What are the basic knowledge points of PS?

ps is a practical drawing tool, which contains a lot of knowledge points. The summary is as follows:

1. PS interface:

Menu Bar, property bar, toolbar, editing area, activity panel

2. Functions of PS:

Image processing (photo studio post-production, portrait restoration and beautification); typesetting (books, magazines , inkjet printing, advertising); web page, APP layout design.

3. PS version:

CS2 3 4 5 6 CC (creative cloud) CC 2014

CC2015 CC2017 CC2018

Software General odd number Add experimental features Even-numbered versions are generally stable

4. Shortcut keys:

Various tools have their shortcut key letters (for example, the move tool is v), use Please ensure that the input method is English input.

New (ctrl N)

Resolution settings: printing 300dpi, screen (web, app) 72dpi, inkjet printing 30dpi.

Insert the picture into the current file:

In the Explorer, drag the picture into the canvas area: ctrl enter to confirm the insertion.

Open the picture as a new file (ctrl O)

Drag the picture in the resource manager to the property bar and let go; or use the menu bar File -> to open.

Zoom:

• ctrl plus to zoom in;

• ctrl minus to zoom out;

• alt scroll wheel;

• ctrl 1 to restore the original proportion

5. Other shortcut keys:

• Fill foreground color: alt delete

• Fill background color: ctrl delete

• Swap foreground and background color: X

• Restore the default foreground and background color: D

• ctrl z You can only take one step back

• ctrl alt z One step back

• ctrl shift z One step forward

• Layer shortcut key: F7

• Create a new layer: ctrl shift alt N

• ##ctrl shift N New layer A new panel will pop up

• Copy layer: ctrl J

• Delete layer shortcut key: delete

• Cancel selection: ctrl D

• Free transformation shortcut key: ctrl T

• When scaling, hold down the shift key on the keyboard and scale proportionally to ensure no deformation

• Save: ctrl S

• Save as: ctrl shift S

6. Lasso tool:

Combines four operation modes, mainly used Modify the selection

• Polygonal Lasso: Create angular graphics

• Magnetic Lasso: With adsorption function, requirements: image edge and background The color contrast is large

• Path change selection: ctrl enter

• Inverse selection: ctrl shift I

7. How to use the pen:

• Fixed point: The end of a single arc

• When to cancel (modify the handle): When you reach the corner, hold down the alt key to adjust the single-sided handle

• The handle and the path remain tangent

8. Brush:

Adjust the brush size:

[ Make the brush smaller

] Make the brush bigger

Brush hardness:

The higher the value Large strokes are stiffer

The smaller the value, the softer the strokes are

shift [ The hardness becomes smaller

shift ] The hardness becomes larger

9. Other operations ：

• Ruler (ctrl R): Hold down the mouse on the ruler and drag out Reference line

• Liquify: ctrl shift X Or click Filter -> Liquify.

  
  

• Hue/Saturation (ctrl U)

• Levels: ctrl L; adjustment is to make white whiter and black Darker and contrast enhanced.

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