Processing and Formatting Effects > Flame FX > Edge Detect >
Edge Effects Settings

Double Edge button
  Enable to do a second edge detection pass and create twice as many edges.
Minimum Edge Detection Threshold field
  Enter the lower limit for edge detection.
Maximum Edge Detection Threshold field
  Enter the upper limit for edge detection.
Softness Width field
  Enter a value for the width of the edge.
Softness Gain field
  Enter a value for the softness of the edge.
Directional button
  Enable to create the edge in the direction indicated in the Angle field.
Edge Angle field
  Enter a value for the direction of the edge.
Colour Offset pot
  Enter a colour offset value for the image outside of the detected edges.