Photo2GPS

With support from:

NSF DUE-0903270

Prepared by:

in partnership with:

John McGeeJennifer McKee

Geospatial Technician Education Through Virginia’s Community Colleges (GTEVCC)

.

• Photo2GPS is a software that is similar to RoboGeo. • Photo2GPS is free. • Photo2GPS is only supported by Windows XP.• Photo2GPS does not work with Vista or Windows7

Photo2GPS

Photo2GPS

• A free software program that associates GPS track files with digital photographs

• Created by the Geospatial Extension Educator at the University of Connecticut

• Can be downloaded from http://clear.uconn.edu/geospatial/GPSResources.htm

Final Product

Red icons are photos

Click on icon to see photo taken at that location

Work Flow

Photo2GPS

GPS tracks DNRGarmin to

Track gpx file

Digital Photos

KML file

University of Connecticut, Geospatial Technology Program

Take photo of GPS

unit with Time

displayed

Picture taken at 15:42:28 which puts it two thirds of the distance between the

track points

24 seconds between track points

Track points w/ date and time

displayed

Interpolated Photo Locations

University of Connecticut, Geospatial Technology Program

2007/04/02-15:42:44 2007/04/02-15:42:32 2007/04/02-15:42:18 2007/04/02-15:42:03

15:42:28

Steps to Use Photo2GPS• Take a close-up picture of the GPS unit that shows

the GPS time – make sure it is in focus• Clear the track log – record a new track while taking

pictures• Download tracks (using DNRgarmin) and save in a

gpx file format• Download pictures and save in a separate folder

University of Connecticut, Geospatial Technology Program

Start the Photo2GPS ProgramDouble-click the Photo2GPS desktop shortcut or navigate to your C drive & open Photo2GPS folder

Click the “Set photo

directory…” button

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Scan the Image FolderNavigate to the folder where you downloaded your digital pictures.

Click the Select Folder button.

A message window will appear indicating that the scan has been completed.

University of Connecticut, Geospatial Technology Program

Specify Output FolderClick the “Set Output Folder…” button*This is where final outputs will be stored

Navigate to your C:\GPSCourse\Photo2GPS\Output folder

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Select the GPS Track to be Associated with your Digital Photos

Click the “Select GPS file…” button

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Select the GPS Track

Click the BrowseButton

Navigate to the folder with the track file

Highlight the appropriate file

Click Select Button

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Adjust GPS Receiver Time to Match Digital Camera Time

Click the “Set Time Adjust…” button.

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Calculate Time Offset

Navigate to the Photos folder

Click on the photo of the GPS time and type the time in the box

Click the Calc Time Diff button and then click the Close button

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University of Connecticut, Geospatial Technology Program

Map the Photos to GPS LocationsClick the Map Photos button.

Two output files will be created in the Photo2GPS\Output folder:

1. A text file to load into DNRGarmin to create a GIS shapefile

2. KML for use with Google Earth

Click the Close button.

Then Close the Photo2GPS application

University of Connecticut, Geospatial Technology Program

View Data in Google Earth• Start Google Earth (Start > All Programs > Google

Earth) OR• Double click on KML file

Open KML File

• File menu > Open

• Browse to your output folder, select the KML file & click Open

Viewing KML File

Red icons are photos

Click on icon to see photo taken at that location

Special Thanks toUniversity of Connecticut Geospatial Technology Program & the University of New Hampshire Geospatial Training Program

Any Questions?John McGee

Geospatial Extension Specialistjmcg@vt.edu540-231-2428

Jennifer McKeeGeospatial Project Developer

jmckee@vt.edu540-231-9115