Full text: Reports and invited papers (Part 3)

  
CA 
3B. 
Increase in mapping speed on the macro-economy of the country: 
The effects of speeding up, or delaying, a mapping process must be 
considered in terms of the macro-economy. In micro-economy, one 
strives for the lowest cost of the product (the aerial photography) 
irrespective of the country's needs. 
In macro-economy, one strives for the optimum fulfillment of the 
country's needs, for management and for economic development. 
Appreciable budgetary must be invested in development management 
and the construction of the country's infrastructure. In mapping for 
these purposes, the factor "time" is dominant because the basic 
information needed for all planning should be available immediately. 
It is fair estimate to assume that the total loss in macro-economy due to 
delays amounts to at least 20% of the total development budget 
concerned. 
Production of additional information: 
Any additional information (radar or laser terrain profiling, magneto- 
metry, data registered in analogue or digital record, any event observed 
during patrol activities and recorded photographically) can be located 
by longitude and latitude. The benefit derived from this can be 
estimated only roughly but it may be considerable. 
Fokker F-27 integrated inertial system 
This system is described in the publication “Fokker F-27 survey air- 
craft”, Fokker-VFW international B.V. and is illustrated in figure 3. 
Basically, it senses, measures and records the six orientation elements 
at the instant of each exposure: 
position (X, Y), applied to determine the location of each principal point, 
and applied to obtain precision survey navigation, 
radar height above terrain (Z), and 
statoscopic height differences between exposure stations (A Z), applied 
to “scale” each photograph and to determine bz, 
azimuth angles, heading and drift 
verticality angles, roll and pitch (o and 3), which are recorded in a same 
order of accuracy as can be done by high precision photogrammetric 
instruments.
	        
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