Circle

dwv.math. Circle

new Circle(centre, radius)

Source:

Circle shape.

Parameters:
Name Type Description
centre dwv.math.Point2D

A Point2D representing the centre of the circle.

radius number

The radius of the circle.

Methods

equals(rhs) → {boolean}

Source:

Check for equality.

Parameters:
Name Type Description
rhs dwv.math.Circle

The object to compare to.

Returns:

True if both objects are equal.

Type
boolean

getCenter() → {dwv.math.Point2D}

Source:

Get the centre (point) of the circle.

Returns:

The center (point) of the circle.

Type
dwv.math.Point2D

getRadius() → {number}

Source:

Get the radius of the circle.

Returns:

The radius of the circle.

Type
number

getRound() → {Array}

Source:

Get the rounded limits of the circle. (see https://en.wikipedia.org/wiki/Circle#Equations) Circle formula: xx + yy = rr => y = (+-) sqrt(rr - x*x)

Returns:

The rounded limits.

Type
Array

getSurface() → {number}

Source:

Get the surface of the circle.

Returns:

The surface of the circle.

Type
number

getWorldSurface(spacingX, spacingY) → {number}

Source:

Get the surface of the circle according to a spacing.

Parameters:
Name Type Description
spacingX number

The X spacing.

spacingY number

The Y spacing.

Returns:

The surface of the circle multiplied by the given spacing or null for null spacings.

Type
number

quantify(viewController, flags) → {object}

Source:

Quantify an circle according to view information.

Parameters:
Name Type Description
viewController dwv.ctrl.ViewController

The associated view controller.

flags Array

A list of stat values to calculate.

Returns:

A quantification object.

Type
object