# Uses of Class
ij.gui.PolygonRoi

Packages that use PolygonRoi
Package
Description
ij.gui

## Uses of PolygonRoi in ij.gui

Subclasses of PolygonRoi in ij.gui
Modifier and Type
Class
Description
`class`
`EllipseRoi`
This class implements the ellipse selection tool.
`class`
`FreehandRoi`
Freehand region of interest or freehand line of interest
`class`
`PointRoi`
This class represents a collection of points that can be associated with counters.
`class`
`RotatedRectRoi`
This class implements the rotated rectangle selection tool.