Hello Tim,
First, the large scale (1:20,000) quads in SDTS format can be
downloaded from edcftp.cr.usgs.gov/pub/data/DLG/LARGE_SCALE free
of charge. It is helpful if you have a map index since the directories are
arranged alphabetically and the quads listed by name. I believe there is
page where you can access the database listed by state/territory.
Second, I use both the dlg- and tgr- to MIF programs from
GIS Tools, and in my opinion these are excellent programs. Their dlg2mif
will translate both dlg-o and sdts. Again, this is only an opinion,
you can download the demo and try it out.
Regards,
----- Original Message -----
Sent: Friday, 03 September, 1999 11:18
AM
Subject: SDTS to MIF or TAB
translator
I'm having a more than frustrating time converting some SDTS
files into
something MI understands. I bought Bill Thoen's dlg2mif
translator but now
I find it only works with the optional format files and
not with the SDTS
format (.ddf extension). I have data for all of
California that I purchased
from GIS Data Depot, but for at least some of
the areas there is only SDTS
format data.
I've tried Sol Katz's
sdts2mif program which seems to be able to read the
header file but then
gives an error message saying "Can't Open File".
Anyway, I'm now
frustrated enough to consider shelling out more money to
buy one of the
commercial translators, but am looking for some feedback on
which one is
best. I'd really like something that's Window's based and can
convert both
attribute and object files. Any suggestions? I've checked the
web sites of
Geomorph, GIS Tools and FME, but I'd like some realworld
feedback.
TIA,
Tim
________________________________________
Tim
Warman
Geologist & GIS Specialist
Richard C. Slade & Associates,
Consulting Groundwater Geologists
North Hollywood, CA 91606
(818)
506-0418
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