with
> TIGER data via OGR is that OGR gives a very literal
> view of the
> tiger data and you need to form the polygons
> yourself.
>
>
>
http://www.gdal.org/srctree/pymod/samples/tigerpoly.py
>
> I understand Schyuler (author of Mapping Hacks:
> http://mappinghacks.com)
> has also written a similar script that loads the
> data into PostGIS and
> does some additinoal transformations on it.
>
> Best regards,
> --
>
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> I set the clouds in motion - turn up   | Frank
> Warmerdam, warmerdam at pobox.com
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