Select the Shape

Select the shape using the Shape drop-down list.

To specify a rectangular shape, select the Rectangular option. To define the length and width:

• Enter the values in the Length and Width fields.

• Measure the length. Click Measure Length and the Positioning Control window is displayed. The user is prompted to Measure Length:Pick Start (Snap) Snap: and Measure Length:Pick End (Snap) Snap:.

• Measure the length. Click Measure Width and the Positioning Control window is displayed. The user is prompted to Measure Length:Pick Start (Snap) Snap: and Measure Length:Pick End (Snap) Snap:.

• Click Pick Corners to pick two opposite corners. The Positioning Control window is displayed. The user is prompted to Pick first corner (Snap) Snap: and Pick second corner(Snap) Snap:.

• Define the length, click Pick Length by Position The Positioning Control window is displayed. The user is prompted to Pick length by position (Snap) Snap:.

• Define the width, click Pick Width by Position The Positioning Control window is displayed. The user is prompted to Pick width by position (Snap) Snap:.

To specify a circular shape, select the Circular option. To define the diameter:

• Enter the value in the Diameter field.

• Measure the Diameter. Click Measure Diameter and the Positioning Control window is displayed. The user is prompted to Measure Length:Pick Start (Snap) Snap: and Measure Length:Pick End (Snap) Snap:.

• Click Pick position radius to define the diameter. the Positioning Control window is displayed. The user is prompted to Pick position on radius (Snap) Snap:.

To define a complex shape, initiate the 2D editor using the Complex option.

The 2D Contour Editor window allows the user to define a series of points, in a single plane, that are used to define the footprint of the landing.