Michael,
Thank you.
Do I understand correctly that this GDAL WMS Minidriver with this xml
file for a given map area (bounding box) will do a series of "normal"
WMS requests (as opposed to "tiled" WMS requests) to the server to
obtain a set of tiles which will be stitched together and incorporated
in the map?
MArco
Smith, Michael ERDC-CRREL-NH schreef:
Marco,
To use the GDAL WMS Minidriver, create an XML file like below and then
reference that xml file in your MapServer layer. For more info about the
format of the WMS xml, see here http://www.gdal.org/frmt_wms.html
Example xml
-----------
<GDAL_WMS>
<Service name="WMS">
<Version>1.1.1</Version>
<ServerUrl>http://hazards.fema.gov/wmsconnector/wmsconnector/com.esri.wms.E
srimap/NFHL?transparent=true&</ServerUrl>
<SRS>EPSG:4326</SRS>
<Layers>Flood_Hazard_Zones_General</Layers>
<Styles>default</Styles>
<ImageFormat>image/gif</ImageFormat>
</Service>
<DataWindow>
<UpperLeftX>-180.0</UpperLeftX>
<UpperLeftY>90.0</UpperLeftY>
<LowerRightX>180.0</LowerRightX>
<LowerRightY>-90.0</LowerRightY>
<TileLevel>19</TileLevel>
<TileCountX>2</TileCountX>
<TileCountY>1</TileCountY>
</DataWindow>
<Projection>EPSG:4326</Projection>
<BlockSizeX>1024</BlockSizeX>
<BlockSizeY>1024</BlockSizeY>
<BandsCount>3</BandsCount>
<Cache>
<Path>/htdocs/orm/gdalwmscache</Path>
<Depth>2</Depth>
<Extension>.gif</Extension>
</Cache>
<AdviseRead>true</AdviseRead>
<VerifyAdviseRead>true</VerifyAdviseRead>
</GDAL_WMS>
----------------
Mapfile section
---------------
LAYER
NAME femaq3
DATA "/data/fema/fema_gen_wms.xml"
OFFSITE 255 255 255
TYPE raster
STATUS off
PROJECTION
"proj=latlong"
"ellps=GRS80"
END
CLASS
NAME "100 year floodplain"
SYMBOL 0
COLOR 255 0 0
END
CLASS
NAME "500 year floodplain"
SYMBOL 0
COLOR 255 192 203
END
END
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