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Original title: "how to use PS's lasso tool?" Just read this one! "

Hello, hello ~ I will introduce PS's lasso tool to you today.

The lasso tool is also a frequently used tool for making selection, which can be used to make a selection with a broken line outline or to draw an irregular outline by hand.

There are three kinds of lasso tools, namely, lasso tool, polygonal lasso tool and magnetic lasso tool.

Are you a little dizzy? Don't be afraid! Let's take a look at it one by one and make sure you get to know each other!

01 Lasso tool

● uses the lasso tool, and we can use the mouse to draw freehand images to create selections with random contours.

● function:

1. It is usually used to outline the edges of some irregularly shaped images.

two。 Simple matting.

● matting steps:

1. Press and hold the left mouse button to draw a selection at will to form a selection.

2. [Ctrl+J] copy.

3. Close the little eyes of the original picture.

02 Polygon lasso tool

● [Polygon Lasso tool] can help us to make polygonal selections with broken lines in the image.

How to use ●:

1. First move the mouse over the image and click to determine the starting point of the broken line.

two。 Then click on other break points one after another to determine the location of each broken line.

3. Finally, when the broken line returns to the starting point, a small circle appears under the cursor, indicating that the selection area is closed, and then click the mouse to complete the operation.

● matting steps:

1. Hold down the left mouse button and click along the edge of the object you want to matte.

two。 A zero at the start and end indicates closure, and then the selection is automatically formed.

3. After the selection is formed, [Ctrl+J] copies it.

4. Close the small eyes of the original picture.

03 magnetic lasso tool

● [Magnetic Lasso tool] is a lasso tool with the function of automatically identifying image edges. It is magnetic and can be recognized as automatically adsorbed on the edge of the object (the edge should be clear).

How to use ●:

1. Move the mouse over the image and click to select the starting point.

two。 Then move the mouse along the edge of the object (without holding down the left mouse button), and the Magnetic Lasso tool will generate the selection outline of the object based on the automatically recognized edge of the image.

3. When the mouse moves back to the starting point, a small circle appears at the lower right foot of the cursor, indicating that the selection area is closed.

4. Finally, click the mouse here to complete the operation.

04 lasso tool property bar

1. Create a new selection: press and hold the left mouse button to draw anything.

two。 Add to selection: add the selection shortcut key [Shift] to the original.

3. Subtract from selection: subtract the selection shortcut key [Alt] from the original.

4. Selection intersection: crossing with a selection is a shortcut to take the place where two selections overlap [Shift+Alt].

● Eclosion

[the Eclosion value of the lasso tool must be set before it takes effect]

1. Feathering a selection can blur the pixels on the edge of the selection, resulting in an excessive effect.

two。 The larger the feathering parameter, the more blurred the edge of the selection, and the right-angled part of the selection will become sleek, which will cause some details on the edge of the selection to be lost.

3. You can enter the feathering value in the text box after feathering to set the feathering function of the selection. (value range is 0-1000 pixels)

● anti-aliasing

When this check box is checked, the aliasing on the edges of the selection will be eliminated, and this option can only be used in the Ellipse selection tool.

This article comes from the official account of Wechat: Akiba PS (ID:qiuyeps), author: Wujin

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