Question

how is polygonal lasso tool different from the magnetic lasso tool?​

Answer 1

Answer:

If someone told you there's a selection tool in Photoshop that can select an object in a photo with 100% accuracy and all you have to do is drag a loose, lazy outline around the object with your mouse, would you believe them? No? Good for you. That person is just messin' with your head.

But what if someone told you there's a selection tool that can select an object with, say, 80-90% accuracy and all you have to do is drag that same lazy outline around it? Would you believe them now? Still no? Well, that's too bad, because there really is a selection tool like that. It's called the Magnetic Lasso Tool, and with a little practice and a basic understanding of how it works, not only will you be a believer, but you just may find yourself hopelessly attracted to it.

The Magnetic Lasso Tool is one of three lasso tools in Photoshop. We've already looked at the first two - the standard Lasso Tool and the Polygonal Lasso Tool - in previous tutorials. Like the Polygonal Lasso Tool, the Magnetic Lasso Tool can be found nested behind the standard Lasso Tool in the Tools panel. To access it, click and hold your mouse button down on the Lasso Tool until a fly-out menu appears

Explanation:

Photoshop's Polygonal Lasso Tool, another of its basic selections tools, is a bit like a cross between the Rectangular Marquee Tool and the standard Lasso Tool, both of which we looked at in previous tutorials. It allows us to easily draw freeform selection outlines based on straight-sided polygonal shapes. But while the Rectangular Marquee Tool limits us to drawing 4-sided polygons (rectangles or squares), the Polygonal Lasso Tool lets us draw as many sides as we need, with as much freedom as the Lasso Tool gives us to move in any direction we need!

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