Adobe Photoshop CS4 Extended software delivers all of the unrivaled image-editing power of Photoshop CS4 plus much more, including breakthrough 3D painting and editing, rich motion graphics editing, and enhanced image analysis. Photoshop CS4 Extended is ideal for:
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Cross-media creative professionals who create and edit imagery to be used across a variety of media
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Educators who prepare students for careers in photography, architecture, medicine, and other fields
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Video professionals who design and edit digital images for storyboarding, previsualization, frame editing, matte painting, animating 3D objects, compositing, and title design
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Manufacturing and design engineers who develop product concepts, create specifications, and design 2D and 3D prototypes by visualizing their ideas and collaborating with designers, fabricators, and regulators
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Architects, engineers, and construction professionals who create structural drawings and edit 3D textures to communicate complex and technical ideas to clients, regulators, and colleagues
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Scientific, healthcare, and medical professionals who need to visualize their theories and present their findings, as well as analyze images and measure information without altering the original image data
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Photoshop CS4 Extended for Microsoft® Windows Vista® runs 64-bit native.
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In early testing of 64-bit support in Photoshop Extended for Windows®, overall performance gains ranged from 8% to 12%. Those who work with extremely large files may realize noticeably greater gains in performance, in some cases as dramatic as ten times the previous speed. This is because 64-bit applications can address larger amounts of memory and thus result in less file swapping — one of the biggest factors that can affect data processing speed.
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The Mac OS 64-bit version is planned for a future release as a result of a change to Apple's platform strategy, which now requires a migration from Apple's Carbon technology to its Cocoa technology in order for an application to run 64-bit native. Before 64-bit support can be added on Mac OS, significant parts of Photoshop Extended and its plug-ins must first be ported from Carbon to Cocoa. The Photoshop team began working on porting Photoshop Extended to Cocoa as soon as Apple announced 64-bit support in Carbon was no longer part of its plans.
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Until June 2007, Apple planned to enable Carbon-based applications to run 64-bit native. Moving to Cocoa is a significant task, so the engineering focus has been on user-visible features rather than switching to Cocoa. Now that Apple has shifted its strategy to make Cocoa a requirement for 64-bit support, Adobe has adjusted plans accordingly.
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Lightroom software was initially written using Cocoa technology, so no porting from Carbon is necessary.
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Adobe is always working to enhance product performance, and 64-bit support is only one way to get there. Investments in a variety of foundational improvements —for example, greater use of graphics processors — will improve Photoshop Extended performance for all users. A number of workflow improvements will also help boost your day-to-day productivity.
Photoshop CS4 Extended - 64bit software