Adobe® Photoshop® CS2 Studio Techniques

Limits

With default settings, the Background Eraser tool will delete only those areas that actually touch the crosshair. It won't be able to jump across one area that shouldn't be deleted to find another area similar to the one being deleted. That can cause problems when you're working with images of trees, fences, or other objects that break the background into multiple disconnected regions (Figure 14.13). You can change that behavior by changing the Limits menu from Contiguous (meaning only touching the crosshair) to Discontiguous, which will allow it to delete the color that's under the crosshair from the entire circle, even if something like a tree branch isolates an area so it doesn't touch the crosshair (Figure 14.14).

Figure 14.13. Result ...