Can i exclude the district borders extending on ocean in admin_level 5?

Question

Remove the extending border line on to the ocean

https://www.openstreetmap.org/#map=10/19.0751/84.7726&layers=N

This is how i form layer

<Layer name="admin-5678" status="on" srs="&osm2pgsql_projection;">
    <StyleName>admin-5678</StyleName>
    <Datasource>
      <Parameter name="table">
      (select way,admin_level
       from &prefix;_roads
       where "boundary"='administrative'
         and admin_level='5'
       ) as admin</Parameter>
      &datasource-settings;
    </Datasource>
</Layer>

Answer 1

3

You will need to rewrite your stylesheet to either:

Filter out borders with boundary_type=territorial_waters and maritime=yes, or
Render ocean areas above boundaries, not below them.

permanent link

answered 22 Jun '16, 15:12

Richard ♦
30.9k●44●279●412
accept rate: 18%

i dont have a key called boundary_type and maritime in my planet_osm_roads table.

(06 Jul '16, 11:13) ZMapTeam

Richard's referring to values in the OSM data here, not in the imported rendering database. One option you have is to use lua tag transforms with osm2pgsql to convert values or remove things that you don't want to see:

https://github.com/openstreetmap/osm2pgsql/blob/master/docs/lua.md

Here, for example is how I remove all admin boundaries for use in a map style that I created for my own use:

https://github.com/SomeoneElseOSM/SomeoneElse-style/blob/master/style.lua#L359

Of course, you'd need to look at the data in OSM to make sure that it has tags that you can use for filtering.

(06 Jul '16, 11:28) SomeoneElse ♦

Can i exclude the district borders extending on ocean in admin_level 5?

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