Advanced AutoCAD 2021: A Problem-Solving Approach, 3D and Advanced, 25th Edition
eBook - ePub

Advanced AutoCAD 2021: A Problem-Solving Approach, 3D and Advanced, 25th Edition

Prof. Sham Tickoo

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eBook - ePub

Advanced AutoCAD 2021: A Problem-Solving Approach, 3D and Advanced, 25th Edition

Prof. Sham Tickoo

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About This Book

The Advanced AutoCAD 2021: A Problem Solving Approach, 3D and Advanced book contains detailed explanation of AutoCAD commands and their applications to solve design problems. Every AutoCAD command is thoroughly explained with the help of examples and illustrations. This makes it easy for the users to understand the functions and applications of the tools and commands. After reading this book, you will be able to create 3D objects, apply materials to objects, generate drafting views of a model, create surface or mesh objects, and render and animate designs, and understand 3D Printing.
This book covers designing concepts in detail as well as provides elaborative description of technical drawing in AutoCAD including orthographic projections, dimensioning principles, sectioning, auxiliary views, and assembly drawings. While going through this book, you will discover some new unique applications of AutoCAD that will have a significant effect on your drawings and designs. The book also covers the 3D printing tools introduced in AutoCAD.

Salient Features of this Book are:

  • Comprehensive textbook with chapters that are organized in a pedagogical sequence.
  • Detailed explanation of all commands and tools.
  • Tutorial approach to explain the concepts.
  • Summarized content on the first page of the topics that are covered in the chapter.
  • Step-by-step instructions to guide the users through the learning process.
  • Real-world mechanical engineering designs as tutorials and projects.
  • Additional information throughout the book in the form of notes and tips.
  • Self-Evaluation Tests and Review Questions at the end of the chapters to help the users assess their knowledge.

Table of Contents

Chapter 1: The User Coordinate System
Chapter 2: Getting Started with 3D
Chapter 3: Creating Solid Models
Chapter 4: Editing 3D Objects-I
Chapter 5: Editing 3D Objects-II
Chapter 6: Surface Modeling
Chapter 7: Mesh Modeling
Chapter 8: Rendering and Animating Designs
Chapter 9: AutoCAD on Internet and 3D Printing
Chapter 10: Script Files and Slide Shows
Chapter 11: Creating Linetypes and Hatch Patterns
Chapter 12: Customizing the acad.pgp File
Chapter 13: Conventional Dimensioning and Projection Theory Using AutoCAD
Chapter 14: Isometric Drawings
Index

Free Teaching and Learning Resources:

CADCIM Technologies provides the following free teaching and learning resources with this book:

  • Technical support by contacting [email protected]
  • Part files used in tutorials, exercises*, and illustrations
  • Instructor Guide with solution to all review questions and instructions to create the models for exercises*
  • Additional learning resources at https://allaboutcadcam.blogspot.com
  • (*For Faculty only)

About the Authors:

CADCIM Technologies, Prof. Sham Tickoo of Purdue University Northwest, and the team of dedicated contributing authors at CADCIM Technologies are committed to bring you the best textbooks, eBooks, and free teaching and learning resources on Computer-Aided Design and Manufacturing (CAD/CAM), Computer Programming and Applications, GIS, Civil, Animation and Visual Effects, and related technologies. We strive to be the first and the best. That is our promise and our goal.
Our team of authors consists of highly qualified and experienced animation and visual effects artists who have a strong academic and industrial background. They understand the needs of the students, the faculty, and the challenges the students face when they start working in the industry.

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Chapter 8
Rendering and Animating Designs

Learning Objectives
After completing this chapter, you will be able to:
ā€¢ Render objects
ā€¢ Browse and manage material libraries
ā€¢ Assign materials to the drawing objects
ā€¢ Create new materials as well as edit existing materials
ā€¢ Map materials on objects
ā€¢ Convert old materials into new materials
ā€¢ Insert and modify light sources
ā€¢ Convert old lights into new lights
ā€¢ Select rendering types and render objects
ā€¢ Define and modify rendering settings
ā€¢ Replay and print renderings
ā€¢ Define and apply background
ā€¢ Save the rendering objects
ā€¢ Configure, load, and unload AutoCAD Render
ā€¢ Work with cameras
ā€¢ Create animations
Key terms
ā€¢ Materials Browser
ā€¢ Libraries
ā€¢ Attach By Layer
ā€¢ Materials Editor
ā€¢ RENDER
ā€¢ Material types
ā€¢ Material properties
ā€¢ Material Mapping
ā€¢ Texture Editor
ā€¢ Default Light
ā€¢ Point Light
ā€¢ Spot Light
ā€¢ Distant Light
ā€¢ Web Light
ā€¢ Sun Light
ā€¢ Set Location
ā€¢ Render Presets
ā€¢ History pane
ā€¢ Shade plot
ā€¢ CAMERA
ā€¢ Set Camera View
ā€¢ Animation Settings
ā€¢ Motion Path

Understanding the Concept of Rendering
A rendered image makes it easier to visualize the shape and size of a 3D object as compared to a wireframe image or a shaded image. A rendered object also makes it easier to express your design ideas to other people. For example, to make a presentation of your project or design, you do not need to build a prototype. You can use a rendered image to explain your design more clearly because you have a complete control over the shape, size, color, surface material, and lighting of the rendered image.
Additionally, any required changes can be incorporated into the object, and it can be rendered to check or demonstrate the effect of these changes. Thus, rendering is a very effective tool for communicating ideas and demonstrating the shape of an object.
Generally, the process of adding a realistic effect to models (rendering) can be divided into the following four steps:
1. Selecting the material to be assigned to the design.
2. Assigning materials and textures to the design.
3. Applying additional effects to the model by assigning lights at different locations.
4. Using the Render tool to render the objects.

Assigning Materials
After creating a model, you need to assign various types of materials to the objects in it to give it a realistic appearance. These materials create three types of effects. These effects are discussed next.
In the first type of material effect, the object is rendered without actually displaying the effect of the material ...

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