'Bsp trees' presentation slideshows

Visibility

Visibility. Aaron Bloomfield CS 445: Introduction to Graphics Fall 2006 (Slide set originally by David Luebke). Overview. Analytic Visibility Algorithms BSPs Warnock's Algorithm Z-Buffer Algorithm Visibility Culling Cells and Portals Occlusion Culling Hierarchical Z-Buffer

1.2k views • 86 slides

Space Partitioning

Space Partitioning. Computer Graphics I. What is Space Partitioning?. A division of 3D space into distinct regions Specifically, a tree data structure is used to divide up the world in a hierarchical manner The tree leaf nodes usually contain pieces (triangles) of the world

726 views • 72 slides

Space Partitioning

Space Partitioning. Computer Graphics. What is Space Partitioning?. A division of 3D space into distinct regions Specifically, a tree data structure is used to divide up the world in a hierarchical manner The tree leaf nodes usually contain pieces (triangles) of the world

927 views • 71 slides

Visibility Culling

Visibility Culling. Markus Hadwiger & Andreas Varga. Basics. Hierarchical Subdivision Hierarchical Bounding Boxes Octrees K-D Trees ( K-Dimensional Space) BSP Trees ( Binary Space Partition ) Potentially Visible Sets (PVS). Hierarchical Bounding Box (HS).

623 views • 61 slides

CS 551 / 645: Introductory Computer Graphics

525 views • 44 slides

CS 445 / 645 Introduction to Computer Graphics

CS 445 / 645 Introduction to Computer Graphics. Lecture 21 Visibility. Recap: Rendering Pipeline. Modeling transformations Viewing transformations Projection transformations Clipping Scan conversion

587 views • 43 slides

Spatial Data Structure: Quadtree, Octree,and BSP tree

Spatial Data Structure: Quadtree, Octree,and BSP tree. Mengxia Zhu Fall 2007. Hierarchical structure. Data usually contains coherent regions of cells with similar properties hierarchical spatial enumeration encode the coherence in the volume data.

696 views • 32 slides

CSC418 Computer Graphics

CSC418 Computer Graphics. Polygon normals Back Faces Visibility Algorithms. Polygon Normal. Triangle normal calculation Polygon normal calculation Polymeshes (vertex normals). Polygon Normal. Triangle normal calculation N=(P2-P1)X(P3-P2). P1. P3. P2. Polygon Normal.

428 views • 25 slides

Real-Time Rendering

Real-Time Rendering. SPEEDING UP RENDERING Lecture 04 Marina Gavrilova. Brief Outline. Culling Hierarchical z-buffering Hierarchical Occlusion Map (HOM) Impostors and Nailboards Hierarchical image caching Level of Detail (LOD) Triangle Stripping. Culling.

427 views • 25 slides

Real-Time Rendering

Real-Time Rendering. SPEEDING UP RENDERING Lecture 04 Marina Gavrilova. Brief Outline. Culling Hierarchical z-buffering Hierarchical Occlusion Map (HOM) Impostors and Nailboards Hierarchical image caching Level of Detail (LOD) Triangle Stripping. Culling.

265 views • 25 slides

BSP Trees

Binary Space Partitioning Trees variants from many papers Eric Etheridge. BSP Trees. Introduction: Space Partitionings. What are space partitionings? Divide space semantically using a data structure Same general goal as bounding-box hierarchies Usually a tree structure

234 views • 22 slides

BSP Trees, Quadtrees & Octrees

BSP Trees, Quadtrees & Octrees. Glenn G. Chappell CHAPPELLG@member.ams.org U. of Alaska Fairbanks CS 481/681 Lecture Notes Wednesday, January 28, 2004. Review: Data Structures for Scenes. We are covering four types of trees for holding scenes: Scene Graphs

396 views • 21 slides

Real-time Graphics for VR

Real-time Graphics for VR. Chapter 23. What is it about?. In this part of the course we will look at how to render images given the constrains of VR: we want realistic models, eg scanned humans, radiosity solution of the environment etc (lots of polygons/textures)

322 views • 18 slides

Modeliranje kompleksnih modelov

Modeliranje kompleksnih modelov. Hierahi?na, drevesna struktura modela. Polygonal Meshes. Used to model solid objects Objects are defined by: List of vertices List of normals Face list. 3. 2. 7. 6. 0. 1. 4. 5. Vertex List. 4. 3. 0. 1. 2. 5. Normal list. 0: Rear Face

137 views • 13 slides

Friday, February 25, 2000 William H. Hsu Department of Computing and Information Sciences, KSU

Lecture 12. Color Theory and Visible Surface Data Structures. Friday, February 25, 2000 William H. Hsu Department of Computing and Information Sciences, KSU http://www.cis.ksu.edu/~bhsu Readings: Chapter 13, Sections 15.1-15.2, Foley et al (Reference) Hearn and Baker 2 e

185 views • 4 slides