Functionality level 1 
Functionality level 2 
Function 
Input information 
Output information 
3. Calculate distances 
3.1.1 Record Input data 
• Way point list (result from 1.1.3) 
• Orderly way point list is available for calculating 
distances 
3.1.2 Evaluate data 
• Output information from 3.1.1 
• Length of route sections in sm 
3.1.3 Provide set data 
• Output information from 3.2.2 
• Output of distances for each route section and 
of overall distance for the user 
• Storage of distances for each route section and 
of the corresponding allocation