This service surpports the intersection, union, cutout, overlay of two vector maps.
Operation:
overlay - Allows the user to overlay two vector maps.
Request Parameters:
ainputURL
URL of an input vector map
Default format: GML
Default type: line,area
binputURL
URL of another input vector map
Default format: GML
Default type: area
operator
option_operator defines features written to output vector
Options: and,or,not,xor
and : also known as 'intersection' in GIS
or : also known as 'union' in GIS (only for input type from avectorURL is area)
not : features from avectorURL not overlayed by features from bvectorURL
xor : features from either avectorURL or bvectorURL but not those from avectorURL overlayed by bvectorURL (only for input type from avectorURL is area)
