matplotlib.pyplot.arrow#

matplotlib.pyplot.arrow(x, y, dx, dy, **kwargs)[source]#

[Discouraged] Add an arrow to the Axes.

This draws an arrow from (x, y) to (x+dx, y+dy).

Discouraged

The use of this method is discouraged because it is not guaranteed that the arrow renders reasonably. For example, the resulting arrow is affected by the Axes aspect ratio and limits, which may distort the arrow.

Consider using annotate without a text instead, e.g.

ax.annotate("", xytext=(0, 0), xy=(0.5, 0.5),
            arrowprops=dict(arrowstyle="->"))

Parameters:

x, yfloat

The x and y coordinates of the arrow base.

dx, dyfloat

The length of the arrow along x and y direction.

widthfloat, default: 0.001

Width of full arrow tail.

length_includes_headbool, default: False

True if head is to be counted in calculating the length.

head_widthfloat or None, default: 3*width

Total width of the full arrow head.

head_lengthfloat or None, default: 1.5*head_width

Length of arrow head.

shape{'full', 'left', 'right'}, default: 'full'

Draw the left-half, right-half, or full arrow.

overhangfloat, default: 0

Fraction that the arrow is swept back (0 overhang means triangular shape). Can be negative or greater than one.

head_starts_at_zerobool, default: False

If True, the head starts being drawn at coordinate 0 instead of ending at coordinate 0.

**kwargs

Patch properties:

Property	Description
agg_filter	a filter function, which takes a (m, n, 3) float array and a dpi value, and returns a (m, n, 3) array and two offsets from the bottom left corner of the image
alpha	unknown
animated	bool
antialiased or aa	bool or None
blend_mode	blend mode
capstyle	CapStyle or {'butt', 'projecting', 'round'}
clip_box	BboxBase or None
clip_on	bool
clip_path	Patch or (Path, Transform) or None
color	color
edgecolor or ec	color or None
edgegapcolor	color or None
facecolor or fc	color or None
figure	Figure or SubFigure
fill	bool
fill_rule	{'nonzero', 'evenodd'}
gid	str
hatch	{'/', '\', '|', '-', '+', 'x', 'o', 'O', '.', '*'}
hatch_linewidth	unknown
hatchcolor	color or 'edge' or None
in_layout	bool
joinstyle	JoinStyle or {'miter', 'round', 'bevel'}
label	object
linestyle or ls	linestyle
linewidth or lw	float or None
mouseover	bool
path_effects	list of AbstractPathEffect
picker	None or bool or float or callable
rasterized	bool
sketch_params	(scale: float, length: float, randomness: float)
snap	bool or None
transform	Transform
url	str
visible	bool
zorder	float

Returns:

FancyArrow

The created FancyArrow object.

Notes

Note

This is the pyplot wrapper for axes.Axes.arrow.