By default, the program draws all points on the same layer, but if there are different groups of points represented in different layers, this option allows for the selection of all the points of a specific layer. When it is executed, a window containing a list of the drawing’s layers is displayed. Select one of the layers and press OK or press the Select button to select an object in the drawing so that the layer to which it belongs is selected from the list. Only one layer at a time may be selected, but several selections can be made consecutively.