Circle

Circle[{x,y},r]
represents a circle of radius r centered at .

Circle[{x,y}]
gives a circle of radius 1.

Circle[{x,y},{rx,ry}]
gives an axis-aligned ellipse with semi-axes lengths and .

Circle[{x,y},,{θ1,θ2}]
gives a circular or ellipse arc from angle to .

DetailsDetails

  • Circle with its different parameter settings is also known as arc, circular arc, semicircle, and ellipse.
  • Circle can be used as a geometric region and a graphics primitive.
  • Circle[] is equivalent to Circle[{0,0}]. »
  • Circle represents the curve .
  • Angles are measured in radians counterclockwise from the positive x direction.
  • Circle can be used in Graphics.
  • In graphics, the point and radii r and can be Scaled, Offset, ImageScaled, and Dynamic expressions.
  • Graphics rendering is affected by directives such as Thickness, Dashing, and color.

ExamplesExamplesopen allclose all

Basic Examples  (5)Basic Examples  (5)

A unit circle:

In[1]:=
Click for copyable input
Out[1]=

A circular arc:

In[1]:=
Click for copyable input
Out[1]=

An ellipse:

Click for copyable input
Out[1]=

Differently styled circles:

In[1]:=
Click for copyable input
Out[1]=

ArcLength of a circle:

In[1]:=
Click for copyable input
Out[1]=

Length or circular arc:

In[2]:=
Click for copyable input
Out[2]=
Introduced in 1991
(2.0)
| Updated in 2014
(10.0)
Translate this page: