Translation: R6 class representing a translation

In PlaneGeometry: Plane Geometry

R6 class representing a translation

Description

A translation is given by a vector v.

Active bindings

v

get or set the vector of translation

Methods

Public methods

• Translation$new()

• Translation$print()

• Translation$project()

• Translation$transform()

• Translation$translateLine()

• Translation$transformLine()

• Translation$translateEllipse()

• Translation$transformEllipse()

• Translation$getMatrix()

• Translation$asAffine()

• Translation$clone()

---

Method new()

Create a new Translation object.

Usage

Translation$new(v)

Arguments

v

a numeric vector of length two, the vector of translation

Returns

A new Translation object.

---

Method print()

Show instance of a translation object.

Usage

Translation$print(...)

Arguments

...

ignored

---

Method project()

Transform a point or several points by the reference translation.

Usage

Translation$project(M)

Arguments

M

a point or a two-column matrix of points, one point per row

---

Method transform()

An alias of translate.

Usage

Translation$transform(M)

Arguments

M

a point or a two-column matrix of points, one point per row

---

Method translateLine()

Translate a line.

Usage

Translation$translateLine(line)

Arguments

line

a Line object

Returns

A Line object.

---

Method transformLine()

An alias of translateLine.

Usage

Translation$transformLine(line)

Arguments

line

a Line object

Returns

A Line object.

---

Method translateEllipse()

Translate a circle or an ellipse.

Usage

Translation$translateEllipse(ell)

Arguments

ell

an Ellipse object or a Circle object

Returns

An Ellipse object or a Circle object.

---

Method transformEllipse()

An alias of translateEllipse.

Usage

Translation$transformEllipse(ell)

Arguments

ell

an Ellipse object or a Circle object

Returns

An Ellipse object or a Circle object.

---

Method getMatrix()

Augmented matrix of the translation.

Usage

Translation$getMatrix()

Returns

A 3x3 matrix.

---

Method asAffine()

Convert the reference translation to an Affine object.

Usage

Translation$asAffine()

---

Method clone()

The objects of this class are cloneable with this method.

Usage

Translation$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

PlaneGeometry documentation built on Aug. 10, 2023, 1:09 a.m.