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Chapter 4. Creating an Interactive Map > Converting Images in Acrobat

Converting Images in Acrobat

Where you convert a document depends on the document type and your workflow. If you are working in a program that contains a PDF conversion function, like Photoshop or InDesign, you can convert the document directly from there. In fact, if you are working in Photoshop with PSD files, it is important to convert them from Photoshop because Acrobat doesn’t have a conversion option for native PSD files; the same applies to InDesign documents.

You can create PDF documents from the source images in Acrobat. Acrobat includes preferences used for converting files of different formats to PDF; the conversion options vary according to the file format. Let’s look at how to create the map PDF in Acrobat.

Follow these steps to begin the conversion process within Acrobat:

To view the preferences, choose Edit > Preferences (Acrobat > Preferences on a Mac) to open the Preferences dialog (Figure 4.3).

Figure 4.3. Check and change the preferences before converting files to PDF in Acrobat.

Click Convert To PDF in the categories column at the left of the dialog to display the Converting to PDF settings.

Click the file format you want to review from the list. In Figure 4.3, the TIFF file format is selected.

Read the current settings for the file format at the right of the dialog. The default conversion for TIFF files uses medium-quality JPEG compression for color; we’ll change this option for this project.

To modify the settings, click the Edit Settings button; the Adobe PDF Settings dialog opens (Figure 4.4).

Figure 4.4. Modify the settings for a selected file type in this dialog.

Adjust the settings as desired. In Amanda’s project, the converted image should be of high quality; click the Color pull-down arrow in the Compression options area of the dialog to open the list, and choose an alternate setting.

Click OK to close the dialog and return to the Preferences dialog; click OK to dismiss the Preferences dialog and return to Acrobat.

Once Preferences are changed in Acrobat, they remain that way until you change them again. If you can’t recall all the settings you modified for a particular file format, click Default to restore the default range of settings.

Download the map.tif file to use as the source image for the map. Download the map.pdf file if you want to see the PDF that is used for the background, where buttons and text will be added.

Once you have checked the conversion settings, it’s time to convert the image.

Follow these steps:

Click the Create PDF task button to open its pull-down menu, and select From File (Figure 4.5). The Open dialog displays. If you can’t see the task buttons, choose View > Task Buttons > Create PDF.

Figure 4.5. Choose from a number of ways to create a PDF document in Acrobat from the Create PDF task button’s menu.

In the Open dialog, locate and select the file you want to convert to PDF. Amanda selects the map. tif file from her file folder. Click Open to dismiss the dialog and convert the file.

Choose File > Save to save the converted image PDF.


Task buttons are different from toolbars. On a toolbar, you see a collection of icons for commands that pertain to the same type of object, such as the Rectangle and Line tools on the Drawing Markups toolbar. Task buttons contain a number of functional options for performing a specific type of task, such as creating a PDF file or form.

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