geometry

Documentation

Index

• func AngleBetweenThreeCartesianPoints(x1, y1, x2, y2, x3, y3 float64) (float64, error)
• func CompareInvariantFeatures(f1, f2 InvariantFeatures, tolerance InvariantFeatureTolerance) bool
• func DistanceBetweenTwoCartesianPoints(x1, y1, x2, y2 float64) float64
• type InvariantFeatureTolerance
• type InvariantFeatures
  • func ComputeInvariantFeatures(x1, y1, x2, y2, x3, y3 float64) (InvariantFeatures, error)

Functions

func AngleBetweenThreeCartesianPoints

func AngleBetweenThreeCartesianPoints(x1, y1, x2, y2, x3, y3 float64) (float64, error)

func CompareInvariantFeatures

func CompareInvariantFeatures(f1, f2 InvariantFeatures, tolerance InvariantFeatureTolerance) bool

func DistanceBetweenTwoCartesianPoints

func DistanceBetweenTwoCartesianPoints(x1, y1, x2, y2 float64) float64

Types

type InvariantFeatureTolerance

type InvariantFeatureTolerance struct {
	LengthRatio float64 // e.g., 0.01 for 1% difference
	Angle       float64 // e.g., 0.5 for 0.5 degrees difference
}

type InvariantFeatures

type InvariantFeatures struct {
	RatioAB float64
	RatioAC float64
	AngleA  float64
	AngleB  float64
}

func ComputeInvariantFeatures

func ComputeInvariantFeatures(x1, y1, x2, y2, x3, y3 float64) (InvariantFeatures, error)