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Navigation: AutoTRAX PCB Design Express (DEX) > Designs > Graphics >
Ellipses and Circles
In DEX you can add graphical ellipses.
A circle is an ellipse where the horizontal and vertical dimensions are the same.
In schematics they have no electrical significance. However, in PCBs they have significance if they are placed on electrical layers such as the top or bottom layer; here they will leave copper traces and will provide an electrical connection to everything that is connected to them.
Ellipses have a width that can be zero for an infinitely thin ellipse. However if you add ellipses to a PCB you need to make sure their width is at least the size of the manufacturing minimum width.
Ellipses also have color and can be semi-transparent. It is even possible to define an invisible ellipse. If you have snap to objects enabled, objects will snap to invisible ellipses.
Ellipses can also have an ellipse style as shown below.
Ellipses are defined by their center and the size. The size is defined by a horizontal width and a vertical height.