Quote Originally Posted by RobA View Post
Using the same Density map, here are more results:

Setting the density to 50% will make white only have a 50 chance of drawing. Here again with no jitter:
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And back at 100%, but with a jitter of 1. The jitter value is a scale of the spacing parameter, for randomly displacing the x&y directions, to get rid of the grid look:
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The scrip draws left to right and top to bottom, to work with isometric image brushes, like the trees posted:
Click image for larger version. 

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And using the "invert" check will invert the map (black = 100% chance and white = 0% chance):
Click image for larger version. 

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(cont...)
Is there any way to make it draw on another layer than the density map?