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<p class="MsoNormal"><span lang="EN-US">Hello and Happy New Year<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I started playing (learning) with the WMS driver and wrote a couple of Julia functions to use it that work well … some times.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">If I use the “<a href="http://tiles.maps.eox.at/wms">http://tiles.maps.eox.at/wms</a>?” service I can get images from there but it already starts to feel strange the image resolution reported<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">But when I try one example used by the Matlab docs,
<a href="http://svs.gsfc.nasa.gov/cgi-bin/wms?">http://svs.gsfc.nasa.gov/cgi-bin/wms?</a> Then nothing works<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">First list the layers<o:p></o:p></span></p>
<p class="MsoNormal">gdalinfo <span lang="EN-US"><a href="http://svs.gsfc.nasa.gov/cgi-bin/wms?"><span lang="PT">http://svs.gsfc.nasa.gov/cgi-bin/wms?</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Then try to download one<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">gdal_translate -of PNG "WMS:http://svs.gsfc.nasa.gov/cgi-bin/wms?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&LAYERS=3170_21483_bg&CRS=CRS:84&BBOX=-180.0,-90.0,180.0,90.0&TRANSPARENT=FALSE" -outsize 2048 512 out.png<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Input file size is 1073741824, 536870912<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: GDALWMS: The server returned exception code 'InvalidSize': WIDTH is invalid for layer. Should be 922.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: GDALWMS: The server returned exception code 'InvalidSize': HEIGHT is invalid for layer. Should be 461.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: GDALWMS: The server returned exception code 'InvalidFormat': FORMAT is invalid for layer. Should be image/png.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: GDALWMS: The server returned exception code 'InvalidBBOX': BBOX is invalid for layer. Should be [-180,-90,180,90]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: GDALWMS: The server returned exception code 'LayerNotDefined': Unable to find layer.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: IReadBlock failed at X offset 0, Y offset 0: GDALWMS: The server returned exception code 'LayerNotDefined': Unable to find layer.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">But if I do<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal">gdalinfo "WMS:http://svs.gsfc.nasa.gov/cgi-bin/wms?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&LAYERS=3170_21483_bg&CRS=CRS:84&BBOX=-180.0,-90.0,180.0,90.0&TRANSPARENT=FALSE"<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">it seems to work but note the reported sizes and unreasonable resolution.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Data axis to CRS axis mapping: 1,2<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Origin = (-180.000000000000000,90.000000000000000)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Pixel Size = (0.000000335276127,-0.000000335276127)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Image Structure Metadata:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> INTERLEAVE=PIXEL<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Corner Coordinates:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Upper Left (-180.0000000, 90.0000000) (180d 0' 0.00"W, 90d 0' 0.00"N)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Lower Left (-180.0000000, -90.0000000) (180d 0' 0.00"W, 90d 0' 0.00"S)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Upper Right ( 180.0000000, 90.0000000) (180d 0' 0.00"E, 90d 0' 0.00"N)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Lower Right ( 180.0000000, -90.0000000) (180d 0' 0.00"E, 90d 0' 0.00"S)<o:p></o:p></span></p>
<p class="MsoNormal">Center ( 0.0000000, 0.0000000) ( 0d 0' 0.01"E, 0d 0' 0.01"N)<o:p></o:p></p>
<p class="MsoNormal"><span lang="EN-US">Band 1 Block=1024x1024 Type=Byte, ColorInterp=Red<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> Overviews: 536870912x268435456, 268435456x134217728, 134217728x67108864, 67108864x33554432, 33554432x16777216, 16777216x8388608, 8388608x4194304, 4194304x2097152, 2097152x1048576, 1048576x524288, 524288x262144, 262144x131072,
131072x65536, 65536x32768, 32768x16384, 16384x8192, 8192x4096, 4096x2048, 2048x1024, 1024x512<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Debuggin in Matlab I could recover this request URL<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><a href="http://svs.gsfc.nasa.gov/cgi-bin/wms?SERVICE=WMS&LAYERS=3140_21200&CRS=CRS:84&FORMAT=image/png&TRANSPARENT=FALSE&HEIGHT=512&BGCOLOR=&REQUEST=GetMap&WIDTH=2048&BBOX=-50.2,69.11,-49.6,69.26&STYLES=&VERSION=1.3.0">http://svs.gsfc.nasa.gov/cgi-bin/wms?SERVICE=WMS&LAYERS=3140_21200&CRS=CRS:84&FORMAT=image/png&TRANSPARENT=FALSE&HEIGHT=512&BGCOLOR=&REQUEST=GetMap&WIDTH=2048&BBOX=-50.2,69.11,-49.6,69.26&STYLES=&VERSION=1.3.0</a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">that works if we past it into a browser, but<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">trying it with gdal_translate errors again, and again those huge image sizes<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">gdal_translate -of PNG "WMS:http://svs.gsfc.nasa.gov/cgi-bin/wms?SERVICE=WMS&LAYERS=3140_21200&CRS=CRS:84&FORMAT=image/png&TRANSPARENT=FALSE&HEIGHT=512&BGCOLOR=&REQUEST=GetMap&WIDTH=2048&BBOX=-50.2,69.11,-49.6,69.26&STYLES=&VERSION=1.3.0"
out.png<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Input file size is 1073741824, 268435456<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: libpng: Read Error<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: libpng: Read Error<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Warning 1: libpng: Image width exceeds user limit in IHDR<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Warning 1: libpng: Image height exceeds user limit in IHDR<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ERROR 1: libpng: Invalid IHDR data<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Joaquim<o:p></o:p></span></p>
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