To easily edit and refine existing layer masks, do the following:. In the Layers panel, select the layer containing the mask you want to edit. Click the Mask thumbnail in the Layers panel. Do one of the following:. To subtract from the mask and reveal the layer, paint the mask with white.
To make the layer partially visible, paint the mask with gray. Darker grays make the level more transparent; lighter grays make it more opaque. To add to the mask and hide the layer or group, paint the mask with black. In the case of a regular layer with a layer mask, the Properties panel only shows the masks controls as can be seen in Figure 2 below. The Properties panel won't display anything till you have added either a pixel or a vector mask. Therefore, you can add say, a vector mask to a layer currently masked using a pixel layer mask, or add a pixel mask to a layer currently masked using a vector mask.
If you have both a pixel and vector mask added to a layer, you can tell which mode is active because it will say Pixel Mask or Vector mask at the top of the panel and the relevant mode button will be highlighted in the panel. Below this are the Density and Feather sliders for modifying the mask. The Density slider can be used to adjust the density of the mask and answers requests to have some kind of control over the mask contrast.
A lot of layer masks will originate as black and white masks where the image adjustments or pixel layer contents are either at full opacity or hidden the same is true of vector masks of course. The Density slider allows you to preserve the mask outline, but fade the contrast of the mask in a way that is completely re-editable.
The Feather slider can be used to soften the mask edges up to a pixel radius. The Color Range… button will open the Color Range dialog, where you can make selections based on colors in the image you are editing.
This means that you can use Color Range to make a selection within a mask selection and thereby modify the mask. The Invert button can be used to invert a pixel mask, but if you want to do the same thing with a vector mask you can do so by selecting a vector path outline and switching path modes. Check out Select with the Lasso tool to learn more. Polygonal Lasso Tool : Draw straight-edged segments of a selection border. Using this tool, you can make straight or freehand selections.
You can select this tool from the options when you right-click Lasso Tool. Check out Select with the Polygonal Lasso tool. Hand Tool : Navigate around an image document quickly. Select this tool and drag around the image canvas.
You can also quickly toggle the Hand tool by holding spacebar while using any other tool. Zoom Tool : Magnify and navigate around the photo.
Add or Subtract: Add or subtract from the refinement area. Adjust the brush size if necessary. Sample All Layers : Creates a selection based on all layers rather than only the currently selected layer.
Select Subject : Select the main subjects in a photo in a single click. Refine Hair : Easily find and refine difficult hair selections in a single click. Couple with Object Aware for best results. You can refine your selection in the Properties panel of the Select and Mask workspace.
To do so, adjust the following settings:. View Mode : From the View pop-up menu, choose one of the following view modes for your selection:. High Quality Preview : Renders an accurate preview of the changes. This option may affect performance. When this option is selected, while working on the image, hold down the left mouse button mouse down to view a higher-resolution preview. When this option is deselected, a lower-resolution preview is displayed even on mouse down.
Radius: Determines the size of the selection border in which edge refinement occurs. Use a small radius for sharp edges, and a large one for softer edges. Smart Radius: Allows for a variable width refinement area around the edge of your selection. Among other use cases, this option is helpful if your selection is a portrait that includes both hair and shoulders. In such portraits, the hair might require a larger refinement area than the shoulders, where the edge is more consistent. Contrast: When increased, soft-edged transitions along the selection border become more abrupt.
Typically, the Smart Radius option and refinement tools are more effective. Shift Edge: Moves soft-edged borders inward with negative values or outward with positive ones.
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