: How to convert a color scketch in a PDF document to a gray scale image using Acrobat Pro 9? Suppose a PDF file containing a color sketch has been created using LaTeX. The code is given

@Shelley591

Posted in: #AdobeAcrobat

Suppose a PDF file containing a color sketch has been created using LaTeX. The code is given below for completeness only.

documentclass{minimal}
usepackage{pstricks}
begin{document}
begin{pspicture}(6,6)
psline[linecolor=red](2,2)(3,3)(4,2)(2,2)
pscurve[linecolor=green,linewidth=2pt,%
showpoints=true](2,2)(2.5,5)(3,4)(3.5,5)(4,2)
pscircle[linecolor=blue,linestyle=dashed](3,3){1}
end{pspicture}
end{document}


The image thus created and saved as a PDF is given below.



Suppose we want to convert this image to a gray scale image using Acrobat Pro 9. The question is how do you do that?

The following are some data of the file and an output of my failed attempt.

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