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Corel Painter 11: Mastering Brushes takes a deep look into the variety of mark-making tools found within Corel Painter, a software application that allows you to create painterly images that look like they were made with natural (non-computerized) painting media. Through a comprehensive demonstration of different brushes, Corel Painter guru John Derry shows how to adjust multiple variants to achieve desired results. Just like an artist who holds a paintbrush or piece of chalk at a particular angle to create a specific mark, John demonstrates with both live action and within the application how to modify brush variants for maximum expressive impact. From bristle media to ink media, watercolor to utility media, he explains how to get the most out of this drawing and painting application. Exercise files accompany this course.
In terms of ink media, pens are probably at the top of the list in terms of a tool that utilizes ink. Pens can be used for precise line work, expressive calligraphy, finely-tuned artwork, writing, and on and on. The bulk of the pens in this category are so finely designed that there really isn't much need for adjustment in them. But one that stands out is the Leaky Pen. This pen actually is kind of not very cool and we're going to make it a little better and along with that you're going to see how to make several different adjustments that can be applied to many other tools throughout Painter as well.
So, let's get started. We're going to go to the Pens category and the pen I want to look at here is the Leaky Pen. Let's just take a look at what it does. When you draw with it, it creates a set of dots that are supposed to simulate a Leaky Pen. But it fails in a couple of ways. The primary one to me is the fact that every drop is exactly the same. I don't know about you, but I don't know of a Pen that does that. They are random and they are different sizes. So, we're going to go through the exercise of taking this pen and making some adjustments to it to make it a little bit more realistic than its current implementation and I'm going to Command or Ctrl+A and then hit Delete or Backspace, and the first thing we're going to do is look at the General palette.
Let's just see what we're dealing with here. So we're dealing with a circular dab. That's something we've taken into account before. Let's also open up the Size palette and we'll see that supposedly this brush is supposed to change size based on velocity, but let's see. I guess if I really draw fast I can make that happen, but it still has this issue of all of the drops being the same. Let's see if we can still use velocity, but in a more intelligent manner and also adjust the size of this brush so that it's not the same.
So the first thing we're going to do is go into the Expression palette for size and let's change this to Random and let's now take a look. Now to my eye that's much more like a real brush just from the fact that it's changing the size as it drips. That's how real dripping media tends to work. So we've corrected that. The next thing we're going to take a look at is in the Spacing palette and what you see here is something called Continuous Time Deposition.
It's a really fancy term. All it means is that when this is enabled, the brush is going to continually deposit paint or its dab on the surface. So, if I just click and hold this, eventually you can't even see it happening anymore but this brush is now continuously dripping. So when it's held in one spot, it's going to fill up with more and as I move around I get less, but we can improve on that as well. Remember how we looked at velocity. Why not use velocity to control the randomness in this brush? So that when it's sitting still one event is happening but when it's moving another behavior is happening.
So, I'm going to now close this up and go to the Random palette and there's a couple of things we can do here. One is I can widen the offset of these dabs from the actual stroke by increasing Jitter all the way. So this will just make it a little bit wider of field from it's actual stroke that we're drawing with. Now let's change this to velocity and I'm going to Command+A or Control+A, Backspace or Delete and now let's see what we get.
So now, we've got a brush that drips continuously, so the more I hold it in one spot, the more it's going to obliterate what's underneath of it. But as I draw faster, you can see how less randomness happens and all of the dots tend to stay right along that stroke or much more closer than it does when slow motion is happening and if you think of a dripping medium when you move quickly, it doesn't have much time to do a lot of wandering. So the fact that it stays closer to the center point of the stroke gives it a little bit more dynamic quality than we had before.
So, now we've got a brush that actually to my eye is a much better candidate for a dripping brush than the actual Leaky Pen that they showed before. So if you like this, you can either name it under a different name and save it or in my case, I'm just going to go ahead in here and just say set this as my default variant, because I really wouldn't have used the earlier variant in it's original state. This is much better and now I can get in and even play with different colors, if I want to, but this is a much more natural looking, more complex mark that's ultimately being made by all of the randomness in the deposition as well as the velocity.
So, what we've done in here is gone in and improved on an already existing pen.
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