Line Drawings From 3d Models
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Line Drawings From 3d Models
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Author : Aaron Hertzmann
language : en
Publisher:
Release Date :
Line Drawings From 3d Models written by Aaron Hertzmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on with Computer graphics categories.
This tutorial describes the geometry and algorithms for generating line drawings from 3D models, focusing on occluding contours. The geometry of occluding contours on meshes and on smooth surfaces is described in detail, together with algorithms for extracting contours, computing their visibility, and creating stylized renderings and animations. Exact methods and hardware-accelerated fast methods are both described, and the trade-offs between different methods are discussed. The tutorial brings together and organizes material that, at present, is scattered throughout the literature. It also includes some novel explanations, and implementation tips. A thorough survey of the field of non-photorealistic 3D rendering is also included, covering other kinds of line drawings and artistic shading.
Line Drawings Of 3d Models
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Author : Forrester H. Cole
language : en
Publisher:
Release Date : 2009
Line Drawings Of 3d Models written by Forrester H. Cole and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Line Drawings From 3d Models
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Author : PIERRE. HERTZMANN BENARD (AARON.)
language : en
Publisher:
Release Date : 2019-09-11
Line Drawings From 3d Models written by PIERRE. HERTZMANN BENARD (AARON.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-09-11 with Computers categories.
Drawing is the starting point for many kinds of tasks, for everyone from children making pictures to professional architects sketching ideas. Drawing seems to be fundamentally connected to how we represent the world visually. Most computer graphics focuses on realistic visual simulation, but over the past few decades, line drawing algorithms have matured, providing the ability to automatically create reasonable line drawings from 3D geometry. This tutorial provides a detailed guide to the mathematical theory and computer algorithms for line drawing of 3D objects. It focuses on the curves known as contours as they are the most important curves for line drawing of 3D surfaces. The authors describe the different algorithms required to compute and render these curves, before going on to explain boundary curves and surface-surface intersection curves. The tutorial concludes with other topics in 3D non-photorealistic rendering including: other types of curves, stroke rendering, and non-photorealistic shading. Line Drawings from 3D Models: A Tutorial is a concise, yet comprehensive, introduction to an increasingly important topic in computer graphics. The extensive bibliography is invaluable for readers wishing to further their own research in the area.
First Principles Of Line Drawings
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Author : Caroline Chan
language : en
Publisher:
Release Date : 2021
First Principles Of Line Drawings written by Caroline Chan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021 with categories.
This thesis presents an unsupervised method for creating line drawings from photographs or 3D models. Current methods often rely on high quality paired datasets to automate the creation of line drawings. We observe that line drawings are encodings of scene information that convey 3D shape and semantic meaning. We bake these observations into a set of first principle objectives and train an image translation network to map 3D objects into line drawings. We also explore generation of new styles of line drawings through a novel style confusion loss which averages and combines elements from different styles in a structured manner. User studies and quantitative experiments validate that our method encodes geometry and semantic information into line drawings and improves overall drawing quality.
Interactive Sketch Based Interfaces And Modelling For Design
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Author : Alexandra Bonnici
language : en
Publisher: CRC Press
Release Date : 2023-05-31
Interactive Sketch Based Interfaces And Modelling For Design written by Alexandra Bonnici and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-05-31 with Technology & Engineering categories.
Sketching is a natural and intuitive communication tool used for expressing concepts and ideas that are difficult to communicate through text or speech alone. In design applications, drawings are used at various stages of the design process: from the early concept drawings scribbled on a piece of paper to immersive interactions in which users manipulate and adjust the 3D form of an object in virtual or augmented reality environments. This variety in drawing activities brings about the need for different interpretation strategies that support not only the sketching activity itself, but also allow sketch-based interactions, such as sketch-based queries, to take place. In this book, we explore the different drawing approaches used in design and the algorithms required for processing and interpreting the different sketches and drawings in design. The book is divided into two parts. The first part focuses on sketching in the 2D domain. This includes the digitization of offline and paperbased sketches, techniques for online sketch recognition, observations of user drawing habits, algorithms for inferring depth from 2D drawings, as well as non-photorealistic rendering techniques that are then applied to sketch-based queries. The second part of the book focuses on 3D sketching in virtual or augmented reality spaces. Here, we present the processing and rendering of the 3D strokes, the different interaction devices available for 3D sketching, and look at different applications where immersive 3D sketching has been applied with success.
