all: seatingplan.pdf seatingplan.txt

seatingplan.pdf: seatingplan.pic
	pic $< | troff -ms | dpost | \
		ps2pdf -sPAPERSIZE=a4 -dPDFSETTINGS=/prepress - $@

seatingplan.txt:
	pdftotext -layout seatingplan.pdf

seatingplan.png: seatingplan.pdf
	convert -monochrome $< $@

seatingplan.pic: persons mapping.awk
	awk -f mapping.awk <persons >$@

clean:
	rm -f seatingplan.ps seatingplan.pic

realclean: clean
	rm -f seatingplan*