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Lesson 3. Creating PDF from Authoring Pr... > Viewing and comparing the PDF files

Viewing and comparing the PDF files

Now you'll compare the two PDF documents you created.

1.
Maximize or show Acrobat.

2.
If needed, choose File > Open, select Flyer1.pdf in the Lesson03 folder, and click Open.

3.
Choose View > Fit in Window to view the entire document.

Note

If you need to use the supplied PDF document, open the Flyer.pdf file located in the Supply folder inside the Lesson03 folder.

As you can see, Distiller created an exact duplicate of the original file. Take particular notice of the car logo at the top of the page. This was a placed Encapsulated PostScript (EPS) image in the PageMaker document. You'll now compare it with the PDF document you created with PDFWriter that contains the same logo.



4.
If you closed Contract1.pdf earlier, open it again.

Note

If you need to use the supplied PDF document, open the Contract.pdf file located in the Supply folder inside the Lesson03 folder.

5.
Choose Window > Tile > Vertically to view the two documents side by side.

6.
Select the zoom-in tool () and marquee-zoom around the car logo at the top of the page in each document to magnify the view of the logo.

Notice that the PDF file produced by Distiller (the flyer) displays a cleaner logo than the logo displayed in the PDFWriter document (the contract). Because PDFWriter does not understand the PostScript language, it supplies a bitmap image of placed EPS files in the PDF documents it creates. In contrast, Acrobat Distiller maintains the resolution independence of the placed EPS graphic because it understands the PostScript information that describes it, and passes that along in the PDF file.


PDFWriter



Distiller


7.
Now scroll to view the text in each document.

Notice that the text in each document is smooth and easy to read. You can use either Distiller or PDFWriter to get acceptable results from text-based documents.

8.
When you have finished viewing the documents, choose Window > Close All to close the documents, and exit or quit Acrobat.


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