k3d/share/shaders/k3d_graphic_lines.sl:58:				float roughness_paint=0.2;
k3d/share/shaders/k3d_graphic_lines.sl:203:	}illumcolor_paint=(Ka_paint*ambient()+Kd_paint*diffuse(Nf_paint)+Ks_paint*specular(Nf_paint,V_paint,roughness_paint));
