It is possible but it's a two-step process within MapServer. It looks like so
(I think):
MAP
EXTENT [bbox of whole dataset]
LAYER
NAME 'myraster'
TYPE RASTER
STATUS OFF
... stuff to draw the raster ...
END
LAYER
NAME 'myfeature'
TYPE QUERY
Would this be feasible in a mapfile alone?
I pass in a url with a feature_id in it. Say:-
[URL TO MAP FILE]?feature_id=124
The map file uses a postgres query to retrieve the feature_id’s geometry as a
point and then clips a raster layer to a kilometre bounding box around the
point.
A single
