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Write xml file OGC WMS Service compliant with MAtlab

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Lorenzo Bernardi
Lorenzo Bernardi 2015-4-24
编辑： Lorenzo Bernardi 2015-4-24
Hi all. I'm working with the OGC WMS Service and need to write an xml readable by some gdal function like gdal info and gdal_translate. I have some xml example like the following:
GDAL_WMS> name="TMS" ServerUrl>http://tile.openstreetmap.org/${z}/${x}/${y}.png</ServerUrl /Service DataWindow UpperLeftX-20037508.34</UpperLeftX> UpperLeftY>20037508.34</UpperLeftY LowerRightX>20037508.34</LowerRightX LowerRightY-20037508.34</LowerRightY> TileLevel>18</TileLevel TileCountX>1</TileCountX TileCountY>1</TileCountY YOrigin>top</YOrigin /DataWindow Projection>EPSG:3857</Projection BlockSizeX>256</BlockSizeX BlockSizeY>256</BlockSizeY BandsCount>3</BandsCount Cache/ /GDAL_WMS
I write a simple matlab program that write the following xml file: version="1.0" encoding="utf-8"? GDAL_WMS name="TMS" ServerURL>http://tile.openstreetmap.org/${z}/${x}/${y}.png</ServerURL /Service DataWindow UpperLeftX-20037508.34</UpperLeftX> UpperLeftY>20037508.34</UpperLeftY LowerRightX>20037508.34</LowerRightX LowerRightX-20037508.34</LowerRightX> TileLevel>18</TileLevel TileCountX>1</TileCountX TileCountY>1</TileCountY YOrigin>top</YOrigin /DataWindow Projection>EPSG:3857</Projection BlockSizeX>256</BlockSizeX BlockSizeY>256</BlockSizeY BandsCount>3</BandsCount /GDAL_WMS
Trying to open the two xml files with gdalinfo, the second give the error: "Your xml file not recognised as a supported file format."
Without the first line: "<?version="1.0" encoding="utf-8"?>" the xml became readable.
Can someone explain how write an xml such the first?
Thanks a lot for your help
Lorenzo

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