David Bachman

       Industrial Press, Inc.

      32 Haviland Street, Suite 3

      South Norwalk, CT 06854

      Phone: 203-956-5593

      Toll-Free in USA: 888-528-7852

      Fax: 203-354-9391

      Email: [email protected]

      Author: David Bachman

      Title: Grasshopper: Visual Scripting for Rhinoceros 3D, First Edition

      Library of Congress Control Number: 2017932152

      ©2017 by Industrial Press, Inc.

      All rights reserved. Published 2017.

      Printed in the United States of America.

      ISBN (print): 978-0-8311-3611-6

      ISBN (ePDF): 978-0-8311-9443-7

      ISBN (ePUB): 978-0-8311-9444-4

      ISBN (eMobi): 978-0-8311-9445-1

      Editorial Director: Judy Bass

      Managing Editor: Laura Brengelman

      Cover Designer: Janet Romano

      No part of this book may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or by any information storage and retrieval system, without written permission from the publisher.

       Limits of Liability and Disclaimer of Warranty

      The author and publisher make no warranty of any kind, expressed or implied, with regard to the documentation contained in this book.

      Rhinoceros 3D and Grasshopper 3D are registered trademarks of Robert McNeel & Associates ©2017. All rights reserved.

       industrialpress.com

       ebooks.industrialpress.com

       For Deborah and Judith

      Contents

Introduction

Part 1. Learning Grasshopper

Chapter 1. Getting Started

The Cylinder Component

Extruding a Circle

Lofting Two Circles

Piping a Line Segment

Revolving a Line Segment

Chapter 2. Lists

A Simple List

Data Trees: Lists of Lists

A Useful Trick: Flipping Data Trees

Chapter 3. Adding More Interactivity

Dials and Sliders

The Graph Mapper Component

Direct Interaction with Rhino Geometry

Chapter 4. Curves and Surfaces

Curve Parameters

Surface Parameters

Variable Offset Surfaces

Chapter 5. Surface Transformations

Mapping Curves to Surfaces

Mapping Geometry to Surfaces

Paneling with Surface Morph

Chapter 6. More List Manipulations

The Weave and Dispatch Components

Conditional List Processing

Simple Recursion with the Shift List Component

       List Comparisons with the Cross Reference Component

       Chapter 7. Meshes

       Deconstructing Meshes

       Creating Meshes from Scratch

       Modifying Existing Meshes

       Part 2. Case Studies

       Seashells

       A Striped Torus

       A Faceted Cylinder

       Creating Custom Bevels

       Part 3. Component Reference

       Params Tab

       Input Panel

       Util Panel

       Maths Tab

       Domain Panel