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PhotoShop CS6 Chapter 6
masks, channels, refining masks, quick masks, puppet warp
25
Art/Design
12th Grade
01/29/2014

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Term
Photoshop Mask
Definition
The isolate and protect part of an image. When you create a mask based on a selection, the area that you haven't selected is masked or protected from editing.
Term
Channels
Definition
They store an images color information. Unlike layers channels do not print. You use channels to view and work with alpha channels.
Term
Key concept in masking:
Definition
Black hides and white reveals
Term
Working version
Definition
saving a working version of the file lets you return to the original if you need to.
Term
Zoom Inn shortcut
Definition
Press Ctrl+spacebar (windows) or Command+spacebar (Mac OS) to temporarily use the zoom inn tool. When your done release the tool to go back to whatever tool you were using.
Term
Zoom out shortcut
Definition
Press the Atl+spacebar (windows) or Option+spacebar (Mac OS) to temporarily use the zoom out tool. When your done release the tool to go back to whatever tool you were using.
Term
Black backround
Definition
You can find it in the view mode area of the dialog box, click the arrow next to the preview window. choose on black on the pop-up menu. The black the background can make it easier to see any white edges you may have missed on the selection.
Term
Mask are nondestructive
Definition
This means that you can edit the mask later without loosing any pixels that they hide.
Term
Turning off the mask
Definition
Choose Layer>Layer Mask>Disable. A red X appears over the mask thumbnail in the layer mask when the mask is disabled.
Term
Turning the layer mask back on
Definition
Choose Layer> Layer Mask> Enable. If the mask does not show up in the layers panel, choose Layer>Layer Mask> Reveal all to display it
Term
To unlink a layer o group from its layer mask or vector mack
Definition
click the link icon between the thumbnails in the layers panel.
Term
to relink them
Definition
Click the blank space between the two thumbnails.
Term
To convert a vector mask to a layer mask
Definition
Select the the layer containing the vector mask you want to covert, and choose Layer> Rasterize> Vector Mask. You can not change a a rasterize vector mask back into a vector object.
Term
To modify a mask:
Definition
Use the Density and Feather sliders in the properties panel.
Term
The density slider
Definition
It determines the opacity of the mask: at 100%, the mask is fully in effect; at lower opacities, the contrast lessens; and at 0%, the mask has no effect
Term
The feather slider
Definition
It softens the edge of the mask.
Term
When using a painting or editing tool in Quick Mask mode, Keep these principles in mind:
Definition
Painting with black adds to the mask (the red overlay) and decreases the selected area.
Painting with white erases the mask (the red overlay) and increases the selected area.
Painting with gray partially adds to the mask.
Term
Puppet Warp
Definition
Gives you flexibility in manipulating an image.
Term
Using puppet warp
Definition
You'll use the mesh to place pins where you want to control movement (or to ensure there is no movement)
Term
Channels and layers
Definition
Think of channels as containing an image's color and selection information; think of layers as containing painting and effects.
Term
Alpha Channels
Definition
-an image can contain up to 56 channels, including all color and alpha channels
-all channels are 8-bit grayscale images capable of displaying 256 levels of gray.
Term
Being specific with alpha channels
Definition
Term
New Channels
Definition
They have the same dimensions and number of pixels as the original image.
Term
Editing the mask in alpha channel
Definition
You can edit the mask in alpha channel using the painting tools, editing tools, and filters.
Term
Converting alpha channels
Definition
You can convert alpha channels to spot-coclor channels.
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