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Topology-driven streamline seeding for 2D vector field visualization
2009
2009 IEEE International Conference on Systems, Man and Cybernetics
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Keywords-streamline placement, seeding strategy, boundary extending of vector field, vector field topology, virtual control grid, vector field visualization I. ...
Initial streamlines segment the field into topological areas. Additional streamlines are then seeded at the center of topological areas in a recursive way, until there is no any valid empty area. ...
To achieve effective placement, several streamline seeding methods have been developed, such as the image-guided [1] , flow-guided [2] , similarity-guided [3] , and so on [4] [5] [6] [7] [8] . ...
doi:10.1109/icsmc.2009.5346286
dblp:conf/smc/ZhangD09
fatcat:olgnanm3dfaajhfjjit6gfzh5u
Interactive view-driven evenly spaced streamline placement
2008
Visualization and Data Analysis 2008
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An inter-frame physical-space seeding strategy based on streamline reuse+lengthening is adopted, on top of intra-frame view-space seeding, to not only enable coherent flow navigation but also speedup placement ...
Our algorithm can run at interactive frame rates (9FPS for placement generation) to allow for 3D exploration of surface flows with smooth evolution of high-density (1%) evenly spaced streamlines in a large ...
Verma et al. proposed a flow-guided priority seeding strategy 13 to emphasize flow topology in a placement. ...
doi:10.1117/12.765736
dblp:conf/vda/LiuM08
fatcat:xs5dvgbelvhlfhskaqivnz6piy
A Stream Ribbon Seeding Strategy
[article]
2017
Eurographics Conference on Visualization
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The strategy exploits the flow's local helicity, an important property of flow identified over 40 years ago, to guide ribbon seeding. Seed points are prioritised based on a derived helicity field. ...
Presented in this short paper is a novel strategy for seeding stream ribbons in vector fields. ...
Knowledge Economy Skills Scholarships (KESS) is a pan-Wales higher level skills initiative led by Bangor University on behalf of the HE sector in Wales. ...
doi:10.2312/eurovisshort.20171135
dblp:conf/vissym/ReesLNZCYZ17
fatcat:h2xiwwyjsfdzxfnp2xasdnwj2q
Robust Loop Detection for Interactively Placing Evenly Placed Streamlines
2007
Computing in science & engineering (Print)
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They mainly differ from one another in the greedy seeding strategy that drives the placement process until a dynamic queue of candidate seeds is empty, and in the data structure they use to store streamline ...
A naïve loop-detection strategy based on seed-based distance checking might not detect the ill-looping part (as in (b)).
Figure 3 . 3 Our loop-detection strategy. ...
doi:10.1109/mcse.2007.82
fatcat:br2tgvxqtffj3ipesy6wrl33ua
Streamline Uniform Placement Algorithm with Dynamic Seed Points
2019
IEEE Access
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In this paper, a dynamic seed placement algorithm based on critical points and grid points is proposed. ...
As a result, there are almost no short streamlines. ...
Verma [25] proposed a flow-guided method which uses different initial point layout strategies for different flow patterns, and adjusts the streamline position and length appropriately. ...
doi:10.1109/access.2019.2935461
fatcat:354uuufhxzbmzkklsqzfvrxzly
Topology-Aware Evenly Spaced Streamline Placement
2010
IEEE Transactions on Visualization and Computer Graphics
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In each region, a seeding path is selected from a set of streamlines integrated in the orthogonal flow field. ...
The uniform sample points on this path are then used as seeds to generate streamlines in the original flow field. Additional seeds are placed where a large gap between adjacent streamlines occurs. ...
ACKNOWLEDGEMENTS This work was supported in part by the Northern Gulf Institute, a NOAA Cooperative Institute. ...
doi:10.1109/tvcg.2009.206
pmid:20616394
fatcat:iv4mkscp4bc3viscyhcsgivnc4
Parallel Streamline Placement for 2D Flow Fields
2013
IEEE Transactions on Visualization and Computer Graphics
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With the help of these cell-based models, a heuristic seeding strategy is proposed to seed streamlines within irregular LTAs, and a cell-marking technique is used to control the seeding and tracing of ...
Parallel streamline placement is still an open problem in flow visualization. In this paper, we propose an innovative method to place streamlines in parallel for 2D flow fields. ...
Many streamline placement methods have been developed, for example, the image-guided placement [1] , the neighborhood seeding method [3] , the farthest point seeding method [6] , the flow-guided seeding ...
doi:10.1109/tvcg.2012.169
pmid:22889829
fatcat:sahcf7grqngbldtkpzdc6eorxu
Similarity-Guided Streamline Placement with Error Evaluation
2007
IEEE Transactions on Visualization and Computer Graphics
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We define a metric for local similarity among streamlines and use this metric to grow streamlines from a dense set of candidate seed points. ...
