The solution exists if we want to use a free download tool. I do have source code for performing grid transformation from NTv2 files, but I think the effort creating an accurate tool for bbq's isn't justified. The tool from act gov will be within a metre. Its just a little annoying that each set of coordinates will have to be copied into the tool. If needed I can combine the spreadsheets and produce an all-one-solution that is within a metre, probably by Monday. The question is, do we need this? Is there sufficient data to justify spending time on a spreadsheet solution?
Evan On Saturday 03 Oct 2009 12:51:51 Liz wrote: > On Sat, 3 Oct 2009, John Smith wrote: > > 2009/10/3 Evan Sebire <e...@sebire.org>: > > > The problem is there is not one spreadsheet. The downloadable tool is > > > rough enough for these types of POI. High accuracy between AMG to MGA > > > only can be done with tools that use grid transformation (a bit table > > > of values, NT file), these are also available as a free download, but > > > would then require two exe tools! > > > We could merge two spreadsheets, but not sure about the copyrights and > > > providing this merge sheet to the osm list. > > > > For personal use there shouldn't be an issue, and math formulas can't > > be copyrighted... > > > > Alternatively we could just wait to see if Liz gets a response from > > her son on how to do it... > > > > _______________________________________________ > > Talk-au mailing list > > Talk-au@openstreetmap.org > > http://lists.openstreetmap.org/listinfo/talk-au > > yes i've forwarded the mail to him > he does like a challenge > _______________________________________________ Talk-au mailing list Talk-au@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-au
