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There is another type of brush tool available to you on the tools palette. Press and hold on the brush tool, and the other option is the pencil tool. In order to show you that, I'm first going to make a mark with my regular brush tool because I want to point out the difference here. And the difference is when you choose pencil tools they generate non-anti aliased strokes, and the significance of that - you have very jagged edge. So we'll go ahead and zoom in to these different marks. And notice that with a brush tool, I'll go ahead and go back to my brush tool, and I'll choose brush tip dynamics, and I'll make the hardness set at a 100% - so it's the hardest edge brush tool available. And I'll go ahead and make a mark right underneath my pencil tool mark. Notice even at 100%, some of the edge pixels become semi-transparent, generating a slightly soft edge. Well the ironic effect to this is if you look at the mark pulled out all the way, it actually looks sharper with a slightly softer edge. If we zoom-in to these marks, you can see that the non-anti aliased effect mark will either lay down pixels at whatever opacity you had set 100% or not. So there is no intermediary pixels in my pencil tool mark. You might use this for editing images precisely for the World Wide Web, so that certain pixels are exactly a particular color and other pixels are unaffected. But generally when you are using brush tools in a more photo-realistic environment, you are probably always be choosing the brush tool. Some keyboard shortcuts that are helpful to remember are the bracket keys. The left bracket decreases your brush size, and the right bracket increases your brush size. And when you are using a brush tool, you can press any number key and it will go to that value of opacity. So I'm pressing the 2 for 20% opacity, 5 for 50% of opacity, and 0 for 100%. However if you are using airbrush mode, those values will affect the flow rate. So if I type in 4, I'm now using a flow rate of 40%. And if you type very quickly say 4-5 you can type in exactly a flow-rate % in this case 45%.
| Course: | Adobe Photoshop 7 |
| Author: | Andrew J. Hathaway |
| SKU: | 33329 |
| ISBN: | 1889347272 |
| Release Date: | 2002-09-05 |
| Duration: | 11 hrs / 152 lessons |
| Work Files: |
Yes |
| Captions: | No |
| Compatibility: |
Vista/XP/2000, OS X, Linux QuickTime 7, Flash 8 |