tanbul 2004 ; : : E
— International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol XXXV, Part B2. Istanbul 2004
wo types of S ; ;
yp Table 2 the taxonomy of spatio-temporal changes impact on a geographical object
p a complex
Name of change data Rules
Appearance ObjectSet, =@ IF ObjectSet, =p AND ObjectSet, ={O ,}
impact on a ObjectSet, ={0 ,}
Disappearance ObjectSet, #{O, } IF ObjectSet, #{O ,} AND ObjectSet, =
ject, object ObjectSet, =@ :
s to identify Stability ObjectSety-(O,) IF ObjectSet, ObjectSet,
fore change ObjectSet,-(O ,}
e taxonomy Mutation ObjectSet,-(O,) IF O, ZO, AND OS,#0S, |
eographical ObjectSet,#{0 2}
scription of Change of themantic ObjectSet,={0y} IF Oy #0, AND 0S,=0S, AND OA ,#0A, THEN
explain the attribute ObjectSet,={0 ,} IF Numltems(OA ,)> NumlItems(OA a) THEN Number of attributes decreases
ct. Given a IF Numltems(OA ,)< Numltems(OA ,) THEN Number of attributes increases
value of the IF Numltems(OA ,)- NumItems(OA ,) THEN
d, we can IF ItemVal(OA ;,)» ItemVal(OA;,) THEN Value of an attribute minishes
IF ItemVal(OA ;,)» ItemVal(OA ;,) THEN Value of an attribute goes up
IF ItemVal(OA ; ,)£ltemVal(OA ;,) THEN Value of an attribute alters.
Change of ObjectSety-[O,) IF Oy ZO, AND OS,=0S, AND OO,#00, THEN
meanings orientation ObjectSet, {O0 ,} IF Position(OO,) # Position(OO,) THEN object moves
Position IF Direction(OO,)ZDirection (OO,)THEN object rotates
Direction Change of ObjectSety={O,} IF O, ZO, AND OS,2O0S, THEN
geometry ObjectSet, {0 ,} IF GType(OG)=POLYGON AND OG ,#0G , THEN
Geometry IF Area(OG ,)= Area(OG ,) THEN Area object deforms
type IF Area(OG ,)> Area(OG ,) THEN Area object contracts
IF Area(OG ,)« Area(OG ,) THEN Area object expanses
IF GType(OG)-LINE AND OG ,ZOG , THEN
IF Length(OG ,)=Length(OG ,) THEN Line object deforms
IF Length(OG ,)»Length(OG ,) THEN Line object shortens
IF Length(OG ,)«Length(OG ,) THEN Line object extends
Length of
line object
Area of
area object
Number of
attributes
Value of 4.4 Classification and Representation of changes impact on three catalogs of change: 1:n, n:1 and n:m. Here, we only take into
attribute A many objects account the first two catalogs. Table 3 gives the taxonomy of
|
spatio-temporal changes impact on many geographical objects.
The state ; T
Many complex scenarios of change involve several objects. They
before have impact on the result of the changes. In this case, there are
_ change | Table 3 the taxonomy of spatio-temporal changes impact on many geographical objects
The state Name of data Rules |
after change
change spawn ObiectSete -(0, IF Op # Oia (for V Oja (IZisn) | THEN
changes. ObjectSet, IF there is only one Oia (1Sin) Osp=OS;a THEN Of, spawns new objects.
es related Lu 2104.05 0
nierarchy. fission ObjectSet, ={O,} IF Op * Oia { for V Oja (1512 n) THEN
al feature ObjectSet, IF OSp # OSja { for kA Ot ISiSn) THEN Op fissions into several objects.
ing these SiO, n su! |
[s ——
changes.
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