Thanks Hamish, I never noticed those boxes, but it depends on the zoom level, as their size is fixed.
http://img209.imageshack.us/img209/7904/nodesquareinvisible.png It wasn't a foundamental question, but I wanted be sure eveything was ok with my layer. Besides in the courses I teach students are able to ask similar questions and I want to be ready! :) giovanni 2013/4/12 Hamish <[email protected]> > Giovanni wrote: > > I haven't been able to find an explanation for the meaning of > > the square boxes that appear around my lines layer's nodes, > > when I display topological informations on the map. > > > > I thought they could indicate errors, but my layer appear to be > > topologically ok. > > they are just simple boxes drawn around all nodes. > see {D|G}_plot_icon() at the end of d.vect/topo.c > https://trac.osgeo.org/grass/browser/grass/trunk/display/d.vect/topo.c#L75 > > > Hamish > -- Giovanni Allegri http://about.me/giovanniallegri blog: http://blog.spaziogis.it GEO+ geomatica in Italia http://bit.ly/GEOplus
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