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2.5 GPX File Format
The GPS Exchange Format is a light-weight XML data format for the interchange of GPS data (Waypoints, Routes,
and Tracklogs) between applications and Web services on the Internet.
GPS TrackMaker® supports GPX 1.1, being able to export and import Tracklogs, Routes and Waypoints.
To export to GPX format, click on Files -> Save File as -> choose GPS Exchange Format .
To import a GPX file, click on Files -> Open File -> Choose GPS Exchange Format .
2.6 Importing GeoTiff Images
This option is available only in GPS TrackMaker Professional®.
Geotiff is a georeferenced version of the popular TIFF format of raster images. This means that the calibration
data are already inserted in the image file. Just open the TIFF to the GTM PRO® calibrates the image
automatically, placing it in the correct position.
If a GeoTiff is opened and the calibration data are correctly recognized, GTM PRO® will create a specific User Grid
for the image. Extra information contained in the TIFF file will be transferred to the Image Comment field and can
be viewed through
Map Image Properties window
GTM PRO® supports GeoTiffs saved in the following projections:
•
Geographic
•
Transverse Mercator
•
Oblique Mercator/ Rosenmund
•
Gauss Krugger
•
New Zealand Map Grid
If GTM PRO® is not able to recognize the calibration data contained in the GeoTiff, the
opened, showing a list of probable coordinate systems. Usually, when the Import Tool is opened, a new calibration
will be necessary.
Only GeoTiff saved in metric and angular units are supported. Systems that use feet, yards or other units are not
supported.
To open a GeoTiff file, click in File > Open File > Geocoded Target Images . Geotiffs are saved in the TIF and TIFF
extensions.
Note: Geotiffs are opened exclusively through Open File menu. If you use the Insert Image menu to open a
GeoTiff, the image will be imported as a common TIFF not geocoded.
.
16
Import Tool
window will be
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