"It seems to me that targeting alpha would be more effective to be sure the entire canvas gets covered. Though perhaps I'm not thinking correctly. Targeting white or targeting black for example may not stroke over the areas that are black or…"
"I can appreciate the last paragraph... that's why I have mentioned in the past the possibility of adding hover tool tips and such for new users especially which coul be disabled once you are confident enough with the software. I am also glad to…"
"No, I am not looking for a multitude of safety rails to hem me in. that's why I moved away from the iphone and the hassle of jailbreaking it... even though in some cases I preferred the apps. In the end, having to brute force the phone into…"
"Just to be clear, you are fully free to work with transparent layers and enable alpha drawing in your paint synthesizer presets. If you so desire to work that way in V4. Here's a tip to read very carefully before you go off and do…"
"I believe that V4 has options that let you specify that path start locations only occur in areas of the source image where the alpha channel is full on.
Look in the Path Start control panel in the Probability and Inhibitor controls there.
As far as…"
"Eric there are a number of settings that can be adjusted to have the brush hit white canvas only. Check out the various start probabilities, Path Application Probabilities and the Path End settings. Beyond those you can already paint on alpha to the…"