B-processor has a traditional mouse based user interface.

The main screen is divided in three:

• D-view – for showing, selecting, and navigating in the database. The database has taps  for Project, Views, Materials, Library, DBK - classification and Plugins .
• G-view – for modelling, visualizing and selecting  geometry.
• A-view – for displaying and setting/editing  the attribute for a selected object.

Above the main screen is two bars:

• Menu bar – with the command menus: File, Edit, Create, Tools, Help and Gl. colors
• Tool bar – with tool icons

Belove the main screen is a screen area with tool support:

• Info bar – with tool hints, tool togles and tool values (distance, angle etc.)

- to be continued.