Marco, Correct, these will just be regular WMS requests and GDAL will stitch them together. If you enable the cache, the images can be cached locally.
Mike -- Michael Smith RSGIS Center US Army Corps of Engineers On 4/18/10 3:04 PM, "DeDuikertjes" <[email protected]> wrote: > 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 >> >> >> _______________________________________________ mapserver-users mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/mapserver-users
