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<p class="MsoNormal">Hello,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Why is gdal off by one for the access window? I’m using standard utilities, no custom code. This is only happening (so far) on one file out of dozens.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">```<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New",serif">$ gdal_translate -co compress=zstd -co predictor=yes -co level=17 ^<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New",serif"> -co bigtiff=yes -of cog INFILE.rgb-nir.vrt OUTFILE.tif<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New",serif">Input file size is 31918, 34252<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New",serif">0.ERROR 5: Access window out of range in RasterIO(). Requested<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Courier New",serif">(0,0) of size 250x268 on raster of 249x267.<o:p></o:p></span></p>
<p class="MsoNormal">```<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is one step of a process where I’m taking two 3-band jpeg-in-geotiff images, defining a nodata mask, and creating a final 4-band cloud geotiff. Preceding steps to this one are:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">gdal_translate -b 1 RGB.tif b-red.vrt<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">gdal_translate -b 2 RGB.tif b-grn.vrt<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">gdal_translate -b 3 RGB.tif b-blu.vrt<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">gdal_translate -b 1 432.tif b-nir.vrt<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">gdalbuildvrt -separate INFILE.rgb-nir.vrt ^<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif"> b-red.vrt b-grn.vrt b-blu.vrt b-nir.vrt<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">gdal_translate INFILE.rgb-nir.vrt xx-to-mask.tif<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">nearblack –setmask xx-to-mask.tif<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">move xx-mask.tif.msk INFILE.rgb-nir.vrt.msk<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">del xx-mask.tif<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">gdal_translate INFILE.rgb-nir.vrt OUTFILE.tif<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">(Edited for legibility, options used are left out)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Gdalinfo reports the size of each image are the same:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">$ findstr "Size" *.gdal-info<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">RGB.b-blu.vrt.gdal-info:Size is 31918, 34252<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">RGB.b-blu.vrt.gdal-info:Pixel Size = (1.500000000000000,-1.500000000000000)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">RGB.b-grn.vrt.gdal-info:Size is 31918, 34252<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">RGB.b-grn.vrt.gdal-info:Pixel Size = (1.500000000000000,-1.500000000000000)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">RGB.b-red.vrt.gdal-info:Size is 31918, 34252<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">RGB.b-red.vrt.gdal-info:Pixel Size = (1.500000000000000,-1.500000000000000)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">432.b-nir.vrt.gdal-info:Size is 31918, 34252<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">432.b-nir.vrt.gdal-info:Pixel Size = (1.500000000000000,-1.500000000000000)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">INFILE.rgb-nir.vrt.gdal-info:Size is 31918, 34252<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">INFILE.rgb-nir.vrt.gdal-info:Pixel Size = (1.500000000000000,-1.500000000000000)<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:36.0pt"><span style="font-size:10.0pt;font-family:"Courier New",serif">INFILE.rgb-nir.vrt.msk.gdal-info:Size is 31918, 34252<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">The source VRT and gdalinfo reports are attached.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">GDAL 3.3.2, released 2021/09/01 via Qgis 3.22 on Windows 10.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="margin-top:4.0pt;line-height:115%;text-autospace:none;vertical-align:middle">
<b><span lang="EN-US" style="font-size:10.0pt;line-height:115%;mso-fareast-language:EN-CA">Matt Wilkie</span></b><span lang="EN-US" style="font-size:10.0pt;line-height:115%;mso-fareast-language:EN-CA"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;mso-fareast-language:EN-CA">Geomatics Developer & Administrator<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;mso-fareast-language:EN-CA">Environment
<span style="color:#2E74B5">|</span> Technology, Innovation and Mapping<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;mso-fareast-language:EN-CA">T 867-667-8133
<span style="color:#2E74B5">|</span> </span><u><span style="font-size:10.0pt;mso-fareast-language:EN-CA"><a href="http://yukon.ca/"><span lang="EN-US" style="color:windowtext">Yukon.ca</span></a><o:p></o:p></span></u></p>
<p class="MsoNormal"><i><span style="font-size:10.0pt;mso-fareast-language:EN-CA">Hours: 08:30-16:30, Mon-Wed: Office, Thu: Remote, Fri: Away.<o:p></o:p></span></i></p>
<p class="MsoNormal"><o:p> </o:p></p>
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