TAILIEUCHUNG - Photoshop cs5 by steve Johnson part 43

Sử dụng Panel Path Adobe Photoshop không thể xử lý thông tin raster (điểm ảnh), nó cũng có thể làm việc với thông tin vector (đường dẫn). Photoshop cửa hàng raster thông tin trong bảng Layers, và vector lưu trữ thông tin trong bảng Paths. Khi bạn sử dụng bản vẽ vector của Photoshop, hoặc các công cụ Pen, Photoshop sẽ tạo ra một đường dẫn trong bảng điều khiển đường dẫn để lưu trữ thông tin đó. | Using the Paths Panel 11 Introduction Adobe Photoshop can not handle raster information pixels it can also work with vector information paths . Photoshop stores raster information in the Layers panel and stores vector information in the Paths panel. When you use Photoshop s vector drawing or pen tools Photoshop creates a path in the Paths panel to store that information. In addition it is possible to create a selection with Photoshop s traditional selection tools and convert that selection into a path. Paths are defined mathematically using anchor points and segments. Once created they can be precisely modified to fit any design situation. In many ways paths serve a function similar to channel masks they can define selections but because they re vector and not raster they are much more precise. When paths are saved they take up far less room than channels. Working with the various Pen tools it s possible to create precise paths and even create complicated selections around virtually any shape. Once the path is created it s a simple matter to subtract anchor points and add new or modify existing anchor points to produce complex paths. It s even possible to convert straight segments the visible line that connects two anchor points together into elegantly curved segments or you can remove the curve from a segment with a single click of the Convert Point tool. Paths can be used to precisely guide a brush stroke or the interior of a path can be filled with any color pattern or gradient available in Photoshop using the Stroke and Fill Commands. Paths can even be used to create a clipping path around an image. When moving an image into a layout program such as Adobe InDesign a clipping path lets you define certain areas of an image as transparent. In addition you can create paths in Photoshop then export and open them in Adobe Illustrator. Photoshop paths give you precise mathematical control over the creation of complex shapes selections and even transparency. What You .

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