Changes between Version 156 and Version 157 of Help/Styles/MapCSSImplementation

Timestamp:

2019-05-22T07:49:41+02:00 (7 years ago)

Author:

GerdP

Comment:

Add hints to use :closed2 with ⊈ and that ⊉ is likely to produce false positives

Help/Styles/MapCSSImplementation

@@ -442 +442 @@
 {{{
 #!mapcss
-*[highway=street_lamp] ⊈ area[amenity=parking][lit=yes]
+*[highway=street_lamp] ⊈ area:closed2[amenity=parking][lit=yes]
 }}}
 finds areas amenity=parking that have lit=yes but don't contain a lamp. 
+Always add `:closed2` to avoid false positives as unclosed areas never contain something.
 }}}
 |-------------------------------------------------------------------------------
@@ -461 +462 @@
 area[landuse=residential] ⊉ *[building]
 }}}
-finds buildings which are not inside any landuse=residential area. 
+finds buildings which are not inside any landuse=residential area. Note that this operator is likely to produce false positives 
+when you have `landuse=residential`areas which don't match `:closed2`.
 }}}
 |-------------------------------------------------------------------------------