[Tagging] Rio de la Plata edit war
Christoph Hormann
osm at imagico.de
Tue Aug 4 14:42:00 UTC 2020
On Tuesday 04 August 2020, Adam Franco wrote:
> It seems to me that the main underlying conflict is that (at least in
> the default Carto rendering on openstreetmap.org a few years ago) the
> Rio Plata was getting rendered as land at low-zooms and South America
> simply looks wrong when such a large water area is rendered as land.
>
> https://github.com/gravitystorm/openstreetmap-carto/issues/1604 is a
> very long issue thread [...]
That is old history.
OSM-Carto does not distinguish between rendering of riverbank polygons
and rendering of the water polygons created from the coastline data.
The only difference at the moment is that a (cartographically
counterproductive) way_area filtering is applied to the riverbank and
natural=water polygons. That has been reduced significantly earlier
this year in
https://github.com/gravitystorm/openstreetmap-carto/pull/4060
but still distorts rendering to some extent. It however is not relevant
for large riverbank polygons like we discuss here.
As i have said earlier in this discussion it would be highly desirable
for consistent mapping if we would actually distinguish different
waterbody classes in rendering. A change for that has been suggested
last October:
https://github.com/gravitystorm/openstreetmap-carto/pull/3930
was already merged but then reverted due to opposition from one of the
maintainers. There is a new suggestion to implement this:
https://github.com/gravitystorm/openstreetmap-carto/pull/4128
but it seems still contested. Getting this change merged and released
would go a long way towards mappers developing consensus on coastline
placement since it would provide feedback on the coastline position
without favoring a particular placement.
--
Christoph Hormann
http://www.imagico.de/
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