# EArcImp

ostrat.geom.EArc\$.EArcImp
See theEArcImp companion object
final case class EArcImp(startX: Double, startY: Double, cenX: Double, cenY: Double, axesPt1x: Double, axesPt1y: Double, axesPt4x: Double, axesPt4y: Double, endX: Double, endY: Double, counter: Int) extends EArc

implementation class fpr Elliptical Arc. This class stores the start point, the centre point, axis vertex 1, by convention the vertex on the right of the ellipse, axis vertex 4, by convention the vertex at the top of the Ellipse and the rotation counter, to allow arcs of greater than 360 degrees and less than -360 degrees.

## Attributes

Companion:
object
Graph
Supertypes
trait Serializable
trait Product
trait Equals
trait EArc
trait CurveSeg
trait Drawable
trait GeomElem
class Object
trait Matchable
class Any

Concise view

## Value members

### Concrete methods

override def axesPt1: Pt2

The end point of axis 1. By default this is on the right of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

The end point of axis 1. By default this is on the right of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

## Attributes

Definition Classes
override def axesPt2: Pt2

The start point of axis 2. By default this is at the bottom of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

The start point of axis 2. By default this is at the bottom of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

## Attributes

Definition Classes
override def axesPt2x

The X component of the start point of axis 2. By default this is at the bottom of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

The X component of the start point of axis 2. By default this is at the bottom of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

## Attributes

Definition Classes
override def axesPt2y

The Y component of the start point of axis 2. By default this is at the bottom of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

The Y component of the start point of axis 2. By default this is at the bottom of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

## Attributes

Definition Classes
override def axesPt3: Pt2

The start point of axis 1. By default this is on the left of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

The start point of axis 1. By default this is on the left of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

## Attributes

Definition Classes
override def axesPt3x

The X component of the start point of axis 1. By default this is on the left of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

The X component of the start point of axis 1. By default this is on the left of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

## Attributes

Definition Classes
override def axesPt3y

The Y component of the start point of axis 1. By default this is on the left of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

The Y component of the start point of axis 1. By default this is on the left of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

## Attributes

Definition Classes
override def axesPt4: Pt2

The end point of axis 2. By default this is at the top of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

The end point of axis 2. By default this is at the top of the Ellipse. Mathematically this can be referred to as a vertex for the major axis or a co-vertex for the minor axis.

## Attributes

Definition Classes
override def cen: Pt2

The centre of this geometric / graphical element. The centre will not change if the object type is capable of being rotated and is rotated. The cenDefault on other bounded elements may move relative to points on the object when the object is rotated.

The centre of this geometric / graphical element. The centre will not change if the object type is capable of being rotated and is rotated. The cenDefault on other bounded elements may move relative to points on the object when the object is rotated.

## Attributes

Definition Classes
override def cenP1: Vec2

The 2D vector Vec2 from the centre point to pAxes1, the end point of axis 1, by default on the right of the Ellipse this arc is based on.

The 2D vector Vec2 from the centre point to pAxes1, the end point of axis 1, by default on the right of the Ellipse this arc is based on.

## Attributes

Definition Classes
override def cenP2: Vec2

The 2D vector Vec2 from the centre point to pAxes2, the start point of axis 2, by default at the bottom of the Ellipse this arc is based on.

The 2D vector Vec2 from the centre point to pAxes2, the start point of axis 2, by default at the bottom of the Ellipse this arc is based on.

## Attributes

Definition Classes
override def cenP3: Vec2

The 2D vector Vec2 from the centre point to pAxes3, the start point of axis 1 , by default on the left of the Ellipse this arc is based on.

The 2D vector Vec2 from the centre point to pAxes3, the start point of axis 1 , by default on the left of the Ellipse this arc is based on.

## Attributes

Definition Classes
override def cenP4: Vec2

The 2D vector Vec2 from the centre point to pAxes4, the end point of axis 2, by default at the top of the Ellipse this arc is based on.

The 2D vector Vec2 from the centre point to pAxes4, the end point of axis 2, by default at the top of the Ellipse this arc is based on.

