–Transaction (optional)
–LockFeature (optional)
Web
Feature Service (WFS)
•WFS
1.0: 2002-09
•Scope: storage &
retrieval of geographic
vector feature data (point/line/polygon)
vector feature data (point/line/polygon)
•XML data encoding
format:
Geography Markup Language (GML)
Geography Markup Language (GML)
•Filter
Specification: Restrict WFS
output based on user criteria
output based on user criteria
•Operations:
–GetCapabilities
–DescribeFeatureType
–GetFeature