LaGriT Example: Compute Median Point of Tri, Quad, Hex, Tet and Color By Median Value 

hex_median_x	quad_median_x	tet_median_x	tet_median_y
tet_median_z	tri_median_x

input.lgi

*--* ex_median_points
*--* Header Begin
*--* LAGriT Example Input file
* Carl Gable
* gable -at- lanl -dot- gov
*
*
*--*----------------------------------------------------
*--*
*--* Compute the median points of quad, tri, hex, tet
*--* elements.
*--*
*--*----------------------------------------------------
*--* Header End
*--* ex_median