Description: This command draws a curve with three functions that define points in Cartesian coordinates.

Inline mode usage:

• curveFunction -h: Displays the help file that summarizes the parameters for this command.
• curveFunction –n <name> -p <u_start> <u_end> <u_samples> <x=f($u)> <y=f($u)> <z=f($u)>: Creates a curve named <name> that starts in <u_start>, ends in <u_end> and has <u_samples>, defined by functions <x=f($u)>, <y=f($u)> and <z=f($u)>.

Interactive mode usage:

• Invocation: curveFunction
• Parameters:
• Parameter ‘u’, define range of variable ‘u’: start end samples.
• ‘x’ coordinate function: x=f($u).
• ‘y’ coordinate function: y=f($u).
• ‘z’ coordinate function: z=f($u).
  
• Remark: The parameter is bound to the $u variable.

Example:

> curveFunction

Parameter ‘$u’ (start end samples): 0 24 48

x = f($u) = $u

y = f($u) = sin($u)

z = f($u) = 0

Result:

Resulting curve function