[Gdal-dev] Re: Resampling With GDAL

[Matt Wilkie]

Mike Richardson wrote:
> Thanks for the upgrade! [I hope this is the right way to reply to the 
> thread... new this system!]

"the right way": It's pretty much ReplyAll for stuff that adds value to 
the thread, (might be useful for those searching the archives and 
whatnot) and ReplySender for chitchat. But really it's whatever feels 
right to you.


> Another caveat: this technique does not work on paletted images. 
> True-color only.

For indexed images change the resampling to nearest neighbour (-rn) 
rather than bilinear, cubic or cubic spline (-rb, -rc, -rcs):

    gdalwarp -q -rn -ts %%a %%a !tmpFile! xx_%%a_%inFile%

Oops, I made a mistake in the NiceResample.cmd I posted earlier, 
neglecting to specify the resampling kernel at all.

cheers,

-- 
matt wilkie
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