[mkgmap-dev] mergeroads branch

Thu Oct 3 17:42:34 BST 2013

Hi WanMil,

WanMil wrote
> The "type" tag is required for relations but not for ways and nodes. The 
> code makes it possible to remove if from the builtin-tags-list. In case 
> you want to inline the type tag I propose to change it to
> 
> if (elem instanceof Relation && "type".equals(key))
>    key = "type";
> else
>    key = keepTag(key, val);

ok, I understand. I did not try it, but I think this will help GC,
at least for the bin readers that store references to string
tables.

WanMil wrote
> By the way:
> keepTag inlines the key by retrieving the key from the usedTags set. Is 
> that faster than key.inline()? At least it prevents "real" inlining over 
> multiple threads?

In the past we did both, first inline() and then a call to keepTag. 
That was slower and required more mem. The inlining seems to be
very complex, maybe because it has to handle many more strings?

Gerd

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