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apparently simple graphic won't print when SaveAs[] PDF

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  • Subject: [mg107814] [mg107814] apparently simple graphic won't print when SaveAs[] PDF
  • From: divisor <congruentialuminaire at>
  • Date: Sat, 27 Feb 2010 03:13:32 -0500 (EST)

Hello mathGroup:

These 3 commands are taken directly from the help page for Zernike[].

r2c[e_] :=
 Simplify[TrigExpand[e] /. {Sin[\[Theta]] :> y/r,
     Cos[\[Theta]] :> x/r} /. r^n_ :> (x^2 + y^2)^(n/2)]

zPlot[e_] :=
 With[{f = r2c[e]},
  DensityPlot[Cos[2 Pi f]^2, {x, -1, 1}, {y, -1, 1},
   RegionFunction :> (#1^2 + #2^2 <= 1 &), PlotPoints -> 25,
   BoundaryStyle -> Black, Frame -> False]]

zPlot[ZernikeR[2, 2, r] Cos[2 \[Theta]] +
  2 ZernikeR[3, 1, r] Sin[\[Theta]]]

The final one produces a graphic which (I guess) is slightly
complicated. I have some other constructions using this special
function to work on so I thought it should not have any trouble
printing this. My Mathematica V7 machine cannot print right now (due to
network disruptions), so I have been using SaveAs[] with PDF and
transferring it to a machine which can print in my network. It would
not and here are the results:

- Mathematica is 7.0 for Microsoft Windows (32-bit) (February 18, 2009); XP
- Help About says
- printing PDF thru the network gets a "can't print error" (Win7 -->
- downloading directly to print server and trying to print PDF hangs
the machine (win7)

I already know there are several issues with print-to-PDF and SaveAS[]
PDF (I have reported some) so I am just letting people know about this
problem. When I export the graphic as JPEG alone, it prints OK.

Here is some more info:

- NB file with just commands 4.5K
- evaluated NB file 815K
- PDF file 7M
- exported graphic alone 25K

I hope WRI can get to the bottom of these issues going forward. I am
never trying to test these cases. I only learned about this Zernike[]
function this week.


Roger Williams
Franklin Laboratory

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