arrow#

arrow(angle=None, length=None, ends=None, type=None)#

Describe arrows to add to a line.

Parameters:
anglefloat

The angle of the arrow head in degrees (smaller numbers produce narrower, pointer arrows). Essentially describes the width of the arrow head.

lengthint

The length of the arrow head (px).

ends{‘last’, ‘first’, ‘both’}

Indicating which ends of the line to draw arrow heads.

type{‘open’, ‘closed’}

Indicating whether the arrow head should be a closed triangle.

Returns:
FeatureSpec

Arrow object specification.

Examples

 1from lets_plot import *
 2LetsPlot.setup_html()
 3ggplot() + \
 4    geom_segment(x=2, y=10, xend=4, yend=9, \
 5                arrow=arrow(type='closed')) + \
 6    geom_segment(x=3, y=6, xend=3, yend=9, \
 7                arrow=arrow(type='open')) + \
 8    geom_segment(x=4, y=7, xend=5, yend=10, \
 9                arrow=arrow(type='closed', ends='both', length=23)) + \
10    geom_segment(x=5, y=8, xend=7, yend=7, \
11                arrow=arrow(type='open', ends='first', angle=120, length=23))
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