1. Lasso tool
1. Lasso tool: Rough frame selection, not suitable for precise cutting out
2. Polygonal lasso tool: suitable for cutting out angular pictures, straight lines (press enter can quickly form a selection)
3. Magnetic lasso tool (basically will not be used for eight lifetimes) Tools used): It is magnetic, can identify the edge of the object (clear edge), the operation can be offset by deleting the point (press Enter can quickly form a selection)
a Width: This value determines the center of the cursor as the benchmark. How many pixels around can be detected by the tool. High value when the boundary is clear
b Contrast: Set the sensitivity of the tool to sense the edge of the image, high value when the image is clear
c Frequency: Determine the number of anchor points generated. The higher the value, the more accurate the captured boundary
2. Quick selection tool (belonging to the brush category)
1. Adjust to size: the [] behind p can adjust the size of the brush
2. You can move the cross cursor, select similar images in quick succession, and automatically recognize the edges (create a marquee)
3. Reverse selection of selection: ctrl+shift+ i
Third, the magic wand tool
1. You can create a selection and choose a range with similar colors.
2. The larger the tolerance value, the larger the range of similar colors, between 5 and 35.
3. When the continuous is not checked, when the main object and the background color are similar, the main object Will also select
4. Magic Wand Tool Cutout Applicable situation: the background is a solid color, or the background and the subject have a large color gap
Fourth, the color range
1. Selection—change the color range selection to the selection range
under the sampling color graph 2. Create a selection based on the color range of the image.
White is selected, black is not selected, and gray is transparent.
Five, the eraser tool
1. Eraser tool: directly wipe to delete unnecessary images
2. Magic eraser: directly delete areas with similar colors, the tolerance value is the same as the magic wand
Six, other auxiliary operations
1. Layer order: move one layer down/up ctrl+【】
bottom/top layer ctrl+shift+【】
2. Shrink (selection—modify): shrink the selection on the basis of the original
shortcut keys to organize:
| Reverse selection: ctrl+shift+i | Bottom/Top: ctrl+shift+【】 |
|---|---|
| Move layer down/up: ctrl+【】 |