WWJ Terrain & Mapserver

[zengelbert]

I am new to World Wind Java.
I have some high resolution .img file and .dat file elevation/terrain data. I am trying to add my own elevation to WWJ through the use of wms of MapServer (http://mapserver.org/). I have converted the .img file through the use of the gdal utilities to a .bil, .hdr, .hgt, .tif, etc, in an effort to get the elevation/terrain to display in WWJ.

I have changed the EarthMergedElevationModel.xml file to reflect my mapserver's GetCapabilities, GetMapURL, and LayerNames. But in the area of the elevation data the terrain is still flat.

Currently I have the MapServer's .map file displaying as such, and my EarthMergedElevationModel.xml.:

    NAME 'AGGA'
    DRIVER AGG/PNG
    MIMETYPE "image/png"
    IMAGEMODE RGBA
    EXTENSION "png"
    FORMATOPTION "INTERLACE=OFF"
    ...
LAYER
    NAME myElevationLayerName
    TYPE RASTER
    STATUS ON
    DATA "C:\myElevationLayerName.bil"
    DUMP TRUE
    METADATA
      WMS_TITLE "myElevationLayerName"
      WMS_ABSTRACT "myElevationLayerName"
      WMS_SRS "EPSG:4326"
    END
  PROCESSING "CLOSE_CONNECTION=DEFER"
  END

<DisplayName>Earth Elevation Model</DisplayName>
        <Service serviceName="OGC:WMS" version="1.3">
            <GetCapabilitiesURL>http://myMapserverLocation/cgi-bin/mapserv.exe</GetCapabilitiesURL>
            <GetMapURL>http://myMapserverLocation/cgi-bin/mapserv.exe</GetMapURL>
            <LayerNames>myElevationLayerName</LayerNames>
        </Service>
        <RetrievePropertiesFromService>true</RetrievePropertiesFromService>
        <LastUpdate>1241377491917</LastUpdate>
        <DataCacheName>Earth/mergedSRTMV1_bil_Test</DataCacheName>
        <ImageFormat>image/tiff</ImageFormat>
        <FormatSuffix>.tif</FormatSuffix>
        <ExtremeElevations min="-11000" max="8850">
            <FileName>config/SRTM30Plus_ExtremeElevations_5.bil</FileName>
        </ExtremeElevations>
        <NumLevels count="10" numEmpty="0"/>
        <TileOrigin>
            <LatLon units="degrees" latitude="-90" longitude="-180"/>
        </TileOrigin>
        <LevelZeroTileDelta>
            <LatLon units="degrees" latitude="20" longitude="20"/>
        </LevelZeroTileDelta>
        <TileSize>
            <Dimension width="150" height="150"/>
        </TileSize>
        <Sector>
            <SouthWest>
                <LatLon units="degrees" latitude="-90" longitude="-180"/>
            </SouthWest>
            <NorthEast>
                <LatLon units="degrees" latitude="90" longitude="180"/>
            </NorthEast>
        </Sector>
        <SectorResolutionLimit maxLevelNum="9">
            <Sector>
                <SouthWest>
                    <LatLon units="degrees" latitude="24" longitude="-125"/>
                </SouthWest>
                <NorthEast>
                    <LatLon units="degrees" latitude="50" longitude="-66.8"/>
                </NorthEast>
            </Sector>
        </SectorResolutionLimit>
        <SectorResolutionLimit maxLevelNum="9">
            <Sector>
                <SouthWest>
                    <LatLon units="degrees" latitude="18.5" longitude="-160.5"/>
                </SouthWest>
                <NorthEast>
                    <LatLon units="degrees" latitude="22.5" longitude="-154.5"/>
                </NorthEast>
            </Sector>
        </SectorResolutionLimit>
        <SectorResolutionLimit maxLevelNum="9">
            <Sector>
                <SouthWest>
                    <LatLon units="degrees" latitude="17.8" longitude="-67.4"/>
                </SouthWest>
                <NorthEast>
                    <LatLon units="degrees" latitude="18.7" longitude="-64.5"/>
                </NorthEast>
            </Sector>
        </SectorResolutionLimit>
        <SectorResolutionLimit maxLevelNum="9">
            <Sector>
                <SouthWest>
                    <LatLon units="degrees" latitude="48" longitude="-179.9"/>
                </SouthWest>
                <NorthEast>
                    <LatLon units="degrees" latitude="66" longitude="-128"/>
                </NorthEast>
            </Sector>
        </SectorResolutionLimit>
        <SectorResolutionLimit maxLevelNum="8">
            <Sector>
                <SouthWest>
                    <LatLon units="degrees" latitude="-54" longitude="-180"/>
                </SouthWest>
                <NorthEast>
                    <LatLon units="degrees" latitude="60" longitude="180"/>
                </NorthEast>
            </Sector>
        </SectorResolutionLimit>
        <SectorResolutionLimit maxLevelNum="4">
            <Sector>
                <SouthWest>
                    <LatLon units="degrees" latitude="-90" longitude="-180"/>
                </SouthWest>
                <NorthEast>
                    <LatLon units="degrees" latitude="90" longitude="180"/>
                </NorthEast>
            </Sector>
        </SectorResolutionLimit>
    </ElevationModel>
</ElevationModel>

Is there any tutorial for getting elevation/terrain data into WWJ from Mapserver? Do you have any ideas to how I can get my own elevation/terrain to display? Do I need to do anything on the MapServer side to display this terrain?

