On Thursday 11 December 2008, Frank Warmerdam wrote: > Peter N. Schweitzer wrote: > > Dylan Beaudette wrote: > >> Looks close to the output from proj4 above. > >> > >> Thoughts? > > > > Dylan, > > > > Thanks for showing me how to check the calculations. I get identical > > results using my copies of cs2cs and postgis, on both systems. > > I conclude from this that the effect of adding @null to the definition > > of NAD27 in pj_datums.c is that it somehow eliminates the error message > > but doesn't render the results incorrect. I don't pretend to understand > > why this is so, but I'm happy to proceed with this configuration. > > Peter, > > Adding @null to the end essentially means that if all else fails, just > apply a null transformation and don't complain if the null file isn't > found. > > Best regards,
Ah. Thanks for the note Frank. I will need to dig up the geometry that was causing mysterious proj-related errors on an otherwise functioning system. Cheers, Dylan -- Dylan Beaudette Soil Resource Laboratory http://casoilresource.lawr.ucdavis.edu/ University of California at Davis 530.754.7341 _______________________________________________ postgis-users mailing list postgis-users@postgis.refractions.net http://postgis.refractions.net/mailman/listinfo/postgis-users