Here's a page that gives a good description of the concept:
http://graphicssoft.about.com/od/glossary/l/blspline.htm
Basically the line's curve is determined solely by the positions of the nodes, there's no tangent handles involved.
Here's a page that gives a good description of the concept:
http:// graphicssoft. about.com/ od/glossary/ l/blspline. htm
Basically the line's curve is determined solely by the positions of the
nodes, there's no tangent handles involved.