- normalized at [0.0,1.0]. The whole range of geometry can be
- divided into sub-ranges with their own spacing formulas to apply;
- \a t varies between 0.0 and 1.0 within each sub-range. \b Insert button
+ normalized at [0.0,1.0]. <em>f(t)</em> must be non-negative
+ at 0. <= \a t <= 1. The whole extent of geometry can be
+ divided into ranges with their own spacing formulas to apply;
+ \a t varies between 0.0 and 1.0 within each \b Range. \b Insert button