Information background eraser
This is how you can use the background eraser :
Select the tool background eraser from the worksheet. (It's grouped with the Eraser tool.)
Select in the palette options for
tool the brush point, size, cover, hardness and other options.
When the opacity settings on 100% has been established, pixels complete transparency are made.
At a lower opacity pixels partial transparency become
Tolerance: Stipulates how precise the selected pixels
sampled pixel must .
The range is 0 up to 200.
At lower settings only pixels with very similar colors are erased.
At higher settings more pixels are erased.
(This edit box is not available as the Auto Tolerance check box is marked)
Sampling: How the tool determines what pixels to erase:
Limits: Whether erased pixels must be adjacent to each other
Auto tolerance: Mark this checkbox to
have the tool determine based on the pixels in the background eraser tool's
The tolerance may change continuously as the tool moves over different parts of the layer.
Clear this checkbox to have the tool use the tolerance setting that you choose
Mark this checkbox to sample data from all layers merged together.
Only pixels in current layer are erased. Clear the check box to sample data from current layer only.
Ignore Lightness: Mark this checkbox when the colors in the object that you want to isolate strongly saturated and the background is unsaturated, or visa versa.
If the image has more than one layer, on the layer palette, click the layer that has an object that you want isolate by erasing the background
The background eraser cannot be applied
on the background which does not support transparency.
If you apply the tool to the background, you are prompted to promote it to a full layer.
Drag on the layer, around the edges of the subject to erase the background area as follows:
* If you want erase pixels, you drag with the left mouse button pressed.
* If you want erase a straight line, you click once on the beginning point, then press Shift and click the end point.
*To continue the straight line, move to the next point and press Shift and click.
* To repair erased pixels, drag with the right mouse button.