Liqiu Meng

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ATKIS Model Generalization and On-Demand Map
Production

• Liqiu Meng
• 2000.09.21
• Technische Universität München

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• Background
• Multiple Presentation / Multiple Representation
• Strategy of ATKIS Model Generalization
• Operations of On-demand Cartographic Visualization

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Multiple Presentation of Topography Graphics -gt
Graphics
Generalized Map 1
Generalized Map 2
Generalized Map 3
...
Generalized Map n
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Multiple Representation of Topography Model
Generalization (parallel)
Visualization
DTK10/25
Visualization
DLM50
DTK50
Visualization
DLM250
DTK250
Visualization
DLM1000
DTK1000
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Multiple Representation of Topography Model
Generalization (sequential)
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ID-Relationships between Basis OK and OK50
10 Elimination 11 without dimensional shift 11
from area to line 11 from area to point n1
without creation of new object ID n1 with
creation of new object ID
Division of Attributes
Constraints
Dominant Geometric / Semantic Qualitative /
Quantitative
Separating Reducing Reserving
 
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Line Simplification
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Amalgamation of Area Objects
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Aggregation
Objects of the same class Objects of different
classes Objects of the same geometry type Objects
of different geometry types
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Hierarchical aggregation n1
Functional aggregation nm with ngtm
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Association nm with ngtm
Molenaar, 1998
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Execution Sequences of Generation Operations
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Derivation of Quantitative Measures
arithmetic, statistic, fuzzy
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Partitioning an object into homogeneous parts
based on fractal analysis
Rule based treatment of the object L2 with
double identity
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Strategies for Quality Control

• The best possible solution through enrichment of
• tools and data
• An acceptable solution without enrichment of
• tools and data
• An acceptable solution through enrichment of
• tools and data

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Map as Interface between System User and Model