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An open source project backed by years of continual development, ImageMagick supports over 90 image formats and can perform impressive operations such as creating images from scratch, changing colors, stretching, rotating, and overlaying images, and overlaying text on images. Whether you use ImageMagick to manage the family photos or to embark on a job involving millions of images, this book will provide you with the knowledge to manage your images with ease.The Definitive Guide to ImageMagick explains all of these capabilities and more in a practical, learn-by-example fashion. You’ll get comfortable using ImageMagick for any image-processing task. Through the books coverage of the ImageMagick interfaces for C, Perl, PHP, and Ruby, you’ll learn how to incorporate ImageMagick features into a variety of applications.

Organizing websites is highly dynamic and often chaotic. Thus, it is crucial that host web servers manipulate URLs in order to cope with temporarily or permanently relocated resources, prevent attacks by automated worms, and control resource access.The Apache mod_rewrite module has long inspired fits of joy because it offers an unparalleled toolset for manipulating URLs. The Definitive Guide to Apache mod_rewrite guides you through configuration and use of the module for a variety of purposes, including basic and conditional rewrites, access control, virtual host maintenance, and proxies.This book was authored by Rich Bowen, noted Apache expert and Apache Software Foundation member, and draws on his years of experience administering, and regular speaking and writing about, the Apache server.

Notes on Style I admit I was a programmer before I started building robots. So my perspective may be so- what skewed in the direction of a programmer. However, I also didn't want this book to be from a purely software engineering perspective. I wanted to keep the text balanced between robotics and programming and not get too cute with either discipline, though from time to time I'm afraid I may have indulged myself. Who Should Read This Book If you want off-the-shelf robot components, free software, and development tools, this is the book for you. You can download all the software-it's GPL (General Public License) or Apache License-and you can purchase the components from your favorite robot supplier and/or hobby shop. The following sections outline the experience you should have to get the most out of the book. Your Programming/Java Experience I could say that you should have a good understanding of object-oriented techniques and Java before getting started with this book, but if you're like most roboticists, you'll likely learn as you go, and by following the various examples I've included within these pages.