Hi all,
I'm trying to create a WMS XML to access some WMS data in GDAL. But I
get black lines in the resulting image. I have found out that if I
reduce the size of the BlockSize in the WMS XML that the lines get more
narrow, but the download speed of the images also reduces a lot. Am I
missing some setting here to make it work?
This is the XML file I use:
<GDAL_WMS>
<Service name="WMS">
<Version>1.1.1</Version>
<ServerUrl>https://gis.apfo.usda.gov/arcgis/services/NAIP/Illinois/ImageServer/WMSServer?SERVICE=WMS</ServerUrl>
<Layers>0</Layers>
<SRS>EPSG:4326</SRS>
<ImageFormat>image/tiff</ImageFormat>
<Transparent>FALSE</Transparent>
<BBoxOrder>xyXY</BBoxOrder>
</Service>
<DataWindow>
<UpperLeftX>-91.562525</UpperLeftX>
<UpperLeftY>42.562525</UpperLeftY>
<LowerRightX>-87.437470</LowerRightX>
<LowerRightY>36.937474</LowerRightY>
<SizeX>370834</SizeX>
<SizeY>625056</SizeY>
</DataWindow>
<BandsCount>4</BandsCount>
<UnsafeSSL>true</UnsafeSSL>
<BlockSizeX>1024</BlockSizeX>
<BlockSizeY>1024</BlockSizeY>
</GDAL_WMS>
And this is a sample call that shows the black lines:
gdal_translate -projwin -88.0 42.0 -87.99 41.99 wms.xml test.tif
With regards,
--
Arno
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