R help - Jul 2000 - Perspective or Contour Plot of a Matrix

I would like to plot a large (401 x 101) matrix of numbers as a
perspective plot (with the columns and row indices as the y and x
components and the values in the matrix at the z values).  I try to
convert it to a data frame, but it always errors out with "Figure
margins too large".  What does this mean?  How can I get the plot
generated?

Thanks

-- 
-Alex Morgan		Homepage:   http//pubpages.unh.edu/~amorgan
			AIM login:  HomeySage

"Politics is for the moment, and equation lasts eternity."   - A.
Einstein

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>>>>> "amorgan" == amorgan  <amorgan at
mitre.org> writes:
    amorgan> I would like to plot a large (401 x 101) matrix of numbers as
    amorgan> a perspective plot (with the columns and row indices as the y
    amorgan> and x components and the values in the matrix at the z
    amorgan> values).  I try to convert it to a data frame, but it always
    amorgan> errors out with "Figure margins too large".  What does
this
    amorgan> mean?  How can I get the plot generated?

Why did you think you needed a data.frame
if your large matrix of numbers is called  Mat
just say
	persp(Mat)
which is equivalent to

	persp(z=Mat)

which is equivalent to

	persp(x = seq(0, 1, len = nrow(z)), 
	      y = seq(0, 1, len = ncol(z)), 
	      z = Mat)

Do you have suggestions for improving the online help for persp
which does contain this info ?

Martin
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