Funcions in Geometry Predicates
-------------------------------

                 Key: GEOT-2044
                 URL: http://jira.codehaus.org/browse/GEOT-2044
             Project: GeoTools
          Issue Type: Improvement
    Affects Versions: 2.6-M0
            Reporter: Mauricio Pazos
             Fix For: 2.6-M0


TXT should interpret sentences like the following

CROSSES(centroid( the_geom ), BUFFER(LINESTRING (15 15, 20 20),10))

Additionally, the names of  geo operation will be compatible with geoapi filters
CQL
<geoop name> ::=   "EQUAL" | "DISJOINT" | "INTERSECT" | "TOUCH" | "CROSS" | 
"WITHIN" | "CONTAINS" | "OVERLAP"
in TXT 
<geoop name> ::=   "EQUALS" | "DISJOINT" | "INTERSECTS" | "TOUCHES" | "CROSSES" 
| "WITHIN" | "CONTAINS" | "OVERLAPS"

Finally, Expressions will be added in the grammar.




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