Smoothness

Noise in an image can cause contours to be computed for spurious pixels, causing a jumble of contour fragments. This selection controls the sensitivity to noise. A higher smoothness is usually desirable with noisy images.

 Cursor ROI

If checked, contouring occurs inside the rectangular region defined by the image cursor.

 Report value

If checked, the marked value of the contour is listed in a Text Editor window.

 Add New Contours

Check this box to mark multiple contours on the image. If unchecked, each new contour replaces the existing contour(s).

[Apply]

Click this button to apply changes to the interactive contour plot.