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Let's talk about the magic wand tool which is yet another way to make selections in Photoshop CS3. You'll notice that if I click on the quick selection tool and hold my mouse down the old fashion magic wand tool is sitting under there and it's a little angry because the quick selection tool kind of stole its thunder. So I'm gonna choose the magic wand tool and this tool is based on this number right here called tolerance. Think of tolerance this way, the amount of colors that the tool will select based on similarities. For example we have dark blue, we have medium blue and we have light blue, the lower the tolerance the fewer of these colors its going to select. So I'm gonna make it 20 as it is now and click right here and you see that? It's only going to collect colors that are pretty much the same. So I'm going to now increase this number to 35 and I'm gonna click again, the same exact area, this time it increases its tolerance and now tries to grab more pixels. Now I'm going to bump this up to 70 and click again and now it tries to grab all the pixels in the image that are bluish. Now what I have to do is once again bump that up to a 100 and click and not only does it grab all the pixels but it starts to go into the reflections in the airplane itself. See it's going into the engine, it's going into the wing section and the tail section, it's going too far because we increased the number too high. Now that is the bad news about this tool. It's that pretty much every single image is gonna be different there is no right or wrong with the tolerance. You have to pretty much guess every single time. Now let's talk about this guy right here. We already know what anti alias is, its simply allows you to make a selection that has a little softness in it and gets rid of a very jaggy selection but continuous is very interesting. Because what it will is it will stay in one region. For example this part of the image has the tail here, kind of blocking off this chunk of blue with the wing, so if I click here it's gonna stay in this region. But if I want to click and go all over the place into different parts of the image that are cut off for example I have to turn this off. So before I do that let me just grab the uh pencil tool and I'm going to draw out a shape like this and I'll draw one out over here as well just to show you how this tool is gonna work. So once again I can click here and I can grab with just this area and as you see I have contiguous off so it jumped over this line. If I turn this back on it stays there, it stays there and it stays here. If I turn this off it jumps around and it goes around boundaries which is kind of cool. So once again the magic wand tool is useful for making selections of like color pixels and if you turn contiguous off or on you are able to stay in a boundary or jump around through out your image.
| Course: | Adobe Photoshop CS3 |
| Author: | Dwayne Ferguson |
| SKU: | 33782 |
| ISBN: | 1-933736-98-4 |
| Release Date: | 2007-08-02 |
| Duration: | 9 hrs / 161 lessons |
| Work Files: |
Yes |
| Captions: | No |
| Compatibility: |
Vista/XP/2000, OS X, Linux QuickTime 7, Flash 8 |