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INTERACTIVE SURFACE FITTING
? List commands
c Print data values for point nearest the cursor
d Delete the point or set of points with constant x, y, or z
nearest the cursor (p, x, y, z,)
f Fit surface
l Graph the last set of points (in zoom mode)
n Graph the next set of points (in zoom mode)
p Graph all features
q Quit
r Redraw a graph
u Undelete the point or set of points with constant x, y, or z
nearest the cursor (p, x, y, z,)
w Window the graph. Type '?' to the "window:" prompt for more help.
x Select data for the x axis (x, y, z, s, r)
y Select data for the y axis (x, y, z, s, r)
z Zoom on the set of points with constant x, y, or z (x, y, z)
Unzoom with p
I Interrupt task immediately
:corners List the surface fit at the corners of the image
:function type Set the function for the fitted surface (chebyshev, legendre)
:show Show the fitting parameters
:xorder value Set the x order for the fitted surface
:yorder value Set the y order for the fitted surface
:/help Additional graph formatting commands
:.help Additional general graph commands
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