Erasing Parts Of An Image; Change Similar Pixels With The Magic Eraser Tool - Adobe Photoshop CS6 User Manual

Erasing parts of an image

Erase with the Eraser tool

Change similar pixels with the Magic Eraser tool

Change pixels to transparent with the Background Eraser tool
Auto Erase with the Pencil tool
Erase with the Eraser tool
The Eraser tool changes pixels to either the background color or to transparent. If you're working on a background or in a layer with transparency
locked, the pixels change to the background color; otherwise, the pixels are erased to transparency.
You can also use the eraser to return the affected area to a state selected in the History panel.
1. Select the Eraser tool
2. Set the background color you want to apply if you are erasing in the background or a layer with locked transparency.
3. In the options bar, choose a Mode setting. Brush and Pencil set the eraser to act like those tools. Block is a hard-edged, fixed-sized square
with no options for changing the opacity or flow.
4. For Brush and Pencil modes, choose a brush preset, and set Opacity and Flow in the options bar.
An opacity of 100% erases pixels completely. A lower opacity erases pixels partially. See Paint tool options.
5. To erase to a saved state or snapshot of the image, click the left column of the state or snapshot in the History panel, and then select Erase
To History in the options bar.
(Photoshop) To temporarily use the Eraser tool in Erase to History mode, hold down Alt (Windows) or Option (Mac OS) as you drag in
the image.
6. Drag through the area you want to erase.
Change similar pixels with the Magic Eraser tool
When you click in a layer with the Magic Eraser tool, the tool changes all similar pixels to transparent. If you're working in a layer with locked
transparency, the pixels change to the background color. If you click in the background, it is converted to a layer and all similar pixels change to
transparent.
You can choose to erase contiguous pixels only or all similar pixels on the current layer.
Example of erasing similar pixels
1. Select the Magic Eraser tool
2. Do the following in the options bar:
Enter a tolerance value to define the range of colors that can be erased. A low tolerance erases pixels within a range of color values
very similar to the pixel you click. A high tolerance extends the range of colors that will be erased.
Select Anti-aliased to smooth the edges of the area you erase.
Select Contiguous to erase only pixels contiguous to the one you click, or deselect to erase all similar pixels in the image.
Select Sample All Layers to sample the erased color using combined data from all visible layers.
Specify an opacity to define the strength of the erasure. An opacity of 100% erases pixels completely. A lower opacity erases pixels
partially.
3. Click in the part of the layer you want to erase.
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