gdal_translate -of GTiff PNOA_MDT200_ETRS89_HU30_Madrid.asc PNOA_MDT200_ETRS89_HU30_Madrid.tif
gdal_translate PNOA_MDT200_ETRS89_HU30_Madrid.tif PNOA_MDT200_ETRS89_HU30_Madrid_COG.tif -of COG

gdalwarp -tr 50 -50 -r bilinear PNOA_MDT200_ETRS89_HU30_Madrid.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-bilinear.tif
gdal_translate PNOA_MDT200_ETRS89_HU30_Madrid_50-bilinear.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-bilinear_COG.tif -of COG

gdalwarp -tr 50 -50 -r cubic PNOA_MDT200_ETRS89_HU30_Madrid.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-cubic.tif
gdal_translate PNOA_MDT200_ETRS89_HU30_Madrid_50-cubic.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-cubic_COG.tif -of COG

gdalwarp -tr 50 -50 -r cubicspline PNOA_MDT200_ETRS89_HU30_Madrid.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-cubicspline.tif
gdal_translate PNOA_MDT200_ETRS89_HU30_Madrid_50-cubicspline.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-cubicspline_COG.tif -of COG

gdalwarp -tr 50 -50 -r lanczos PNOA_MDT200_ETRS89_HU30_Madrid.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-lanczos.tif
gdal_translate PNOA_MDT200_ETRS89_HU30_Madrid_50-lanczos.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-lanczos_COG.tif -of COG

gdalwarp -tr 50 -50 -r average PNOA_MDT200_ETRS89_HU30_Madrid.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-average.tif
gdal_translate PNOA_MDT200_ETRS89_HU30_Madrid_50-average.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-average_COG.tif -of COG

gdalwarp -tr 50 -50 -r mode PNOA_MDT200_ETRS89_HU30_Madrid.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-mode.tif
gdal_translate PNOA_MDT200_ETRS89_HU30_Madrid_50-mode.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-mode_COG.tif -of CO

gdalwarp -tr 50 -50 -r nearest PNOA_MDT200_ETRS89_HU30_Madrid.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-nearest.tif
gdal_translate PNOA_MDT200_ETRS89_HU30_Madrid_50-nearest.tif PNOA_MDT200_ETRS89_HU30_Madrid_50-nearest_COG.tif -of CO