Draws an arrow segment pointing from the first point to the second one

img = cv.arrowedLine(img, pt1, pt2)
[...] = cv.arrowedLine(..., 'OptionName', optionValue, ...)

Input

• img Image where the arrow is drawn.
• pt1 The point [x,y] the arrow starts from.
• pt2 The point [x,y] the arrow points to.

Output

• img Output image.

Options

• Color Line color. default is a black color
• Thickness Line thickness. default 1.
• LineType Type of the line. One of:
  • 4 4-connected line
  • 8 8-connected line (default)
  • AA anti-aliased line
• Shift Number of fractional bits in the point coordinates. default 0.
• TipLength The length of the arrow tip in relation to the arrow length. default 0.1

The function cv.arrowedLine draws an arrow between pt1 and pt2 points in the image.