This directory contains files pertaining to drawing support for the quadtree
assignments. The documentation is available on the homepage. The files are:

  README	This file
  drawing_c.h   C/C++ header file to be included in source files to implement
                drawing
  drawing.c     C routines to be compiled separately.
  test.pm1	an example file to test showquad and printquad. This was done
                for students implemented PM1 quadtrees
  test.mxcif    an example file to test showquad and printquad. This was done
                from an implementation of MX-CIF quadtrees.
  Makefile      build rules for showquad and printquad
  printquad.c   code for printquad
  showquad.c    code for showquad
