>> Hamish: >>> I just added redirection from stdin support to r.in.xyz. Everything >>> seems to work, but of course testing is appreciated. > > Eric wrote: >> Thanks very much for this. I've tested r.in.xyz on a massive Simrad >> EM710 swath bathymetry dataset. Results follow:
<snip> >> The newly-gridded bathy looks fine; identical to the original. > > r.univar results the same? (n and sum) > or > r.mapcalc diff_map=old-new > r.univar diff_map > Hamish: > maybe we need a r.md5sum option added to r.info? > > I finally got around to running some long overdue r.univar comparisons between a bathymetry dataset exported from r.out.xyz and stdin'd to r.in.xyz: ~/Projects >g.region -pg n=5030730 s=5006690 w=372650 e=404020 nsres=10 ewres=10 rows=2404 cols=3137 cells=7541348 ~/Projects >r.out.xyz input=Matthew_2007006_AllBathy_10m.grd | r.in.xyz input=- output=testing_r_in_xyz ~/Projects >r.univar -g map=Matthew_2007006_AllBathy_10m.grd n=2497361 null_cells=5043987 min=-171.591 max=-8.47771 range=163.113 mean=-46.3785 mean_of_abs=46.3785 stddev=21.4064 variance=458.235 coeff_var=-46.1559 sum=-115823957.9045209885 ~/Projects >r.univar -g testing_r_in_xyz n=2497361 null_cells=5043987 min=-171.591 max=-8.47771 range=163.113 mean=-46.3785 mean_of_abs=46.3785 stddev=21.4064 variance=458.235 coeff_var=-46.1559 sum=-115823957.9045209885 ~/Projects >r.mapcalc diff_map = 'Matthew_2007006_AllBathy_10m.grd - testing_r_in_xyz' ~/Projects >r.univar -g diff_map n=2497361 null_cells=5043987 min=0 max=0 range=0 mean=0 mean_of_abs=0 stddev=0 variance=0 coeff_var=nan sum=0 Looks pretty good to me! Thanks again, -- Eric Patton Technologist Geological Survey of Canada (Atlantic) Bedford Institute of Oceanography Dartmouth, Nova Scotia, Canada 902.426.7732 [EMAIL PROTECTED] _______________________________________________ grassuser mailing list [email protected] http://grass.itc.it/mailman/listinfo/grassuser
