The Map menu provides access to GS+ mapping functions.
• 3d Map – display the Mapping window with 3D mapping selected
• 2d Map – display the Mapping window with 2D mapping selected
• 1d Transect – display the Mapping window with 1D mapping selected; if a 2-dimensional map file (one having both an x and a y coordinate) is currently selected, the 1D option cannot be selected