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Two and Three Variable Widget

RGB Overlays

Scatter diagrams

• Select images with buttons. Titles appear in the area to the right.
  • To clear an image, use the Select by title, and click 'Cancel'.
• Click on RGB Overlay or xy Scat to get a color overlay or scatter plot, respectively.
• Traceback uses a xy scatter plot, and a mask. Use 'Mask -> (several options)' to make the mask.
  • Traceback using a rectangle.
    • Set mode to single. (so that Rectangular mask not made for other windows also).
    • Make sure the xy scatter plot is in front (if you want to set the rectangle).
    • 'Rectangle -> Draw'.
    • 'Mask -> from Rectangle'
    • 'M' (click the M button in the 2&3V window) to select the mask.
    • 'Traceback'