I plot a function in Scilab and export to pdf image file. The pdf file looks very smooth as following.

enter image description here

However, when I tried to include this smooth pdf file in LaTeX. It becomes serrated like.

enter image description here

The code snippet I used.


Is there a way to make it look more smooth? Should I sample smaller points of the function?

  • 1
    Do you have a printer? Is the bad quality present in print as well? – pkofod Jan 23 '14 at 9:31
  • 1
    This looks like it's just a viewer issue. Could you try a different PDF viewer? – Jake Jan 23 '14 at 9:32
  • @pkofod Thank you. I tried it on Windows adobe reader, it looks OK. How could I never thought about that. – Peng Zhang Jan 23 '14 at 9:47
  • @Jake Could you write a answer and then I would close it. The culprit is the Document Viewer on Ubuntu. Otherwise, I have to delete this post. – Peng Zhang Jan 23 '14 at 9:48

This is usually an issue with the PDF viewer: Some smooth the graphics using anti-aliasing, others don't. Try changing the smoothing options, or opening the document in a different viewer.

When printed, the graphics should look fine either way.

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