fScan Reference Manual, Chapter 2 (CmdLineOptions:Expr): Ramp
usage: -e ramp axis
The RAMP command generates an image data set with the same dimensions as the current active data set, and sets the image intensity at each voxel to be a function of the spatial dimension along one axis. Which axis, and direction of ramp, is specified by the argument as:
AXIS: 1 - X Horizontal, values increasing 2 - Y Vertical, values increasing 3 - Z Slice, values increasing 4 - T Time, values increasing -1 - X Horizontal, values decreasing -2 - Y Vertical, values decreasing -3 - Z Slice, values decreasing -4 - T Time, values decreasing
See Also:
fScan Home,
fScan Manual,
CmdLineOptions,
Expression Command,
Manual Help