FEBRUARY 19, 2004
Synthetik Studio Artist 3.0
Paint, rotoscoping and animation suite
by David Nagel
Page 3 of 10

ParticlePaint brushes
Like Multipen brushes (see below), ParticlePaint brushes use multiple nibs to accomplish their effects. They can accept any kinds of parameters you'd care to apply to them, but the nibs, rather than following the stroke of the brush precisely, break off from the primary path, either by preset path divergence techniques (such as blooming out from the origin) or by following the contours of the source image.[an error occurred while processing this directive]

ParticlePaint brushes also include their own unique set of parameters to affect the ways in which the particle behave, including the number of particles, swarming, attraction/repulsion and other settings.



Region-based brushes
There are several brushes that operate on a defined region of the canvas as well. For example, you can manually draw a region using various selection shapes, either pre-defined (ellipses, triangles, rectangles, etc.) or free hand using the Lasso tool. These regions will then be willed by multiple strokes of the brush you've selected based on the fill algorithm you've selected (outline, crosshatch, bull's eye fill, etc.).



Or you can use the new Region Fill as Brush mode, which fills your specified region (drawn with the Lasso tool or other selection tools) with the texture of the brush, rather than strokes from the brush. And there's also the new Auto Region Fill as Brush, which regionizes your source image on the fly and then also fills the regions with the texture of the brush, rather than the strokes of the brush. The example below show the Auto Region Fill as Brush mode using a flat-textured brush to create a disjointed, vector-style image from the source image.



Multipen brushes
We've already discussed the Multipen brushes a little bit. These brushes cross over with some of the other categories but should get some mention of their own. Multipens are brushes that contain multiple nibs of the brush that you're using, and, as such, can bring some additional texture into your image. They're also good for creating brushes with an impasto quality, such as the ones in the example below.



And they can be used to create bizarre effects, since you can modulate so many of their parameters.



Like ParticlePaint and Region Fill brushes, Multipens have their own special palette for modulating parameters unique to their category, such as the pattern of the nibs, the spread, angle, weave, etc.



Multipens are available in three varieties: Interactive, Autodraw and Region Draw.

There are other types of brushes as well, but we've covered the major ones. It should be noted also that all brushes, regardless of configuration or base type, can be drawn with or without paths. Using paths, of course, will allow you to manipulate anything you've draw, but they will also allow you to keyframe strokes easily for times when you want to create path-based animations. (More on animation later.)



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