2,169 Hits in 5.1 sec

Level of Detail for Real-Time Volumetric Terrain Rendering [article]

Manuel Scholz, Jan Bender, Carsten Dachsbacher
2013 International Symposium on Vision, Modeling, and Visualization  
In this paper, we present a fast, practical and GPU-friendly level of detail algorithm for large scale volumetric terrain that is specifically designed for real-time rendering applications.  ...  Terrain rendering is an important component of many GIS applications and simulators.  ...  Acknowledgments The work of Manuel Scholz and Jan Bender was supported by the 'Excellence Initiative' of the German Federal and State Governments and the Graduate School CE at TU Darmstadt.  ... 
doi:10.2312/pe.vmv.vmv13.211-218 dblp:conf/vmv/ScholzBD13 fatcat:gqb3wmeoxfclzgo35b2qcq4jr4

A hybrid representation for modeling, interactive editing, and real-time visualization of terrains with volumetric features

Çetin Koca, Uğur Güdükbay
2014 International Journal of Geographical Information Science  
Terrain rendering is a crucial part of many real-time applications. The easiest way to process and visualize terrain data in real time is to constrain the terrain model in several ways.  ...  allow terrain editing, deformations, and rendering in real time.  ...  Note: Terrain editing and walkthrough videos can be viewed from (1) Terrain Editing: (2) Terrain Walkthrough:  ... 
doi:10.1080/13658816.2014.900560 fatcat:rzjhwhgozjgqrjmtohtxjrbgt4

Hierarchical storage and visualization of real-time 3D data

Mitchell Parry, Brendan Hannigan, William Ribarsky, Christopher D. Shaw, Nickolas L. Faust, Glenn O. Allgood, Nickolas L. Faust
2001 Visualization of Temporal and Spatial Data for Civilian and Defense Applications  
A volumetric visualization procedure is developed that conforms to the hierarchical structure and uses the levels of detail.  ...  The volumetric data are placed into this global structure, and it is shown how levels of detail can be derived and used within this structure.  ...  We than discuss our approach for volumetric rendering of the time-dependent data.  ... 
doi:10.1117/12.438126 fatcat:5hcshc7bcfgz3iw4uhpu27otoq

GPU-Based Volume Rendering for 3D Electromagnetic Environment on Virtual Globe

Chao Yang, Lingda Wu
2010 International Journal of Image Graphics and Signal Processing  
We also propose an interactive method to show detailed information of EME at given place. This approach provides excellent decision supporting and plan-aiding for users.  ...  Terrain Model, ITM), which takes into account the effects of irregular terrain and atmosphere, and we use GPU-accelerated method to compute the EME volumetric data.  ...  They showed not only how 3D fluids can be simulated and rendered in real time, but also how they can be seamlessly integrated into real-time applications.  ... 
doi:10.5815/ijigsp.2010.01.07 fatcat:lal72ue3kfhd7e42pqfzoiwzly

Procedural feature generation for volumetric terrains using voxel grammars

Rahul Dey, Jason G. Doig, Christos Gatzidis
2018 Entertainment Computing  
In this article, we introduce a semi-automated method of generating features for volumetric terrains using a rule-based procedural generation system.  ...  Voxel representations of 3D terrains can create rich features that are not found in other forms of terrain generation techniques, such as caves and overhangs.  ...  Brickmaps have been used for raytracing, in both offline renderers [16] and, more recently, real-time rendering [17] .  ... 
doi:10.1016/j.entcom.2018.04.003 fatcat:cvydp6vparc4vhohx5eshjofta

Visual Query of Time-Dependent 3D Weather in a Global Geospatial Environment [chapter]

William Ribarsky, Nickolas Faust, Zachary Wartell, Christopher Shaw, Justin Jang
2002 Mining Spatio-Temporal Information Systems  
A multi-key data organization is developed for handling a continuous stream of large scale, time-dependent, 3D weather data in a global environment.  ...  The structure supports inserting the data in real-time as they arrive or retrieving weather events at desired times and locations from archived weather histories.  ...  In addition this work was supported by the DoD Multidisciplinary University Research Initiative (MURI) program administered by the Office of Naval Research through the Army Research Office under Grant  ... 
doi:10.1007/978-1-4615-1149-6_5 fatcat:xsneq6f35bbkpoazhkx2dwmv2y

Real-time rendering and dynamic updating of 3-d volumetric data

Andrew Miller, Vishal Jain, Joseph L. Mundy
2011 Proceedings of the Fourth Workshop on General Purpose Processing on Graphics Processing Units - GPGPU-4  
for subdividing octrees, real-time rendering of dense volumetric data and segmentation algorithm for minimizing global memory access in GPUs.  ...  This paper proposes a novel OpenCL implementation catering to both GPUs and CPUs for real-time visualizing as well as updating, and dynamic restructuring of dense volumetric models for 3-d terrain.  ...  The polygonal scenes are converted into compact and detailed volumetric data in the form of an octree for real-time visualization.  ... 
doi:10.1145/1964179.1964190 dblp:conf/asplos/MillerJM11 fatcat:h2hdntmo4jb5zhpgzirtiwglxe

Rendering Forest Scenes in Real-Time [article]

