==== Cylinder ====

A three dimensional shape with two flat ends that are circular. The cylinder has the same cross-section from one end to the other, extending about the Z axis.

{{ :wiki:mathisfun-cylinder.svg?nolink | Cylinder}}

//[[http://www.mathsisfun.com/geometry/cylinder.html|Learn about cylinders at MathIsFun.com]]//

The ''radius'' specifies the circular size about the Z axis, while the ''height'' specifies the size. Cylinders can be created at a requested ''center''. The ''segments'' specify the number of segments to create per full rotation. 

Defaults:
  * radius : 1
  * height : 2
  * center : [0, 0, 0]
  * segments : 32

<code javascript>
const { cylinder } = require('@jscad/modeling').primitives

const myshape = cylinder({radius: 5, height: 10})
const myshape = cylinder({radius: 5, height: 10, center: [5, 5, 5], segments: 64})
</code>


=== Elliptical Cylinder ===

{{ :wiki:jscad-cylinderElliptic.png?nolink | Cylinder Elliptic}}

Various cylindrical shapes can be created using the elliptical cylinder, including cylinders with changing radius (cones).

Defaults:
  * height : 2
  * startRadius : [1, 1]
  * endRadius : [1, 1]
  * center : [0, 0, 0]
  * segments : 32
  * startAngle : 0
  * endAngle : PI * 2

<code javascript>
const { cylinderElliptic } = require('@jscad/modeling').primitives

const myshape = cylinderElliptic({height: 2, startRadius: [10, 5], endRadius: [8, 3]})
</code>

=== Rounded Cylinder ===

{{ :wiki:jscad-roundedCylinder.png?nolink | Rounded Cylinder}}

Cylinders can be created with rounded ends by specifying ''roundRadius''.

Defaults:
  * radius : 1
  * height : 2
  * roundRadius: 0.5
  * center : [0, 0, 0]
  * segments : 32

<code javascript>
const { roundedCylinder } = require('@jscad/modeling').primitives

const myshape = roundedCylinder({radius: 5, height: 10, roundRadius: 0.5})
const myshape = roundedCylinder({radius: 5, height: 10, roundRadius: 0.5, center: [5, 5, 5], segments: 64})
</code>