Use to select the area to merge.

• Block: Using the pointer, select two data points to create a block to merge.

• Oriented Block: Using the pointer, select data points to create an oriented block to merge.

• Element: Using the pointer, select an existing closed vector element to merge.

• Shape: Using the pointer, draw a shape to merge.

• View: Using the pointer, enter a data point in the view to be used to merge.

• Open Dialog: The "Merge Options" dialog opens after selecting an area.
• Load preset file: When selected an additional field named "Preset File" becomes available. After selecting a preset file and an area the "Save Merge Output as" dialog opens.

Used to turn the Use Fence feature ON or OFF. If ON, the tool works on the raster(s) overlapped by the fence and ignores the selected raster(s). If the fence mode is not set to “Clip”, it will be used but treated as a fence clip. The area option button is grayed out. If OFF, the tool works on the selected raster(s). The area option button is available.