Surface Area Measure (Extended Gaussian Image):
Please EITHER choose a shape from the drop-down menu OR enter
an array of outer unit normals and facet areas of a target convex polyhedron
in the form "x1,y1,z1; x2,y2,z2; ...; xn,yn,zn" and "x1; x2; ...; xn".
Click here for more entry instructions.
You can enter mathematical expressions into the normals and areas box
using the operators -, +, *, /, and ^. Please separate each operator
and operand by a space.
Outer unit normals 
Facet areas 
Render reconstruction using WebGL (experimental)