Define datum transformation
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Complete the required fields to define a new custom datum transformation.
- Datum Transformation Name: Enter a unique name for the new custom datum transformation.
- Transformation Method: Select method to be used for the datum transformation.
- Datum 1: Select the datum to be used for the From Datum. The Spheroid, Semi-major Axis, and 1/Flattening will be automatically completed using ArcPad’s projection information.
- Datum 2: Select the datum to be used for the To Datum. The Spheroid, Semi-major Axis, and 1/Flattening will be automatically completed using ArcPad’s projection information.
- Parameters: Enter in the required parameters for the selected transformation method. Only the parameters required by the selected transformation method are editable. The Dataset parameter is required by the HARN and NADCON transformation methods, and refers to the name of the .las and .los files.
Click Save to write the new custom datum transformation to the Transforms.dbf file.
Click Clear to clear the selections already made.
Click Manage to edit the parameters of previously saved custom datum transformations. You can also delete datum transformations from the Transforms.dbf file.
Download files to Windows Mobile device
Click Download to copy the Transforms.dbf and DefaultTransforms.dbf files from your PC to the ArcPad “System” folder on your connected Windows Mobile, or Windows CE device. The Download button is only enabled when a Windows Mobile or Windows CE device is connected to your PC via Microsoft ActiveSync (Windows XP) or Windows Mobile Device Center (Windows Vista).