## Attributes

Definition Classes

Radius 1 of the ellipse. By default this is the horizontal axis of the ellipse. This can be the major or minor axis.

Radius 1 of the ellipse. By default this is the horizontal axis of the ellipse. This can be the major or minor axis.

## Attributes

Definition Classes

Radius 2 of the ellipse. By default this is the vertical axis of the ellipse. This can be the major or minor axis.

Radius 2 of the ellipse. By default this is the vertical axis of the ellipse. This can be the major or minor axis.

## Attributes

Definition Classes

Inherited from:
EArc

Inherited from:
EArc

Inherited from:
EArc

## Attributes

Inherited from:
EArc

The vector [Vec2] from the centre of the arc to the end point of the arc.

The vector [Vec2] from the centre of the arc to the end point of the arc.

## Attributes

Inherited from:
EArc

The vector [Vec2] from the centre of the arc to the start point of the arc.

The vector [Vec2] from the centre of the arc to the start point of the arc.

## Attributes

Inherited from:
EArc
final def diameter1

Diameter 1 of the ellipse. By default this is the horizontal axis of the ellipse.This can be the major or minor axis.

Diameter 1 of the ellipse. By default this is the horizontal axis of the ellipse.This can be the major or minor axis.

## Attributes

Inherited from:
EllipseBased
final def diameter2

Diameter 2 of this ellipse. By default this is the vertical axis of the ellipse. This can be the major or minor axis.

Diameter 2 of this ellipse. By default this is the vertical axis of the ellipse. This can be the major or minor axis.

## Attributes

Inherited from:
EllipseBased
override def draw(lineColour: Colour, lineWidth: Double): EArcDraw

Draws this geometric element to produce a GraphElem graphical element, tht can be displayed or printed.

Draws this geometric element to produce a GraphElem graphical element, tht can be displayed or printed.

## Attributes

Definition Classes
Inherited from:
EArc

The angle of the end point of the arc, relative to its centre.

The angle of the end point of the arc, relative to its centre.

## Attributes

Inherited from:
EArc

The angle of the end point of the arc, relative to its centre.

The angle of the end point of the arc, relative to its centre.

## Attributes

Inherited from:
EArc

The value of the angle of the end point of the arc, relative to its centre in degrees.

The value of the angle of the end point of the arc, relative to its centre in degrees.

## Attributes

Inherited from:
EArc

The line segment [LineSeg] from the centre of the arc to the end point of the arc.

The line segment [LineSeg] from the centre of the arc to the end point of the arc.

## Attributes

Inherited from:
EArc

The line segment [LineSeg] from the centre of the arc to the start point of the arc.

The line segment [LineSeg] from the centre of the arc to the start point of the arc.

## Attributes

Inherited from:
EArc
override def negX: EArc

Mirror, reflection 2D geometric transformation across the Y axis by negating X. The return type will be narrowed in sub traits / classes.

Mirror, reflection 2D geometric transformation across the Y axis by negating X. The return type will be narrowed in sub traits / classes.

## Attributes

Definition Classes
Inherited from:
EArc
override def negY: EArc

Mirror, reflection 2D geometric transformation across the X axis by negating y, on this EArc retruns an EARc.

Mirror, reflection 2D geometric transformation across the X axis by negating y, on this EArc retruns an EARc.

## Attributes

Definition Classes
Inherited from:
EArc
final def pEnd: Pt2

The end point Pt2 of this curve segment. Often called p2 on a line or p4 on a cubic bezier in other APIs.

The end point Pt2 of this curve segment. Often called p2 on a line or p4 on a cubic bezier in other APIs.

## Attributes

Inherited from:
CurveSeg
final def pStart: Pt2

Start point of this curve segment, often called p1

Start point of this curve segment, often called p1

Inherited from:
CurveSeg

Inherited from:
Product

## Attributes

Inherited from:
Product
override def prolign(matrix: ProlignMatrix): EArc

2D Transformation using a ProlignMatrix. The return type will be narrowed in sub classes / traits.

