Select the Lasso tool , and set feathering and anti-aliasing in the options bar. (See Soften the edges of selections.)
- Photoshop User Guide
- Introduction to Photoshop
- Photoshop and other Adobe products and services
- Work with Illustrator artwork in Photoshop
- Work with Photoshop files in InDesign
- Substance 3D Materials for Photoshop
- Photoshop and Adobe Stock
- Use the Capture in-app extension in Photoshop
- Creative Cloud Libraries
- Creative Cloud Libraries in Photoshop
- Use the Touch Bar with Photoshop
- Grid and guides
- Creating actions
- Undo and history
- Photoshop on the iPad
- Photoshop on the iPad | Common questions
- Get to know the workspace
- System requirements | Photoshop on the iPad
- Create, open, and export documents
- Add photos
- Work with layers
- Draw and paint with brushes
- Make selections and add masks
- Retouch your composites
- Work with adjustment layers
- Adjust the tonality of your composite with Curves
- Apply transform operations
- Crop and rotate your composites
- Rotate, pan, zoom, and reset the canvas
- Work with Type layers
- Work with Photoshop and Lightroom
- Get missing fonts in Photoshop on the iPad
- Japanese Text in Photoshop on the iPad
- Manage app settings
- Touch shortcuts and gestures
- Keyboard shortcuts
- Edit your image size
- Livestream as you create in Photoshop on the iPad
- Correct imperfections with the Healing Brush
- Create brushes in Capture and use them in Photoshop
- Work with Camera Raw files
- Create and work with Smart Objects
- Adjust exposure in your images with Dodge and Burn
- Photoshop on the web beta
- Common questions | Photoshop on the web beta
- Introduction to the workspace
- System requirements | Photoshop on the web beta
- Keyboard shortcuts | Photoshop on the web beta
- Supported file types | Photoshop on the web beta
- Open and work with cloud documents
- Apply limited edits to your cloud documents
- Collaborate with stakeholders
- Cloud documents
- Photoshop cloud documents | Common questions
- Photoshop cloud documents | Workflow questions
- Manage and work with cloud documents in Photoshop
- Upgrade cloud storage for Photoshop
- Unable to create or save a cloud document
- Solve Photoshop cloud document errors
- Collect cloud document sync logs
- Share access and edit your cloud documents
- Share files and comment in-app
- Workspace
- Workspace basics
- Preferences
- Learn faster with the Photoshop Discover Panel
- Create documents
- Place files
- Default keyboard shortcuts
- Customize keyboard shortcuts
- Tool galleries
- Performance preferences
- Use tools
- Presets
- Grid and guides
- Touch gestures
- Use the Touch Bar with Photoshop
- Touch capabilities and customizable workspaces
- Technology previews
- Metadata and notes
- Touch capabilities and customizable workspaces
- Place Photoshop images in other applications
- Rulers
- Show or hide non-printing Extras
- Specify columns for an image
- Undo and history
- Panels and menus
- Position elements with snapping
- Position with the Ruler tool
- Web, screen, and app design
- Image and color basics
- How to resize images
- Work with raster and vector images
- Image size and resolution
- Acquire images from cameras and scanners
- Create, open, and import images
- View images
- Invalid JPEG Marker error | Opening images
- Viewing multiple images
- Customize color pickers and swatches
- High dynamic range images
- Match colors in your image
- Convert between color modes
- Color modes
- Erase parts of an image
- Blending modes
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- Customize indexed color tables
- Image information
- Distort filters are unavailable
- About color
- Color and monochrome adjustments using channels
- Choose colors in the Color and Swatches panels
- Sample
- Color mode or Image mode
- Color cast
- Add a conditional mode change to an action
- Add swatches from HTML CSS and SVG
- Bit depth and preferences
- Layers
- Layer basics
- Nondestructive editing
- Create and manage layers and groups
- Select, group, and link layers
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- Blending modes
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- Align and distribute layers
- Copy CSS from layers
- Load selections from a layer or layer mask's boundaries
- Knockout to reveal content from other layers
- Selections
- Get started with selections
- Make selections in your composite
- Select and Mask workspace
- Select with the marquee tools
- Select with the lasso tools
- Adjust pixel selections
- Move, copy, and delete selected pixels
- Create a temporary quick mask
- Select a color range in an image
- Convert between paths and selection borders
- Channel basics
- Save selections and alpha channel masks
- Select the image areas in focus
- Duplicate, split, and merge channels
- Channel calculations
- Get started with selections
- Image adjustments
- Replace object colors
- Perspective warp
- Reduce camera shake blurring
- Healing brush examples
- Export color lookup tables
- Adjust image sharpness and blur
- Understand color adjustments
- Apply a Brightness/Contrast adjustment
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- Levels adjustment
- Adjust hue and saturation
- Adjust vibrance
- Adjust color saturation in image areas
- Make quick tonal adjustments
- Apply special color effects to images
- Enhance your image with color balance adjustments
- High dynamic range images
- View histograms and pixel values
- Match colors in your image
- Crop and straighten photos
- Convert a color image to black and white
- Adjustment and fill layers
- Curves adjustment
- Blending modes
- Target images for press
- Adjust color and tone with Levels and Curves eyedroppers
- Adjust HDR exposure and toning
- Dodge or burn image areas
- Make selective color adjustments
- Adobe Camera Raw
- Camera Raw system requirements
- What's new in Camera Raw
- Introduction to Camera Raw
- Create panoramas
- Supported lenses
- Vignette, grain, and dehaze effects in Camera Raw
- Default keyboard shortcuts
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- Radial Filter in Camera Raw
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- Repair images with the Enhanced Spot Removal tool in Camera Raw
- Rotate, crop, and adjust images
- Adjust color rendering in Camera Raw
- Process versions in Camera Raw
- Make local adjustments in Camera Raw
- Image repair and restoration
- Image enhancement and transformation
- Drawing and painting
- Paint symmetrical patterns
- Draw rectangles and modify stroke options
- About drawing
- Draw and edit shapes
- Painting tools
- Create and modify brushes
- Blending modes
- Add color to paths
- Edit paths
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- Text
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- Photoshop 3D
Select with the Lasso tool
The Lasso tool is useful for drawing freeform segments of a selection border.
