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Merge Surfaces: This command will create a new Seafloor surface (DTM) for a chart by merging surfaces from other charts in folders of type Chart.
Make Boundary PolygonOutline and Holes: This command will create the outline (boundary (outline) and interior hole polygons for a chart. The boundary polygons can be created from the Seafloor (DTM) dataset or from the Soundings (points) dataset. (Not enabled for Shelf.)
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