- P-Series Planicomp (including additional periphery, in particular 
graphics equipment) for photogrammetric data acquisition and editing 
by means of the VIDEOMAP optical superimposition system. 
- PD digitizing subsystem (including additional periphery, in particular 
graphics equipment) for collecting 2D data, and 
- PE editing subsystem for editing PHOCUS object data. 
A major PHOCUS feature is its user-friendliness. The tuition and training 
concept that ensures this user-friendliness is described in the following. 
137