VACET: Proposed SciDAC2 Visualization and Analytics Center for Enabling Technologies (2009)
W. Bethel, C. Johnson, C. Hansen, S. Parker, C. Silva, V. Pascucci, ...
Abstract. This project focuses on leveraging scientific visualization and analytics software technology as an enabling technology for increasing scientific productivity and insight. Advances in...
VACET: Proposed SciDAC2 Visualization and Analytics Center for Enabling Technologies (2008)
W. Bethel, C. Johnson, C. Hansen, S. Parker, C. Silva, V. Pascucci, ...
Abstract. This project focuses on leveraging scientific visualization and analytics software technology as an enabling technology for increasing scientific productivity and insight. Advances in...
Abstract Visualization of Scalar Topology for Structural Enhancement (2008)
C. L. Bajaj, V. Pascucci, D. R. Schikore
Scalar fields arise in every scientific application. Existing scalar visualization techniques require that the user infer the global scalar structure from what is frequently an insufficient display...
VACET: Proposed SciDAC2 Visualization and Analytics Center for Enabling Technologies (2008)
W. Bethel, C. Johnson, C. Hansen, S. Parker, C. Silva, V. Pascucci, ...
Abstract. This project focuses on leveraging scientific visualization and analytics software technology as an enabling technology for increasing scientific productivity and insight. Advances in...
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R. Borgo, R. Scopigno, P. Cignoni, V. Pascucci, Visual Computing Group
The increasing rate of growth in size of currently available datasets is a well known issue. The possibility of developing fast and easy to implement frameworks able to visualize at least part of a...
Massive Data Pre-Processing with a Cluster Based Approach (2008)
R. Borgo, P. Cignoni, V. Pascucci, R. Scopigno
Data coming from complex simulation models reach easily dimensions much greater than available computational resources. Visualization of such data still represents the most intuitive and effective...
1 Abstract Progressive IsoContouring (2008)
We describe a hierarchical volumetric representation of input meshes yielding isocontour output progressively and with decreasing geometric error. The maximum tolerable error bound can be prespeci...
Progressive Dimension-Independent Boolean Operations (2008)
G. Elber, N. Patrikalakis, P. Brunet (editors, A. Paoluzzi, V. Pascucci, G. Scorzelli
This paper introduces a new progressive multi-resolution approach for representating and processing polyhedral objects of any dimension. Our representation, a variant of BSP trees [Nay90] combined...
Understanding the Structure of the Turbulent Mixing Layer in Hydrodynamic Instabilities (2008)
D. Laney, A. Mascarenhas, P. Miller, V. Pascucci
When a heavy fluid is placed above a light fluid, tiny vertical perturbations in the interface create a characteristic structure of rising bubbles and falling spikes known as Rayleigh-Taylor...
Progressive Dimension-Independent Boolean Operations † (2008)
G. Elber, N. Patrikalakis, P. Brunet (editors, A. Paoluzzi, V. Pascucci, G. Scorzelli
This paper introduces a new progressive multi-resolution approach for representating and processing polyhedral objects of any dimension. Our representation, a variant of BSP trees [Nay90] combined...
A Programming Approach for Complex Animations - Part I: Methodology (2007)
C. Bajaj, C. Baldazzi, S. Cutchin, A. Paoluzzi, V. Pascucci, M. Vicentino
This paper gives a general methodology for symbolic programming of complex 3D scenes and animations. It also introduces a minimal set of animation primitives for the functional geometric language...
On Matching Sets of 3D Segments (2007)
The problem of matching 3D objects has been studied extensively in computer vision. Here we consider the case of polyhedral objects extracted from range images and represented in terms of 3D lines....
NURBS based B-rep Models for Macromolecules and their Properties (2007)
C. Bajaj, H.Y. Lee, V. Pascucci
this paper we focus on the first case where it is required to represent the primary and secondary structure of a macromolecule. One representation of the primary structure is the space filling model,...
Figure 1: (left) Smoothing and (right) refinement with smoothing computed from a coarse representation (center) using the same progressive algorithm. Multi-resolution data-structures and algorithms...
Slow Growing Subdivision (SGS) in Any Dimension: Towards Removing the Curse of Dimensionality (2007)
Eurographics G. Drettakis, V. Pascucci
In recent years subdivision methods have been one of the most successful techniques applied to the multi-resolution representation and visualization of surface meshes. Extension these techniques to...
C. L. Bajaj, V. Pascucci, G. Rabbiolo, D. R. Schikore
Hyper-volume visualization is designed to provide simple and fully explanatory images that give comprehensive insights into the global structure of scalar fields of any dimension. The basic idea is...
Terrain Simplification Simplified: A General (2007)
Approved for public release; further dissemination unlimited
Using Graphs for Fast Error Term Approximation of Time-varying Datasets Abstract (2007)
C. Nuber, E. C. Lamar, V. Pascucci, B. Hamann, K. I. Joy
We present a method for the efficient computation and storage of approximations of error tables used for error estimation of a region between different time steps in time-varying datasets. The error...
Web Based Collaborative CAAD (2007)
C. Bajaj, S. Cutchin, V. Pascucci, A. Paoluzzi, C. Morgia
Computer Aided Architectural Design(CAAD) of large complexes typically involves interaction between multiple users that concur in developing different parts or aspects of the designed structure. In...
C. Bajaj, C. Baldazzi, S. Cutchin, A. Paoluzzi, V. Pascucci
approach for very complex animations through geometric programming
Approved for public release; further dissemination unlimited (2007)
This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their...
