On Mon, Oct 15, 2012 at 10:58 PM, José Américo Gobbo
<[email protected]> wrote:
> Hi all,
> I've some problem to understand how I can build a specific brush set with
> size designed and fixed in pixels.
> Someone you can help me explain how is the formula for this?
> I know that the base size to have a logaritmic relation, but I don't had
> success to understand how it is calculated.
> Thanks,
> americo

log(pixelsize, e) -> mypaint brush radius value

where 'e' is the natural logarithm (
http://en.wikipedia.org/wiki/Natural_logarithm)

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