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Blender 2.49 Scripting (Anglais) Broché – 29 avril 2010


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Descriptions du produit

Présentation de l'éditeur

If you already know Blender and some Python, this book will help you greatly increase the power and flexibility of this tool. Learn in easy steps how to use scripting to add brand new functions and efficiencies.

Overview

  • Gain control of all aspects of Blender using the powerful Python language
  • Create complex meshes programmatically and apply materials and textures
  • Automate the rendering process and extend Blender's image manipulation capabilities
  • Extend Blender's built-in editor
  • Interact with version control systems and store render results on a FTP server

What you will learn from this book

  • Discover what can be accomplished in Blender with the help of Python
  • Explore built-in modules and add an object to a Blender scene
  • Create configurable mesh objects and modify them
  • Define and enhance vertex group and add modifiers to an object
  • Explore scriptlinks and spacehandlers and perform activities on each frame change in an animation
  • Manipulate IPOs and act on frame changes
  • Build a web server delivering CAPTCHA challenges and archive unreferenced assets
  • Develop custom shaders and slope-dependent materials
  • Animate objects with complex constraints and relations and automate rendering
  • Extend Blender's image manipulation
  • Create simple and effective user interfaces

Approach

The focus of the book is on practical problems and how to solve them in Python. The examples given are useful programs that try to solve real-world needs. Each chapter revolves around a single concept giving several examples gradually growing in difficulty. Each section analyses the problem first before diving into coding and gives extensive background information to enable the reader to generalize from the specific problem to a wider range of challenges. The sample code is provided as fully working examples with all key issues extensively highlighted. All sample programs are clear and concise yet nothing essential is left out and the programming style focuses on readability rather than on stylistic rigor or efficiency.

Who this book is written for

This book is for users comfortable with Blender as a modeling and rendering tool who want to expand their skills to include Blender scripting to automate laborious tasks and achieve results otherwise impossible. Blender experience is essential as is some experience in Python programming.

In Detail

Blender 3D is a popular, open source modeling package that can produce photo-realistic 3D images and animations. Automating tasks and extending the functionality of an extensive application like Blender will streamline your workflow and make the impossible possible. However, implementing scripts may be daunting.

This book takes a practical step-by-step approach to implementing Python scripts that cover almost all areas of Blender. It clearly outlines each problem and focuses on straightforward, easy-to-understand code, highlighting the common pitfalls and Blender idiosyncrasies. It guides you from the installation process and the creation of a simple object to elaborate, fully rigged models with vertex groups and materials all the way to extending Blender's built-in editor. It also teaches how to implement a simple web server inside Blender to serve rendered images. This book will take you from a clear problem description to a fully functional program. The focus is on finding your way in Blender's vast array of possibilities and getting things done without losing too much time on programming details. Each script is carefully explained to provide insight that can be reused in other projects.

This practical book will help you gain control over all the aspects of Blender using the Python programming language

Biographie de l'auteur

Michel J. Anders

Although trained as a chemist and physicist, Michel J Anders has mainly been employed as an IT manager working for Internet providers and IT consultancy firms and is currently working for a software development company focusing on correspondence and document production applications. He has been actively involved in providing advice to Blender scripters on public forums.



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Détails sur le produit


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Couverture | Copyright | Table des matières | Extrait | Quatrième de couverture
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Amazon.com: 7 commentaires
5 internautes sur 5 ont trouvé ce commentaire utile 
Good book but already out-of-date 29 novembre 2010
Par KevB - Publié sur Amazon.com
Format: Broché Achat vérifié
While the book provides valuable information about scripting using the Blender API library under version 2.49 this library is soon to be obsolete. Version 2.55, currently in beta-testing and soon to be released, no longer support the Blender API interface to python and is replaced by the new bpy API. This book is applicable only to the current 2.49 Blender version, and will soon become obsolete with the release of 2.55

A similar reference to scripting under 2.55 using the bpy API would be very useful, but this isn't that reference. So while it may be instructive learning the Blender API from this text it doesn't address the future Blender versions. As difficult as it can be staying current with the latest software this text provides no help achieving that goal. This is particularly disappointing as the bpy API has been available for several releases of blender and even a cursory comparison or review of the alternative API would have gone a long way improving the utility of this text
2 internautes sur 2 ont trouvé ce commentaire utile 
A good book that's long overdue 20 juin 2010
Par 99cents - Publié sur Amazon.com
Format: Broché
This book review turned out to be quite easy. In short, the book is ideal if you want to get up to speed with Python scripting in Blender 2.49.

The lessons are presented in a clear step-by-step fashion with very practical applications. And, the book covers quite a wide range of subjects.

