Dear all,
I had some problem to visualize a GRID ESRI, but it was
solved passing through a geodatabase, importing the GRID
and extracting like other type of raster (img raster in my
case).
The layer was correctly visualized in the map.
But at this level I want to check two points:
- if I have a DEM for example (resolution 1 meter) and I
want to visualize it with this same resolution, how I can
define the class and the the style? The range of height
goes from 900 m to 1324 m, but I can not create a class
for every meter! Is there a way to represent in continous
this range in the map?
- for the query on this layer, I proceed in this way: I
have an .img image raster and an associated table with a
field "VALUE" with height value, "COUNT" with number of
pixel and "OGC_FID", created for the metadata necessary
for query.
This is a part of the table:
VALUE COUNT OGC_FID
900 4073 0
901 13132 1
902 7475 2
... .... ...
And this is a part of the mapfile referred to query on
raster:
LAYER
NAME "DEM"
TYPE raster
DATA "rrdd33_id"
TEMPLATE "ttt"
METADATA
"id_attribute_string" "OGC_FID|string"
"query_returned_attributes" "VALUE"
END
...
thanks
Simone
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