4. Data Collection 
4.1 MAPS 200 On-Line Data Compilation 
MAPS 200 is a system containing programs for on-line 
compilation with graphical or digital output. The system has 
been continuously developed for a number of years and has 
become a de-facto standard in photogrammetric data collection. 
MAPS 200 may be used to collect data using input devices such 
as the Kern analytical plotters, analogue plotters, digitizers 
etc. Graphical on-line or off-line output may be on devices 
such as the Kern GP1 plotting table, the less expensive Houston 
drum plotter, or graphic monitors e.g. in DEC MicroVAX 
workstations. 
Digital output is in user defined ASCII files which may be 
output onto a device connected to the user's computer,data may 
be output directly to an external computer or the data may be 
input into a data base e.g. Kern INFOCAM, for further 
processing and organisation. 
The package includes programs for manuscript preparation and 
on-line compilation. 
.selection of data collection 
modes e.g. point to point, 
continuous sampling etc. 
selection of lines and 
symbols. 
0.R.D.E.R. feature squaring 
parallel line construction. 
-.hidden point construction. 
-.on-line closing and clipping 
of features. 
contour annotation. 
include user defined 
messages in the data file. 
profiling between user 
defined points. 
edit the data through 
several editing functions. 
area computation. 
user-defined symbol 
construction. 
- On-Line Compilation 
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