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Computer-Generated Imagery (CGI) consists of computer applications for creating images in art, printed media, video games, simulators and computer animation. These images consist of 2 dimensional arrays of pixels (picture elements). When images are computed using a single sample per pixels, they show aliasing artifacts such as stairsteps on feature edges (jaggies). In dynamic scenes, aliasing artifacts are amplified, resulting in edge crawling, line breaking and small features popping in-and out. Aliasing artifacts can be minimized, by applying Anti-Aliasing (AA) techniques, such as Super-Sampling (SSAA). With SSAA, static images are computed at higher resolution, then downscaled with filtering. For real-time (RT) CGI applications like computer games and flight simulators, a similar approach consists of Multi-Sample AA (MSAA), With MSAA, several images are computed for a few sample points, followed by images averaging. The MSAA method can be computation intensive and costly. This book has two versions and this is the expanded or more detailed version.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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