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MathGroup Archive 1995

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Problem with PointSize

  • To: mathgroup at
  • Subject: [mg1731] Problem with PointSize
  • From: vonessen at (Nikolaus Vonessen)
  • Date: Fri, 21 Jul 1995 00:56:40 -0400
  • Organization: University of Southern California, Los Angeles, CA

I have a problem with showing points whose radius is set using PointSize
(or AbsolutePointSize):  On the screen, the relative size of the points
is much larger than in the printed version.

To be precise, consider the following mathematica commands:


This plots the parabola x^2, and the point (1,1), plus some gridlines
close to that point, and 0.1 units apart.  On the screen, the radius of
the point is about 0.1 units.  But if I print the plot, the size of the
point is about 0.3 units. This problem also occurs when using

By the way, when running these lines on a 486 using the Student Edition
of Mathematica for Windows, I do not get this strange behavior:  There
things work properly.  The same on a PowerMac.

My setup:  Mathematica for Windows 2.2.2, running on a pentium, and two
different postscript laser printers (HP LaserJet 4M and QMS-PS 810).

Am I doing something wrong?  Is this a problem with my system setup, or
is this a mathematica bug?  Any suggestions are welcome!

           Nikolaus Vonessen,
           USC, Department of Mathematics

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