Adobe Photoshop 7 Tutorials
Brush Tools / Brush Control Parameters
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Subtitles of the Movie (Adobe Photoshop 7 / Brush Tools / Brush Control Parameters)
In order to talk about some of the many controls available to us in the brush's palette, I want to demonstrate how we could edit something such as the angle of my brush. I've created this particular squeezed down brush here, you can see that it's an oval shape. It's a very thin type of brush. And if I go ahead and make a mark, you can see the kind of mark it makes, very thin when I go on a vertical direction and thick in a horizontal direction. Well, let's go to my shape dynamics and I am going to talk about in this case the angle section, since it's an easy way to understand these parameters. The angle section has a slider for jitter and what we can do is we can add a jitter value. And what jitter does is it adds irregularity or randomness to this particular aspect of my brush - in this case it's adding some irregularity or randomness to the angle of my brush. So with our angle jitter set to zero, we get this kind of mark but of course I could increase this value and then you could see that my brush mark will be adding slightly different angles as I move across. And if we increase this value a lot, you can see the effect we get. So that's one feature that you'll see over and over again in these various sections on various brush controls. Another option I have is to tie this particular parameter, that is the angle of my brush, to some input device parameter. Currently it's set to off, and with it set to off it's always going to look at this value - my angle of 90 degrees. I'm going to go back to brush dynamics, and I am going to enable pen pressure, because I'm using a pressure sensitive tablet and stylus combination. So now with my angle set to pen pressure, if I press lightly I get the angle a very 90 degree angle. But if I begin to add pressure it will turn my brush angle a bit. I could also tie this to the tilt of my pen, since my pressure sensitive tablet and stylus combination supports tilt information. And if I had an airbrush stylus wheel, I could even use that value. Since I don't I am getting this warning icon indicating that I've chosen this input parameter, but since it's not available to me it wont be considered by Photoshop. If you choose initial direction, Photoshop will look at the first direction that you go in when you make a mark to create that angle. And notice I'll just change direction here. And if you choose direction, the angle will change based on direction that you move your cursor. And this of course is supported by a mouse. I'm going to clear those marks and talk about the last option we have available to us, the fade option. Fade will change direction based on a preset number of pixels. So if we choose 25, you can see that the first 25 pixel length will get a direction change and then it will stop changing directions every time you make that mark. We can increase this value say to 100-pixels and now as I make my mark across a 100-pixel distance, the direction will change, and then it will stop changing. So the point of this is that many of these controls have the ability to choose from various input parameters such as pen pressure or tilt or direction, as well as the ability to add randomness to that particular parameter. And the parameter of course I'm showing you is simply the angle of the brush mark that I am making.
Tutorial Information
| 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 |
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