[mkgmap-dev] 4179

Mon May 17 17:33:56 BST 2021

I think Gerd said that now those underlying roads/lines are merged for
level 1 and higher. He said to merge them until someone complains. Merging
as in reversing their direction so longer segments can be merged. All roads
that can be merged without changing direction are merged anyhow.
Allow-reverse-merge does not reverse lines that have an direction tag set,
or are listed in the option to exclude them (which sets direction for them).

Without allow reverse merge no roads are reversed at all. With it any
road that has no direction tag or oneway tag set will be reversed if it can
improve the merge length.

On Tue, 18 May 2021 at 00:27, Andrzej Popowski <popej at poczta.onet.pl> wrote:

> Hi Felix!
>
>  > If the main road is merged but the direction dependant road not - then
>  > at lower resolutions the DP filter will create a mess
>
> But direction dependent road are merged, aren't they?
>
>  > And because I have lots of overview - E.g. oneway arrows, oneway
>  > streets are loads, there is quite a difference in map size regarding
>  > oneway roads being merged from resolution 23 onwards or not.
>
> As I understand, dropping has-direction attribute will allow to merge
> roads with reversing (when option allow-reverse-merge is active). This
> means that you can get arrows in wrong direction. Is this acceptable?
>
> --
> Best regards,
> Andrzej
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>

-- 
Felix Hartman - Openmtbmap.org & VeloMap.org
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