About Adobe Photoshop adjusting selection

The original title ：「Adobe International Certification 」 About Adobe Photoshop Adjust the selection introduction

You can go to “ Choose and mask ” Work area “ attribute ” Adjust the selection in the panel . So , Please adjust the following settings ：

View mode settings

View mode ： from “ View ” In the pop-up menu , Select the following view modes for the selection ：

• Onion skin (O)： Display the selection as an animated onion skin structure
• Blinking dotted line (M)： Display the selection border as a blinking dotted line
• superposition (V)： Displays the selection as a transparent color overlay . Unselected areas are displayed in this color . The default color is red .
• Black background (A)： Place the selection on a black background
• white background (T)： Place the selection on a white background
• Black and white (K)： Display the selection as a black and white mask
• Layers (Y)： Make the area around the selection transparent

Ann F Key to cycle through various modes , Press X Key to temporarily disable all modes .

Show edges ： Display adjustment area .

Show original selection ： Show original selection .

High quality Preview ： Accurate preview of render changes . This option may affect performance . After selecting this option , When processing images , Hold down the left mouse button （ Slide down ） You can view a higher resolution preview . When this option is deselected , Even when you slide the mouse down , A lower resolution preview will also be displayed .

transparency / The opacity ： by “ View mode ” Set transparency / The opacity .

Adjustment mode

Set up “ edge detection ”、“ Fine line adjustment ” and “ Adjust the edge brush tool ” The edge adjustment method used .

• Color recognition ： Select this mode for simple background or contrast background .
• Object recognition ： Select this mode for fur or fur on a complex background .

Edge detection settings

radius ： Determines the size of the selection border where edge adjustment occurs . Use a smaller radius for sharp edges , Use a larger radius for softer edges .

Smart radius ： Allow a variable width adjustment area to appear at the edge of the selection . In other use cases , If the selection is a portrait involving hair and shoulders , This option can be very useful . In the portraits with more consistent edges , You may need to set a larger adjustment area for the hair than the shoulder .

Global adjustment settings

smooth ： Reduce irregular areas in the selection boundary （“ Peaks and valleys ”） To create a smoother profile .

emergence ： Blur the transition between the selected area and the surrounding pixels

Contrast ： When it increases , Transitions along the soft edges of the selection border become incoherent . Usually , Use “ Smart radius ” Options and adjustment tools will work better .

Move the edge ： Use a negative value to move the border of the softened edge inward , Or use positive values to move these borders outward . Moving these borders inward helps remove unwanted background colors from the edges of the selection .

Output Settings

Purify color ： Replace the color edge with the color of the pixel completely selected nearby . The intensity of color substitution is proportional to the softness of the selected edges . Adjust the slider to change the purge amount . The default value is 100%（ Maximum strength ）. Pixel color changed due to this option , So it needs to be exported to a new layer or document . Please keep the original layer , So you can return to the original state when you need it .

Output to ： Decide whether the adjusted selection will become the selection or mask on the current layer , Or generate a new layer or document .

Be careful : single click （ Reset the workspace ）, The settings can be restored to allow you to enter “ Choose and mask ” The original state of the workspace . in addition , This option can also restore the image as you entered “ Choose and mask ” When working in the workspace , The original selection or mask it applies . Select remember settings to store settings , For future images . The settings will be reapplied to all future images , If in “ Choose and mask ” Reopen the current image in the workspace , These settings are also reapplied .