<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><br><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><span style="background-color: rgba(255, 255, 255, 0);">Hi everbody,<o:p></o:p></span></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><span style="background-color: rgba(255, 255, 255, 0);"> </span></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);">I would like to calculate large geotiff files (10.000 x 10.000px) with the help of gdal2tiles in little (256x256px) tiles. The process works fine. <o:p></o:p></b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);">However, the result is not perfect. There is a slight shift in the tiles. I've already tried different resampling methods and get the same result every time.<o:p></o:p></b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);">Here is my statement: Gdal2tiles.py -s EPSG: 25832 -z 11-20 /home/input/file.tif output_path /<o:p></o:p></b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);"> </b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);">I think there might be a problem with transforming EPSG:25832 to EPSG:3857 – but if I try to transform with gdalwarp – same problem...<o:p></o:p></b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);">Could it be related to nearblack?<o:p></o:p></b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);"> </b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);">Does somebody has any idea?<o:p></o:p></b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);"> </b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);">(Image oft he pixel shift: <a href="https://i.stack.imgur.com/E7iQO.jpg">https://i.stack.imgur.com/E7iQO.jpg</a> )<o:p></o:p></b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);"> </b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);"> </b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);">Thanks a lot,<o:p></o:p></b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><b style="background-color: rgba(255, 255, 255, 0);">Nils<o:p></o:p></b></p><p class="MsoNormal" style="margin: 0cm 0cm 0.0001pt;"><span style="background-color: rgba(255, 255, 255, 0);"> </span></p></div></body></html>