22 
2.3.3 PROSA 
The c< 
The PROSA measuring program for digital elevation models was developed at the face 1 
University of Munich and is also fully integrated into the PHOCUS environ- down r 
ment. In line with the method of progressive sampling, a wide-meshed grid is for tl 
first measured and is then locally densified depending on the terrain struc- with . 
ture. The principal advantage of this approach is the reduction of the number 
of measuring points and, as a result, of the measuring time while retaining Apart 
the desired degree of accuracy. The contour lines obtained by on-line compu- also < 
tation can be displayed and assessed on the VIDEOMAP or Stereo-VIDEOMAP. The gurat 
integration into PHOCUS also permits the use of other output instruments sup- (P-cu 
ported by PHOCUS such as graphic display terminals or plotters. parti' 
After 
2.3.4 PROD forma 
fi 1 e 
A further interesting program in the field of DEM is the PROD profile plot- conne 
ting program which permits the graphic representation of any type of terrain 
section. PROD enables the generation of a planimetric overview of all pro- Opton 
files. Each individual profile can be represented in vertical projection. The surin 
graphic output, including the desired lettering, is controlled by a wide systei 
range of parameters. If design data is available for the measured profiles, 
the cut and fill-up areas in road construction can be highlighted by selec 
table types of representation. The PROD program is a useful addition to the 
previously mentioned measuring programs. 
Anoth 
3. P-CAP for P-Series Planicomp custoi 
3.1 Orientation and mapping The d 
P-CAP is the overall name of the 
- orientation software and the 
- driver for the connection of commercial CAD and GIS systems 
in IBM-compatible computers with a MS-DOS operating system.