Channels Palette in AKVIS MultiBrush
 

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Tutorial: AKVIS MultiBrush

Channels Palette

 

The Channels palette is only available for Home Deluxe and Business licenses.

This palette lets you view and edit the image in separate channels. A channel is a halftone image that contains the brightness information of component colors.

The channels list contains: 1) the composite image (RGB, CMYK, Lab, or Grayscale), 2) the separate channels for the color mode (for example, for RGB - Red, Green, Blue channels), 3) the current raster layer transparency (alpha channel), and 4) the current selection channel.

To the left of a channel's name there is a visibility indicator and a thumbnail which displays all changes made with this channel.

Channels Palette: CMYK Channels
Channels palette: CMYK image

The active (editable) channel will be highlighted with a dark gray background in the list. To select another channel click on its name.

When you select one of the component channels (for example, blue in RGB) the image will be shown as grayscale in the Image Window.

Blue channel Channels Palette
Blue channel is visible RGB image - Blue channel is editable

The visibility indicator near the inactive channel means that this channel is shown in the Image Window but is not editable.

If several channels are visible, the image will be displayed in colors.

Blue and green channels Channels Palette
Blue and Green channels are visible
 
Blue channel is editable
Green is visible but not selected for editing

If you select the composite channel, all component channels become visible and active.

The composite image is always located at the top of the list and is selected by default.

Composite RGB Image Channels Palette
Composite RGB Image All RGB channels are editable

To edit a channel, use the usual drawing tools. Painting in the color white on a channel will result in 100% intensity of the corresponding color. Different shades of color result in varying color intensity. A black brush will completely remove a color channel.

 

In the Alpha channel, by default, opaque areas are shown in white, transparent areas in black, and semitransparent areas in gray.

You can adjust the view mode for the alpha channel in the pop-up menu: Grayscale, Trimap, and Highlighted in Red.

View Modes
Alpha channel's View Modes

Composite RGB Image Grayscale
Original RGB Image
 
Grayscale:
black areas are transparent, white - opaque
Trimap Highlighted in red
Trimap: black - transparent,
gray - semitransparent, white - opaque
Highlighted in red:
transparent areas are highlighted in red

 

For the Selection channel you can switch between 6 view modes: Grayscale, Trimap, Highlighted in Red, Inverted Red, Black Background, and White Background.

 
How It Works How It Works
   — Workspace — Workspace
   — How To Use The Program — How To Use The Program
   — Create New Image — Create New Image
   — Preferences — Preferences
   — Hot Keys — Hot Keys
Palettes Palettes
   — Toolbar — Toolbar
   — Color — Color
   — Swatches — Swatches
   — History — History
   — Layers — Layers
   — Channels — Channels
Standard Brushes Standard Brushes
   — Color Brush — Color Brush
   — Color Pencil — Color Pencil
   — Spray — Spray
   — Eraser — Eraser
   — History Brush — History Brush
   — Clone Stamp — Clone Stamp
   — Chameleon Brush — Chameleon Brush
   — Blur — Blur
   — Sharpen — Sharpen
   — Smudge — Smudge
   — Lighten — Lighten
   — Darken — Darken
   — Saturation — Saturation
Artistic Brushes Artistic Brushes
   — Oil Brush — Oil Brush
   — Roller — Roller
   — Felt-tip Marker — Felt-tip Marker
   — Chalk — Chalk
   — Artistic Pencil — Artistic Pencil
   — Artistic Spray — Artistic Spray
   — Artistic Eraser — Artistic Eraser
Common Tools Common Tools
   — Alignment — Alignment
   — Selection — Selection
   — Crop — Crop
   — Move — Move
   — Transform — Transform
   — Text — Text
   — Eyedropper — Eyedropper
   — Hand — Hand
   — Zoom — Zoom
Examples Examples
   — Changing Eye Color — Changing Eye Color
   — Selecting Lipstick — Selecting Lipstick
   — How To Enliven the Color of a Face — How To Enliven the Color of a Face
   — Figure Correction — Figure Correction
   — Portrait Editing — Portrait Editing
   — Odd Man Out — Odd Man Out
   — Alter Ego — Alter Ego
   — Removing Facial Shine — Removing Facial Shine
   — Photo Retouching — Photo Retouching
   — Removing an Object — Removing an Object
   — Visiting a Wildlife Park — Visiting a Wildlife Park
   — One Fish, Two Fish… — One Fish, Two Fish…
   — Restoration of a Colonnade — Restoration of a Colonnade

 

 

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