[mapserver-users] How to render raster data using Oracle Georaster?

xxj 2001xxj at gmail.com
Mon Jan 4 10:52:26 EST 2010


Could anybody help me about this issue? :-)

Thanks,

xxj

xxj wrote:
> 
> Hi folks,
> 
> Is Oracle Georaster supported by MapServer?
> 
> I am using MapServer5.6.0 and can render vector data using Oracle
> successfully. But when I was trying raster data using Oracle database, the
> following errors happens.
> 
> Errors:
> 
> <?xml version='1.0' encoding="ISO-8859-1" standalone="no" ?>
> <!DOCTYPE ServiceExceptionReport SYSTEM
> "http://schemas.opengis.net/wms/1.1.1/exception_1_1_1.dtd">
> <ServiceExceptionReport version="1.1.1">
> <ServiceException>
> msDrawMap(): Image handling error. Failed to draw layer named
> &#39;bluemarble&#39;.
> msDrawRaster(): Unable to access file.
> georaster:wz/wz at orclat18,sf_rasters,georaster,georid=101 using full path
> georaster:wz/wz at orclat18,sf_rasters,georaster,georid=101
> </ServiceException>
> </ServiceExceptionReport>
> 
> My layer definition in mapfile is as following:
> 
> LAYER
>     NAME bluemarble
>     TYPE raster
>     STATUS ON
>     #CONNECTIONTYPE oraclespatial
>     #CONNECTION "wz/wz at orclat18"
>     #DATA "geor:wz/wz at orclat18,student_rdt_01,id=1" 
>     DATA "georaster:wz/wz at orclat18,sf_rasters,georaster,georid=101"
>     #DATA drgncimq1926.tif
>     #DATA "georaster from sf_rasters using srid 8307" 
>     #DATA "GEOR:temporary.vrt"
>     CLASS
>       EXPRESSION ([pixel] >= 0 AND [pixel] <= 1000)
>       STYLE
>         COLOR 255 0 0
>       END
>     END
>     METADATA
>       WMS_TITLE "bluemarble"
>       WMS_ABSTRACT "bluemarble."
>       WMS_SRS "EPSG:4326"
>     END
> END
> 
> I am very sure that GDAL and GeoRaster are compiled into MapServer and
> well configured for the belows are the output about them.
> 
> Output of mapserv:
> 
> [oracle at ts cgi-bin]$ ./mapserv -v
> ./mapserv: /usr/lib/libxml2.so.2: no version information available
> (required by ./mapserv)
> MapServer version 5.6.0 OUTPUT=GIF OUTPUT=PNG OUTPUT=WBMP OUTPUT=SVG
> SUPPORTS=PROJ SUPPORTS=AGG SUPPORTS=FREETYPE SUPPORTS=ICONV
> SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER
> SUPPORTS=WCS_SERVER INPUT=EPPL7 INPUT=ORACLESPATIAL INPUT=OGR INPUT=GDAL
> INPUT=SHAPEFILE
> 
> Output of gdal_translate:
> 
> [oracle at ts cgi-bin]$ gdal_translate |grep Geo
>   GTiff: GeoTIFF
>   GeoRaster: Oracle Spatial GeoRaster
> 
> I have ever tried to confirm that if gdal is OK by executing the command
> of 
> "gdal_translate -of gtiff
> geor:wz/wz at orclat18,sf_rasters,georaster,georid=101 bluemarble.tiff
> -outsize 100% 100%"
>  in the command line. And found it's OK, the expected picture file was
> returned.
> 
> I am so confused by the errors above now! So I wonder how to render raster
> data with Oracle and GDAL on MapServer?
> 
> Thanks!
> 
> 

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