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Documentation

Index

• Constants
• func Distance(p1, p2 Point) float64
• type Line
  • func NewLine() Line
  • func (l *Line) Add(x, y float64)
  • func (l *Line) Length() int
  • func (l Line) PathLength() (pathLength float64)
• type Lines
  • func ParseSVG(fname string) (lines Lines, err error)
  • func (l *Lines) Add(line Line)
  • func (l Lines) Animate(fname string) (err error)
  • func (l Lines) BestOrdering() (l2 Lines)
  • func (l Lines) BoundingBox(x, y, w, h float64) (l2 Lines)
  • func (l Lines) Consolidate(joinFraction float64) (l2 Lines)
  • func (l Lines) Copy() (l2 Lines)
  • func (l Lines) Draw(fname string) (err error)
  • func (l Lines) DrawStep(step int, im0 ...image.Image) (im image.Image)
  • func (l Lines) Normalize() (l2 Lines)
  • func (l Lines) RemoveSmall(fraction float64) (l2 Lines)
  • func (l Lines) Simplify(percent float64) (l2 Lines)
  • func (l Lines) ToGcode() (gcode string)
• type Point
  • func NewPoint(x, y float64) Point

Constants

const MillimetersPerPixel = 0.26458333

Functions

func Distance

func Distance(p1, p2 Point) float64

Types

type Line

type Line struct {
	Points []Point
}

func NewLine

func NewLine() Line

func (*Line) Add

func (l *Line) Add(x, y float64)

func (*Line) Length

func (l *Line) Length() int

func (Line) PathLength

func (l Line) PathLength() (pathLength float64)

type Lines

type Lines struct {
	Lines  []Line
	Height float64
	Width  float64
	Bounds [4]float64
}

func ParseSVG

func ParseSVG(fname string) (lines Lines, err error)

func (*Lines) Add

func (l *Lines) Add(line Line)

func (Lines) Animate

func (l Lines) Animate(fname string) (err error)

func (Lines) BestOrdering

func (l Lines) BestOrdering() (l2 Lines)

func (Lines) BoundingBox

func (l Lines) BoundingBox(x, y, w, h float64) (l2 Lines)

func (Lines) Consolidate

func (l Lines) Consolidate(joinFraction float64) (l2 Lines)

func (Lines) Copy

func (l Lines) Copy() (l2 Lines)

func (Lines) Draw

func (l Lines) Draw(fname string) (err error)

func (Lines) DrawStep

func (l Lines) DrawStep(step int, im0 ...image.Image) (im image.Image)

func (Lines) Normalize

func (l Lines) Normalize() (l2 Lines)

Normalize keeps aspect ratio but makes sure all coordinates are between 0 and 1

func (Lines) RemoveSmall

func (l Lines) RemoveSmall(fraction float64) (l2 Lines)

func (Lines) Simplify

func (l Lines) Simplify(percent float64) (l2 Lines)

Simplify points by some percentage using the https://en.wikipedia.org/wiki/Visvalingam%E2%80%93Whyatt_algorithm

func (Lines) ToGcode

func (l Lines) ToGcode() (gcode string)

type Point

type Point struct {
	X, Y float64
}

func NewPoint

func NewPoint(x, y float64) Point