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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B4. Istanbul 2004 
  
  
  
Taking of Satellite 
  
  
  
  
  
  
  
  
  
  
  
  
Image 
Primarily process of satellite image Geodetic Surveying with 
Geometrical correction, Image GPS 
correction, Masking i 
v Digitization 
  
  
  
[99]. 
: 
Classification of Image 
  
  
  
  
Border of study area 
  
  
Utility Database sl 
  
3 
Overlay 
illt EI 
  
  
Bases to Geographical 
Information System 
  
  
  
  
  
  
Figure 5. Steps of image processing 
5. CASE STUDY 
Project area; the settlement of Konya Municipality has been 
chosen. The borders are 50 km between South and North, and 
40 km between East and West. Distribution of 75 
triangulation points planned in the case study has been given 
in Figure 6. 
  
  
50 km 
  
  
  
  
  
40 km 
Figure 6. Distribution of triangulation points 
In order to evaluate the satellite image, although 15 
triangulation points are sufficient for accuracy here, 75 
triangulation points are given for us to complete the 
increasing distribution of triangulation point which are 
necessary for the geodetic study ( Cadastre, Plan application). 
In land study Magellan hand GPS and Leica GPS instrument 
have been planned. The survey will be carried out in that 
way: While stationary receiver have occupied a station for an 
observation section, the other one or two receivers will visit 
to the other points for a half hour. The observations will be 
processed in SKI software. 
Satellite image will be obtained from IKONOS satellite. 
Erdas imagine software will be used in rectification 
procedures. 
5.1 Main activities and their time estimations: 
Main activities, optimistic times (ta), most likely times (tm), 
pessimistic times (tb) and expected times (te) of activities and 
total cost of case study are presented in Table 1. 
Drawing the PERT diagram: 
Procedures in order must be carried as followings to draw 
PERT diagram. 
e Relations between activities must be shown, 
e Determining event number for every activity, and 
e Drawing the PERT diagram according to event numbers 
(Figure 7). 
5.2. Total Cost Calculations For project and Its Activities 
Total cost of the activities were calculated with respect to 
the unit prices defined by the Turkish Chamber of Surveying 
Engineers for the first half of 2003 and given in Table 1. 
The price of a GPS set with three receiver on work for 1 
hour: 
The price of a GPS set of three receivers and 
their assessors (A) : 39,000 $ 
Annual working time : 960 hours, 
Time of Amortisation : 5 years, 
Cost of Amortisation: 
20/960x1/100*A—0.00020833A : 8,12487 $ 
Instalment and service tax : % 14.4 
:14.4/960x1/100xA=0.00015A:5,85$ 
Service and maintenance: 
1/960 x 1 / 100xA= 0.0000104 A 
  
0.4056$ 
Total: 14,38047 $ 
The price of the same GPS set on work for! day(6 
rs):86,28282$ 
According to the unit prices of the first half the year of 2003 
for the maps and plans subject to registration and 
endorsement determined by the Chamber of Surveying 
Engineers. 
According to the classical method, cost of 200 000 ha 
mapping is 29 932 000 $. (1 ha = 149,66 $ ) and time 
duration of the project is 10 mounts with 10 group. 
Estimate of finishing project in programmed time : 
P,= 90 days ( estimated) 
T. 70 days ( calculated). 
o — 9.98 (Table 1 ) 
R= (P,-t.)/0 =(90-70)/9.98 =2 
To table of normal distribution the value of R^ 2 is 0,977250. 
To this result the project can be finished in 90 days by 97% 
estimate.