Hi,
I am struggling with the MBStyle extension. I only want to use it to
filter the data from the database to reduce the size of the delivered
vector tiles.
Therefore i copy the style from the client to geoserver and apply it to
the data source layers, so that no unnecessary data is transferred.
The idea works fine, if i only have a single layer in the style document.
But when i use multiple layers, strange things happen.
It may happen that data ist not filtered, even if there is a filter
applied to a layer. But the most important thing is that data is not
delivered at all, if it is not listed at the top of the layers array
(which should, as the spec says, be the bottom layer of my map).
The attached example has the behaviour that the roads layer is not
served (buildings work). If i remove the buildings layer, roads layer
starts to work.
If i move the roads layer on top of the buildings layer, the roads layer
works. If i set the "visible" property of the buildings layer to
"hidden", the roads layer work.
To conclude, it seems the the extension can only handle a single layer
properly, or am i doing something terribly wrong?
Thanks for ideas and answers,
Johannes
{
"version": 8,
"name": "Empty Style",
"metadata": {"maputnik:renderer": "mbgljs"},
"center": [50.73926, 7.11514],
"zoom": 14,
"sources": {
...
},
"sprite": "",
"glyphs":
"https://orangemug.github.io/font-glyphs/glyphs/{fontstack}/{range}.pbf";,
"layers": [
{
"id": "buildings",
"type": "fill",
"source": "buildings",
"source-layer": "vector_osm_buildings",
"minzoom": 22,
"maxzoom": 24,
"layout": {"visibility": "visible"},
"paint": {
"fill-color": {
"stops": [
[11, "rgba(210, 208, 208, 0)"],
[19, "rgba(203, 203, 203, 1)"]
]
},
"fill-outline-color": {
"stops": [
[10, "rgba(189, 189, 189, 0)"],
[19, "rgba(189, 189, 189, 1)"]
]
},
"fill-opacity": 0.5
}
},
{
"id": "roads outline",
"type": "line",
"source": "roads",
"source-layer": "vector_osm_roads",
"minzoom": 11,
"maxzoom": 24,
"filter": [
"any",
[
"in",
"type",
"primary",
"secondary",
"tertiary",
"residential",
"unclassified"
]
],
"layout": {
"visibility": "visible",
"line-cap": "round",
"line-join": "miter"
},
"paint": {
"line-color": "rgba(61, 61, 61, 1)",
"line-blur": 1,
"line-width": 3,
"line-opacity": {"stops": [[11, 0], [19, 1]]}
}
},
],
"id": "7v910ggmu"
}
--
Dipl.-Geogr. Johannes Weskamm
— Anwendungsentwickler —
terrestris GmbH & Co. KG
Kölnstraße 99
53111 Bonn
Tel: +49 (0)228 / 96 28 99 -51
Fax: +49 (0)228 / 96 28 99 -57
Email: wesk...@terrestris.de
Web: https://www.terrestris.de
Amtsgericht Bonn, HRA 6835
Komplementärin: terrestris Verwaltungsgesellschaft mbH
vertreten durch: Torsten Brassat, Marc Jansen
Informationen über Ihre gespeicherten Daten finden Sie auf
unserer Homepage unter folgendem Link:
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