An alpha channel is a special type of channel that is used to store selections. It enables you to retrieve a saved selection and use it again. You can also copy the selection to another image while the original image is open. The selection can also be edited when the channel in which it is saved is selected in the Channels palette, just as if you were in Quick Mask mode.
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What are alpha channels?
October 26th, 2009What is the Convert Anchor Point tool?
September 24th, 2009The Convert Anchor Point tool
is used to convert a smooth anchor point into a corner point and a corner anchor point into a smooth point. Click on the smooth anchor point to convert it to a corner point. Dragging a corner anchor point converts it to a smooth point.
When to rasterize vector data?
September 23rd, 2009The painting tools or filters are not available for those layers that contain vector data (type layers, shape layers, and vector masks) and generated date (fill layers). For using the commands and tools on these layers, a user has to rasterize the layers. Rasterizing turns these layers into pixel images. Once a layer is rasterized, the user cannot edit its contents as a vector object, nor can he change it back to a vector object.
Click here to get free 9A0-088 Adobe Illustrator CS4 ACE exam practice questions. Get certified in first attempt download 9A0-094 - Adobe Photoshop CS4 ACE simulation.What is the Patch tool?
September 22nd, 2009The Patch tool
is used to repair a selected area of an image with pixels from another area of the image or a pattern. It matches the texture, lighting, transparency, and shading details of the sampled pixels to the source pixels. The Patch tool can also be used to clone a selected area of an image.
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What is metadata?
August 31st, 2009Metadata is a set of information about a file. The information may include format, author name, resolution, color space, copyright, and keywords applied to the file. The metadata can be used to make efficient workflow and organize files.
Click here to download 9A0-054 test study guide and practice question. Download free practice test for Adobe Adobe Photoshop CS4 ACE exam.What is the Vertical scale?
August 12th, 2009Vertical scale adjusts the height of selected letters. The default appearance of font’s height is always 100%, and the Character palette enables you to adjust it from 0% to 1000%. You can adjust the vertical scale by entering a new value for Vertical scale in the Character palette.
Become Adobe Photoshop CS 3 certified. Pass Adobe Photoshop CS4 ACE in first attampt.When to rasterize vector data?
July 30th, 2009The painting tools or filters are not available for those layers that contain vector data (type layers, shape layers, and vector masks) and generated date (fill layers). For using the commands and tools on these layers, a user has to rasterize the layers. Rasterizing turns these layers into pixel images. Once a layer is rasterized, the user cannot edit its contents as a vector object, nor can he change it back to a vector object.
Pass Adobe Illustrator CS4 ACE in first attampt. Click here to download 9A0-094 test study guide and practice question.What is the Patch tool?
July 29th, 2009The Patch tool
is used to repair a selected area of an image with pixels from another area of the image or a pattern. It matches the texture, lighting, transparency, and shading details of the sampled pixels to the source pixels. The Patch tool can also be used to clone a selected area of an image.
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What is the use of the File Info dialog box?
July 11th, 2009The File Info dialog box displays all sorts of useful information about the image files such as camera data, other file properties, an edit history, copyright and authorship information, and custom metadata panels. It allows a user to add metadata directly from it. When a user selects more than one file, the dialog box shows where different values exist for a text field by remarking “Multiple Values”. Any information changed or added to a field is applied to all selected files.
What is the Metadata panel of Adobe Bridge?
July 11th, 2009The Metadata panel of Adobe Bridge displays information about an image currently selected in the Preview pane of Adobe Bridge. It contains information about file size, date of creation, image height and width, resolution, color mode, camera data, and other information.
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