From 98be0748500aa985db006606662c5ca21e4954a4 Mon Sep 17 00:00:00 2001 From: Lukas Martinelli Date: Thu, 5 Jan 2017 16:26:40 +0100 Subject: [PATCH] Improve waterway docs --- layers/waterway/waterway.yaml | 20 +++++++++++--------- 1 file changed, 11 insertions(+), 9 deletions(-) diff --git a/layers/waterway/waterway.yaml b/layers/waterway/waterway.yaml index 187a329..d52c443 100644 --- a/layers/waterway/waterway.yaml +++ b/layers/waterway/waterway.yaml @@ -1,22 +1,24 @@ layer: id: "waterway" description: | - Rivers based of OpenStreetMap [waterways](http://wiki.openstreetmap.org/wiki/Waterways) for *z9* to *z14* - and Natural Earth rivers and lake centerlines from *z3* to *z8*. + OpenStreetMap [waterways](http://wiki.openstreetmap.org/wiki/Waterways) for higher zoom levels + and Natural Earth rivers and lake centerlines for low zoom levels. Linestrings without a name or which are too short are filtered out at low zoom levels. Waterways do no not have a `subclass` field. buffer_size: 4 fields: name: | The OSM [`name`](http://wiki.openstreetmap.org/wiki/Key:name) value of the waterway. - The `name` field is empty for NaturalEarth data until **z9** when OSM data is used. - class: | + The `name` field may be empty for NaturalEarth data or at lower zoom levels. + class: + description: | The original value of the [`waterway`](http://wiki.openstreetmap.org/wiki/Key:waterway) tag. - Can be one of [`stream`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Dstream), - [`river`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Driver), - [`canal`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Dcanal), - [`drain`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Ddrain), - [`ditch`](http://wiki.openstreetmap.org/wiki/Tag:waterway%3Dditch)`. + values: + - stream + - river + - canal + - drain + - ditch datasource: geometry_field: geometry query: (SELECT geometry, name, class FROM layer_waterway(!bbox!, z(!scale_denominator!))) AS t