| 2004 
  
'canner 
irnal of 
> .138- 
sso, P., 
) Laser 
| From 
| Scale 
1 2002, 
ysis of 
system. 
ational 
and 
o the 
olution 
Built 
posium 
2002. 
Systems 
pp. 21- 
  
riment 
  
International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part BS. Istanbul 2004 
  
  
  
  
Figure 3. Diagram of maximum coverage angles 
  
Figure 5. Point cloud showing with and without 
a masking tape 
Masking tape. 
Aluminum surface 
Aluminum 
IB D111 1117s. 
Spray 
  
Figure 4. Point cloud showing with and without 
an application of dulling spray 
  
  
  
  
  
  
  
  
Coverage Angle Observations (degree) Coverage Increase 
Pipe Surface Materials 
1 2 3 MAX. Angle (%) (%) 
A Brass N/A 158.20 16513 153.15 165.13 45.87 N/A 
As Is 
B PVC 62.19 57.14 52.79 62.19 1728 4 
Sprayed 115.12 98.94 123.51 123.51 34.31 
As Is 
C Staliloss Sion 56.17 59.63 45.22 59.63 16.56 | 395 
Sprayed 134.91 151.16 140.59 - 151.16 41.99 
As Is 
D Calvatia 83.08 67.95 69.55 83.08 23.08 598 
Sprayed 134.79 126.65 136.62 136.62 37.95 
As Is : 
= Steel 82.47 86.46 81.45 86.46 24.02 564 
Sprayed 145.50 15332. 14994 153.32 42.59 
F Ceramic N/A 123.71 — 12649 12401 126.49 35.14 N/A 
As Is 
G Aluminum 93.11 98.64 95.24 98.64 2740 aio 
Sprayed 156.91 | 161.66 153.08 161.66 44.91 
  
Table 1. Observations of Coverage Angles with Dulling spray