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To add to, subtract from, or intersect with an existing selection, click the corresponding button in the options bar.
Selection options A. New B. Add To C. Subtract From D. Intersect With
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Do either of the following:
- Drag to draw a freehand selection border.
- To switch between freehand and straight-edged segments, press Alt (Windows) or Option (Mac OS), and click where segments should begin and end. (To erase recently drawn straight segments, hold down the Delete key.)
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To close the selection border, release the mouse without holding down Alt or Option.
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(Optional) Click Select and Mask to further adjust the selection boundary.
Select with the Polygonal Lasso tool
The Polygonal Lasso tool is useful for drawing straight-edged segments of a selection border.
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Select the Polygonal Lasso tool
, and select options.
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Specify one of the selection options in the options bar.
Selection options A. New B. Add To C. Subtract From D. Intersect With
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(Optional) Set feathering and anti-aliasing in the options bar. See Soften the edges of selections.
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Click in the image to set the starting point.
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Do one or more of the following:
- To draw a straight segment, position the pointer where you want the first straight segment to end, and click. Continue clicking to set endpoints for subsequent segments.
- To draw a straight line at a multiple of 45°, hold down Shift as you move to click the next segment.
- To draw a freehand segment, hold down Alt (Windows) or Option (Mac OS), and drag. When you finish, release Alt or Option and the mouse button.
- To erase recently drawn straight segments, press the Delete key.
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Close the selection border:
- Position the Polygonal Lasso tool pointer over the starting point (a closed circle appears next to the pointer), and click.
- If the pointer is not over the starting point, double-click the Polygonal Lasso tool pointer, or Ctrl-click (Windows) or Command-click (Mac OS).
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(Optional) Click Select and Mask to further adjust the selection boundary.
Select with the Magnetic Lasso tool
When
you use the Magnetic Lasso tool , the
border snaps to the edges of defined areas in the image. The Magnetic
Lasso tool is not available for 32‑bits-per-channel images.
The Magnetic Lasso tool is especially useful for quickly selecting objects with complex edges set against high-contrast backgrounds.
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Select the Magnetic Lasso tool.
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Specify one of the selection options in the options bar.
Selection options A. New B. Add To C. Subtract From D. Intersect With
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(Optional) Set feathering and anti-aliasing in the options bar. See Soften the edges of selections.
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Set any of these options:
Width
To specify a detection width, enter a pixel value for Width. The Magnetic Lasso tool detects edges only within the specified distance from the pointer.
Notă:To change the lasso pointer so that it indicates the lasso width, press the Caps Lock key. You can change the pointer while the tool is selected but not in use. Press the right bracket (]) to increase the Magnetic Lasso edge width by 1 pixel; press the left bracket ([) to decrease the width by 1 pixel.
Contrast
To specify the lasso’s sensitivity to edges in the image, enter a value between 1% and 100% for Contrast. A higher value detects only edges that contrast sharply with their surroundings; a lower value detects lower-contrast edges.
Frequency
To specify the rate at which the lasso sets fastening points, enter a value between 0 and 100 for Frequency. A higher value anchors the selection border in place more quickly.
Notă:On an image with well-defined edges, try a higher width and higher edge contrast, and trace the border roughly. On an image with softer edges, try a lower width and lower edge contrast, and trace the border more precisely.
Stylus Pressure
If you are working with a stylus tablet, select or deselect the Stylus Pressure option. When the option is selected, an increase in stylus pressure decreases the edge width.
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Click in the image to set the first fastening point. Fastening points anchor the selection border in place.
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Release the mouse button or keep it pressed, and then move the pointer along the edge you want to trace.
The most recent segment of the selection border remains active. As you move the pointer, the active segment snaps to the strongest edge in the image, based on the detection width set in the options bar. Periodically, the Magnetic Lasso tool adds fastening points to the selection border to anchor previous segments.
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If the border doesn’t snap to the desired edge, click once to add a fastening point manually. Continue to trace the edge, and add fastening points as needed.
Fastening points anchor selection border to edges -
To switch temporarily to the other lasso tools, do one of the following:
- To activate the Lasso tool, hold down Alt (Windows) or Option (Mac OS), and drag while pressing the mouse button.
- To activate the Polygonal Lasso tool, hold down Alt (Windows) or Option (Mac OS), and click.
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To erase recently drawn segments and fastening points, press the Delete key until you’ve erased the fastening points for the desired segment.
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Close the selection border:
- To close the border with a magnetic segment, double-click, or press Enter or Return. (To manually close the border, drag over the starting point and click.)
- To close the border with a straight segment, hold down Alt (Windows) or Option (Mac OS), and double-click.
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(Optional) Click Select and Mask to further adjust the selection boundary.
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