RS_InfoArea Class Reference

Class for getting information about an area. More...

#include <rs_infoarea.h>

List of all members.

Public Member Functions
	RS_InfoArea ()
	Constructor.
	~RS_InfoArea ()
	Destructor.
void	reset ()
	Resets the points.
void	addPoint (const RS_Vector &p)
	Adds a point to the internal list.
void	calculate ()
	Calculates the area and the circumference of the area.
void	close ()
	Closes the polygon if it is not closed already.
bool	isValid ()
bool	isClosed ()
double	getArea () const
double	getCircumference () const
int	count () const
RS_Vector	at (int i) const

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Detailed Description

Class for getting information about an area.

Author:

Guenter Szolderits

Andrew Mustun

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Member Function Documentation

void RS_InfoArea::addPoint (  const RS_Vector &  p  )

Adds a point to the internal list. Parameters: p  coordinate of the point

bool RS_InfoArea::isClosed (   )

Return values: true  If the area is closed (i.e. start point and end point are identical) false  Otherwise.

bool RS_InfoArea::isValid (   )

Return values: true  If the area is defined (i.e. there are at least 3 points) false  If there are only two or less points.

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

• rs_infoarea.h
• rs_infoarea.cpp

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