Am 30.11.2009 um 13:51 schrieb Felix Hartmann:

>> 
> So if I understand correctly, the only real possibility for merging, will be 
> before creating the routing?
> And as I understood this is really complex (won't be implemented soon, 
> because there are more important things to do). So for the while being the 
> merge-lines can only be considered very experimental.

For reference: I've already posted about this in the thread "[PATCH v1] Merge 
similar lines and ways".

You'll have to do the merging after the processing of the ways, but before the 
IMG file is created. As the current code creates the IMG file "on the fly" 
during processing, there is no "in between" available. I tried to collect all 
the (half) processed ways in a list, then do the merging and proceed with the 
processing later. But that turned out to be hard as well, because there is 
actually no good "in between" point. I didn't succeed in the end, the ways got 
merged just fine, but the routing broke every time. So yes, I think this is 
really complex.

Regards
Thilo

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