Inference Of 3d Shape From Line Drawings
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Author : Seha Kim
language : en
Publisher:
Release Date : 2015
Inference Of 3d Shape From Line Drawings written by Seha Kim and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Shapes categories.
Line drawings lack direct 3D depth information, yet human vision easily perceives the 3D shapes from the contours. This dissertation investigates the mechanisms underlying the 3D shape inference from 2D line drawings. Here, four psychophysical experiments and a computational model for the 3D shape inference are discussed. Experiment 1 shows that human responses in depth judgments for line drawings reflect an underlying uncertainty of the perceived 3D shape, which is based on the complex interaction of local and global depth cues propagated from the contours. The computational model estimates the posterior probability of possible 3D surfaces from the contours of a line drawing in a Bayesian framework. The comparison of the model predictions and human depth responses for the line drawings from Experiment 1 demonstrates that the model accounts for the probabilistic 3D shape interpretation of line drawings by human vision. Experiment 2 shows that the reliability of a contour segment in a line drawing as a meaningful depth cue is conditional to the complex global context. Experiments 3 and 4 show that the certainty of depth difference perceptions from partial line drawings increases as more non-local visual cues are available. The experiments and the model offer a new perspective on 3D shape perception from line drawings as an inference based on the probability over possible 3D shapes given the contour cues, providing a broader understanding on the mechanisms of human vision.
Machine Interpretation Of Line Drawing Images
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Author : Sergey Ablameyko
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Machine Interpretation Of Line Drawing Images written by Sergey Ablameyko and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Computers categories.
Line drawing interpretation is a challenging area with enormous practical potential. At present, many companies throughout the world invest large amounts of money and human resource in the input of paper drawings into computers. The technology needed to produce an image of a drawing is widely available, but the transformation of these images into more useful forms is an active field of research and development. Machine Interpretation of Line Drawing Images - describes the theory and practice underlying the computer interpretation of line drawing images and - shows how line drawing interpretation systems can be developed. The authors show how many of the problems can be tackled and provide a thorough overview of the processes underpinning the interpretation of images of line drawings.
Line Drawing Interpretation
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Author : Martin Cooper
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-06-07
Line Drawing Interpretation written by Martin Cooper and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-07 with Computers categories.
Based on the author’s considerable research, this book contains state-of-the-art reviews of work in drawing interpretation and discrete optimization. It covers both drawings of polyhedral objects as well as complex curved objects.
Drawing From The Model
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Author : Frank Melendez
language : en
Publisher: John Wiley & Sons
Release Date : 2019-03-06
Drawing From The Model written by Frank Melendez and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-06 with Architecture categories.
