CFLib.org – Common Function Library Project

Description:
Calculates the surface area of a cylinder.

Return Values:
Returns a simple value.

Example:

<CFSET radius=4>
  <CFSET height=8>
  <CFOUTPUT>
  Given:
  <UL>
  <LI>radius=#radius#
  <LI>height=#height#
  </UL>
  The surface area of the cylinder is #SurfaceAreaCylinder(radius,height)#
  </CFOUTPUT>

Parameters:

Full UDF Source:

/**
 * Calculates the surface area of a cylinder.
 * 
 * @param radius      1/2 the diameter of a cross-section of the cylinder. 
 * @param height      Height of the cylinder from base to base. 
 * @return Returns a simple value. 
 * @author Rob Brooks-Bilson (rbils@amkor.com) 
 * @version 1.0, July 18, 2001 
 */
function SurfaceAreaCylinder(radius, height)
{
  Return ((2 * pi() * radius^2) + (2 * Pi() * radius * height));
}