Living Image 3.1

4. Working With Images
Viewing a Line Profile The line profile plots intensity (y-axis) at each pixel (x-axis) along a user-specified line
in the image. The line profile is automatically updated when you change the line
position.
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NOTE
In the Overlay display mode, the line profile plots the luminescent data. To obtain a
histogram of the photograph, select Photograph from the Display drop-down list.
To display the line profile:
1. Open an image, and in the Image Information tools, click the Line Profile button .
- A blue line appears on the image and the Line Profile window appears.
2. To view the line profile at another location in the image, put the mouse pointer over
the line. When the pointer becomes a , drag the line over the image. The blue line
determines the pixel intensities that are plotted in the line profile graph.
- The line profile is updated as you move the blue line move over the image.
Table 4.8 Line Profile window
Item Description
Line
Orientation
Choose Vertical, Horizontal, or Free Hand from the drop-down list to set the
orientation of the line in the image window. The Free Hand orientation enables
you to drag each line segment endpoint to a user- selected position.
Width Sets the line width.