Hi, You are updating the viewer for each vertex, which is catastrophic for performance. First build your vertices and give the list as an argument to display.DisplayShape( your_vertex_list_here ). That should help.
-jelle On Mon, Dec 13, 2010 at 5:13 PM, Henry Bonette <freeminde...@gmail.com>wrote: > Hello the community, > > I am new here and started a project, whose purpose is first to deal with a > cloud of points. > 100 000 points at least is quite usual for measuring systems. > Also the points should be selectable (even if it is only in a defined or > selected area). > > Using following code, the performances in the viewer like usual > ROTATE/ZOOM/PAN are far from being acceptable, even with 20 000 points. > I am wondering if it is due to the BREP representation I used here ? > > So my question is : > Do I need this Brep fonction to have selectable points ? > Is there any way to have acceptable ROTATE ZOOM PAN for large points model > ? > ( Note I read I can pass a the list of points "liste" in the > display.DisplayShape(...) but I didn t found out how ... but this will fast > up the first display I guess, not ROTATE ZOOM PAN) > > Thanks for any help > Francois > > -------------------------- > > CODE: > ... > pt = gp_Pnt ( coord_x, coord_y, coord_z ) > liste.append ( pt ) > > for ppi in liste : > display.DisplayShape( BRepBuilderAPI_MakeVertex (ppi).Shape(), > update=False ) > > display.FitAll ( ) > ... > --------------------------- > > _______________________________________________ > Pythonocc-users mailing list > Pythonocc-users@gna.org > https://mail.gna.org/listinfo/pythonocc-users > >
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