Quick mask mode is an additional way of making selections in Acorn, and can be combined with other selection tools such as the magic wand to refine a selection. Q uick mask mode can be found under the Select ▸ Quick Mask menu item. ![]() If you want to select all the pixels in the layer that are the same color as the one you clicked, uncheck the "Contiguous" setting. If you have the "Contiguous Wand” box checked, you will select only those same-colored pixels contiguous to the ones you click. For a live adjustment of the magic wand tolerance, you can click on the color in your image and drag the magic wand on the canvas inwards (to decrease the tolerance) or outwards (to increase the tolerance). You can adjust the tolerance (how close a color has to be to the one you clicked on) in the selection palette. The magic wand selection tool will select areas of the same color that you clicked on. You can finish off your selection with a double click. The polygonal selection tool allows you make odd selections, but by making multiple clicks. This is great if you have a selection that does not fit in a box or a square. The freehand selection tool allows you to make freehand selections. The rectangle selection allows you to make rectangular selections and the elliptical selection tool allows you to make oval selections. When you re-open the image, your selection will still be there. If you have a selection, save your image as a. ![]() To remove a selection, choose the menu item Select ▸ Clear Selection, or use the shortcut ⌘D.Īcorn will remember your selection when you save your image. ![]() Pressing shift - M multiple times will then cycle through all the selection tools. The shortcut key for switching to a selection tool is shift - M. Acorn gives you a handful of ways to make selections on your image including the rectangle, elliptical, freehand, polygonal, and magic wand selection tools. The selection tools allow you to isolate a specific area of your image and then work in that area without altering the other areas of the image.
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