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Properties: Selecting this option to set properties of the polyline as shown in Figure 2.
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Rotate: Selecting this option to rotate the polyline. After selecting this option, the Specify Rotation form will pop up as shown in Figure 4, enter a rotation angle in degree in the form then click the OK button, the polyline will be rotated. The rotation angle can be a positive or negative value.
Copy to a Spline Layer: Selecting this option will copy that polyline to other splines layer. After selecting this option, the Select Layer form will pop up as shown in Figure 35. From the drop-down list, we can select <New Layer> or an available splines layer there.
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Figure 2 Polyline Properties form.
Anchor Figure 3 Figure 3
Figure 3 Polyline Properties form.
Anchor Figure 4 Figure 4
Figure 4 Specify Rotation form.
Anchor Figure 5 Figure 5
Figure 3 5 Select Layer form.