Get raster map from server
dynamically renders and retrieves a color or grayscale, geographically referenced,
raster map from the Web map services server, A
= getMap(server
,mapRequestURL
)server
, and stores
it in A
. Parameters in the URL,
mapRequestURL
, define the map. The
getMap
function also updates the
RequestURL
property of the server with
mapRequestURL
.
getMap
accesses the Internet to retrieve the map. Periodically, the
WMS server is unavailable. Retrieving the map can take several minutes.