About Photoshop Magic Eraser Tool

MAGIC ERASER TOOL (SHIFT + E):

This tool works like Magic Wand Tool.

Magic Eraser tool is used to erase color of an area by just one click.

This tool works by taking pixel color as sample on which we click and erases that color.

This tool is basically very useful when we need to erase hard color by just one click.

1.  First open an image. To do this go to File menu and click on open option or simply press
" CTRL + O " and browse image from your hard drives and press ok.

2.  Now select Magic Eraser Tool from Tools Panel or press " SHIFT + E ".

3.  After selecting Magic Eraser tool, you will find some options in options bar.

TOLERANCE: Tolerance value defines the range of color that will be erased.

Low Tolerance value erases colors that are very similar to the pixel color on which we click.

Here first I used 50% Tolerance value and clicked on the first Floral Petal. Then this low
Tolerance value only erased some amount of color in that petal which is very similar to the pixel color on which I clicked.

But I wanted to erase entire Petal with just one click. so we need to use "Higher Tolerance value".

Higher Tolerance value erases colors within a broader range i.e erases pixel color on which we click along with some other relative colors. Here I clicked on Petal top color(orange). But the lower light yellow color is also erased along with top color because of Higher Tolerance value.

ANTI-ALIAS: By default this option is checked. It helps in producing smooth edges while colors are erasing.

CONTIGUOUS: If we check this option, then only the color on which we click will be erased even though there are other similar colors or objects present in the image i.e only the color on which we click will be affected.

Here I checked "CONTIGUOUS" option and clicked on first Petal, then only that Petal on which I clicked was erased

If we uncheck "CONTIGUOUS" option, then the color on which we click will be erased along with all other similar colors or objects in the image.

Here I clicked on first Petal, then that Petal was erased along with all other similar Petals.

OPACITY: Opacity defines the strength of erase.

Lower Opacity value erases the pixel color on which we click to a lower transparency state.

Here I selected 50% Opacity value. Then only a partial transparent state was created.

Higher Opacity value erases the pixel color on which we click completely.

Here I used 100% Opacity value and the color on which I clicked was turned to a complete transparent state i.e completely erased.

SAMPLE ALL LAYERS: If we check this option means Photoshop samples the erased color using combined data form all visible layers.

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