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AndreJ
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I suggest to use EPSG:3857 as CRS for the raster during the tiling process.

EPSG:900913 is not included in current GDAL and QGIS anymore, thus the special spherical mercator treatment is not applied. The proj definition for EPSG:3857 is

+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext  +no_defs

which is a bit contradictional to

SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]]

typically causing the offset of 20 to 30 km to the North.

I suggest to use EPSG:3857 as CRS for the raster during the tiling process.

EPSG:900913 is not included in current GDAL and QGIS anymore, thus the special spherical mercator treatment is not applied. The proj definition for EPSG:3857 is

+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext  +no_defs

which is a bit contradictional to

SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]]

typically causing the offset of 20 to 30 km.

I suggest to use EPSG:3857 as CRS for the raster during the tiling process.

EPSG:900913 is not included in current GDAL and QGIS anymore, thus the special spherical mercator treatment is not applied. The proj definition for EPSG:3857 is

+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext  +no_defs

which is a bit contradictional to

SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]]

typically causing the offset of 20 to 30 km to the North.

Source Link
AndreJ
  • 77.1k
  • 5
  • 88
  • 163

I suggest to use EPSG:3857 as CRS for the raster during the tiling process.

EPSG:900913 is not included in current GDAL and QGIS anymore, thus the special spherical mercator treatment is not applied. The proj definition for EPSG:3857 is

+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext  +no_defs

which is a bit contradictional to

SPHEROID["WGS 84",6378137,298.257223563,AUTHORITY["EPSG","7030"]]

typically causing the offset of 20 to 30 km.