Can't Save Pct Files With Alpha Channels Photoshop For Mac
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Graphics file formats differ in the way they represent image data (as pixels or vectors), and support different compression techniques and Photoshop features. To preserve all Photoshop features (layers, effects, masks, and so on), save a copy of your image in Photoshop format (PSD). Like most file formats, PSD supports files up to 2 GB in size. For files larger than 2 GB, save in Large Document Format (PSB), Photoshop Raw (flattened image only), TIFF (up to 4 GB), or DICOM format. The standard bit depth for images is 8 bits per channel.
Aug 24, 2013 Re: How do I save a PNG file with an alpha channel in Photoshop CS5? Nad33m Aug 22, 2013 1:14 PM ( in response to Becky9284629 ) If you save as a 24bit png with transparent checked photoshop will save the png with transparent background (ie alpha transparency).
Best price fashion for mac air laptop. To achieve greater dynamic range with 16- or 32-bit images, use the following formats. Lossy compression; supported by JPEG, TIFF, PDF, and PostScript language file formats. Recommended for continuous-tone images, such as photographs. JPEG uses lossy compression. To specify image quality, choose an option from the Quality menu, drag the Quality pop‑up slider, or enter a value between 0 and 12 in the Quality text box. For the best printed results, choose maximum-quality compression.
JPEG files can be printed only on Level 2 (or later) PostScript printers and may not separate into individual plates. Photoshop format (PSD) is the default file format and the only format, besides the Large Document Format (PSB), that supports all Photoshop features. Because of the tight integration between Adobe products, other Adobe applications, such as Adobe Illustrator, Adobe InDesign, Adobe Premiere, Adobe After Effects, and Adobe GoLive, can directly import PSD files and preserve many Photoshop features. For more information, see Help for the specific Adobe applications.
When saving a PSD, you can set a preference to maximize file compatibility. This saves a composite version of a layered image in the file so it can be read by other applications, including previous versions of Photoshop.
Photoshop Alpha Channels
It also maintains the appearance of the document, just in case future versions of Photoshop change the behavior of some features. Including the composite also makes the image much faster to load and use in applications other than Photoshop, and may sometimes be required to make the image readable in other applications.
You can save 16-bits-per-channel and high dynamic range (HDR) 32-bits-per-channel images as PSD files. Encapsulated PostScript (EPS) language file format can contain both vector and bitmap graphics and is supported by virtually all graphics, illustration, and page-layout programs. EPS format is used to transfer PostScript artwork between applications. When you open an EPS file containing vector graphics, Photoshop rasterizes the image, converting the vector graphics to pixels. EPS format supports Lab, CMYK, RGB, Indexed Color, Duotone, Grayscale, and Bitmap color modes, and does not support alpha channels. EPS does support clipping paths. Desktop Color Separations (DCS) format, a version of the standard EPS format, lets you save color separations of CMYK images.
How To Save With Alpha Channels
Trade manager pro 1.2.0 for mac os x. You use DCS 2.0 format to export images containing spot channels. To print EPS files, you must use a PostScript printer. Photoshop uses the EPS TIFF and EPS PICT formats to let you open images saved in file formats that create previews but are not supported by Photoshop (such as QuarkXPress). You can edit and use an opened preview image just as any other low-resolution file. An EPS PICT preview is available only in Mac OS. The Photoshop Raw format is a flexible file format for transferring images between applications and computer platforms.