Translations:Sketcher BSplinePoleWeight/21/en

The term weight in FreeCAD is a bit misleading because in literature the factors $$P_{i}$$ are often called weights as well. FreeCAD's weights are something different. The idea of these weights is to modify the spline so that the different control points are "weighted". The idea is that a point with weight 2 should have twice as much influence than a point with weight 1. This is achieved by using this different formula to calculate the spline: