Rwrite SURF drawing
Rwrite SURF drawing

Do it in two loops.
First used to count all faces and line segments, 
second loop used for geometry building. 
Required for more comple SURF draw options.

bellenot/jsroot,linev/jsroot,root-project/jsroot,linev/jsroot,root-project/jsroot,bellenot/jsroot,bellenot/jsroot