Move to group-by for bridge layers #3

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gravitystorm opened this Issue Dec 4, 2012 · 1 comment

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@gravitystorm
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group-by is a layer property released in v2.1 of mapnik.

It'll cut down all the repetition, in both layer definitions and the output xml, for the bridges layers. If it works well, it could be expanded to stack all the non-bridge layers properly too.

See https://github.com/mapnik/mapnik/wiki/Grouped-rendering

It's supported (but not documented) in CartoCSS by using the "properties" of a layer definition.

@math1985
Collaborator
math1985 commented Dec 9, 2013

Fixed in 43ff3b2, this issue can be closed.

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