[Gdal-dev] FW: TIGER not lining up?

Ben Discoe ben at vterrain.org
Thu Jun 23 22:30:58 EDT 2005


Frank,
I tried GDAL (OGR actually) on the Hawaiian TIGER2000 dataset, and it also
gets the Datum wrong (NAD83, not OHD).  Should be a quick fix?
Thanks,
Ben

> -----
> From: Global Mapper Support [mailto:support at globalmapper.com]
> Sent: Thursday, June 16, 2005 11:31 AM
> To: 'Ben Discoe'
> 
> I took a look and was able to reproduce your problem. As it turns out, 
> everything in the Tiger data is NAD83 with the exception of Hawaii. 
> The Tiger document actually says that they're not sure what datum the 
> data is in Hawaii, but selecting Old Hawaiian Mean produces good 
> results, so I switched the Tiger load to use Old Hawaiian Mean for 
> Hawaiian files.
> Let me know if you see any more problems.
> Thanks,
> 
> Mike
> Global Mapper Software LLC
> support at globalmapper.com
> 
> > -----
> > From: Ben Discoe [mailto:ben at vterrain.org]
> > Sent: Thursday, June 16, 2005 1:06 PM
> > To: 'Global Mapper Support'
> > Subject: TIGER not lining up?
> > 
> > I tried out some TIGER2000 data today for my area (big 
> > island of hawaii).  I grabbed it from the Census site:
> > http://www2.census.gov/geo/tiger/tiger2k/hi/tgr15001.zip
> > 
> > When i bring it into GM, it doesn't line up with any of the other 
> > data layers i'm using, in particular USGS DLG.




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