# Polygon Regions Interactive Graphics Mode

Polygon Regions are used to define irregular features by constructing a shape out of line segments. You must configure the Polygon Region into your desired shape.

Polygon Region Legend

| Controls | Description
--- | --- | ---
1 | Resizable Endpoint Boundary | Defines the initial three end-points of the Polygon Region (a maximum of 100 points may be created for one Polygon Region). Click on an end-point boundary to resize the region from one of its corners.
2 | Rotation Handle | Allows the region to be rotated 360°.

Polygon Region Mouse Actions

By placing the mouse cursor over various parts of the region, it will automatically transform, enabling the following actions:

Mouse Icon | Description
| Allows you to drag the entire polygon region anywhere within the image.
| Allows you to scale the entire region either horizontally or vertically.
| Allows you to rotate the entire region 360° from its current orientation.
| Allows you to move one of the polygon region's resizable endpoint boundary points.
| Allows you to add a resizable endpoint boundary point to the polygon region.

Polygon Region Scan Direction

| Controls | Description
--- | --- | ---
1 | Top | Indicates the scan direction in the horizontal direction.
2 | Side | Indicates the scan direction in the vertical direction.