•Client submits GetMap
request to portrayal service
•"Enhanced"
request includes:
–URL
of 3rd-party WFS or WCS from which to get data
–URL
of Styled Layer Descriptor (SLD) document describing
how data are to be represented
•Response is map image for
display by simple client (e.g., web browser)
Portrayal
Services
Portrayal
Service
Service
WFS
Client
GetMap
Image
GetFeature
GML