[mkgmap-dev] tag values of relations and tag values of its members

Fri Sep 10 21:35:14 BST 2010

Marko Mäkelä schrieb am 10.09.2010 22:12:
> I implemented the $(variable_name) syntax some time ago, to get bus 
> route relations translated properly. An excerpt from --style=routes:
> 
> [relations file]
> type=route & ... {
>    apply { set mkgmap:route='$(mkgmap:route),${ref}' | '${ref}' }
> }
> [lines file]
> highway=* & mkgmap:route=* { name '${mkgmap:route}' } [0x1d resolution 16]
> 
> Note that in the apply rule, the $(mkgmap:route) is referring to an 
> attribute of the relation member, and the ${ref} is referring to an 
> attribute of the relation.

Thank you very much, that was the information I was mainly looking for.

I will add this information also on the style rules page in the Wiki.

> What I would like to see is "apply" sorted by some criterion, and the 
> possibility to filter out duplicates, for example, when the same way is 
> part of opposite-direction bus route relations. (Opposing bus routes of 
> the same line can consist of oneway segments as well as shared 
> non-oneway segments. Now I will see "742,742" on the non-oneways and 
> just "742" on the oneways.)

Is there any way to check for the role of the member inside the style rules?

Gruss
Torsten