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Editing Curves

A curved line segment consists of two data points (endpoints) and two control points (handles). A control line connects a control point to a data point. You can change the shape of a curve by converting a data point to a different type, or by dragging the control points to a different location.

You can also modify the properties of the line by selecting the line and choosing Format - Line.

To view the data points and control points of a curved line, select the line, and then click the Points icon on the Drawing bar. The data points are represented by squares and the control points by circles. A control point might overlay a data point.

To adjust a curved line segment:

  1. Select a curved line, and then click the Points icon on the Drawing Bar.

  2. Do one of the following:

  • Drag a data point to resize the line. If a control point overlies the data point, drag the control point until you can see the data point, and then drag the data point.
  • Drag a control point. The curve pulls in the direction that you drag the control point.

To split a curved line:

You can only split a curved line that has three or more data points.

  1. Select a curved line, and then click the Points icon on the Drawing Bar.

  2. Select a data point, and then click the Split Curve icon on the Edit Points Bar.

To create a closed shape:

  1. Select a curved line, and then click the Points icon on the Drawing Bar.

  2. On the Edit Points Bar, click the Close Bézier icon.

To convert a data point on a curved line:

  1. Select a curved line, and then click the Points icon on the Drawing Bar.

  2. Click the data point you want to convert, and do one of the following:

  • To convert the data point to a smooth point, click the Smooth Transition icon on the Edit Points Bar.
  • To convert the data point to a symmetrical point, click the Symmetric Transition icon on the Edit Points Bar.
  • To convert the data point to a corner point, click the Corner Point icon on the Edit Points Bar.

To add a data point:

  1. Select a curved line, and then click the Points icon on the Drawing Bar.

  2. On the Edit Points Bar, click the Insert Points icon.

  3. Click the line where you want to add the point, and drag a short distance.

If a data point does not have a control point, select the data point, and then click the Convert to Curve icon on the Edit Points Bar.

To delete a data point:

  1. Select a curved line, and then click the Points icon on the Drawing Bar.

  2. Click the point you want to delete.

  3. On the Edit Points Bar, click the Delete Points icon.