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annotate gdalwarp.txt @ 8:290b0b2a584b

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Fix bug.
author David Barts <n5jrn@me.com>
date Wed, 25 Aug 2021 08:33:59 -0700
parents 45be2d1d3213
children 1944acce0e6f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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45be2d1d3213 Remove trailing whitespace, add warp notes.
David Barts <n5jrn@me.com>
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1 Gdalwarp is something of a pain. I got decent results with:
45be2d1d3213 Remove trailing whitespace, add warp notes.
David Barts <n5jrn@me.com>
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45be2d1d3213 Remove trailing whitespace, add warp notes.
David Barts <n5jrn@me.com>
parents:
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3 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
45be2d1d3213 Remove trailing whitespace, add warp notes.
David Barts <n5jrn@me.com>
parents:
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45be2d1d3213 Remove trailing whitespace, add warp notes.
David Barts <n5jrn@me.com>
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5 Note that this changed the resolution (roughly doubled it, in fact).
45be2d1d3213 Remove trailing whitespace, add warp notes.
David Barts <n5jrn@me.com>
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6 There does not seem to be a good, easy way to tell it to preserve
45be2d1d3213 Remove trailing whitespace, add warp notes.
David Barts <n5jrn@me.com>
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7 resolution. You must play with -tr. Anything higher than 1x1 is nasty
45be2d1d3213 Remove trailing whitespace, add warp notes.
David Barts <n5jrn@me.com>
parents:
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8 and coarse. Anything less gobbles disk space exponentially.