Visibility problems for polyhedral terrains
Journal of Symbolic Computation
Applications of spatial data structures: Computer graphics, image processing, and GIS
Applications of spatial data structures: Computer graphics, image processing, and GIS
The design and analysis of spatial data structures
The design and analysis of spatial data structures
SIAM Journal on Scientific and Statistical Computing
A data reduction scheme for triangulated surfaces
Computer Aided Geometric Design
On levels of detail in terrains
Proceedings of the eleventh annual symposium on Computational geometry
Hierarchical triangulation for multiresolution surface description
ACM Transactions on Graphics (TOG)
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Real-time, continuous level of detail rendering of height fields
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Multiresolution analysis for surfaces of arbitrary topological type
ACM Transactions on Graphics (TOG)
Surface simplification using quadric error metrics
Proceedings of the 24th annual conference on Computer graphics and interactive techniques
Approximating weighted shortest paths on polyhedral surfaces
SCG '97 Proceedings of the thirteenth annual symposium on Computational geometry
ROAMing terrain: real-time optimally adapting meshes
VIS '97 Proceedings of the 8th conference on Visualization '97
Building and traversing a surface at variable resolution
VIS '97 Proceedings of the 8th conference on Visualization '97
Progressive TINs: algorithms and applications
GIS '97 Proceedings of the 5th ACM international workshop on Advances in geographic information systems
Progressive forest split compression
Proceedings of the 25th annual conference on Computer graphics and interactive techniques
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
A general method for preserving attribute values on simplified meshes
Proceedings of the conference on Visualization '98
Adaptive Real-Time Level-of-Detail-Based Rendering for Polygonal Models
IEEE Transactions on Visualization and Computer Graphics
A Pyramidal Data Structure for Triangle-Based Surface Description
IEEE Computer Graphics and Applications
On Quality Paths on Polyhedral Terrains
IGIS '94 Proceedings of the International Workshop on Advanced Information Systems: Geographic Information Systems
Remembering Conflicts in History Yields Dynamic Algorithms
ISAAC '93 Proceedings of the 4th International Symposium on Algorithms and Computation
Variable Resolution Terrain Surfaces
Proceedings of the 8th Canadian Conference on Computational Geometry
Automatic extraction of Irregular Network digital terrain models
SIGGRAPH '79 Proceedings of the 6th annual conference on Computer graphics and interactive techniques
Regular and irregular multi-resolution terrain models: a comparison
Proceedings of the 10th ACM international symposium on Advances in geographic information systems
Morphology-driven simplification and multiresolution modeling of terrains
GIS '03 Proceedings of the 11th ACM international symposium on Advances in geographic information systems
Multi-resolution out-of-core modeling of terrain and teological data
Proceedings of the 13th annual ACM international workshop on Geographic information systems
Multi-scale dual morse complexes for representing terrain morphology
Proceedings of the 15th annual ACM international symposium on Advances in geographic information systems
Smugglers and border guards: the GeoStar project at RPI
Proceedings of the 15th annual ACM international symposium on Advances in geographic information systems
Variable-resolution Compression of Vector Data
Geoinformatica
Efficient transmission of vector data over the Internet
International Journal of Geographical Information Science
A view-dependent method for the multi-resolution representation of terrains with roads embedded
International Journal of Remote Sensing
Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems
A multi-resolution model of vector map data for rapid transmission over the Internet
Computers & Geosciences
Constructing multi-resolution triangulated irregular network model for visualization
Computers & Geosciences
Wavelets for adaptively refined 3√2-subdivision meshes
International Journal of Computers and Applications
Fan clouds: an alternative to meshes
Proceedings of the 11th international conference on Theoretical foundations of computer vision
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We describe VARIANT (VAriable Resolution Interactive ANalysis of Terrain), an extensible system for processing and visualizing terrains represented through Triangulated Irregular Networks (TINs), featuring the accuracy of the representation, possibly variable over the terrain domain, as a further parameter in computation. VARIANT is based on a multiresolution terrain model, which we developed in our earlier research. Its architecture is made of a kernel, which provides primitive operations for building and querying the multiresolution model; and of application programs, which access a terrain model based on the primitives in the kernel. VARIANT directly supports basic queries (e.g., windowing, buffering, computation of elevation at a given point, or along a given line) as well as high-level operations (e.g., fly-over visualization, contour map extraction, viewshed analysis). However, the true power of VARIANT lies in the possibility of extending it with new applications that can exploit its multiresolution features in a transparent way.