Processing and Formatting Effects > Flame FX > Gradient > Ramps Settings >
Spline Shape Settings

You can further affect the shape of a spline gradient. All of the these settings have gestural equivalents in the image window (make sure that Show Widgets is enabled in the Gradient Setup menu).

Vertex X Position field
  Displays the position along the X axis of the selected vertex.
Vertex Y Position field
  Displays the position along the Y axis of the selected vertex.
Tangent X Position field
  Displays the position along the X axis of the selected tangent.
Tangent Y Position field
  Displays the position along the Y axis of the selected tangent.
Amplitude Position field
  Displays the position of the spline as a percentage of the distance between the first and last vertex.
Amplitude Start field
  Displays the start position of the spline. Use to set the pixel length of the spline.
Amplitude End field
  Displays the end position of the spline. Use to set the pixel length of the spline.

TipPress Ctrl and drag either the start or end amplitude point in the image window to affect both points proportionally.

Reset Shape button
  Resets the spline shape.