convex_hull.h File Reference

#include <vector>
#include <math/vector2d.h>
#include <geometry/eda_angle.h>

Go to the source code of this file.

Functions
void	BuildConvexHull (std::vector< VECTOR2I > &aResult, const std::vector< VECTOR2I > &aPoly)
	Calculate the convex hull of a list of points in counter-clockwise order.
void	BuildConvexHull (std::vector< VECTOR2I > &aResult, const SHAPE_POLY_SET &aPolygons)
	Calculate the convex hull of a SHAPE_POLY_SET.
void	BuildConvexHull (std::vector< VECTOR2I > &aResult, const SHAPE_POLY_SET &aPolygons, const VECTOR2I &aPosition, const EDA_ANGLE &aRotation)
	Calculate the convex hull (rotated and moved) of a SHAPE_POLY_SET.

Function Documentation

BuildConvexHull() [1/3]

void BuildConvexHull	(	std::vector< VECTOR2I > &	aResult,
		const SHAPE_POLY_SET &	aPolygons
	)

Calculate the convex hull of a SHAPE_POLY_SET.

Parameters

aResult	is a vector to store the convex polygon.
aPolygons	is the SHAPE_POLY_SET.

Definition at line 134 of file convex_hull.cpp.

References ANGLE_0, and BuildConvexHull().

BuildConvexHull() [2/3]

void BuildConvexHull	(	std::vector< VECTOR2I > &	aResult,
		const SHAPE_POLY_SET &	aPolygons,
		const VECTOR2I &	aPosition,
		const EDA_ANGLE &	aRotation
	)

Calculate the convex hull (rotated and moved) of a SHAPE_POLY_SET.

Parameters

aResult	is a vector to store the convex polygon.
aPolygons	is the set of polygons.
aPosition	is the final position of the convex hull.
aRotation	is the rotation of the convex hull.

Definition at line 140 of file convex_hull.cpp.

References BuildConvexHull(), SHAPE_POLY_SET::COutline(), SHAPE_LINE_CHAIN::CPoint(), SHAPE_POLY_SET::OutlineCount(), SHAPE_LINE_CHAIN::PointCount(), RotatePoint(), VECTOR2< T >::x, and VECTOR2< T >::y.

BuildConvexHull() [3/3]

void BuildConvexHull	(	std::vector< VECTOR2I > &	aResult,
		const std::vector< VECTOR2I > &	aPoly
	)

Calculate the convex hull of a list of points in counter-clockwise order.

Parameters

aResult	is a vector to store the convex polygon.
aPoly	is the list of points.

Definition at line 87 of file convex_hull.cpp.

References compare_point(), and cross_product().

Referenced by ZONE_FILLER::addKnockout(), BuildConvexHull(), MULTICHANNEL_TOOL::buildRAOutline(), TEARDROP_MANAGER::computeAnchorPoints(), FOOTPRINT::GetBoundingHull(), and DSN::SPECCTRA_DB::makePADSTACK().