Does anyone know why in the pdf file, I can see the graph really good in the first picture but when I import it into Illustrator, it results in the squared symbol like the second picture below?
First picture:
Second picture:
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1The symbols are either a font or a symbol created in different file and not embedded in final pdf. – SZCZERZO KŁY Dec 17 '18 at 10:28
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Thanks, but when I used Inkscape, it works normally – user2842390 Dec 17 '18 at 10:36
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1Inkscape use preview items in place of regular ones if the "source" is missing. – SZCZERZO KŁY Dec 17 '18 at 10:44
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Thanks, do you have any suggestion? I generate this plot by R programming language – user2842390 Dec 17 '18 at 13:24
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You can flatten the transparency and change outlines to paths. You can do that either in Adobe acrobat or optimize pdf using ghostscript – SZCZERZO KŁY Dec 17 '18 at 13:37
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The symbols are either a font or a symbol created in different file and not embedded in final pdf. Some programs (like inkscape or scribus) can use "preview" when opening file. If the symbols are vector they can be flatten or changed into paths and objects. It can be done with Adobe acrobat (sometimes require adding 1% white transparent object) or with various scripts for pdf optimization.
