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<TITLE>RE: [UMN_MAPSERVER-USERS] GDAL raster access and shapepath</TITLE>
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<P><FONT SIZE=2>Some more information on this issue.</FONT>
</P>
<P><FONT SIZE=2>If we use GDAL to access a TIFF file, SHAPEPATH is used.</FONT>
<BR><FONT SIZE=2>If we use GDAL to access an ECW file, SHAPEPATH is not used!</FONT>
</P>
<P><FONT SIZE=2>How is this possible?</FONT>
</P>
<P><FONT SIZE=2>TIFF:</FONT>
<BR><FONT SIZE=2>[Thu May 18 12:01:18 2006] [error] [client 145.50.148.45] GDAL: GDALOpen(/data/geopakhuis/ahn_100/geogegevens/raster/landsdekkend/ahn_100.aux) succeeds as HFA.</FONT></P>
<P><FONT SIZE=2>[Thu May 18 12:01:18 2006] [error] [client 145.50.148.45]</FONT>
<BR><FONT SIZE=2>[Thu May 18 12:01:18 2006] [error] [client 145.50.148.45] GDAL: GDALClose(/data/geopakhuis/ahn_100/geogegevens/raster/landsdekkend/ahn_100.aux)</FONT></P>
<P><FONT SIZE=2>[Thu May 18 12:01:18 2006] [error] [client 145.50.148.45]</FONT>
<BR><FONT SIZE=2>[Thu May 18 12:01:18 2006] [error] [client 145.50.148.45] GDAL: GDALOpen(/data/geopakhuis/ahn_100/geogegevens/raster/landsdekkend/ahn_100.tif) succeeds as GTiff.</FONT></P>
<P><FONT SIZE=2>[Thu May 18 12:01:18 2006] [error] [client 145.50.148.45]</FONT>
<BR><FONT SIZE=2>[Thu May 18 12:01:18 2006] [error] [client 145.50.148.45] GDAL: GDALClose(/data/geopakhuis/ahn_100/geogegevens/raster/landsdekkend/ahn_100.tif)</FONT></P>
<P><FONT SIZE=2>[Thu May 18 12:01:18 2006] [error] [client 145.50.148.45]</FONT>
<BR><FONT SIZE=2>[Thu May 18 12:01:18 2006] [error] [client 145.50.148.45] GDAL: GDALDeregister_GTiff() called.</FONT>
</P>
<P><FONT SIZE=2>ECW:</FONT>
<BR><FONT SIZE=2>[Thu May 18 12:02:24 2006] [error] [client 145.50.148.45] Thu May 18 12:02:24 2006 - msDrawRaster(): Unable to access file. (ahn_100/geogegevens/raster/landsdekkend/ahn_100.ecw)</FONT></P>
<P><FONT SIZE=2>Best regards,</FONT>
<BR><FONT SIZE=2>Bart</FONT>
</P>
<P><FONT SIZE=2>-----Oorspronkelijk bericht-----</FONT>
<BR><FONT SIZE=2>Van: UMN MapServer Users List</FONT>
<BR><FONT SIZE=2>[<A HREF="mailto:MAPSERVER-USERS@LISTS.UMN.EDU">mailto:MAPSERVER-USERS@LISTS.UMN.EDU</A>]Namens Bart van den Eijnden</FONT>
<BR><FONT SIZE=2>(OSGIS)</FONT>
<BR><FONT SIZE=2>Verzonden: woensdag 17 mei 2006 15:41</FONT>
<BR><FONT SIZE=2>Aan: MAPSERVER-USERS@LISTS.UMN.EDU</FONT>
<BR><FONT SIZE=2>Onderwerp: [UMN_MAPSERVER-USERS] GDAL raster access and shapepath</FONT>
</P>
<BR>
<P><FONT SIZE=2>Hi list,</FONT>
</P>
<P><FONT SIZE=2>using Mapserver 4.8.3 and GDAL 1.3.2 we have a problem accessing an ECW</FONT>
<BR><FONT SIZE=2>file relative to the SHAPEPATH. If we use an absolute path in the DATA</FONT>
<BR><FONT SIZE=2>statement all works fine.</FONT>
</P>
<P><FONT SIZE=2>So:</FONT>
</P>
<P><FONT SIZE=2>MAP</FONT>
<BR><FONT SIZE=2> SHAPEPATH "/data/geopakhuis/"</FONT>
</P>
<P><FONT SIZE=2>and:</FONT>
</P>
<P><FONT SIZE=2>LAYER</FONT>
<BR><FONT SIZE=2> DATA "aerogrid_nl2005/Aerogrid_NL2005_40cm.ecw"</FONT>
</P>
