On Tue, Oct 25, 2016 at 10:23 PM, Rich Shepard <[email protected]> wrote: > On Tue, 25 Oct 2016, Dave Roberts wrote: > >> But here again is the confusion. The position of objects relative to each >> other is independent of the number of layers associated with each object. >> And so it seems to me that when GRASS users talk about "geometry" they >> mean space AND layers combined because they are inseparable in the >> implementation. Perhaps we need a new word for spatial realization and >> attributes combined rather than geometry. > > > Dave, > > Well, I consider layers to be the third dimension in GRASS vector object > geometry. They are not independent geometrically if we think of them as > 'themes,' each mapping objects of the same type, and yet that theme/layer > has positional relationhips (geometry) with other layer which is usually > where our interest lies.
I agree, nice description! Thanks, Rich. Markus M _______________________________________________ grass-user mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/grass-user
