Projections and Datums

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This section discusses how DigiTerra Explorer handles projections. DigiTerra Explorer contains cc. 3130 projections and 12 projection types for field mapping, that can be customized easily in the Custom Projection panel or in the editable Grid.txt file, that can be found in the following directories:

 

Projection parameters file: Grid.txt

 

Path:

Desktop version:

$INSTDIR\Grid.txt

Mobile version:

$SDCARD\BIN\Grid.txt

 

The projection setting is one of the most important parameter of the DigiTerra Explorer mapping project, that you have to set up for every new map on the New map panel by tapping on the displayed name of the projection button.

 

Projection button: Shows the current projection. Tap on this button to open the Select projection panel to select an other projection.

 

OK  - Creates the new empty mapping project.

 

More details about the New map dialog can be found in the Projects sub-menu topic

 

k-tip-iconThe selected projection can be changed on the Settings panel > GPS tab > Projection to empty mapping projects. The projection setting can be changed in existing mapping projects because DigiTerra Explorer can reproject into another projection. Please use the Reprojection tool for this purpose.