Drawing

#include<CGAL/draw_arrangement_2.h>

Functions
template<typename GeometryTraits_2 , typename Dcel , typename GSOptions >
void	CGAL::draw (const Arrangement_2< GeometryTraits_2, Dcel > &arr, const GSOptions &gso)
	opens a new window and draws arr, an instance of the CGAL::Arrangement_2 class template.
template<typename GeometryTraits_2 , typename Dcel >
void	CGAL::draw (const Arrangement_2< GeometryTraits_2, Dcel > &arr)
	A shortcut to CGAL::draw(arr, Graphics_scene_options{}).
template<typename GeometryTraits_2 , typename Dcel , typename GSOptions >
void	CGAL::add_to_graphics_scene (const Arrangement_2< GeometryTraits_2, Dcel > &arr, CGAL::Graphics_scene &gs, const GSOptions &gso)
	adds the vertices, edges and faces of arr into the given graphic scene gs.
template<typename GeometryTraits_2 , typename Dcel >
void	CGAL::add_to_graphics_scene (const Arrangement_2< GeometryTraits_2, Dcel > &arr, CGAL::Graphics_scene &gs)
	A shortcut to CGAL::add_to_graphics_scene(arr, gs, Graphics_scene_options{}).

Function Documentation

add_to_graphics_scene()

template<typename GeometryTraits_2 , typename Dcel , typename GSOptions >

void CGAL::add_to_graphics_scene	(	const Arrangement_2< GeometryTraits_2, Dcel > &	arr,
		CGAL::Graphics_scene &	gs,
		const GSOptions &	gso
	)

#include <CGAL/draw_arrangement_2.h>

adds the vertices, edges and faces of arr into the given graphic scene gs.

Parameters of the cells are taken from the optional graphics scene options parameter gso. Note that gs is not cleared before being filled (to enable to draw several data structures in the same basic viewer).

Template Parameters

GeometryTraits_2	a geometry traits type, a model of a 2D arrangement traits concept. At this point it must be an instance of either CGAL::Arr_segment_traits_2 or CGAL::Arr_conic_traits_2.
Dcel	the DCEL type, a model of the ArrangementDcel concept.
GSOptions	a model of GraphicsSceneOptions concept.

Parameters

arr	the 2D arrangement to draw.
gs	the graphic scene to fill.
gso	the graphics scene options parameter.

draw()

template<typename GeometryTraits_2 , typename Dcel , typename GSOptions >

void CGAL::draw	(	const Arrangement_2< GeometryTraits_2, Dcel > &	arr,
		const GSOptions &	gso
	)

#include <CGAL/draw_arrangement_2.h>

opens a new window and draws arr, an instance of the CGAL::Arrangement_2 class template.

Parameters of the drawing are taken from the optional graphics scene options parameter.

A call to this function blocks the execution of the program until the drawing window is closed. This function requires CGAL_Qt6, and is only available if the macro CGAL_USE_BASIC_VIEWER is defined. Linking with the cmake target CGAL::CGAL_Basic_viewer will link with CGAL_Qt6 and add the definition CGAL_USE_BASIC_VIEWER.

Template Parameters

GeometryTraits_2	a geometry traits type, a model of a 2D arrangement traits concept. At this point it must be an instance of either CGAL::Arr_segment_traits_2 or CGAL::Arr_conic_traits_2.
Dcel	the DCEL type, a model of the ArrangementDcel concept.
GSOptions	a model of GraphicsSceneOptions concept.

Parameters

arr	the 2D arrangement to draw.
gso	the graphics scene options parameter.

See also

ArrangementDcel

ArrangementTraits_2