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| GeoCommunity Mailing List |
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| Mailing List Archives |
| Subject: | GISList: Vertical Datum Conversion - NAVD88 to 29 |
| Date: |
07/31/2002 03:19:23 PM |
| From: |
David Crosby |
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Hi all,
I have some point and breakline data (in ARC generate format) in NAVD88 tha=
t I am going to use to construct a TIN. Problem is that I need this data i=
n NAVD29.=20=20
Does anyone know of any utility/software that can convert the vertical datu=
m on this data? I am going to be constructing a lattice, and eventually co=
ntours from this data too, so I could do the datum change on either the raw=
data, a coverage, a shapefile, or a raster, but I cannot find a utility th=
at will convert the data from the format it is in, or any of the other form=
ats. I have looked at VERTCON and CORPSCON, but they do not appear to be a=
ble to use any of the data formats that I have. I have looked at Geographi=
c Calculator from Blue Marble, but it does not appear that it will change t=
he vertical datum of a shapefile, only the horizontal.=20=20
Any ideas?
Thanks a lot,
David=20
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