Thought that might be the case, but always worth a quick question, some think I think are really difficult seem to get done very swiftly
thanks Andrew On 14/02/11 12:56, Martin Budaj wrote: >>> Which led me to the thought, maybe therion should warn, but continue if >>> it finds an co-ordinate outside the area covered by the cs selected? >> >> I'll second that. A couple of years ago I was trying to work out why north >> became south! It was a cs out of range error due to a mistyped digit. > > It is not trivial for projected coordinate systems. It would be > necassary to specify the range for each CS used. Valid ranges for some > (not all) EPSG codes are listed at http://spatialreference.org/. > > Perhaps the realistic implementation would be to let the user specify > valid range for any CS he defines (CS definition is not supported yet, > but planned). Then if you want to be sure with your coordinates, just > define custom CS by copying EPSG definition and add valid range from > http://spatialreference.org/. > > Martin > _______________________________________________ > Therion mailing list > Therion at speleo.sk > http://mailman.speleo.sk/mailman/listinfo/therion
