Operation: find ends
The operation finds the end points of more or less horizontal lines. The lines can have small gaps.
Options

max. gap size: The maximal allowed gap in which the intesity of pixels can be below or equal to the threshold
threshold: The intensity values of pixels on a line should be above the threshold.
Parameter
inputImage (ImagePlus): A stack with as many slices as there are points in the center points results table.
centerPoints (ResultsTable): The table must contain the X and Y
columns with the coordinates of points on the lines to be traced.
Results
result (ImagePlus): An image showing the lines found.
resultLines (Vector): A list of the traced line segments.