Philippe Decaudin, Fabrice Neyret
2004 Symposium on Rendering  
This paper proposes a new representation allowing for the real-time rendering of realistic forests covering an arbitrary terrain.  ...  The representation allows for quality rendering, thanks to appropriate 3D non-linearfiltering. It relies on LODs and on a GPUfriendly structure to achieve real-time performance.  ...  Hughes and Laks Raghupathi for rereading a previous version of this paper, and Adrien Treuille for rereading this version.  ... 
doi:10.2312/egwr/egsr04/093-102 fatcat:xzru2yau2jaejpbkwnrwoerqcm

Real-time weather data on terrain

Christopher D. Shaw, Frank T. Y. Jiang, R. Mitchell Parry, Beth Plale, Anthony A. Wasilewski, William Ribarsky, Nickolas L. Faust, Glenn O. Allgood, Nickolas L. Faust
2001 Visualization of Temporal and Spatial Data for Civilian and Defense Applications  
This paper describes the visualization of 3D Doppler radar with global, high-resolution terrain. This is the first time such data have been displayed together in a real-time environment.  ...  Associated data such as buildings and maps are displayed along with the weather data and the terrain. Requirements for effective 3D visualization for weather forecasting are identified.  ...  Lakshmanan, Tom Vaughan, and their group at the NSSL for supplying 3D Doppler radar data and the WDSS analysis tools.  ... 
doi:10.1117/12.438109 fatcat:7z4t4br42rehba5momu253ooxi

The Implementation of 3D Scene Walkthrough in Air Pollution Visualization

Shigang Wang, Weitao Li
2010 International Journal of Information Engineering and Electronic Business  
We present a practical and novel approach to implement 3D scene walkthrough for air pollution visualization.  ...  This approach includes volume rendering and clipping methods, which are used to visualize large-scale air pollution data.  ...  ACKNOWLEDGMENT Shigang Wang wishes to give thanks to Froemke Quentin from Intel for his explanations and advices on the visualization platform.  ... 
doi:10.5815/ijieeb.2010.01.07 fatcat:ntl2ny7pnbg65f2lctnzrhrn44

Visualization of large ISO-Surfaces based on nested clip-boxes

Sven Forstmann, Jun Ohya
2005 ACM SIGGRAPH 2005 Posters on - SIGGRAPH '05  
iso-surfaces in real-time.  ...  The presented method utilizes a unique continous level-of-detail approach based on nested clipboxes for visualizing the triangular geometry, shown in Figure 1 .  ...  If there is no time left, higher levels of detail have to be skipped. • Memory usage.  ... 
doi:10.1145/1186954.1187098 dblp:conf/siggraph/ForstmannO05 fatcat:znushziji5eu5epy6mgm3v6xpu

Real-time Rendering of Stack-based Terrains [article]

Falko Löffler, Andreas Müller, Heidrun Schumann
2011 International Symposium on Vision, Modeling, and Visualization  
In this paper we present an innovative real-time rendering approach of terrains relying on material stacks.  ...  However, this approach requires expensive rendering and is difficult to realize in real-time.  ...  Related Work Real-time rendering of terrain data needs to address three major aspects: data representation, surface rendering, and level of detail techniques.  ... 
doi:10.2312/pe/vmv/vmv11/161-168 dblp:conf/vmv/LofflerMS11 fatcat:6u6a4gvapnfjbjwbybspvbquwy

Visualization of Features in 3D Terrain

Steve Dübel, Heidrun Schumann
2017 ISPRS International Journal of Geo-Information  
We discuss various design options to facilitate the awareness of global and local features; that is, the coarse spatial distribution of characteristics and the fine-granular details.  ...  In this paper, we address the question of how features in the terrain can be visualized appropriately.  ...  GDEM), a product of the Ministry of Economy, Trade, and Industry (METI) of Japan and the United States National Aeronautics and Space Administration (NASA).  ... 
doi:10.3390/ijgi6110357 fatcat:i3avkhxurvculmc5x4iehd7jka

Guest Editor's Introduction to the Special Section on I3D

Chris Wyman, Cem Yuksel
2019 IEEE Transactions on Visualization and Computer Graphics  
"Real-Time Cloth Rendering with Fiber-level Detail," by Kui Wu and Cem Yuksel, proposes a procedural, GPU-accelerated method for generating and rendering fiber details, plus a corresponding level-ofdetail  ...  Recent research interests include efficient shadows, antialiasing, and participating media, but his interests span the range of real-time rendering problems from lighting to global illumination, materials  ... 
doi:10.1109/tvcg.2018.2877237 fatcat:gm2b5skwinf6jb4fiwtesigyli

Analyzing sampled terrain volumetrically with regard to error and geologic variation

Thomas Butkiewicz, Remco Chang, Zachary Wartell, William Ribarsky, Robert F. Erbacher, Jonathan C. Roberts, Matti T. Gröhn, Katy Börner
2007 Visualization and Data Analysis 2007  
The existing methods for the creation of such models and representations of real-world terrain lack a crucial analytical consideration of factors such as the errors introduced during sampling and geological  ...  We present a volumetric representation of real-world terrain in which the volume encapsulates both sampling errors and geological variations and dynamically changes size based on such errors and variations  ...  This allows calculations on large portions of terrain to be done in parallel, and also facilitates easier storage and level of detail.  ... 
doi:10.1117/12.718019 dblp:conf/vda/ButkiewiczCWR07 fatcat:mvklmfk5cnbyliuyex4qy6juye
« Previous Showing results 1 — 15 out of 2,169 results