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Proceedings of the Symposium on Progress in Data Processing and Analysis

New Developments in the Processing Software for P-Series Planicomp
Johannes Saile, Oberkochen
1. Introduction
The instruments of the PIanicomp P-Series were presented to the public three
years ago. The economy-priced P3 PIanicomp has since become a standard
instrument among analytical plotters, especially for jobs involving bulk data
acquisition, i.e. in the fields of topographic mapping and DEM data acquisi
tion. The top-of-the-1ine instrument PI PIanicomp is primarily used for ap
plications where the special possibilities of optics switchover, optical in
terfacing and the large photocarriages are required, i.e. for triangulation
measurements, terrestrial photogrammetry or if the connection of the VIDEOMAP
stereo version would be of advantage. Both instruments feature the charac
teristic P-cursor for free-hand guidance of the floating mark and for command
input. The P2 PIanicomp, which was derived from the viewer of the C120
PIanicomp and is therefore equipped with the traditional handwheels and foot
disk, has also succeeded in holding its share of the market. Customers are
now increasingly making use of the option to upgrade an existing C100
PIanicomp to a P2 in order to be able to utilize the extensive capabilities
of the PHOCUS program system. The three years since the market launch have
shown that the three instruments with their different performance features
effectively cover the users' requirements so that there has been no need for
major changes or extensions of the hardware design. The flexibility of the
instruments was also used to full advantage when it came to the connection of
IBM-compatible computers featuring an MS-DOS operating system. The name P-CAP
stands for the orientation software and the connection of CAD and GIS pro
grams written for this computer category.
This paper deals with the capabilities and new features of PHOCUS and P-CAP,
the emphasis being placed on object-oriented data acquisition and the meas
urement of digital terrain models.