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Equation Driven Curves

Create a curve by defining the equation for that curve.

To create an equation driven curve:

  1. On the Sketch toolbar, click the Spline flyout, and then select Equation Driven Curve or click Tools > Sketch Entities > Equation Driven Curve.
  2. Under Equation Type, select Explicit or Parametric.

    3D sketches support parametric equations only.

  3. Under Equation, specify the curve equation where:
    • Y is a function of X (explicit equations).
    • X, Y, and Z are functions of T (parametric equations). Z is for 3D sketches only.

    You can use any functions supported in the Equations dialog box. For example: 
    2*(x + 3*sin(x))
    x^3/"D1@Sketch5"

  4. Under Parameters, specify the range of values for X (explicit equations) or T (parametric equations), where 1 is the start point and 2 is the end point (for example, X1 = 0 and X2 = 2*pi).

    Click to lock or unlock the start or end point location on the curve:
    • (locked): The start or end point is fixed.
    • (unlocked): You can drag the start or end point along the curve.

  5. Click .

    The curve defined by the equation appears in the sketch.



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