Posted: 22 Jan 03
This article describes the vertical spatial grid and a method for estimating curve length in 3D from total vertical projections.
Posted: 21 Jan 03
This article covers curve length in 3D (by extending Buffon's needle), as well as surface density and surface area estimation (from IUR, vertical and exhaustive vertical sections).
Posted: 20 Jan 03
This article covers area and volume estimation, as well as Buffon's needle and the equation of Steinhaus for measuring the length of a curve.