Select Region of Interest

Owning Palette: Machine VisionInstalled With: NI Vision Development Module

Use the Select Region of Interest VIs to select a specific area of an image from an external display window.

Palette Object	Description
IMAQ Select Point	Allows the user to specify the position of a point in the image. IMAQ Select Point displays the image in the specified window and provides a point tool.
IMAQ Select Line	Allows the user to specify the location of a line in the image. IMAQ Select Line displays the image in the specified window, and provides a line tool.
IMAQ Select Rectangle	Allows the user to specify a rectangular area in the image. IMAQ Select Rectangle displays the image in the specified window and provides the rectangle and rotated rectangle tools.
IMAQ Select Annulus	Allows the user to specify an annulus area in an image. IMAQ Select Annulus displays the image in the specified window, provides the annulus tool, and returns the coordinates of the annulus selected when the user clicks OK in the window.