Tiff merge

tiffMerged.js

 // https://stackoverflow.com/questions/17062219/pass-multiple-parameters-to-processbuilder-with-a-space
//  https://stackoverflow.com/questions/15384879/imagemagick-using-more-than-2gb-of-memory-to-convert-pdf-files
//  https://www.imagemagick.org/script/command-line-options.php#limit

// Set '-limit memory 0 -limit map 0'. If that fails, you'll need a larger instance of a Amazon server to run ImageMagick.

// https://legacy.imagemagick.org/discourse-server/viewtopic.php?t=23090

// https://github.com/imagemagick/imagemagick/issues/327
/* convert -background '#dfe1ff' -pointsize 40 -fill blue -gravity south \
      -size 600x60 caption:Text\
      smallerfile_7.tif +swap -gravity center -composite 1.tif
*/
let n1= [
   '0.tiff',
   '1.tiff',
   '2.tiff',
   '5.tiff',
   '6.tiff',
   '7.tiff',
   '8.tiff',
   '9.tiff',
  '10.tiff',
  '11.tiff',

]

console.log("n1", n1);
let s  = [
"-delay","10", "-loop", "0", ...n1, " animated1.tif"
 ]
 //convert -delay 10 -loop 0 $(ls -1 *.tiff | sort -V) animated.tif
let ls = spawn(`/usr/local/bin/convert`, s);


ls.stdout.on("data", data => {
    console.log(`stdout: ${data}`);
});

ls.stderr.on("data", data => {
    console.log(`stderr: ${data}`);
});

ls.on('error', (error) => {
    console.log(`error: ${error.message}`);
});

ls.on("close", code => {
    console.log(`child process exited with code ${code}`);
});