CQLQuery.fromJson constructor
Creates a query based on the the cql2-json
encoding of the
Common Query Language
(CQL2).
Parameters:
filter
: A filter expression as JSON Object conforming tocql2-json
to be applied when retrieving resources.filterCrs
: An optional coordinate reference system used by thefilter
expression. When not specified, WGS84 longitude / latitude is assumed.
NOTE: JSON data in filter
is not validated by this client-side
implementation (that is, it's sent to a server as-is).
Implementation
CQLQuery.fromJson(
Map<String, dynamic> filter, {
CoordRefSys? filterCrs,
}) : this._(
json.encode(filter),
filterLang: filterLangCQL2Json,
filterCrs: filterCrs,
);