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The DEM Interpolation Wizard is designed to allow the 5 tasks associated with interpolating a DEM (3 optional tasks) to be run in succession without user intervention. This is useful for large DEM projects where the tasks may take some time. To include an optional task in the batch process check the checkbox associated with that task. To run a task now, click the red arrow icon and it will run and change to a green tick. A task may be greyed out (such as ITLs in the image above) if this data has not be incorporated into the project. To process all tasks that have not been processed (red cross icons and checked checkboxes), select the Process All Selected button. Once this complete, click Close to update the display.
The five processes associated with DEM interpolation are described in the following sections.