This paper presents a simple approach for rendering isosurfaces of a scalar field. Using the vertex programming capability of commodity graphics cards, we transfer the cost of computing an isosurface...
Parallel computation of the topology of level sets (2003)
This paper introduces two efficient algorithms that compute the Contour Tree of a 3D scalar field F and its augmented version with the Betti numbers of each isosurface. The Contour Tree is a...
A Multi-resolution Data Structure for Two-dimensional Morse-Smale Functions (2003)
H. Edelsbrunner, H. Edelsbrunner, B. Hamann, ...
We combine topological and geometric methods to construct a multi-resolution data structure for functions over two-dimensional domains. Starting with the Morse-Smale complex, we construct a...
Real-time monitoring of large scientific simulations (2003)
V. Pascucci, L. Linsen, B. Hamann, F. Gygi
We present a distributed framework that enables real-time streaming and visualization of data generated by large remote simulations. We address issues arising from distributed clientserver...
Real-time monitoring of large scientific simulations (2003)
V. Pascucci, L. Linsen, B. Hamann, F. Gygi
We present a distributed framework that enables real-time streaming and visualization of data generated by large remote simulations. We address issues arising from distributed clientserver...
Parallel computation of the topology of level sets (2003)
This paper introduces two efficient algorithms that compute the Contour Tree of a 3D scalar field F and its augmented version with the Betti numbers of each isosurface. The Contour Tree is a...
A Multi-resolution Data Structure for Two-dimensional Morse-Smale Functions (2003)
H. Edelsbrunner, H. Edelsbrunner, B. Hamann, B. Hamann, ...
We combine topological and geometric methods to construct a multi-resolution data structure for functions over two-dimensional domains. Starting with the Morse-Smale complex, we construct a...
Seed sets and search structures for optimal isocontour extraction (1999)
C. L. Bajaj, V. Pascucci, D. R. Schikore
The search for intersected cells in isocontouring can be accelerated using suitable range query data structures, such as the interval tree or segment tree. The storage overhead of such search...
Seed sets and search structures for optimal isocontour extraction (1999)
C. L. Bajaj, V. Pascucci, D. R. Schikore
The search for intersected cells in isocontouring can be accelerated using suitable range query data structures, such as the interval tree or segment tree. The storage overhead of such search...
Parallel accelerated isocontouring for out-of-core visualization (1999)
C. L. Bajaj, V. Pascucci, D. Thompson, X. Y. Zhang
In this paper we introduce a scheme for static analysis that allows us to partition large geometric datasets at multiple levels of granularity to achieve both load balancing in parallel computations...
Parallel accelerated isocontouring for out-of-core visualization (1999)
C. L. Bajaj, V. Pascucci, D. Thompson, X. Y. Zhang
In this paper we introduce a scheme for static analysis that allows us to partition large geometric datasets at multiple levels of granularity toachieve both load balancing in parallel computations...
Parallel Accelerated Isocontouring for Out-of-Core Visualization (1999)
Bajaj Pascucci Thompson, C. L. Bajaj, V. Pascucci, D. Thompson, X. Y. Zhang
In this paper we introduce a scheme for static analysis that allows us to partition large geometric datasets at multiple levels of granularity to achieve both load balancing in parallel computations...
Visualization of Scalar Topology for Structural Enhancement (1998)
C. L. Bajaj, V. Pascucci, D. R. Schikore
Scalar fields arise in every scientific application. Existing scalar visualization techniques require that the user infer the global scalar structure from what is frequently an insufficient display...
Hypervolume visualization: a challenge in simplicity (1998)
C. L. Bajaj, V. Pascucci, G. Rabbiolo, D. R. Schikore
Hyper-volume visualization is designed to provide simple and fully explanatory images that give comprehensive insights into the global structure of scalar fields of any dimension. The basic idea is...
Error Resilient Streaming of Compressed VRML (1998)
C. Bajaj, S. Cutchin, V. Pascucci, G. Zhuang
We present a Java
Visualization of Scalar Topology for Structural Enhancement (1998)
C. Bajaj, V. Pascucci, D. Schikore
Scalar fields arise in every scientific application. Existing scalar visualization techniques require that the user infer the global scalar structure from what is frequently an insufficient display...
Hypervolume Visualization: A Challenge in Simplicity (1998)
C. Bajaj, V. Pascucci, G. Rabbiolo, D. Schikore
Hyper-volume visualization is designed to provide simple and fully explanatory images that give comprehensive insights into the global structure of scalar fields of any dimension. The basic idea is...
Hypervolume visualization: a challenge in simplicity (1998)
C. Bajaj, V. Pascucci, G. Rabbiolo, D. Schikore
Hyper-volume visualization is designed to provide simple and fully explanatory images that give comprehensive insights into the global structure of scalar elds of any dimension. The basic idea is to...
Building Design Programming with a Functional Language (1995)
: A quite complex example of building design programming is discussed in this paper. In particular we introduce some operators which allow to easily define parametric layout plans, where both single...
Dimension-Independent Convex-Cell Based Hpc Skeletons And Product (1995)
V. Pascucci, V. Ferrucci, A. Paoluzzi
This article is concerned with both the description of the representation scheme and the introduction of two important geometric operators defined within the design language [1, 2] which was...
Product Operator on Cell Complexes (1993)
F. Bernardini, V. Ferrucci, A. Paoluzzi, V. Pascucci
The intersection of extrusions is a useful tool to generate complex pD models starting from two or more m i D (m i p) cell complexes. This operation is particularly useful in the context of...