2D Transformation using a ProlignMatrix. The return type will be narrowed in sub classes / traits.

## Attributes

Definition Classes
Inherited from:
EArc
override def reflect(lineLike: LineLike): EArc

Reflect 2D geometric transformation across a line, line segment or ray on a EArc returns an EArc.

Reflect 2D geometric transformation across a line, line segment or ray on a EArc returns an EArc.

## Attributes

Definition Classes
Inherited from:
EArc
override def rotate(angle: AngleVec): EArc

Rotation 2D geometric transformation on a EArc. The return type will be narrowed in sub classes and traits.

Rotation 2D geometric transformation on a EArc. The return type will be narrowed in sub classes and traits.

## Attributes

Definition Classes
Inherited from:
EArc
override def rotate180: EArc

Rotation of 180 degrees, 2D geometric transformation on a Drawable, returns a Drawable. The return type will be narrowed in sub classes and traits.

Rotation of 180 degrees, 2D geometric transformation on a Drawable, returns a Drawable. The return type will be narrowed in sub classes and traits.

## Attributes

Definition Classes
Inherited from:
EArc
override def rotate270: EArc

Rotation positive or anti clockwise 270 degrees, 2D geometric transformation on a Drawable, returns a Drawable. The return type will be narrowed in sub classes and traits.

Rotation positive or anti clockwise 270 degrees, 2D geometric transformation on a Drawable, returns a Drawable. The return type will be narrowed in sub classes and traits.

## Attributes

Definition Classes
Inherited from:
EArc
override def rotate90: EArc

Rotation positive or anti clockwise 90 degrees, 2D geometric transformation on a Drawable, returns a Drawable. The return type will be narrowed in sub classes and traits.

Rotation positive or anti clockwise 90 degrees, 2D geometric transformation on a Drawable, returns a Drawable. The return type will be narrowed in sub classes and traits.

## Attributes

Definition Classes
Inherited from:
EArc
override def scale(operand: Double): EArc

Uniform 2D geometric scaling transformation, returns an EArc.

Uniform 2D geometric scaling transformation, returns an EArc.

## Attributes

Definition Classes
Inherited from:
EArc
override def scaleXY(xOperand: Double, yOperand: Double): EArc

XY scaling 2D geometric transformation on this EArc returns an EArc.This allows different scaling factors across X and Y dimensions.

XY scaling 2D geometric transformation on this EArc returns an EArc.This allows different scaling factors across X and Y dimensions.

## Attributes

Definition Classes
Inherited from:
EArc
override def shearX(operand: Double): EArc

Shear 2D geometric transformation along the X Axis on this EArc returns an EArc.

Shear 2D geometric transformation along the X Axis on this EArc returns an EArc.

## Attributes

Definition Classes
Inherited from:
EArc
override def shearY(operand: Double): EArc

Shear 2D geometric transformation along the Y Axis on this EArc, returns an EArc.

Shear 2D geometric transformation along the Y Axis on this EArc, returns an EArc.

## Attributes

Definition Classes
Inherited from:
EArc
override def slateXY(xDelta: Double, yDelta: Double): EArc

Translate 2D geometric transformation on this EArc, returns an EArc.

Translate 2D geometric transformation on this EArc, returns an EArc.

## Attributes

Definition Classes
Inherited from:
EArc

The angle of the start point of the arc, relative to its centre.

The angle of the start point of the arc, relative to its centre.

## Attributes

Inherited from:
EArc

The angle of the start point of the arc, relative to its centre for graphical systems where the Y axis points down.

The angle of the start point of the arc, relative to its centre for graphical systems where the Y axis points down.

## Attributes

Inherited from:
EArc

The value of the angle of the start point of the arc, relative to its centre in degrees.

The value of the angle of the start point of the arc, relative to its centre in degrees.

## Attributes

Inherited from:
EArc

The value of the angle of the start point of the arc, relative to its centre in degrees.

The value of the angle of the start point of the arc, relative to its centre in degrees.

Inherited from:
EArc