xmgrace
Convert to png
Add this to the end of the xmgrace file
#Print out to @PRINT TO "/sbinlab2/tlinnet/output.png" @HARDCOPY DEVICE "PNG" @DEVICE "PNG" FONT ANTIALIASING on # Make white background transparent #@DEVICE "PNG" OP "transparent:on" @DEVICE "PNG" OP "compression:9" @PRINT
Then issue an "HARDCOPY" with xmgrace
xmgrace -hardcopy xmgracefile.agr