/* -*-ePiX-*- */
#include "epix.h"
using namespace ePiX;

int main()
{
  picture(P(-1,0), P(3,2), "4 x 2in");

  begin();

  P O(0, 0), pX(xmax(), 0), pY(0, ymax()), pA(1, 0), pB(0, 1),
    pP(0.33*pA + 0.67*pB), pM(pP & E_1), pN(pP & E_2);

  bold();
  line(P(xmin(), 0), pX);
  line(O, pY);
  line(pA, pB);

  line(pP, pM);
  line(pP, pN);

  dot(pA, P(0, -4), "$A$", b);
  dot(pB, P(-4, 0), "$B$", l);

  dot(pP, P(2, 2), "$P$", tr);

  label(pX, P(0, -4), "$X$", b);
  label(O, P(0, -4), "$O$", b);
  label(pY, P(-4, 0), "$Y$", l);

  label(pM, P(0, -4), "$M$", b);
  label(pN, P(2, -4), "$N$", br);

  label(0.5*pA, P(0, -4), "$1$", b);
  label(0.5*pB, P(-4, 0), "$1$", l);

  label(0.5*(pN + pP), P(-2, 2), "$x$", t);
  label(0.5*pM, P(0, -4), "$x$", b);

  label(0.5*(pM + pP), P(2, 0), "$y$", r);
  label(0.5*pN, P(2, 0), "$y$", r);

  tikz_format();
  end();
}