Bridges the gap between traditional and contemporary methods of creating architectural design drawings and 3D models through the use of digital tools and computational processes This book provides readers with an overview of traditional and contemporary architectural representation methods and offers insight into significant developments in computing as they apply to architectural drawing and modeling. It offers readers a look into recent developments in technologies that have impacted architectural design and representation workflows, and focuses on digital design software used in higher education and industry, including Robert McNeel & Associates Rhinoceros® (Rhino 6 for Windows), Grasshopper®, and Adobe Illustrator® CC. The book covers fundamental methods for digital drawing, 3D modeling, and visual programming through descriptions, examples, and tutorial-based instructions specific to the production of digital design drawings and graphics. Drawing from the Model: Fundamentals of Digital Drawing, 3D Modeling, and Visual Programming in Architectural Design presents beginning architectural design students and professionals with a broad overview of drawing and modeling in architectural representation, by addressing historical analog methods based on descriptive geometry and projection and transitioning to contemporary digital methods based on computational processes and emerging technologies. The book focuses on digital tools, techniques, and workflows for the production of design drawings; plans, sections, elevations, axonometrics, and perspectives, utilizing contemporary, cutting-edge 2D drawing and 3D modeling, design software. Additionally, visual programming is introduced to address topics of parametric modeling, algorithmic design, computational simulations, physical computing, and robotics, as methods for exploring architectural design and experimental drawing processes. Sections cover Architectural Representation and Digital Technologies; The 3D Modeling Environment and Geometry; Architectural Design Drawings and Graphics; and Computational Design. It features an appendix filled with 10 design drawing and 3D modeling exercises intended as educational and pedagogical examples for readers to practice and/or teach workflows that are addressed in the book. Acts as an important bridge between analog hand-drawing and digital design drawing techniques, with examples of traditional and contemporary architectural design drawings Provides comprehensive coverage of architectural representation, computing, computer-aided drafting, and 3D modeling tools, techniques, and workflows, for contemporary architectural design drawing aesthetics and graphics Introduces topics of parametric modeling, algorithmic design, computational simulation, physical computing, and robotics through visual programming environments and processes Features tutorial-based instruction using the latest versions of Rhino 6 for Windows, Grasshopper®, Adobe Illustrator® CC, and Arduino Drawing from the Model will serve as an excellent resource for beginning architectural design students in higher education and as a helpful reference for professionals in practice, teaching readers beginning and intermediate digital representation methods for the production of architectural design drawings that reflect contemporary aesthetics and graphics. These drawings are generated using 3D modeling and parametric/algorithmic workflows to create linework that is enhanced with digital drawing and graphic design software. Additional workflows include the use of 3D modeling and visual programming environments to explore fundamental concepts of computational simulations, physical computing, and robotics and introductory methods for addressing these topics.
Modern Graphics Communication
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Author : Frederick E. Giesecke
language : en
Publisher: Peachpit Press
Release Date : 2023-11-02
Modern Graphics Communication written by Frederick E. Giesecke and has been published by Peachpit Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-02 with Computers categories.
This full-color text offers a clear introduction and detailed reference for creating and interpreting technical drawings, whether using 2D CAD or 3D modeling. The important role that 3D CAD databases play in design and documentation is a central emphasis. Superbly integrated illustrations, step-by-step instructions, and navigation features help you master key skills and knowledge. Throughout, the authors demonstrate 3D and 2D drawing skills and CAD usage in the context of real-world practice in today's leading disciplines. They combine strong technical detail, real-world examples, and current standards, materials, industries, and processes—all in a format that is efficient, colorful, and visual. FEATURES SPLASH SPREAD Appealing chapter openers provide context and motivation. REFERENCES AND WEB LINKS Useful web links and standards provided upfront in each chapter. UNDERSTANDING SECTION Foundational introductions, tabbed for easy navigation, outline each topic's importance, use, visualization tips, and theory. DETAIL SECTION Detailed, well-tested explanations of drawing techniques, variations, and examples—organized into quick-read sections, numbered for easy reference. CAD AT WORK SECTION Breakout pages offer tips on generating drawings from 2D or 3D models. PORTFOLIO SECTION AND INDUSTRY CASES Examples of finished drawings and case studies from industry practitioners show how techniques are applied in the real world. KEY WORDS Italicized on first reference, summarized after each chapter. CHAPTER SUMMARIES AND REVIEW QUESTIONS Efficiently reinforce learning. EXERCISES Outstanding problem sets with updated exercises, including parts, assembly drawings from CAD models, and more. WORKSHEETS Worksheets and grids encourage students to practice and develop hand-sketching skills used for communicating and generating design concepts. Printable PDFs may also be downloaded. New to the 6th Edition Updated for current ASME standards Color photos of inspiring applications Updated coverage of 3D printing and rapid prototyping Additional worksheets for developing sketching and visual ability