How to access following data using Luabind

Hello, 

I'm quite new to Luabind, I'm trying to access the following data 

polygons = {
				-- 3 "different" Trapezoidal polygons, 4 vertex (x,y) each.
			 	vertex = {
					{{1,0}, {1,10}, {21,30}, {25,35}},
					{{1,0}, {1,10}, {21,30}, {25,35}},
					{{1,0}, {1,10}, {21,30}, {25,35}},
				},
				-- 3 Colors ( R , G , B) one for each polygon
				color = {
					{1,0,0},
					{0,1,0},
					{0,0,1},
				}
}

it represents 3 "different" trapezoidal polygons, each one with a color.

In my Application, I have a C++ class "Trapezoid" that has a constructor that receives 8 floats (x1,y2 , x2, y2.... ) and a color.

Trapezoid::Trapezoid(x1, y1, x2, y2, x3, y3, x4, y4, Color3f color);

What would be the correct way to access this Lua script using luabind? I have been struggling all day.

Sorry if this is noobish, but haven't found any clear solutions for this ( most of the examples focus on executing functions, and more complex stuff )

What would you guys suggest  ?

Thanks!

_Nicolas

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