ABSTRACT
Tiled viewports The graphics screen can be divided into a number of separate viewing areas called viewports and each viewport can display any part of a drawing. Viewports are interactive, i.e. what is drawn in one viewport is automatically drawn in the others and the user can switch between viewports when creating a model. Viewport layouts (configurations) can be saved thus allowing different displays of the same model to be stored for future recall. Viewports are essential with 3D modelling as they allow different views of the model to be displayed on the screen simultaneously. When used with the VIEWPOINT command (next chapter) the user has a very powerful 3D draughting tool.
