Photoshop's Lasso tool contains three tools, which are lasso tool, polygon lasso tool, magnetic lasso tool, lasso tool is the most basic selection tool, in the processing of images plays a very important role. The shortcut key for this tool is the letter L.
Photoshop Lasso Tool
Rectangular Elliptical Marquee tool can make a selection, and its selection is regular, for the irregular shape of the figure, there is a certain degree of difficulty, then we will think of the Lasso tool Group three tools.
The first Lasso tool in the Lasso tool set is used to make arbitrary irregular selections, the polygonal lasso tool in the Lasso tool group is used to make a certain selection of rules, while the magnetic lasso tool in the Lasso tool Group is a selection of pictures whose edges are more distinct and larger than the background color. and pay attention to the settings of its property bar when used.
Tool Property Bar for Photoshop Lasso tool
1, the selection of the addition and subtraction settings: When the selection, the use of "new constituency" command more.
2, "feather" option: The value range of 0-250, can feather the edge of the selection, the larger the number, the larger the edge of the feather.
3, "anti-aliasing" function is to make the selection more smooth.
4, "width" of the value range of 1-256, you can set a pixel width, the general use of the default value of 10.
5, "Edge contrast" value range of 1-100, it can be set "magnetic lasso" tool detection edge image sensitivity. If the color contrast between the selected image and the surrounding image is strong, a higher percentage value should be set. Instead, enter a lower percentage value.
6, "frequency" in the range of 0-100, it is used to set at the time of the selection of key points to create a rate of an option. The larger the number, the faster the rate, the more critical points. When the edge of the graph is more complex, more key points are needed to determine the accuracy of the edge, and a larger frequency value can be used, and the default value of 57 is generally used.
When used, you can control the key points by using the BACKSPACE key or the "Delete" key.
Practice Exercise:
Original:
Effect chart
1. Copy one layer first.
2. Select the magnetic Lasso tool in the toolbox.
Classification:
- PS Getting Started Tutorial