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Adobe Acrobat 9 How-To #109: Commenting and Measuring on a PDF Map

Contents

  1. Marking a Map
  2. Searching for Coordinates
  3. Building a PDF Map

Article Description

Acrobat 9 Pro Extended (Windows) allows you to mark geographic locations, search for a map location, and add measurement markups on maps with embedded georeference data. Donna L. Baker discusses this powerful new feature.

Searching for Coordinates

You can search for specific coordinates rather than scrolling the maps for a location—a handy approach if you have several pages of maps showing different features such as topography and rainfall distribution. To use coordinate searching, you need a georeferenced map.

  1. Right-click the Geospatial Location tool on the map to open the shortcut menu. Choose Show Location Search.
  2. In the Info widget, type the positioning values in the two blank fields and click Next. The location is shown on the map in a special icon (see Figure 2).
  3. If desired, identify the location with a comment.
  4. Continue adding reference data and identifying map locations as needed. When you're done, choose Hide Location Search from the shortcut menu to close the Search widget.
    Figure 2

    Figure 2 Identified geographic locations are stored in a comment.

The Measuring tools can measure distance, area, and perimeter on a map. The measuring tools work much the same way in map and non-map PDF files, with a couple of exceptions:

  • On a PDF map, the measured value is stored in a drawing markups comment, such as a line or polygon.
  • On a PDF map, the shortcut menu for the measurement types includes options to specify distance units and area units.

The values shown in the measurement are inserted into a comment using the map data (see Figure 3).

Figure 3

Figure 3 Locations on a map are measured using the map's data as units of measurement.

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