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import internal lane shapes from OpenDRIVE #4331
Hmm. Your change is almost the same as what I did locally. However, this solution is highly dependent on the fact that the connecting road geometry is precisely connected at the start/end point with the incoming road or outgoing road which is not always guaranteed according to the OpenDrive files I tested.
Yes. The internal lane shape has to be taken into account when defining the edge and junction geometry.
I see at least two options to deal with pre-defined internal lane geometries:
The answer should depend on the quality of junction shapes that can be achieved with option a) In the past I had some networks were that did not look feasible. Option b) seems safer in this regard but it could also lead to the loss of useful information.
I think b) should be implemented first and a) should be implemented as an option at a later time.