Edge.hpp File Reference

Edge between cells. More...

#include <vector>
#include "geometry.hpp"

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Classes
class	Edge
	Interface between two cells. More...

Functions
Vector2D	Parallel (Edge const &edge)
	Calculates a unit vector parallel to an edge. More...
double	DistanceToEdge (Vector2D const &point, Edge const &edge)
	Calculates the distance of a point to an edge. More...
bool	SegmentIntersection (Edge const &edge1, Edge const &edge2, Vector2D &Intersection, double eps=1e-8)
	Calculates the intersection of two edges. More...
Vector2D	calc_centroid (const Edge &edge)
	Calculates the centroid of an edge. More...

Detailed Description

Edge between cells.

Author

Elad Steinberg

Definition in file Edge.hpp.

Function Documentation

calc_centroid()

Vector2D calc_centroid

(

const Edge &

edge

)

Calculates the centroid of an edge.

Parameters

edge

An edge

Returns

Centroid

Definition at line 88 of file Edge.cpp.

DistanceToEdge()

double DistanceToEdge	(	Vector2D const &	point,
		Edge const &	edge
	)

Calculates the distance of a point to an edge.

Parameters

point	The point
edge	The edge

Returns

The minimum distance between the point and the edge

Definition at line 31 of file Edge.cpp.

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Parallel()

Vector2D Parallel

(

Edge const &

edge

)

Calculates a unit vector parallel to an edge.

Parameters

edge

Edge

Returns

Unit vector parallel to the edge

Definition at line 83 of file Edge.cpp.

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SegmentIntersection()

bool SegmentIntersection	(	Edge const &	edge1,
		Edge const &	edge2,
		Vector2D &	Intersection,
		double	eps = 1e-8
	)

Calculates the intersection of two edges.

Parameters

edge1	The first edge
edge2	The second edge
Intersection	Gets the value of the intersection point
eps	The relative tolerance in units of the smaller edge

Returns

true if the intersection is on the edges and false if it is outside them

Definition at line 45 of file Edge.cpp.

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