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nomads-cloud: double sqrt for better clouds

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This commit is contained in:
lassulus 2020-03-23 18:47:23 +01:00
parent e2ef8aba93
commit 119b56956c
1 changed files with 2 additions and 2 deletions
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4
krebs/5pkgs/simple/nomads-cloud/default.nix
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@ -22,7 +22,7 @@ writers.writeDashBin "nomads-cloud" ''
height=$(${jq}/bin/jq '.[0].header.ny' < "$json_path")
# The maximum gray value. Must be bigger than 0 and less than 65536.
maxval=256
maxval=1000
# pgm - Netpbm grayscale image format
# http://netpbm.sourceforge.net/doc/pgm.html
@ -32,7 +32,7 @@ writers.writeDashBin "nomads-cloud" ''
echo "$maxval"
cat "$json_path" |
${jq}/bin/jq --argjson maxval "$maxval" -c '
.[0].data[] * $maxval | round
((.[0].data[] | sqrt | sqrt) * $maxval | round)
' |
${findutils}/bin/xargs -n "$width"
} > "$pgm_path"