math.geom2d.transform
Interface Similarity2D

All Superinterfaces:

AffineTransform2D, Bijection2D, Transform2D

All Known Subinterfaces:

Isometry2D, Motion2D

All Known Implementing Classes:

AbstractAffineTransform2D.Identity2D, GlideReflection2D, Homothecy2D, LinearHomothecy2D, LinearLineReflection2D, LinearRotation2D, LineReflection2D, PointSymmetry2D, Rotation2D, Translation2D

public interface Similarity2D
extends AffineTransform2D, Bijection2D

A similarity is a transformation which conserves lengths ratios and angles (not necessarily oriented).

Author:

dlegland

Method Summary

LinearTransform2D	getLinearPart()
double	getScalingFactor() Returns the scaling factor of the transform.
Translation2D	getTranslationPart()

Methods inherited from interface math.geom2d.transform.AffineTransform2D

compose, getAffineMatrix, getCoefficients, isDirect, isIdentity, isIsometry, isMotion, isSimilarity

Methods inherited from interface math.geom2d.transform.Bijection2D

getInverseTransform

Methods inherited from interface math.geom2d.transform.Transform2D

transform, transform, transform

Method Detail

getScalingFactor

double getScalingFactor()

Returns the scaling factor of the transform. The scaling factor is positive for direct transforms.

Returns:

the scaling factor of the transform.

getLinearPart

LinearTransform2D getLinearPart()

Returns:

the linear part of the transform.

getTranslationPart

Translation2D getTranslationPart()

Returns:

the translation part of the transform.