private void UpdateBranchFeatureChainages(double factor, double newLength)
{
branchFeatures.ForEach(bf => bf.Chainage = BranchFeature.SnapChainage(newLength, factor * bf.Chainage));
}
private void UpdateBranchFeatureOffsets(double factor)
{
branchFeatures.ForEach(bf => bf.Offset *= factor);
}