The error is correct. A look at the man page shows
gdal_retile.py [-v] [-co NAME=VALUE]* [-of out_format] [-ps pixelWidth
pixelHeight]
[-ot {Byte/Int16/UInt16/UInt32/Int32/Float32/Float64/
CInt16/CInt32/CFloat32/CFloat64}]'
[ -tileIndex tileIndexName [-tileIndexField
tileIndexFieldName]]
[ -csv fileName [-csvDelim delimiter]]
[-s_srs srs_def] [-pyramidOnly]
[-r {near/bilinear/cubic/cubicspline}]
-levels numberoflevels
-targetDir TileDirectory input_files
which means that -r determines the resampling method, which could be
near
bilinear
cubic
cubicspline
and has nothing to do with the data size. At the moment, I have not
implemented a parameter to change the color model (perhaps I should).
Anyway, there are other possibilities to achieve this. (rgp2pct.py as an
example).
If you have many tiles, the best idea is to write a little script. If you
are working on a linux box I could assist you.
If you have many,many tiles, use the --optFile option described here.
http://www.gdal.org/gdal_utilities.html
If you have problems, send me a mail
cheers
christian
acangi writes:
Hello,
Trying to execute this command :
gdal_retile.py -targetDir pyramid -levels 4 -v -pyramidOnly -s_srs
top50r.prj -ps 4000 4000 -r mode -co "TILED=YES" -co "INTERLEAVE=PIXEL" -co
"COMPRESS=LZW" -tileIndex pyramid -tileIndexField location *map.tif
gives the error "Unknown resampling method : mode", although it works fine
in gdaladdo.
It's gdal 1.6.0 --with-python. The data is colormapped, therefor I want to
use mode. I don't want to convert it to RGB first because of the size of the
data and I'm not the only one using it.
Shouldn't the "-r mode" option work in gdal_retile ?
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