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This fifth edition has been fully updated to cover the many advances made in CAGD and curve and surface theory since 1997, when the fourth edition appeared. Material has been restructured into theory and applications chapters. The theory material has been streamlined using the blossoming approach; the applications material includes least squares techniques in addition to the traditional interpolation methods. In all other respects, it is, thankfully, the same. This means you get the informal, friendly style and unique approach that has made Curves and Surfaces for CAGD: A Practical Guide a true classic.
The book's unified treatment of all significant methods of curve and surface design is heavily focused on the movement from theory to application. The author provides complete C implementations of many of the theories he discusses, ranging from the traditional to the leading-edge. You'll gain a deep, practical understanding of their advantages, disadvantages, and interrelationships, and in the process you'll see why this book has emerged as a proven resource for thousands of other professionals and academics.
* Provides authoritative and accessible information for those working with or developing computer-aided geometric design applications.
* Covers all significant CAGD curve and surface design techniques-from the traditional to the experimental.
* Includes a new chapter on recursive subdivision and triangular meshes.
* Presents topical programming exercises useful to professionals and students alike.
* Offers complete C implementations of many of the book's examples via a companion Web site.
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The first problem is quite bad: anyone who has learned the material before knows that superscript and subscript "comprehension" is required for this subject. Having a text that is full of errors in these (even if you have the errata, without which the text is near useless) erodes the ability to get the geometric intuition necessary to absorb the material.
The second problem is just that the abstractions used are sometimes more complex, and less intuitive, than the orginal form/construct/method being described. I use the blossom notation as an example: it is very useful in showing the relation between bezier and b-spline curves, but it is hardly touched on for that, despite being used constantly throughout the book. Another example: the decription of knot vectors is abstracted nearly beyond utility.
The fourth edition had almost *no* errors in it. It was very, very good. I hope there is a 6th edition that goes where this one should have!
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