function data()
return {
	params = {
		map_color_alpha = {
			compressionAllowed = true,
			fileName = "streets/newross_large_median.tga",
			magFilter = "LINEAR",
			minFilter = "LINEAR_MIPMAP_LINEAR",
			mipmapAlphaScale = 0,
			type = "TWOD",
			wrapS = "REPEAT",
			wrapT = "CLAMP_TO_EDGE",
		},
		props = {
			coeffs = {
				1.0, 1.0, 0.42, 20.0, 
			},
		},
		polygon_offset = {
			factor = -4.0,
			units = -4.0
		},
	},
	type = "TRANSPARENT",	
}
end