B-spline_plotter

Plots a B-spline with a really ugly interface. to plot a B-Spline, one must write the components in this way in to the textarea(white spaces and empty lines are ignored):

1. The degree of B-spline

2. The number of Control Points

3. Knot sequence in 1 row

4. Control points, 1 point per row

Example:

	3 
	6

	0 0 0 0.5  1.5 2 2.9 3 3.5 3.5

	0 0 
	20 50 
	150 60 
	390 300
	50 400
	100 20