Parameters #Parameters

$x0

(Required) (float) Abscissa of first point.

$y0

(Required) (float) Ordinate of first point.

$x1

(Required) (float) Abscissa of second point.

$y1

(Required) (float) Ordinate of second point.

$head_style

(Required) (int) (0 = draw only arrowhead arms, 1 = draw closed arrowhead, but no fill, 2 = closed and filled arrowhead, 3 = filled arrowhead)

$arm_size

(Optional) (float) length of arrowhead arms

Default value: 5

$arm_angle

(Optional) (int) angle between an arm and the shaft

Default value: 15