A consistent hierarchical representation for vector data
SIGGRAPH '86 Proceedings of the 13th annual conference on Computer graphics and interactive techniques
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Surface simplification using quadric error metrics
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Multidimensional access methods
ACM Computing Surveys (CSUR)
Smooth view-dependent level-of-detail control and its application to terrain rendering
Proceedings of the conference on Visualization '98
Efficient implementation of multi-triangulations
Proceedings of the conference on Visualization '98
Data Structures for Range Searching
ACM Computing Surveys (CSUR)
The Quadtree and Related Hierarchical Data Structures
ACM Computing Surveys (CSUR)
The K-D-B-tree: a search structure for large multidimensional dynamic indexes
SIGMOD '81 Proceedings of the 1981 ACM SIGMOD international conference on Management of data
A class of data structures for associative searching
PODS '84 Proceedings of the 3rd ACM SIGACT-SIGMOD symposium on Principles of database systems
Visualization of large terrains made easy
Proceedings of the conference on Visualization '01
Managing Large Terrain Data Sets with a Multiresolution Structure
DEXA '00 Proceedings of the 11th International Workshop on Database and Expert Systems Applications
Direct Mesh: a Multiresolution Approach to Terrain Visualization
ICDE '04 Proceedings of the 20th International Conference on Data Engineering
Multiresolution amalgamation: dynamic spatial data cube generation
ADC '04 Proceedings of the 15th Australasian database conference - Volume 27
A Multiresolution Terrain Model for Efficient Visualization Query Processing
IEEE Transactions on Knowledge and Data Engineering
A motion-aware approach for efficient evaluation of continuous queries on 3D object databases
The VLDB Journal — The International Journal on Very Large Data Bases
Multiresolution query optimization in an online environment
APWeb'05 Proceedings of the 7th Asia-Pacific web conference on Web Technologies Research and Development
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Using Multiresolution Terrain Model (MTM) is a common approach to improve the performance of visualizing large terrain data. With the constant increase in the size of terrain data, it is becoming less feasible to have all the data in main memory during visualization. The data exchange between main memory and secondary storage becomes a bottle-neck of terrain visualization, especially for operations like selective refinement. However, this problem has received little attention so far in the context of multiresolution terrain visualization. The need to access the terrain database at multiple levels of detail (LOD) is a fundamental requirement to support secondary-storage multiresolution terrain visualization. However, conventional spatial database access methods are typically based on single resolution only. A new indexing structure, LOD-quadtree, is proposed to support selective refinement on tree-structured MTMs. The new indexing method manages the terrain data in an x-y-error three-dimensional space. In this way, it incorporates the LOD information into the spatial index and at the same time provides efficient locality support. The new indexing method improves visualization performance by accessing the terrain database efficiently at different levels of detail and restricting the data retrieval within specified area. As the LOD-quadtree has no specific requirements for MTM hierarchy structure, it can be used to support different types of tree-structured MTM without modifying them.