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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I was playing with kernel filters in VRT and using this really applies sharpen filter on-the-fly when looking the image at native resolution with QGIS:<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"><VRTRasterBand dataType="Byte" band="1"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <ColorInterp>Red</ColorInterp><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <KernelFilteredSource><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <SourceFilename relativeToVRT="1">image.tif</SourceFilename><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <SourceBand>1</SourceBand><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <SourceProperties RasterXSize="12000" RasterYSize="12000" DataType="Byte" BlockXSize="12000" BlockYSize="1" /><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"> <Kernel normalized="0"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <Size>3</Size><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> <Coefs>0 -1 0 -1 5 -1 0 -1 0</Coefs><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> </Kernel><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> </KernelFilteredSource><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> </VRTRasterBand><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">However, filter is not applied to overviews which means that image looks different when I zoom out. Is this the intended behavior?<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">-Jukka Rahkonen-<o:p></o:p></span></p>
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