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UNITED STATES TOPO MAP GPS FILE DEPOT INSTALL
UNITED STATES TOPO MAP GPS FILE DEPOT ARCHIVE
UNITED STATES TOPO MAP GPS FILE DEPOT FULL
UNITED STATES TOPO MAP GPS FILE DEPOT SOFTWARE

Penn State Professional Masters Degree in GIS: Winner of the 2009 Sloan Consortium award for Most Outstanding Online Program Dutton e-Education Institute College of Earth and Mineral Sciences, The Pennsylvania State University. Dutton e-Education Institute and Assistant Program Manager for Online Geospatial Education, and Adrienne Goldsberry, Senior Lecturer, John A. Dutton e-Education Institute, Beth King, Senior Lecturer, John A. Dutton e-Education Institute Ryan Baxter, Senior Research Assistant, John A. Instructors and contributors: Jim Sloan, Senior Lecturer, John A. Dutton e-Education Institute, and Director of Education, Industry Solutions, Esri. To view an excerpt from the DRG metadata, navigate to Tools > Control Center, then click the Metadata button.Īuthor: David DiBiase, Senior Lecturer, John A.Note again the location information that is given to you near the bottom of the application window.Ĭertain tools, e.g., the 3D Path Profile/Line of Sight tool, are not functional in the free (unregistered) version of Global Mapper. The Measure tool (ruler icon) allows you to not only measure distance as the crow flies but also to see the area enclosed by a series of line segments drawn by repeated mouse clicks.

UNITED STATES TOPO MAP GPS FILE DEPOT FULL

The Full View button (the one with the house icon) refreshes the initial full view of the data set. Use the Zoom and Pan tools to magnify and scroll across the DRG.

Experiment with Global Mapper’s tools.

This tells you that the DRG is in fact georeferenced.

Notice that as you glide the magnifying glass cursor over the DRG, the UTM (NAD 27) and geographic coordinates of the cursor's position change in the lower right-hand corner of the window.

The DRG data correspond with the 7.5-minute quadrangle for Bushkill, PA.

Choose File > Open Data File(s)., then navigate to the subdirectory into which you extracted the DRG files.

The result will be five files that make up one Digital Raster Graphic.

UNITED STATES TOPO MAP GPS FILE DEPOT ARCHIVE

Extract all files in the ZIP archive into a known subdirectory.

Now, decompress the archive into a directory on your hard disk.

The ZIP archive is 2.7 Mb in size and will take approximately 35 seconds to download via high-speed DSL or cable, or about 9 minutes and 35 seconds via 56 Kbps modem.

First, create a directory called "USGS Data" on your hard disk, where you can file your materials.

UNITED STATES TOPO MAP GPS FILE DEPOT INSTALL

Double-click on the setup file you downloaded to install the program.ĭownloading and exploring DRG data in Global Mapper.Download the trial version of the software.Navigate to or search the Internet for “Global Mapper”.Skip this step if you already downloaded and installed Global Mapper. Note: Global Mapper is a Windows application and will not run under the Macintosh operating system.

UNITED STATES TOPO MAP GPS FILE DEPOT SOFTWARE

The instructions below will guide you through the process of installing the software and opening the DRG data. Originally developed by the staff of the USGS Mapping Division at Rolla, Missouri as a data viewer for USGS data, Global Mapper has since been commercialized but is available in a free trial version. You can use a free software application called Global Mapper to investigate the characteristics of a USGS Digital Raster Graphic.