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To erase with the Standard Eraser:<br />
Painting and Drawing 81<br />
1. Select the Standard Eraser Tool from the Tools toolbar's Eraser Tools<br />
flyout.<br />
2. Choose a brush tip on the Brush Tip tab and change properties, if necessary,<br />
on the Context toolbar.<br />
3. Drag with the tool on the active layer. On the Background layer, erased pixels<br />
expose the current background colour. On other layers, they expose<br />
transparency.<br />
To erase with the Background Eraser:<br />
1. Select the Background Eraser Tool from the Tools toolbar's Eraser Tools<br />
flyout.<br />
2. Choose a brush tip on the Brush Tip tab and change properties, if necessary,<br />
on the Context toolbar.<br />
3. Drag with the tool on the active layer to erase pixels similar to a sampled<br />
reference colour.<br />
• With "Contiguous" limits (the default), the tool erases only withintolerance<br />
pixels adjacent to each other; this tends to restrict erasure to one<br />
side of an edge or line. When you set "Discontiguous" limits, all in-range<br />
pixels are erased. The "Edge Detected" setting can improve erasure along<br />
one side of a contrasting edge or line.<br />
Discontiguous Edge Detected<br />
• With "Continual" sampling (the default), the reference colour is<br />
repeatedly updated as you move the cursor. Sampling "Once" means<br />
erasure is based on the colour under the crosshair when you first click.<br />
Use the "Background Swatch" setting to use the current background<br />
colour (Colour tab) as the reference.