Erroneous Material on X3D and VRML output of Lines
We LOVE the X3D and VRML export!! :-)
but we found a bug... stil in 5.6.x :
the ISO specs say that lines are not lit/shaded, so diffuseColor is not used. The RGB Material should be output as emissiveColor for LineSets and PointSets
https://www.web3d.org/standards https://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/rendering.html#LineSet https://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/shape.html#Material