Hi David, On Tue, Jan 15, 2013 at 5:18 PM, David Revoy <[email protected]> wrote:
> I see the issue is with my brushkit , certainly because : > 1. I made those preset for my Intuos 4 M ( sensitive device , 2048 > pressure level ) > 2. I prefer 'firm' preset > 3. I paint with overlaying value rather than replacing them. > I'll try testing in this conditions your brushes. > > For me the range for pressure gain is a bit large... > > Yes, and it makes most of the preset not usable when pushing it to max > according your exemple attached . > Do you know at what value the actual pressure gain should be stopped ? > I've an idea... because Martin said something about to modify the values to 2 on Input Pen Graph ... perhaps the max factor in the gain factor is 2. Perhaps is useful to have a label to show the values on Quick Brush Settings slides while you modify them. > Well, works fine, but the is very important to have the feeling of the >> Revoy... >> > I'm affraid this is really relative. > But to give you an idea, you should be able with 'basic_digtal_brush' and > black color to express all the value in a single strokes , without forcing > to much at the end. > Ex : http://img715.imageshack.us/img715/897/selection029.jpg > Thats my own test to calibrate my pressure. I just see if I can paint this > range. > Good tip ... Another tip to understand the actual sensitivity of a brush... is to put the stylus at 90° and to draw something without forcing nothing ... is a bit difficult to make this but is possible using all two hands :) ... the unique pressure will be the natural weight of the stylus pen. I've did some tests in this way to understand how the conditions of Mypaint preferences are combined with the presets of libwacom, per example. > > In seven brushes is present always the ghost lines > > Not a surprise if pressure gain boost everything . The culpit is "opacity > multiply" ( try to play with the setting to see how it works ) > My brush presets use the "opacity multiply". I cut the opacity with a > curve to avoid ghost lines. > Thanks to this setting, I can fine tuning the tricky opacity of Mypaint > brushes. > Well, perhaps I have not been able to explain the ghostlines ... are always present only in 7 brushes before you apply any correction with gain factor. thanks americo
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