Section 11 Monitoring a Dragging Anchor 11-4
11.1.2 Setting a dragging anchor monitoring
polygon
1 Click on the [Menu] button on the left toolbar.
The menu is displayed.
2 Click on the [Anchor Watch] button on the menu.
The [Anchor Watch] dialog box appears.
3 Select [Polygon] from the [Mode] (dragging anchor monitoring mode selection) combo
box.
4 Click on the [New] button.
The data of the [Point] (vertex) list is cleared.
5 Place the cursor on the chart.
6 Click to determine the vertex position. Create three or more vertices to create a
polygon.
By inputting position coordinates (longitude and latitude) of the vertex position of the polygon in
the [Point] list, the vertex position can be changed.
When a polygon is created, the number of vertices is displayed in [(Total:)]. Up to 360 vertices
can be set.
Creation example: