VRML file

	pgnplus080_1_a.wrl

Converted IGP file

	pgnplus080_1_a.igp		 857 Objects, 12640 Polygons ->   14 Polygons per Objects

	color merged file

	pgnplus080_1_a-merge.igp	   8 Objects, 12640 Polygons -> 1580 Polygons per Objects


Open GL Performance:

	3D Geometries with increased number of polygons per objects have 
	a better performance.
	A color merge, merges all objects with same color in one objects.
	In general the number of objects can be reduced dramatically.

////////////////////////////////
// LOD Choice
////////////////////////////////

LOD choice 	= 1
VRML file		pgnplus080_1_a.wrl
Converted IGP file	pgnplus080_1_a-LOD-1.igp	592 Objects, 3386 Polygons
			pgnplus080_1_a-LOD-1-merge.igp	  8 Objects, 3386 Polygons
LOD choice 	= 2
VRML file		pgnplus080_1_a.wrl
Converted IGP file	pgnplus080_1_a-LOD-2.igp	 21 Objects,  660 Polygons
			pgnplus080_1_a-LOD-2-merge.igp	  8 Objects,  660 Polygons
LOD choice 	= 3
VRML file		pgnplus080_1_a.wrl
Converted IGP file	pgnplus080_1_a-LOD-3.igp	  4 Objects,  660 Polygons
			pgnplus080_1_a-LOD-3-merge.igp	  3 Objects,  1668 Polygons
LOD choice 	= 4
VRML file		pgnplus080_1_a.wrl
Converted IGP file	pgnplus080_1_a-LOD-4.igp	  1 Objects,   12 Polygons
			pgnplus080_1_a-LOD-4-merge.igp	  1 Objects,   12 Polygons
