Sorry, I've seen that, and it doesn't seem to have what I want. It discusses lat-lon to TM2 (TWD67 and TWD97 versions) and TWD67 to TWD97, but not TWD67 (or TWD97) coordinates to WGS84 coordinates. Can't find the values (deltaX, deltaY, deltaZ) in the most recent NIMA lists either !
> -----Original Message----- > From: Robert Heitzman [mailto:rheitzman@hotmail.com\ > Sent: Tuesday, March 19, 2002 11:58 AM > To: gary_hubbs@thsrc.com.tw > Subject: Re: GISList: TWD67, TWD97 datum shift parameters > > > > http://www.geocities.com/jidanni/taiwan-gps-qa_en.html > > A google.com search came up with this and several others. > > >From: gary-hubbs <gary_hubbs@thsrc.com.tw> > >To: "Gps-List (E-mail)" <gps-mapping@yahoogroups.com>, > "Gislist (E-mail)" > ><gislist@geocomm.com>, "Intergraph Email discussion List (E-mail)" > ><ingrlist@geocomm.com>, "GeoMedia Email Discussion List (E-mail)" > ><geomedia-l@lists.directionsmag.com> > >Subject: GISList: TWD67, TWD97 datum shift parameters > >Date: Tue, 19 Mar 2002 11:51:21 +0800 > > > >Can anyone tell me the datum shift parameters to use to > convert from TWD67 > >and/or TWD97 to WGS84 ? > > > >Gary Hubbs > >Senior GIS Engineer > >Technical Support Department > >Construction Management Group > >Taiwan High Speed Rail Corporation > >4th Floor, No. 100 Hsin Yi Road, Sector 5 > >Taipei, Taiwan 110, R.O.C. > >Telephone +886 2 8729 2000 x3148 > >Fax +886 2 8725 1376 > > > > > > > >To unsubscribe, write to gislist-unsubscribe@geocomm.com > >_____________________________________________________________ > ___________ > >Setup a GeoCommunity Account and have access to FAST DataDownloads > >and Premium Career Posting at a discounted rate! > >https://www.geocomm.com/cgi-bin/accounts/login > > > >On-line Archives available at > >http://spatialnews.geocomm.com/community/lists/ > > > > > > > ============= > Bob Heitzman 120W35N > Systems Analyst II > SLO County APCD > > > _________________________________________________________________ > MSN Photos is the easiest way to share and print your photos: > http://photos.msn.com/support/worldwide.aspx >
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