To begin drawing lines such as pipelines, powerlines, etc select a Lines layer.
•Select the layer on which to draw the object (will need to be a Lines Layer).
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Click on the Drawing button. The drawing Toolbar will appear in the top left hand corner of your image.
•On your map the cursor will be a hand with cross hairs. To draw, hold the cross hairs over the chosen starting point for the line and single left mouse click.
•Left mouse click at every direction change of the line.
•When finished, either double left mouse click when marking the last point or click the Stop Drawing button 
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Repeat these steps to create another line.