<P><FONT SIZE=2>does not work (case 1), whereas</FONT>
<BR><FONT SIZE=2> DATA "/data/geopakhuis/erogrid_nl2005/Aerogrid_NL2005_40cm.ecw"</FONT>
</P>
<P><FONT SIZE=2>does work (case 2).</FONT>
</P>
<P><FONT SIZE=2>Attached the log after setting CPL_DEBUG to ON.</FONT>
</P>
<P><FONT SIZE=2>Case 1:</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:22:09 2006] [error] [client 145.50.39.34] Wed May 17</FONT>
<BR><FONT SIZE=2>15:22:09 2006 - msDrawRaster(): Unable to access file. (ae</FONT>
<BR><FONT SIZE=2>rogrid_nl2005/Aerogrid_NL2005_40cm.ecw)</FONT>
</P>
<P><FONT SIZE=2>Case 2:</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:23 2006] [error] [client 145.50.39.34] ECW:</FONT>
<BR><FONT SIZE=2>NCScbmOpenFileView(/data/geopakhuis/aerogrid_nl2005/Aerogrid_NL2</FONT>
<BR><FONT SIZE=2>005_40cm.ecw): eErr = 0</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:23 2006] [error] [client 145.50.39.34] ECW: FileInfo:</FONT>
<BR><FONT SIZE=2>SizeXY=690000,800000 Bands=3</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:23 2006] [error] [client 145.50.39.34] </FONT>
<BR><FONT SIZE=2>OriginXY=8000,624000 CellIncrementXY=0.4,-0.4</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:23 2006] [error] [client 145.50.39.34]</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:23 2006] [error] [client 145.50.39.34] ECW:</FONT>
<BR><FONT SIZE=2>projection=LOCAL, datum=WGS84</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:23 2006] [error] [client 145.50.39.34] GDAL:</FONT>
<BR><FONT SIZE=2>GDALOpen(/data/geopakhuis/aerogrid_nl2005/Aerogrid_NL2005_40cm.</FONT>
<BR><FONT SIZE=2>ecw) succeeds as ECW.</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:23 2006] [error] [client 145.50.39.34]</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:23 2006] [error] [client 145.50.39.34] ECWRasterBand:</FONT>
<BR><FONT SIZE=2>RasterIO(nXOff=270272,nYOff=279099,nXSize=9944,nYSize=</FONT>
<BR><FONT SIZE=2>5972 -> 750x450)</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:24 2006] [error] [client 145.50.39.34] ECWRasterBand:</FONT>
<BR><FONT SIZE=2>RasterIO(nXOff=270272,nYOff=279099,nXSize=9944,nYSize=</FONT>
<BR><FONT SIZE=2>5972 -> 750x450)</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:24 2006] [error] [client 145.50.39.34] ECWRasterBand:</FONT>
<BR><FONT SIZE=2>RasterIO(nXOff=270272,nYOff=279099,nXSize=9944,nYSize=</FONT>
<BR><FONT SIZE=2>5972 -> 750x450)</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:24 2006] [error] [client 145.50.39.34] GDAL:</FONT>
<BR><FONT SIZE=2>GDALClose(/data/geopakhuis/aerogrid_nl2005/Aerogrid_NL2005_40cm</FONT>
<BR><FONT SIZE=2>.ecw)</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:24 2006] [error] [client 145.50.39.34]</FONT>
<BR><FONT SIZE=2>[Wed May 17 15:21:24 2006] [error] [client 145.50.39.34] GDAL:</FONT>
<BR><FONT SIZE=2>GDALDeregister_GTiff() called.</FONT>
</P>
<P><FONT SIZE=2>Any ideas what could be wrong?</FONT>
</P>
<P><FONT SIZE=2>Best regards,</FONT>
<BR><FONT SIZE=2>Bart</FONT>
</P>
<BR>
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