There's really not a whole lot more to say. Take a look at the Table of Contents and the sample chapter to confirm its value. If you're interested in Python scripting in Blender, then I think you'll see that this is a definite must-have resource.

BTW, the book also provides a URL for downloading the code used in the book.

Even though the Python API is changing in Blender 2.5, you'll still be ahead of the game by learning the current API. It will be quite some time before the Python API in Blender 2.5 is as complete as what's available in Blender 2.49.

The author acknowledges the pending 2.5 version of Blender, so hopefully there will be an edition released for Blender 2.5 when that becomes feasible.

There's so much more to Blender when you consider the power of Python scripting in Blender, and this book will get you off to a strong start in the right direction.
3 internautes sur 4 ont trouvé ce commentaire utile 
Very useful book for Blender users 18 juin 2010
Par Virgilio Vasconcelos - Publié sur Amazon.com
Format: Broché
(This original review was first published on my personal Blog at: [...]

I've got recently from Packt Publishing an e-book copy of Blender 2.49 Scripting, by Michael Anders.

For those who don't already know, Blender uses Python as its scripting language. With Python, you can extend Blender capabilities and automate tasks that would be too tedious, difficult or impossible to do by hand.

I'm not an experienced Python coder, although I'm comfortable with some other coding languages (PHP, JavaScript and Bash, for example). I've made some simple things with Python before, and I liked very much the flow of this language, which is way simpler to code.

As my main interest with Blender relies on character rigging and animation, I've run for chapter 4: PyDrivers and Constraints as soon as I got my PDF file. ;)

I've seen other reviews of this book on the net and I have to agree with them: this book is a very useful way of learning the powers of Blender Python scripting. Although it is geared towards the currently stable version (2.49) and we (and also the author) know that Blender 2.5 is coming with a fully reworked and backwards incompatible Python API, this book is very important for everyone interested in learning how to extend Blender. Once you learn how to do it in the current version, it will be a matter of adaptation in order to make the same things in 2.5. The important thing is to understand what and how things can be made through scripting, and this book does it very well.

As I stated before, I've made some simple things in Python and tried some things with it in Blender (notably PyConstraints). One thing that this book served a lot is showing commented examples of how to do things, and I can't stress enough how this is important. When I was trying to get things working in my first attempts with the Blender Python API, the main information I could get was in the official API documentation, which basically explains what each module does. It is very important, but not that helpful for who is starting. The other source of information was searching for scripts on forums and trying to figure out its logic. Not that easy.

This book came to fill this huge gap in the Blender documentation. I was really surprised to know what can be done with Blender and Python: way more than I imagined, like creating a web server to produce CAPTCHA challenges within Blender, or making bar charts from a CSV file. Of course the more "mundane" tasks like 3D mesh manipulation and animation is there too in all its glory.

I must say that this book will fit best the user who already knows Blender and feel comfortable with some coding. It doesn't mean you have to be a hardcore user in order to enjoy it, but someone with very little knowledge in Blender might have a though journey.

It is available in e-book form and regular print, and comes with all the examples in a zipped file.

You can read more about this book and order it on this link[...], which also allows you to download a free (and important) chapter as sample.

I strongly recommend this book for everyone who feels the need for extending what Blender already offers you, and this book is a valuable addition to my library. :)
3 internautes sur 4 ont trouvé ce commentaire utile 
A great time saver. 17 janvier 2011
Par R.Parker - Publié sur Amazon.com
Format: Broché Achat vérifié
I'm only using this book as a blender scripting reference but it has already saved me hours of frustration. No where else have I found a decent explanation of the problems I was having in the use of the import statement or the simple use of the reload() command to solve these problems.
The subject areas I have referenced have only lightly skimmed the scripting details but they have got me started and I can then soon find the relevant detail in the blender python API or else where on the net.
If the author produces a new edition for the expected blender 2.5X API I will be purchasing it too, but I suspect that the Blender 2.49 will be my work horse for some time yet.
2 internautes sur 3 ont trouvé ce commentaire utile 
With all the scripting changes .... 19 décembre 2010
Par Amazon Customer - Publié sur Amazon.com
Format: Broché Achat vérifié
With all the recent scripting changes, I'm kind of in the middle with this book ... it's the best scripting book I have for blender, but if someone was going to learn blender scripting ... maybe waiting a few months and learning scripting on 2.5 might be better. So from a content on 2.49 scripting I'd give it a 5 Star, but from someone learning scripting ... 2.5 seems to be the way to go ... but 2.5 is changing so much ... so should i just do the scripts in 2.49 ... [blender brain loop begins].

When 2.5 stabalizes I will for sure purchase a update of this book(hoping by then the cuda support is done, otherwise ... i'd just script directly to the cuda interface ... but that's such a hassle ... i guess i could script to old school blender [blender brain loop begins].
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