Download Global Mapper - User`s Manual

Global Mapper - User's Manual
The Crop to Manually Specified Boundary in Native Layer Projection/Units option allows you to specify a
crop boundary in the native units of the selected overlay. When selected, this option will display the
Customize Collar Bounds dialog (pictured above) to allow specifying the bounds to crop to.
The Crop a Specified Number of Pixels Around the Edges of the Layer option allows you to specify a number
of pixels to crop of each edge of the selected overlay(s).
The Band Setup tab (pictured below) is available for some types of imagery with 3 or more bands of data.
This tab allows you to control which bands of data are used for the red, green, and blue color bands. This is a
very useful tool when trying to extract different types of information out of multi-spectral imagery.
The Feathering tab (pictured below) allows you specify that you would like to feather-blend the selected
overlay(s) with the underlying overlay(s) on the specified edges. This can be extremely powerful tool for
blending imagery/maps from different sources and/or at different resolution to make the edge between the
map sets invisible. You can choose to either feather-blend around the edges of selected files or along a
selected polygon boundary.
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