line2d Class Reference

2d line More...

#include <angelcad.h>

Public Member Functions
	line2d (const pos2d@ p1, const pos2d@ p2)
	Construct line segment from p1 to p2. More...
double	length () const
	Compute length of line segment. More...
double	project (pos2d@ point) const
	Project point onto line segment and return line parameter of projetion point. More...
pos2d@	end1 () const
	Return 1st end point on line segment. More...
pos2d@	end2 () const
	Return 2nd end point on line segment. More...
pos2d@	interpolate (double par) const
	Compute point on (infinite) line given line segment parameter (0=end1, 1=end2) More...

Detailed Description

2d line

Constructor & Destructor Documentation

line2d()

line2d::line2d	(	const pos2d@	p1,
		const pos2d@	p2
	)

Construct line segment from p1 to p2.

Parameters

p1	pos2d@, Line segment start point, corresponds to parameter=0.0
p2	pos2d@, Line segment end point, corresponds to parameter=1.0

Member Function Documentation

end1()

pos2d@ line2d::end1

(

)

const

Return 1st end point on line segment.

Returns

pos2d@

end2()

pos2d@ line2d::end2

(

)

const

Return 2nd end point on line segment.

Returns

pos2d@

interpolate()

pos2d@ line2d::interpolate

(

double

par

)

const

Compute point on (infinite) line given line segment parameter (0=end1, 1=end2)

Parameters

par	double, Interpolation parameter value

Returns

pos2d@

length()

double line2d::length

(

)

const

Compute length of line segment.

Returns

double

project()

double line2d::project

(

pos2d@

point

)

const

Project point onto line segment and return line parameter of projetion point.

Parameters

point

pos2d@, Point to be projected onto line

Returns

double

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The documentation for this class was generated from the following file:

• angelcad.h