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more cleanup

felipesanches-svg
don bright 2012-10-28 12:40:16 -05:00
parent 66b6433ffe
commit 434ebe017d
1 changed files with 4 additions and 11 deletions
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15
src/PolySetCGALEvaluator.cc
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@ -20,20 +20,15 @@
#include <boost/foreach.hpp> #include <boost/foreach.hpp>
#include <vector> #include <vector>
/* /*
ZRemover ZRemover
This class converts one or more already 'flat' Nef3 polyhedra into a Nef2 This class converts one or more already 'flat' Nef3 polyhedra into a Nef2
polyhedron by stripping off the 'z' coordinates from the vertices. polyhedron by stripping off the 'z' coordinates from the vertices. The
resulting Nef2 poly is accumulated in the 'output_nefpoly2d' member variable.
The class uses the 'visitor' pattern from the CGAL manual -- multiple 3d Notes on CGAL's Nef Polyhedron2:
Nef polys fed to this class, with the resulting Nef2 poly accumulating
in the 'output_nefpoly2d' member variable.
Some notes on CGAL's Nef Polyhedron2:
1. The 'mark' on a 2d Nef face is important when doing unions/intersections. 1. The 'mark' on a 2d Nef face is important when doing unions/intersections.
If the 'mark' of a face is wrong the resulting nef2 poly will be unexpected. If the 'mark' of a face is wrong the resulting nef2 poly will be unexpected.
@ -44,9 +39,7 @@ Some notes on CGAL's Nef Polyhedron2:
the CGAL::is_simple_2() test, resulting in improperly marked nef2 polys. the CGAL::is_simple_2() test, resulting in improperly marked nef2 polys.
3. 3d facets have 'two sides'. we throw out the 'down' side to prevent dups. 3. 3d facets have 'two sides'. we throw out the 'down' side to prevent dups.
Debugging output is in heavily commented SVG format. The class uses the 'visitor' pattern from the CGAL manual. See also
See also
http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Nef_3/Chapter_main.html http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Nef_3/Chapter_main.html
http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Nef_3_ref/Class_Nef_polyhedron3.html http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Nef_3_ref/Class_Nef_polyhedron3.html
OGL_helper.h OGL_helper.h