On Sun, May 26, 2013 at 10:50 AM, Markus Neteler <[email protected]> wrote:
> On Sun, May 26, 2013 at 10:32 AM, Anna Petrášová <[email protected]> > wrote: > ... > > ok, I get it. You shouldn't load flowacc as a layer because than it is > > displayed as another surface which we don't want in this case. Or when > it is > > loaded (when 2D) just uncheck it and adjust the view to see the DEM. > > OK - since I come in the exercise from the 2D view, this may do the trick. > So, in essence, all maps active in the Layer Manager will be treated > as elevation layers in wxNVIZ (?). > yes, loaded raster map = surface > > > Then, > > go to the Data -> Surface -> Surface attributes and change color to > flowacc. > > This should be the same concept as for the old nviz or not? BTW, it's in > > the video tutorial:) > > The old NVIZ I rigorously started from CMD line :-) > > nviz elev=elevation colo=flowacc > > > The problem why you don't see anything when you load both maps is that > > flowacc has large extreme values, so the initial view is confused. > > Indeed, I am surprised (extra unrelated issue) that flowacc has this > range: > > r.univar flowacc > 100% > total null and non-null cells: 525000 > total null cells: 0 > > Of the non-null cells: > ---------------------- > n: 525000 > minimum: -253898 > maximum: 15278.2 > range: 269176 > mean: -275.776 > mean of absolute values: 311.452 > standard deviation: 4199.2 > variance: 1.76333e+07 > variation coefficient: -1522.69 % > sum: -144782397.558392 > > > Anyway > > you should be able see something when you adjust the view to some normal > > height. > > Thanks, Anna. I'll get to speed with it for sure. > you're welcome > Markus >
_______________________________________________ grass-dev mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-dev
