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CAMEO: Downloading MARPLOT

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MARPLOT 4.2.3 is a Windows application that can be run on XP, Vista, or Windows 7. Macintosh users can still run an older version of MARPLOT; download the Mac version.

Existing MARPLOT users:

MARPLOT 4.x users: MARPLOT 4.2.3 requires 2010 TIGER files (county-level roads, rivers, etc.). The installer will give you the option to delete any previously downloaded 2007 TIGER files. If you install the program and map data to the same locations as your current MARPLOT, you will not need to transfer any data. However, it is recommended that you make a backup copy of your MarplotMaps folder before running the installer. After installation, use the Download Manager to download new 2010 TIGER files for counties of interest. You may also want to select the "Check for Updates" option in the Help menu to see if other files (such as state census blocks) need to be updated.
MARPLOT 3.x users: If you're using a version of MARPLOT prior to version 4.0, you should follow the guide for updating to MARPLOT 4.x from a 3.x version of MARPLOT. To retain your current MARPLOT maps and data, please read this document before installing MARPLOT 4.2.3.

Downloading MARPLOT version 4.2.3

Download MARPLOT 4.2.3 full installer (EXE) (72.1 MB)
(use the full installer if you don't already have MARPLOT, or if you have less than version 4.2)

Download MARPLOT 4.2.3 updater (EXE) (12.8 MB)
(use the updater only if you already have MARPLOT version 4.2, 4.2.1, or 4.2.2)

Note: The installer file comes with the MARPLOT program, a set of national basemap layers, and an extensive set of context-sensitive help screens (rather than a separate manual).

For technical information about file formats and import/export, download:
MARPLOT Technical Documentation (PDF) (56 pp, 281K)

Installing MARPLOT

If you have a pre-4.0 version of MARPLOT:

Remember to download and read the guide for updating to MARPLOT 4.x from a 3.x version.

Once you have downloaded the installation program, double-click the MARPLOT application file, then follow the directions you'll see on your screen.

Starting MARPLOT

To start MARPLOT, open the Start menu, then point to Programs, and then click MARPLOT.

Getting Help

You can report software bugs or obtain additional assistance by emailing RMPRC@epacdx.net, or by calling the CAMEO help desk at (703) 227-7650.

What's New in MARPLOT Version 4.2.3?

Fixed the Go to Address feature which was using a discontinued web service. It now uses a MapQuest API.

Updated the Topo basemap layers, which are web mapping services (WMS) provided by other organizations.

Minor changes and bug fixes.

Directory of MARPLOT download files