Cosmetics: nicer use of coords API
Cosmetics: nicer use of coords API

We use BoundingBox::as_wkt() to build the surrounding rectangle for
the shade.

Signed-off-by: David Decotigny <ce9ed66d82df7ce028a8623498350e2fb4412132@maposmatic.org>

dittaeva/ocitysmap,ccnz/eqnz-ocitysmap,maposmatic/ocitysmap,maposmatic/ocitysmap,maposmatic/ocitysmap,dittaeva/ocitysmap