%.beps : %.plt
        gnuplot -e "outf=\"$@\";blackwhite=1;" $<
%.eps : %.plt
        gnuplot -e "outf=\"$@\";blackwhite=0;" $<
%.bpng : %.beps
        gs -sDEVICE=png16m -o $@ -r600 -dDEVICEWIDTHPOINTS=460 -dDEVICEHEIGHTPOINTS=352 $<
%.png : %.eps
        gs -sDEVICE=png16m -o $@ -r600 -dDEVICEWIDTHPOINTS=460 -dDEVICEHEIGHTPOINTS=352 $<
%.draw : %.png %.bpng

.PHONY: %.draw

test: test_30.draw test_70.draw test_73.draw

clean:
        rm -rf *.eps *.png *.pdf