<div dir="ltr"><div style="font-size:12.8px">Even,</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Thanks for your response. I rechecked by results and it appears that the difference may be related to the GDAL version. I had originally been testing using gdal 1.7.3 for the gdalwarp command and gdal 2.1.1 (osgeo4w) for the gdal_translate command. If I run both command using gdal 2.1.1 the result appear the same.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Thanks</div></div><div class="gmail_extra"><br><div class="gmail_quote">On 27 October 2016 at 09:48, Even Rouault <span dir="ltr"><<a href="mailto:even.rouault@spatialys.com" target="_blank">even.rouault@spatialys.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5">Le jeudi 27 octobre 2016 15:02:11, Travis Kirstine a écrit :<br>
> I've been looking at resampling high resolution orthophoto images (0.10m)<br>
> using gdalwarp vs gdal_translate to a lower resolution<br>
><br>
> gdalwarp -co TILED=YES -srcnodata "0 0 0" -dstnodata "0 0 0" -tr 2 2 -r<br>
> bilinear in.tif warp_2m_bilinear.tif<br>
><br>
> compared to<br>
><br>
> gdal_translate -co TILED=YES -a_nodata 0 -tr 2 2 -r bilinear input.tif<br>
> translate_2m_bilinear<br>
><br>
><br>
> It appears to me that gdal_translate produces a much "better" result with<br>
> reduced aliasing. Why would the results differ?<br>
<br>
</div></div>Does gdalinfo on the output of both files report the same spatial extent ?<br>
gdalwarp and gdal_translate have different logic to compute it when not<br>
explicitly mentionned.<br>
<span class="HOEnZb"><font color="#888888"><br>
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