Imagemagick to convert the Orcalab labbooks to jpgs
convert -define pdf:use-cropbox=true -density 600 test.pdf -resize 1042 test.jpg
or a big pdf with a number of pages:
convert -define pdf:use-cropbox=true -density 600 aug04\ -\ aug13\ 2005.pdf -resize 800 image_%03d.jpg
