Changes between Version 155 and Version 156 of Help/Styles/MapCSSImplementation

Timestamp:

2019-05-22T07:28:45+02:00 (7 years ago)

Author:

GerdP

Comment:

First attempt to document new operators ⊆,⊈,⊇, and ⊉

Help/Styles/MapCSSImplementation

@@ -380 +380 @@
 element of
 
-}}}
-{{{#!td align=left  valign=top    
-{{{
-#!mapcss
-node[amenity=parking] ∈ *[amenity=parking] {
+Matches when an object matches the right selector(s) contains at least one element which match the left selector(s).
+
+}}}
+{{{#!td align=left  valign=top    
+{{{
+#!mapcss
+*[amenity=parking] ∈ area[amenity=parking] {
   throwWarning: tr("{0} inside {1}", "amenity=parking", "amenity=parking");
 }
 }}}
+Finds areas with `amenity=parking` that contain at least one node or area with `amenity=parking`.
+Since r15064 this rule produces one warning for each element on the left when there are multiple matches.
+}}}
+|-------------------------------------------------------------------------------
+{{{#!td align=left  valign=top
+`⊆` ([http://www.fileformat.info/info/unicode/char/2286/index.htm U+2286], since r15102)
+}}}
+{{{#!td align=left  valign=top    
+Subset of or Equal To
+
+Synonym for `∈`. 
+}}}
+{{{#!td align=left  valign=top    
+{{{
+#!mapcss
+*[amenity=parking] ⊆ area[amenity=parking] {
+  throwWarning: tr("{0} inside {1}", "amenity=parking", "amenity=parking");
+}
+}}}
+
+}}}
+|-------------------------------------------------------------------------------
+{{{#!td align=left  valign=top
+`⊇` ([http://www.fileformat.info/info/unicode/char/2287/index.htm U+2287], since r15102)
+}}}
+{{{#!td align=left  valign=top    
+Superset of or Equal To
+
+Matches when an object matches the right selector(s) and is contained in one or more elements which match the left selectors.
+
+}}}
+{{{#!td align=left  valign=top    
+{{{
+#!mapcss
+area[amenity=parking] ⊇ *amenity=parking] 
+}}}
+finds nodes or areas with `amenity=parking` inside areas with `amenity=parking`. Slower than `⊆` and thus not useful in validator rules, but can be useful in the search dialog.
+
+}}}
+|-------------------------------------------------------------------------------
+{{{#!td align=left  valign=top
+`⊈` ([http://www.fileformat.info/info/unicode/char/2288/index.htm U+2288], since r15102)
+}}}
+{{{#!td align=left  valign=top    
+Neither a Subset of nor Equal To
+
+Matches when an object matches the right selector(s) and does not contain any element which matches the left selectors.
+
+}}}
+{{{#!td align=left  valign=top    
+{{{
+#!mapcss
+*[highway=street_lamp] ⊈ area[amenity=parking][lit=yes]
+}}}
+finds areas amenity=parking that have lit=yes but don't contain a lamp. 
+}}}
+|-------------------------------------------------------------------------------
+{{{#!td align=left  valign=top
+`⊉` ([http://www.fileformat.info/info/unicode/char/2289/index.htm U+2289], since r15102)
+}}}
+{{{#!td align=left  valign=top    
+Neither a Superset of nor Equal To
+
+Matches when an object matches the right selector(s) and is not contained in any area which matches the left selectors.
+
+}}}
+{{{#!td align=left  valign=top    
+{{{
+#!mapcss
+area[landuse=residential] ⊉ *[building]
+}}}
+finds buildings which are not inside any landuse=residential area. 
 }}}
 |-------------------------------------------------------------------------------