Modify Curves tool box

Change a B-spline curve's attributes to the active B-spline curve settings.

“Clean up” curves with large numbers of control points.

Extend a B-spline curve.

Reverse the direction of an open B-spline curve or change the start of a closed B-spline curve.

Convert an element to a B-spline curve with the same shape.

Construct a blend curve between two elements.

Convert a B-spline curve to lines, a line string, a stream curve, arcs or points.

Flatten or project MicroStation curve type elements.

Deform a curve with restrictions.

Graphically and numerically evaluate the attributes of a B-spline curve at given locations on the curve.