medieval-religion: Scholarly discussions of medieval religion and culture
Christopher wrote:
>there are two ways (at least) to create a .pdf (Acrobat) file:
>
>1) scan your pages and save them in a .pdf format.
>what you will have there is, essentially, a *graphics* file, similar to a .jpg
>or .gif, etc. file in that it is just pixels ; there is no text *in the file*
>--therefore no ability to search for text within the file.
>
>2) scan your pages and run them through an OCR [Optical Character Recognition]
>program (FineReader, OmniPage, etc.).
>
>in this case you no longer end up with a graphics file, but a text file (.doc,
>.rtf, .txt, whichever you save the file as). run that file through Acrobat
>and save the file as a .pdf and it's searchable in Acrobat with the little
>magnifying glass icon in the program.
3) create or re-create a file in Word, PageMaker, or a number of other programs and export it directly as a PDF file. If there's text in your original, that text will be searchable in the resulting PDF file.
The point being that you can only search text in a PDF if the text is in the file _as text_ in the first place. Most Acrobat PDFs you find on the web are, in fact, searchable, since they were usually created by option (3). Acrobat files from other sources may or may not be searchable, depending on how they were created.
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0 Chris Laning
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+ Davis, California
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