Composite drawing allows to collect a set of raster, map or vector documents into a single composite document. Individual drawings in the composite document can be selected to allow changing of their parameters, their position in common world coordinates and their visible areas (viewports).
Composite Drawing Manager
Composite drawing manger allow to see all drawing that creates composite drawing and to change their parameters, manage layers, coordinates or to simply add delete some of drawings.
Initial view shows Composite Drawing parameters. Note that units defined here will define what units will be shown in viewer when displaying this drawing (so area calculation, length etc).