Table.2 Result of verification of rehability 
  
  
  
  
  
  
  
  
  
  
  
| Party | Distance from | Checked fireworks | Estimated fireworks lUn-estimated fireworks 
| number, launching site number | | viewing area viewing area 
| : (m) (numbers) Q A x G A x 
[ 100% | 0% | 0% | 67% | 23% | 0% 
> 1 700 1100 24 (24) (0) (0) (18) (6) (^ 
| 100 % 0% 0% 61% 29 % 0% 
2 | 1300 1700 18 (18) (0) (0) (11) (7) (0) 
100 % 0% 0% 0% 1100 % 0% 
394. | 450 1700 8 (8) (0) (0) (0) (8) (0) 
| 78% | 22% | 0% | 44% 56% | 0% 
4 1300 ~ 1700 18 (14) (4) (0) (8) (10) (0) 
| 94 96 6% 0% 54% | 46% 0 96 
Total | 68 | (64 (4) (0) (37) (31) (0) 
  
  
  
  
  
  
  
  
  
1) Numerical value in parentheses is observation 3) Symbol in column of un- estimated fireworks 
data number viewing area 
2) Symbol in column of estimated fireworks O : Could see perfect sight of fireworks 
viewing area 
O : Could not see sight of fireworks 
A. : Could see only partial sight of fireworks 
X : Could not see sight of fireworks 
Estimated fireworks viewing area 
(64 *(4/2)31/68-97 96 
Un-estimated fireworks viewing area 
{37 +(31/2}/68=77% 
x : Could see perfect sight of fireworks 
A : Could see only partial sight of fireworks 
Note:Triangle symbol is counted of 0.5 marks 
per one mark 
  
SESS A pM;B T ol SS 
Qo Q4 RRUHBRIPERHS 
  
Legend 
Q Check point at the estimated fireworks viewing area 
O Check point at the un-estimated fireworks viewing area 
Fig.5 Spots of verification of reliability and launching site 
308 
International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B5. Vienna 1996