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448 • 12 Graphics > plots[display]([p, pr], 'scaling'='constrained', 'axes'='boxed'); You can apply an arbitrary transformation to a 2-D or 3-D plot using the plottools:-transform command. To do this, defin a procedure f that represents a mapping from to , where and can take values 2 or 3. The procedure must take as input arguments and return a list of components. If you pass f to the transform command, it returns a procedure that takes a 2-D or 3-D plot data structure as its argument and returns a transformed plot. > p := plots:-contourplot(2*x^2+y^2, x=-3..3, y=-3..3, 'filled', 'coloring'=["Purple", "Teal"]): > f := (x, y)->[x, y, 0]: > tf := transform(f):
