thanks karl and svetlin... solved!
On Mar 21, 5:14 pm, sunncho <[email protected]> wrote: > Hi Peter, > with your tangent vector your can use a plane which uses the tangent > vector as Z Axis. > And afterwords you can use the X or Y vector of the plane to construct > your line... > > http://groups.google.com/group/grasshopper3d/web/line%20perpendicular... > > here is an example file > > Best > Svetlin > > On 21 mar, 17:36, "[email protected]" > > <[email protected]> wrote: > > Hi, > > > I would like to devide a given curve into a number of segments and > > then put a line at each of those division points which is perpidicular > > to the curve at that point. > > > here is what I did : > > devide curve and put line with tangent vector from the division point. > > Then I rotated the line by 90degree around the point. does not quite > > work... > > any ideas what is wrong or different approach?!? > > > thanks, > > > Peter
