# Run the macro in fiji headlessly using Xvfb
# to avoid errors due to gui dependencies.
export DISPLAY=:1
Xvfb $DISPLAY -auth /dev/null &
(
# the ’(’ starts a new sub shell. In this sub shell we start the worker processes:
java -Xmx6000m -cp jars/ij-1.51l-SNAPSHOT.jar ij.ImageJ -headless --console \
-macro separate_nuclei.ijm \
"input=$1, output=$2, scale_factor=$3"
wait # waits until all ’program’ processes are finished
# this wait sees only the ’program’ processes, not the Xvfb process
)