To add to the red overlay area, just click and drag the cursor over the area. (Trivia note: The red overlay in Photoshop was designed to resemble the red acetate "rubylith" used by print shops when masking images the old school way.) Click the drop-arrow menu arrow at Mode, and choose Mask.Ĭhoosing Mask will place a red overlay over everything in the image except the object you selected. Why? Because the Selection Brush Tool is the gateway to Masking mode.Īfter you click on the Selection Brush Tool, look up at the Options bar. With the object still selected with the border of marching ants, click on the Selection Brush Tool:īe sure to choose the Selection Brush Tool, not the Magic Selection Brush Tool. Here's a little trick to make adjustments: When you get back to the starting point, click on that first point to close the selection.Īfter closing the selection, you might notice an area that needs a slight adjustment. Your selection isn't finished until you come all the way back to your starting point. Gently guide the cursor back towards the edge, at this point you may want to click to manually set a point, then continue moving along the object's edge. Clicking Backspace will remove the most recent marked point, but note that it does not move the cursor backwards. If you make an error, stop and click the Backspace key.
If you come to a really tricky edge - like the fish's fins, you can go ahead and click to manually mark the point, but for the most part, clicking isn't necessary. Think easy, relaxed, don't even hold the mouse button down just let the Magnetic Lasso find the edge on its own. Just keep gently guiding the cursor along the edge of the object. Use a higher number for higher contrast images.įrequency tells the Magnetic Lasso how often to mark a point. Use a low number for soft, low contrast images. Width tells the magnetic lasso just how far away in pixels to search for the edge.Įdge Contrast tells the lasso just how sharp a contrast to use in finding the edge. Note that you can adjust the settings for the Magnetic Lasso. Note that you do not need to hold the mouse button down as you guide the cursor along the edge.
I find I like to hold the cursor just a teensy weensy tiny bit above the outline of the image, and let it fall to the edge. As long as there is some contrast between the object and the background, the Magnetic Lasso will find the edge, and it will set "points" along the way as you guide it. Resist the temptation to click every couple millimeters. Slowly and gently guide the cursor along the edge of the object.
That will bring up the Lasso sub-menu.Ĭlick on a starting point in your image, at an edge of the object you want to select. If you only see the standard Lasso, click on the tiny arrow in the lower left corner by the Lasso icon. To try it out, first open the image file containing the object you want to select.Ĭlick on the Magnetic Lasso Tool. The Magnetic Lasso senses the edge of the object you are outlining, and snaps itself to that edge. I don't even try to use the standard Lasso.
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