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Move to group-by for bridge layers #3

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gravitystorm opened this Issue December 04, 2012 · 1 comment

2 participants

Andy Allan math1985
Andy Allan

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

Fixed in 43ff3b2, this issue can be closed.

Andy Allan gravitystorm closed this December 09, 2013
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