Class Contour

constructor

• new Contour(): Contour

• Returns Contour

• new Contour(pts): Contour

• Parameters

  • pts: Point2[]

  Returns Contour

• new Contour(pts): Contour

• Parameters

  • pts: number[][]

  Returns Contour

Readonly area

Readonly hierarchy

Readonly isConvex

Readonly numPoints

approxPolyDP

• approxPolyDP(epsilon, closed): Point2[]

• Parameters

  • epsilon: number

  • closed: boolean

  Returns Point2[]

approxPolyDPContour

• approxPolyDPContour(epsilon, closed): Contour

• Parameters

  • epsilon: number

  • closed: boolean

  Returns Contour

arcLength

• arcLength(closed?): number

• Parameters

  • Optional closed: boolean

  Returns number

boundingRect

• boundingRect(): Rect

• Returns Rect

convexHull

• convexHull(clockwise?): Contour

• Parameters

  • Optional clockwise: boolean

  Returns Contour

convexHullIndices

• convexHullIndices(clockwise?): number[]

• Parameters

  • Optional clockwise: boolean

  Returns number[]

convexityDefects

• convexityDefects(hullIndices): Vec4[]

• Parameters

  • hullIndices: number[]

  Returns Vec4[]

fitEllipse

• fitEllipse(): RotatedRect

• Returns RotatedRect

getPoints

• getPoints(): Point2[]

• Returns Point2[]

matchShapes

• matchShapes(contour2, method): number

• Parameters

  • contour2: Contour

  • method: number

  Returns number

minAreaRect

• minAreaRect(): RotatedRect

• Returns RotatedRect

minEnclosingCircle

• minEnclosingCircle(): {
      center: Point2;
      radius: number;
  }

• Returns {
      center: Point2;
      radius: number;
  }

  • center: Point2

  • radius: number

minEnclosingTriangle

• minEnclosingTriangle(): Point2[]

• Returns Point2[]

moments

• moments(): Moments

• Returns Moments

pointPolygonTest

• pointPolygonTest(pt): number

• Parameters

  • pt: Point2

  Returns number