User guide

The cursor appears as a hand with a “+” sign inside . However, when the cursor is positioned exactly over the
points on the curve, the '+' symbol disappears and the cursor appears as a hand.
Changing the Shape of a Curve. Use the square handles at the end of the curve to increase or decrease the length
of the curve. Use the endpoints of the direction lines to change the direction of the curve.
To change the shape of a curve:
Drag the direction lines to create the shape you want.
Adding a Segment. You can add a segment to an existing curve by selecting the curve with Edit Curve tool, and
clicking in the document window with the Edit Curve tool selected. A segment is added to the end of the curve.
Freehand shapes
To create a closed freehand shape, draw a curve and go to Curves>Closed. To add curve properties, select Filled,
Faded, or Shaded under the Curve menu or in the Curve toolbar. Curves can also have arrowheads, to allow
ChemBioDraw 13.0
Chapter 3: Basic drawings 37 of 401