progeCAD Professional manual The low-cost alternative to AutoCAD

Index



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Creating complex entities - Drawing splines

Drawing a closed spline

You can draw a closed spline, which is a spline for which the start point and endpoint are the same. Because the spline is closed, you specify only one tangent.

To draw a closed spline
  1. Do one of the following:
  2. Choose Draw > Spline.
  3. On the Draw toolbar, click the Spline tool (
  4. ).
  • Type spline and then press Enter.
  • Specify the first point of the spline.
  • Specify the second point of the spline.
  • Specify as many more points as you want.
  • When you have finished, in the prompt box, choose Close.
  • To complete the command, specify the tangent point.
  •  

    The start point and endpoint ( A ) of a closed spline.