Mercurial > cgi-bin > hgweb.cgi > TopoTiler
diff gdalwarp.txt @ 4:45be2d1d3213
Remove trailing whitespace, add warp notes.
author | David Barts <n5jrn@me.com> |
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date | Wed, 25 Aug 2021 06:33:31 -0700 |
parents | |
children | 1944acce0e6f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/gdalwarp.txt Wed Aug 25 06:33:31 2021 -0700 @@ -0,0 +1,8 @@ +Gdalwarp is something of a pain. I got decent results with: + +gdalwarp -r lanczos -srcnodata None -dstnodata None -multi -tr 1 1 WA_Hamilton_20200305_TM_geo.tiff WA_Twin_Sisters_Mountain_20200323_TM_geo.tiff both.tiff + +Note that this changed the resolution (roughly doubled it, in fact). +There does not seem to be a good, easy way to tell it to preserve +resolution. You must play with -tr. Anything higher than 1x1 is nasty +and coarse. Anything less gobbles disk space exponentially.