[patmurris]

Did you look at the "Server discussion" forum?
http://forum.worldwindcentral.com/forumdisplay.php?f=47

[zengelbert]

Ok, I have gotten the world wind java WMS server (http://builds.worldwind.arc.nasa.gov...oad_server.asp) with the instructions from (http://forum.worldwindcentral.com/sh...ad.php?t=21856), with the srtm30 elevation. This is correctly displaying the elevation/terrain for my srtm30 data.
I know that nasa worldwind wms servers elevation in the form of: SRTM 30, SRTM 3 v2 and v4.1, USGS NED, DTED 0/1/2.

I have tried to convert my terrain .img to a .tif, with the gdal_translate inIMG.img outTif.tif and then add it to the WEB-INF/config.xml as a ElevationUSGSNED:

<mapsource name="EarthElevation" title="EarthElevation">
		<description keywords="EarthElevation">EarthElevation</description>
		<root-dir>C:\WorldWindServer\wwdata\elevation</root-dir>
		<class>gov.nasa.worldwind.servers.wms.generators.CompoundElevationsGenerator</class>
		<property name="gov.nasa.worldwind.avkey.MissingDataFlag" value="-9999" />
		<property name="gov.nasa.worldwind.avkey.ElevationMinKey" value="-11000" />
		<property name="gov.nasa.worldwind.avkey.ElevationMaxKey" value="8850" />
	
		<mapsource name="srtm30" title="SRTM30 Plus">
			<description keywords="SRTM30 Elevation">SRTM30 Elevation Data</description>
			<root-dir>C:\WorldWindServer\wwdata\elevation\srtm30</root-dir>
			<class>gov.nasa.worldwind.servers.wms.generators.ElevationSrtm30</class>
			<property name="gov.nasa.worldwind.avkey.MissingDataFlag" value="-9999" />
			<scale-hint min="0.012" max="0.008333330" />
		</mapsource>
		
		<mapsource name="MyElevation" title="myElevation">
			<description keywords="Elevation">Elevation</description>
			<root-dir>C:\WorldWindServer\wwdata\elevation\outTif</root-dir>
			<class>gov.nasa.worldwind.servers.wms.generators.ElevationUSGSNED</class>
			<property name="gov.nasa.worldwind.avkey.MissingDataFlag" value="-9999" />
			<scale-hint min="0.004" max="0.00027777" />
		</mapsource>
    </mapsource>

But I get a Failed to initialize error Zero NED files found

C:\WorldWindServer>java -Xmx1024M -classpath .;WMS.jar;lib\worldwind.jar;lib\jog
l.jar;lib\gluegen-rt.jar;lib\activation.jar;lib\jaxb-impl.jar;lib\jsr173_1.0_api
.jar;lib\jaxb-api.jar -Djava.library.path=lib gov.nasa.worldwind.servers.wms.WMS
Server
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.Configuration logMessage
INFO: CONFIG: Falling back to default data file-store configuration file: WEB-IN
F/DataFileStore.xml
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.Configuration logMessage
INFO: CONFIG: Falling back to default data file-store filter: gov.nasa.worldwind
.servers.wms.WMSDataConfigurationFilter
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.Configuration logMessage
INFO: CONFIG: Falling back to default data configuration factory: gov.nasa.world
wind.servers.wms.BasicDataConfigurationFactory
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.Configuration logMessage
INFO: CONFIG: Falling back to default MapSource factory: gov.nasa.worldwind.serv
ers.wms.BasicMapSourceFactory
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.BasicMapRegistry doAdd
INFO: Initializing MapSource EarthElevation...
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.generators.CompoundElevati
onsGenerator initialize
INFO: CompoundElevationsGenerator:initialize(): started...
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.generators.CompoundElevati
onsGenerator initialize
INFO: CompoundElevationsGenerator:initialize( EarthElevation): status=Done!
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.BasicMapRegistry doAdd
INFO: Initializing MapSource srtm30...
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.BasicMapRegistry doAdd
INFO: Initializing MapSource MyElevation...
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.generators.ElevationUSGSNE
D initialize
SEVERE: Zero NED files found in C:\WorldWindServer\wwdata\elevation\outTif
Sep 9, 2009 3:46:33 PM gov.nasa.worldwind.servers.wms.BasicMapRegistry doAdd
SEVERE: Failed to initialize MapSource MyElevation; will not be used.

How do I convert my terrain .img file into one of these elevation formats? And how do add that to my WEB-INF/config.xml
Please help.

[zengelbert]

Just to update everyone that might be looking at this. To get this to work I converted my .img file to a .tif file format with the gdal_translate utility.

gdal_translate -a_srs EPSG:4326 “C:\data\dataIN.img” “C:\data\dataOUT.tif”

Then I used something similar to the ElevationSrtm30 class and server the elevation through the worldwind-wms server with the GetCapabilities of:
http://localhost:8085/elev?request=GetCapabilities
And this displayed the elevation that I needed.