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mapnik / mapnik-support

Use the issues queue here to ask questions and offer help on using Mapnik (maybe if this works well we can retire the mailing list at http://mapnik.org/contact/?)
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Symbolizer that fills everything? #151

Open zdila opened 1 year ago

zdila commented 1 year ago

For compositing operations (comp-op) I would like to have a symbolizer that fills the whole map. So far I am working it around using PolygonSymbolizer with inline geojson polygon and +init=epsg:4326 srs 

{
  "type": "Polygon",
  "coordinates": [
    [[-180, -90], [-180, 90], [180, 90], [180, -90], [-180, -90]]
  ]
}

Unfortunately it doesn't play well with different srs in Map (for exmaple +init=epsg:3035). My app uses parameterized srs so I can't hardcode this polygon.

Is there a way to solve it nicely?