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Title
Proceedings of the Symposium on Progress in Data Processing and Analysis

344
Vector
Raster
Geometry
S> ? 2
o o o o o o
o O O O o O
o o o o o o
P 1
9 0 0 0 0 0
Description
of geometry
r “1
1 explicite |
l 1
implicite
(co-ordinates
from the order)
Feature
indirect
(over references)
i 1
1 .. , 1
| direct |
1 1
Continuous
realization
r l
L P2 " Pl _|
limit of
digitizing
Discrete
realization
digital straight
line
r~
listing of
base elements
1
“1
1
1
_i
Operations
- determination
of length of
curve
I ¿n p i + i - p i h !
L_ 1 _!
adding of
direction codes
- area of
surfaces
analytical
calculation
i 1
1 adding 1
I 1
- superpositions
analytical
calculation
simple value 1
addition
I 1
I I favourably associated
I 1
Table 2: Comparing vector and raster representations