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init dgs;
window (0.0, 0.0, 13.5, 6.5); viewport (0.0,0.0,13.5,6.5);
(*scale (1.7,1.7, 0.0,0.0);*)
(*clear pixels;*)
INT VAR i;
move (4.0, 0.0); draw (4.0, 2.0);
move (5.5, 0.0); draw (5.5, 2.0);
FOR i FROM 0 UPTO 4 REP
move (4.0, real (i) * 0.5);
draw (5.5, real (i) * 0.5)
END REP;
move (4.0, 3.0); draw (4.0, 6.0);
move (5.5, 3.0); draw (5.5, 6.0);
FOR i FROM 0 UPTO 6 REP
move (4.0, real (i) * 0.5 + 3.0);
draw (5.5, real (i) * 0.5 + 3.0)
END REP;
move (7.5, 2.0); draw (7.5, 6.0);
move (9.0, 2.0); draw (9.0, 6.0);
FOR i FROM 0 UPTO 8 REP
move (7.5, real (i) * 0.5 + 2.0);
draw (9.0, real (i) * 0.5 + 2.0)
END REP;
strichel (5.5, 6.0, 7.5, 6.0);
strichel (5.5, 3.0, 7.5, 3.0);
strichel (5.5, 1.0, 7.5, 3.0);
strichel (5.5, 0.0, 7.5, 2.0);
move (5.5, 4.75); draw (6.0, 4.75);
draw (6.0, 1.75); draw (5.5, 1.75);
move (4.0, 3.75); draw (3.5, 3.75);
draw (3.5, 1.25); draw (4.0, 1.25);
font size (0.4); font expansion (1.5);
move (0.0, 0.8); draw ("Koppeldatei");
move (0.0, 4.3); draw ("Hauptdatei");
move (10.0, 4.3); draw ("virtuelle");
move (10.0, 3.4); draw ("Datei");
font size (0.3);
move (4.5, 0.1); draw ("H2");
move (4.5, 0.6); draw ("H1");
move (4.5, 1.1); draw ("B");
move (4.5, 1.6); draw ("A");
move (4.5, 3.1); draw ("F4");
move (4.5, 3.6); draw ("B");
move (4.5, 4.1); draw ("F3");
move (4.5, 4.6); draw ("A");
move (4.5, 5.1); draw ("F2");
move (4.5, 5.6); draw ("F1");
move (8.0, 5.6); draw ("F1");
move (8.0, 5.1); draw ("F2");
move (8.0, 4.6); draw ("A");
move (8.0, 4.1); draw ("F3");
move (8.0, 3.6); draw ("B");
move (8.0, 3.1); draw ("F4");
move (8.0, 2.6); draw ("H1");
move (8.0, 2.1); draw ("H2");
PROC strichel (REAL CONST x anf, y anf, x end, y end) :
REAL VAR laenge := x end - x anf;
INT VAR teile := int (abstand/ 0.4);
REAL VAR verhaeltnis := (y end - y anf) / laenge;
laenge := laenge / (real (2 * teile + 1));
INT VAR i;
FOR i FROM 0 UPTO teile REP
move (x anf + real (i + i) * laenge,
y anf + verhaeltnis * real (i + i) * laenge);
draw (x anf + real (i + i + 1) * laenge,
y anf + verhaeltnis * real (i + i + 1) * laenge)
END REP .
abstand :
sqrt ((y end - y anf) + (y end - y anf) +
(x end - x anf) * (x end - x anf)) .
END PROC strichel;
LET myname = "abb.9-2";
save pixels (myname + ".p");
FILE VAR f := sequential file (modify, myname + ".p");
to line (f, 1); insert record (f);
write record (f, "#linefeed (0.8)#");
insert record (f); write record (f, myname);
to eof (f); insert record (f); write record (f, myname);
to line (f, 1);
(*
pause (9000);
*)
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