We take a new approach to adaptive streamline placement for steady vector fields in 2D and 3D. ...
We would also like to thank Abdelkrim Mebarki for sharing his streamline placement package on line as well as some 2D vector field data. This work was supported in part by NSF ITR Grant AST-0313031. ...
doi:10.1109/tvcg.2007.70595
pmid:17968096
fatcat:vkzsapz5wzejrkhrowobsf77lm
Hierarchical Streamline Bundles
2012
IEEE Transactions on Visualization and Computer Graphics
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By placing seeds and generating streamlines according to flow saliency, we produce a set of streamlines that captures important flow features near critical points without enforcing the dense seeding condition ...
Not only does the number of streamlines placed matter, their spatial relationships also play a key role in understanding the flow field. ...
In our work, we trace streamlines by taking a saliency-guided seeding strategy that favors regions near critical points to capture important flow features. ...
doi:10.1109/tvcg.2011.155
pmid:21931177
fatcat:uuni6vbhjfbpnor2z32lrawspe
An Advanced Evenly-Spaced Streamline Placement Algorithm
2006
IEEE Transactions on Visualization and Computer Graphics
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Furthermore, we propose a universal, effective, fast, and robust loop detection strategy to address closed and spiraling streamlines. ...
Double queues are used to prioritize topological seeding and to favor long streamlines to minimize discontinuities. ...
[15] presented a flow-guided seeding strategy by which topological templates are designed to choose seeds around critical points before Poisson-disk distribution is used to place additional seeds elsewhere ...
doi:10.1109/tvcg.2006.116
pmid:17080823
fatcat:ajbbueokwvh2lbcvnyozmzcu4i
Gaze-directed streamline seeding
2004
Proceedings of the 1st Symposium on Applied perception in graphics and visualization - APGV '04
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Verma at el proposed a seeding strategy further aims to capture flow patterns in the vicinity of critical points by using well designed seeding template at those areas [Verma et al. 2002] . ...
Based on such consideration, we propose a new streamline seeding technique based on eye-tracking data. ...
doi:10.1145/1012551.1012592
dblp:conf/apgv/WatanabeMOI04
fatcat:3tdbehhlhfailml433fw3vymuq
Geometric flow visualization techniques for CFD simulation data
2005
Proceedings of the 21st spring conference on Computer graphics - SCCG '05
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We present a collection of geometric flow visualization techniques that address these challenges including oriented streamlines, streamlets, and a streamrunner tool. ...
Two novel approaches are included: a real-time animated streamline technique and streamcomets. ...
A special thanks goes to Helmut Doleisch of VRVis for his valuable feedback. All CFD simulation data is courtesy of AVL. ...
doi:10.1145/1090122.1090158
dblp:conf/sccg/LarameeH05
fatcat:benoaafdp5dytgs6nob6uo4z3a
Over Two Decades of Integration-Based, Geometric Flow Visualization
2010
Computer graphics forum (Print)
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In this survey, we review and classify geometric flow visualization literature according to the most important challenges when considering such a visualization, a central theme being the seeding object ...
It also serves as a concise introduction to the field of flow visualization research. ...
Acknowledgements This work was funded in part by EPSRC Research Grant EP/F002335/1 on the project Interactive, High-Dimensional Flow Visualization Using Image Space-Based Approaches. ...
doi:10.1111/j.1467-8659.2010.01650.x
fatcat:y6qscqi6ljchhfolbixdjlimia
Over Two Decades of Integration-Based, Geometric Flow Visualization
[article]
2009
Eurographics State of the Art Reports
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In this survey, we review and classify geometric flow visualization literature according to the most important challenges when considering such a visualization, a central theme being the seeding object ...
It also serves as a concise introduction to the field of flow visualization research. ...
Acknowledgements This work was funded in part by EPSRC Research Grant EP/F002335/1 on the project Interactive, High-Dimensional Flow Visualization Using Image Space-Based Approaches. ...
doi:10.2312/egst.20091062
fatcat:2ygsrwxepfds7nkh2duouhm3y4
Coherent view-dependent streamline selection for importance-driven flow visualization
2013
Visualization and Data Analysis 2013
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Given a large number of randomly or uniformly seeded and traced streamlines and sample viewpoints, our approach evaluates, for each streamline, the view-dependent importance by considering the amount of ...
We demonstrate the effectiveness of our approach with several synthesized and simulated flow fields and compare our view-dependent streamline selection algorithm with a naïve algorithm that selects streamlines ...
There exist several effective seeding strategies for 2D and 3D vector fields including image-guided 4-6 and flow-guided 7, 8 algorithms. ...
doi:10.1117/12.2001887
dblp:conf/vda/MaWS13
fatcat:pu6ysbzisjfbhhcyp5kl2ks34i
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