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- From: xoru <>
- To: "" <>
- Subject: [cgal-discuss] polygon
- Date: Tue, 19 Dec 2017 18:35:26 +0100
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- Ironport-phdr: 9a23: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
I always get :
P = { Outer boundary = [ 4 vertices: (0 0) (1 0) (1 1) (0 1) ]
1 holes:
Hole #1 = [ 4 vertices: (0.4 0.4) (0.6 0.4) (0.6 0.6) (0.4 0.6) ]
}
CGAL warning: check violation!
_expression_ : valid_orientation
File : /usr/include/CGAL/Boolean_set_operations_2/Gps_polygon_validation.h
Line : 778
Explanation: The polygon has a wrong orientation.
Refer to the bug-reporting instructions at http://www.cgal.org/bug_report.html
terminate called after throwing an instance of 'CGAL::Precondition_exception'
what(): CGAL ERROR: precondition violation!
Expr: is_valid_unknown_polygon(p, t)
File: /usr/include/CGAL/General_polygon_set_on_surface_2.h
Line: 48
Aborted
1 holes:
Hole #1 = [ 4 vertices: (0.4 0.4) (0.6 0.4) (0.6 0.6) (0.4 0.6) ]
}
CGAL warning: check violation!
_expression_ : valid_orientation
File : /usr/include/CGAL/Boolean_set_operations_2/Gps_polygon_validation.h
Line : 778
Explanation: The polygon has a wrong orientation.
Refer to the bug-reporting instructions at http://www.cgal.org/bug_report.html
terminate called after throwing an instance of 'CGAL::Precondition_exception'
what(): CGAL ERROR: precondition violation!
Expr: is_valid_unknown_polygon(p, t)
File: /usr/include/CGAL/General_polygon_set_on_surface_2.h
Line: 48
Aborted
How union 2 polygons with holes or not?
When I read from svg path I get any orientation. Is possible to change orientation automaticaly?
P have 2 holes. Q not.
Anybody can help me and write completly example?
- [cgal-discuss] polygon, xoru, 12/19/2017
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