After drawing polyline, an Overlay layer is added to the Layer Control panel, Select the Overlay layer then LMC on a polyline in the workspace, it will be highlighted in red. Next, RMC on that polyline to display options as shown in Figure 1.
Properties: Selecting this option to set properties of the polyline as shown in Figure 2.
Translate
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 5. From the drop-down list, we can select <New Layer> or an available splines layer there.
Break Polyline: Selecting this option will break the polyline into two polylines.
Delete Segment: Selecting this option will remove a segment of the polyline.
Delete Polyline: Selecting this option will remove the polyline.
Delete Grid Elevations:
Interpolate Grid Elevations:
Figure 1 Draw splines procedure.
Figure 2 Polyline Properties form.
Figure 3 Polyline Properties form.
Figure 4 Specify Rotation form.
Figure 5 Select Layer form.