In recent years, we have witnessed an increasing use of sophisticated graphics in designing and manufacturing complex architectural and engineering systems; in modeling, simulating and visualizing complicated physical processes; in generating, highly realistic images and animation; and, in most man-machine interfaces. These trends are made possible by the improvement in performance and the lowering of cost of hardware since the mid 1970s, and the continuing advances in many areas of computer graphics. The major advances in computer graphics include: greater sophistication and realism of image…mehr
In recent years, we have witnessed an increasing use of sophisticated graphics in designing and manufacturing complex architectural and engineering systems; in modeling, simulating and visualizing complicated physical processes; in generating, highly realistic images and animation; and, in most man-machine interfaces. These trends are made possible by the improvement in performance and the lowering of cost of hardware since the mid 1970s, and the continuing advances in many areas of computer graphics. The major advances in computer graphics include: greater sophistication and realism of image generation techniques, improved man-machine interaction techniques, superior geometric modeling techniques for the representation and modeling of complex physical and mathematical objects, sophisticated software systems for animation and modeling of incorporating latest AI and software engineering techniques, greater integration of CAD and CAM in CIM, and techniques to represent and visualize complicated physical processes. These advances are reflected in this present volume either as papers dealing with one particular aspect of research, or as multifaceted studies involving several different areas.
1: Invited and Keynote Papers.- Dynamic Analysis-Based Human Animation.- New Trends in the Direction of Synthetic Actors.- Computer Graphics and Design Automation: Continued Synergy or a Parting of Ways?.- Virtual Reality User Interface: Tools and Techniques.- 2: Modeling and Realism.- A Simple Model of Flames.- Optical Models.- A Wrinkle Propagation Model for Cloth.- Highly Realistic Visual Simulation of Outdoor Scenes Under Various Atmospheric Conditions.- Julia Sets of z ? z? + c.- 3: Rendering.- A New Front to Back Composition Technique for Volume Rendering.- Parameter-Controlled Hair Rendering in Backlight.- A Simple Rendering for Penumbra Caused by Sunlight.- Naive Halftoning.- 4: Algorithms.- Attribute-Grammar Based Approach to Vector Extraction from a Raster Image.- Virtual Camera Oversampling: A New Parallel Anti-Aliasing Method for Z-Buffer Algorithms.- Algorithms for Clipping Quadratic Arcs.- On the Generation of Points Lying on Origin-Centered Conics.- ZigPocket: On the Computational Geometry of Zigzag Pocket Machining.- 5: Object-Oriented Graphics.- A Frame-Based 3D Graphics System for Kinematic Animation with Constraints.- An Object-Oriented Methodology Using Dynamic Variables for Animation and Scientific Visualization.- 6: Visual Languages and Visualization.- Graphical Support for Programming: A Survey and Taxonomy.- A System for Interactive Graphical Modeling with Three-Dimensional Constraints.- Visualization of Abstract Concepts Using Generalized Path Binding.- Field Visualization by Interactive Computer Graphics.- 7: Computational Geometry.- An Efficient Data Structure for Three-Dimensional Triangulations.- An Output-Complexity-Sensitive Polygon Triangulation Algorithm.- 8: Ray Tracing and Radiosity.- Ray-Tracing Soft Objects.- An Adapted Solutinof Progressive Radiosity and Ray-Tracing Methods for Non-Diffuse Environments.- 9: Curves and Surfaces.- High-Quality Rendering of Parametric Surfaces by Using a Robust Scanline Algorithm.- Design and Display of an Analytical Surface Composed of Super- and Para-Ellipses.- Basis Functions for Rational Continuity.- A Method to Convert a Gregory Patch and a Rational Boundary Gregory Patch to a Rational Bézier Patch and Its Applications.- An Enhanced Rounding Operation Between Curved Surfaces in Solid Modeling.- Conference Organization Committee.- List of Sponsors.- List of Technical Reviewers.- List of Contributors.- Author Index.- Keyword Index.
1: Invited and Keynote Papers.- Dynamic Analysis-Based Human Animation.- New Trends in the Direction of Synthetic Actors.- Computer Graphics and Design Automation: Continued Synergy or a Parting of Ways?.- Virtual Reality User Interface: Tools and Techniques.- 2: Modeling and Realism.- A Simple Model of Flames.- Optical Models.- A Wrinkle Propagation Model for Cloth.- Highly Realistic Visual Simulation of Outdoor Scenes Under Various Atmospheric Conditions.- Julia Sets of z ? z? + c.- 3: Rendering.- A New Front to Back Composition Technique for Volume Rendering.- Parameter-Controlled Hair Rendering in Backlight.- A Simple Rendering for Penumbra Caused by Sunlight.- Naive Halftoning.- 4: Algorithms.- Attribute-Grammar Based Approach to Vector Extraction from a Raster Image.- Virtual Camera Oversampling: A New Parallel Anti-Aliasing Method for Z-Buffer Algorithms.- Algorithms for Clipping Quadratic Arcs.- On the Generation of Points Lying on Origin-Centered Conics.- ZigPocket: On the Computational Geometry of Zigzag Pocket Machining.- 5: Object-Oriented Graphics.- A Frame-Based 3D Graphics System for Kinematic Animation with Constraints.- An Object-Oriented Methodology Using Dynamic Variables for Animation and Scientific Visualization.- 6: Visual Languages and Visualization.- Graphical Support for Programming: A Survey and Taxonomy.- A System for Interactive Graphical Modeling with Three-Dimensional Constraints.- Visualization of Abstract Concepts Using Generalized Path Binding.- Field Visualization by Interactive Computer Graphics.- 7: Computational Geometry.- An Efficient Data Structure for Three-Dimensional Triangulations.- An Output-Complexity-Sensitive Polygon Triangulation Algorithm.- 8: Ray Tracing and Radiosity.- Ray-Tracing Soft Objects.- An Adapted Solutinof Progressive Radiosity and Ray-Tracing Methods for Non-Diffuse Environments.- 9: Curves and Surfaces.- High-Quality Rendering of Parametric Surfaces by Using a Robust Scanline Algorithm.- Design and Display of an Analytical Surface Composed of Super- and Para-Ellipses.- Basis Functions for Rational Continuity.- A Method to Convert a Gregory Patch and a Rational Boundary Gregory Patch to a Rational Bézier Patch and Its Applications.- An Enhanced Rounding Operation Between Curved Surfaces in Solid Modeling.- Conference Organization Committee.- List of Sponsors.- List of Technical Reviewers.- List of Contributors.- Author Index.- Keyword Index.
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