C# Class NPlot.ArrowItem

An Arrow IDrawable, with a text label that is automatically nicely positioned at the non-pointy end of the arrow. Future feature idea: have constructor that takes a dataset, and have the arrow know how to automatically set it's angle to avoid the data.

Inheritance: IDrawable

Mostra file Open project: mono/nplot-gtk Class Usage Examples

Public Methods

Method	Description
ArrowItem ( PointD position ) : System	Default constructor : text = "" angle = 45 degrees anticlockwise from horizontal.
ArrowItem ( PointD position, double angle ) : System	Constructor
ArrowItem ( PointD position, double angle, string text ) : System	Constructor
Draw ( System g, PhysicalAxis xAxis, PhysicalAxis yAxis ) : void	Draws the arrow on a plot surface.

Private Methods

Method	Description
Init ( ) : void

Method Details

ArrowItem() public method

Default constructor : text = "" angle = 45 degrees anticlockwise from horizontal.

public ArrowItem ( PointD position ) : System
position	PointD	The position the arrow points to.
return	System

ArrowItem() public method

Constructor

public ArrowItem ( PointD position, double angle ) : System
position	PointD	The position the arrow points to.
angle	double	angle of arrow with respect to x axis.
return	System

ArrowItem() public method

Constructor

public ArrowItem ( PointD position, double angle, string text ) : System
position	PointD	The position the arrow points to.
angle	double	angle of arrow with respect to x axis.
text	string	The text associated with the arrow.
return	System

Draw() public method

Draws the arrow on a plot surface.

public Draw ( System g, PhysicalAxis xAxis, PhysicalAxis yAxis ) : void
g	System	graphics surface on which to draw
xAxis	PhysicalAxis	The X-Axis to draw against.
yAxis	PhysicalAxis	The Y-Axis to draw against.
return	void