there are bezier algo in the system Stef
On Nov 20, 2013, at 9:55 PM, kilon alios <kilon.al...@gmail.com> wrote: > yes I found the formula for straight lines and I was wondering what was the > one for bezier curves, so your reply could not have come a better moment. > Thanks I will study it and implement it. > > > On Wed, Nov 20, 2013 at 9:21 PM, Hilaire Fernandes > <hilaire.fernan...@gmail.com> wrote: > Hello, > > You may want to calculate the distance between the mouse position and > your path (I guess a bezier curve). Then given this distance and a > tolerance to zero you decide if the mouse position is more or less on > your path. Calculating the distance you will also get for free the place > where to add a point on your path. > > http://blog.gludion.com/2009/08/distance-to-quadratic-bezier-curve.html > > Hilaire > > > Le 14/11/2013 21:07, kilon alios a écrit : > > In order to do that I will have to check that the line passes through a > > specific pixel. Or to be more correct that the place that mouse has > > clicked is where my path passes through. How I do that ? Can Athens do > > that ? Can athens tell me which pixels my path passes through ? > > > > > -- > Dr. Geo http://drgeo.eu > > >
