[mapserver-users] OGR Support for TIGER 2000 Data?
Kieran J. Ames
kames at keyspanenergy.com
Thu Aug 9 11:04:48 EDT 2001
It seems mapserver.gis.umn.edu is down. :(
I'm trying to understand these TIGER files and can't quite grasp the record
types. I'm wondering if ZIP CODES are available within these data, since my
Zip code polygon files are a few years old.
Ed McNierney wrote:
> Dawn breaks on Marblehead (as they say around here...)
> Rob -
> Thanks! I have no problems at all and my OGRINFO tests work, and
> MapServer works.
> Jeff threw me off the trail by naming the directory in which he stored
> the TGR25001.* files "TGR25001". As a result, I thought he was simply
> specifying the root name of the files - and that OGR would simply look
> for TGR25001.* in the same directory as specified. Instead, he was
> specifying the name of the DIRECTORY holding all the TGR25001.* files.
> I'm happy - everything works. Thanks everyone for the help! Jeff, you
> might want to update your excellent example pages to make this
> distinction clearer.
> - Ed
> Ed McNierney
> Chief Mapmaker
> ed at topozone.com
> (978) 251-4242
> -----Original Message-----
> From: Rob Martinson [mailto:cathode at nichebox.com]
> Sent: Tuesday, August 07, 2001 2:56 PM
> To: 'Jeff McKenna'; Ed McNierney
> Cc: 'Users'
> Subject: RE: [mapserver-users] OGR Support for TIGER 2000 Data?
> Okay, this was a bit confusing to me but I now see what Jeff is saying.
> OGR must look at the entire directory of raw data to open any of the
> layers instead of a single .RT* file. I thought Jeff just meant that the
> full path to the file must be specified, but instead just the directory
> where the layers reside must be specified.
> For example, my TIGER data is in:
> In this directory I have files TGR53063.RT1 through TGR53063.RTZ.
> Instead of calling ogrinfo as:
> ogrinfo /usr/local/mapdata/TIGER_2000/WA/53063/TGR53063.RT1
> Try calling as:
> ogrinfo /usr/local/mapdata/TIGER_2000/WA/53063
> So OGR can look at the entire data structure. Works for me on this end
> now. Thanks Jeff!
> Rob Martinson
> Nichebox - http://www.nichebox.com
> Development - http://dev.nichebox.com
> > -----Original Message-----
> > From: owner-mapserver-users at lists.gis.umn.edu
> > [mailto:owner-mapserver-users at lists.gis.umn.edu] On Behalf Of
> > Jeff McKenna
> > Sent: Tuesday, August 07, 2001 4:01 PM
> > To: Ed McNierney
> > Cc: Users
> > Subject: Re: [mapserver-users] OGR Support for TIGER 2000 Data?
> > >
> > > Thank for figuring that out! However, I still can't get it
> > to work.
> > > I'm running the OGR tools I built (under Windows 2000) in the GDAL
> > > 1.1.5 distribution. OGRINFO still refuses to recognize the
> > data set.
> > > Are you using a different OGR?
> > >
> > Hi Ed,
> > I just checked out the latest CVS version of GDAL (v1.1.5)
> > and built it (under Windows NT), and OGRINFO works fine for
> > me. Hmm. I placed OGRINFO into the directory where the
> > TIGER data resides (i.e. placed TGR25001.RT1, TGR25001.RT2...
> > in the same directory as OGRINFO). The syntax I used for
> > OGRINFO is: $ ogrinfo full/path/to/data
> > This worked fine for me. Maybe someone else has some ideas?
> > --
> > Jeff McKenna
> > GIS Specialist
> > DM Solutions Group Inc.
> > Ottawa, Ontario
> > http://www.dmsolutions.ca/
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